$91+ Cheap flights from Chicago (CHI) to Denver (DEN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — DEN
Nov 8 — Nov 151
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to Denver with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Chicago to Denver Intl are usually found in January or February, booked 85 days in advance, depart on a Friday or Wednesday and return on a Friday
Cheap flight deals from Chicago to Denver
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Cheapest flights from Chicago to DenverExplore the most affordable flight options available from Chicago to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 9, 2026.
Explore the most affordable flight options available from Chicago to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/319:51 am -
1 stop11h 09m
Mon 11/28:55 pm -
Nonstop2h 26m
Deal found 10/8![Frontier logo]()
$162
This Cheapflightsfares deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:50 pm -
1 stop13h 32m
Tue 11/107:10 pm -
1 stop20h 57m
Deal found 10/8![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:28 pm -
2 stops17h 52m
Tue 11/38:55 pm -
Nonstop2h 26m
Deal found 10/8![Frontier logo]()
$165
This Cheapflightsfares deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:30 am -
Nonstop2h 56m
Sun 11/1510:44 pm -
1 stop29h 29m
Deal found 10/8![Frontier logo]()
$166
This Mytrip deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:30 am -
Nonstop2h 56m
Tue 11/39:12 pm -
2 stops20h 18m
Deal found 10/8![Frontier logo]()
$167
This Cheapflightsfares deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/319:51 am -
1 stop24h 22m
Tue 11/310:40 am -
1 stop11h 33m
Deal found 10/8![Frontier logo]()
$168
This Frontier deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:30 am -
Nonstop2h 56m
Mon 11/96:42 pm -
1 stop9h 31m
Deal found 10/8![Frontier logo]()
$169
This Frontier deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:50 pm -
1 stop13h 32m
Tue 11/1710:41 am -
1 stop6h 49m
Deal found 10/8![Frontier logo]()
$170
This Cheapflightsfares deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:13 pm -
1 stop13h 09m
Mon 11/28:55 pm -
Nonstop2h 26m
Deal found 10/8![Frontier logo]()
$171
This Cheapflightsfares deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:30 am -
Nonstop2h 49m
Wed 10/289:20 pm -
1 stop11h 15m
Deal found 10/6![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:50 pm -
2 stops17h 40m
Tue 11/38:55 pm -
Nonstop2h 26m
Deal found 10/8![Frontier logo]()
$173
This Super.com deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:30 am -
Nonstop2h 49m
Sat 10/248:55 pm -
Nonstop2h 29m
Deal found 10/6![Frontier logo]()
$174
Best flights from Chicago to DenverDiscover carefully curated flight deals from Chicago to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 9, 2026.
Discover carefully curated flight deals from Chicago to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 9, 2026.
This Southwest deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:25 pm -
Nonstop2h 50m
Tue 11/102:25 pm -
1 stop4h 15m
Deal found 10/8![Southwest logo]()
$195
This United Airlines deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/237:15 am -
Nonstop2h 40m
Sun 2/286:05 am -
Nonstop2h 38m
Deal found 10/5![United Airlines logo]()
$252
This Delta deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/279:50 am -
1 stop5h 13m
Sun 1/316:45 am -
1 stop4h 52m
Deal found 10/5![Delta logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:53 pm -
1 stop16h 25m
Wed 10/2810:39 am -
1 stop24h 43m
Deal found 10/4![Multiple Airlines logo]()
$358
This Southwest deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:20 am -
Nonstop2h 40m
Tue 11/32:25 pm -
1 stop4h 15m
Deal found 10/8![Southwest logo]()
$195
This Alaska Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:57 pm -
2 stops22h 42m
Sun 11/81:55 pm -
1 stop22h 22m
Deal found 10/8![Alaska Airlines logo]()
$431
This KAYAK deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:40 am -
Nonstop2h 53m
Thu 10/226:46 am -
Nonstop2h 44m
Deal found 10/6![American Airlines logo]()
$436
This Southwest deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:45 pm -
Nonstop2h 40m
Sat 11/76:35 am -
Nonstop2h 20m
Deal found 10/5![Southwest logo]()
$220
This Delta deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/712:27 pm -
1 stop4h 22m
Sun 11/156:10 am -
1 stop5h 41m
Deal found 10/6![Delta logo]()
$272
This Southwest deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2310:50 pm -
Nonstop2h 45m
Mon 12/287:25 am -
Nonstop2h 20m
Deal found 10/5![Southwest logo]()
$243
This Delta deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/510:12 am -
1 stop6h 37m
Mon 11/96:10 am -
1 stop5h 41m
Deal found 10/5![Delta logo]()
$290
This United Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/232:30 pm -
Nonstop2h 51m
Mon 10/268:25 pm -
Nonstop2h 34m
Deal found 10/8![United Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/205:55 am -
Nonstop2h 50m
Tue 11/248:55 pm -
Nonstop2h 20m
Deal found 10/5![Southwest logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates ” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:56 pm -
1 stop13h 21m
Mon 11/210:55 pm -
2 stops36h 28m
Deal found 10/7![Multiple Airlines logo]()
$390
This Delta deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/219:59 am -
1 stop7h 03m
Fri 11/276:10 am -
1 stop6h 49m
Deal found 10/8![Delta logo]()
$346
This Southwest deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/69:25 pm -
Nonstop2h 50m
Sun 11/88:10 am -
1 stop5h 00m
Deal found 10/7![Southwest logo]()
$296
This Alaska Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/156:00 am -
1 stop13h 26m
Sat 1/93:05 pm -
2 stops21h 10m
Deal found 10/8![Alaska Airlines logo]()
$440
This Kiwi.com deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:20 pm -
1 stop14h 28m
Sat 10/3110:39 am -
1 stop25h 43m
Deal found 10/6![Multiple Airlines logo]()
$404
This Southwest deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2310:50 pm -
Nonstop2h 45m
Sat 12/2610:30 am -
1 stop4h 55m
Deal found 10/8![Southwest logo]()
$298
This Alaska Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/136:00 am -
2 stops16h 28m
Wed 12/168:35 am -
1 stop9h 25m
Deal found 10/8![Alaska Airlines logo]()
$445
This Delta deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/209:50 am -
1 stop5h 13m
Sat 3/272:20 pm -
1 stop4h 22m
Deal found 10/6![Delta logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:07 pm -
1 stop10h 42m
Mon 11/210:55 pm -
2 stops36h 28m
Deal found 10/8![Multiple Airlines logo]()
$433
This Southwest deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/304:20 pm -
1 stop5h 40m
Sat 1/26:05 am -
Nonstop2h 20m
Deal found 10/6![Southwest logo]()
$302
This United Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/204:20 pm -
1 stop4h 14m
Sun 3/287:05 pm -
Nonstop2h 39m
Deal found 10/7![United Airlines logo]()
$508
This Kiwi.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:20 pm -
1 stop14h 29m
Tue 10/2710:37 pm -
1 stop13h 40m
Deal found 10/7![Multiple Airlines logo]()
$439
This Alaska Airlines deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:57 pm -
1 stop18h 00m
Tue 11/177:33 am -
2 stops28h 44m
Deal found 10/5![Alaska Airlines logo]()
$524
This Southwest deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/16:05 am -
Nonstop2h 55m
Sun 1/35:05 am -
Nonstop2h 15m
Deal found 10/8![Southwest logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:56 pm -
1 stop13h 21m
Mon 10/2610:45 pm -
2 stops37h 32m
Deal found 10/7![Multiple Airlines logo]()
$442
This Southwest deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:35 am -
1 stop5h 00m
Tue 10/275:40 pm -
Nonstop2h 20m
Deal found 10/8![Southwest logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/216:01 pm -
2 stops28h 32m
Sat 1/3010:50 pm -
1 stop12h 02m
Deal found 10/7![Multiple Airlines logo]()
$491
Last-minute flights from Chicago to DenverDiscover last-minute flight deals from Chicago to Denver. Data last updated October 9, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Denver. Data last updated October 9, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:30 am -
Nonstop2h 49m
Sat 10/248:55 pm -
Nonstop2h 29m
Deal found 10/6![Frontier logo]()
$174
This Cheapflightsfares deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:30 am -
Nonstop2h 49m
Wed 10/289:20 pm -
1 stop11h 15m
Deal found 10/6![Frontier logo]()
$172
This Cheapflightsfares deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:50 pm -
1 stop13h 32m
Tue 11/107:10 pm -
1 stop20h 57m
Deal found 10/8![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:28 pm -
2 stops17h 52m
Tue 11/38:55 pm -
Nonstop2h 26m
Deal found 10/8![Frontier logo]()
$165
This Mytrip deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:30 am -
Nonstop2h 56m
Tue 11/39:12 pm -
2 stops20h 18m
Deal found 10/8![Frontier logo]()
$167
This Cheapflightsfares deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:13 pm -
1 stop13h 09m
Mon 11/28:55 pm -
Nonstop2h 26m
Deal found 10/8![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:50 pm -
2 stops17h 40m
Tue 11/38:55 pm -
Nonstop2h 26m
Deal found 10/8![Frontier logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/319:51 am -
1 stop11h 09m
Mon 11/28:55 pm -
Nonstop2h 26m
Deal found 10/8![Frontier logo]()
$162
This Cheapflightsfares deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/319:51 am -
1 stop24h 22m
Tue 11/310:40 am -
1 stop11h 33m
Deal found 10/8![Frontier logo]()
$168
This Frontier deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:30 am -
Nonstop2h 56m
Mon 11/96:42 pm -
1 stop9h 31m
Deal found 10/8![Frontier logo]()
$169
This Cheapflightsfares deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:30 am -
Nonstop2h 56m
Sun 11/1510:44 pm -
1 stop29h 29m
Deal found 10/8![Frontier logo]()
$166
This Frontier deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:50 pm -
1 stop13h 32m
Tue 11/1710:41 am -
1 stop6h 49m
Deal found 10/8![Frontier logo]()
$170
One-way flights from Chicago to DenverSearch for one-way flight options from Chicago to Denver. Find affordable one-way fares based on user searches. Data last updated October 9, 2026.
Search for one-way flight options from Chicago to Denver. Find affordable one-way fares based on user searches. Data last updated October 9, 2026.
This Priceline deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:15 pm -
1 stop7h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Frontier logo]()
$91
This CheapOair deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:27 pm -
1 stop10h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$91
This Super.com deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2510:41 pm -
Nonstop2h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Frontier logo]()
$92
This Super.com deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3010:41 pm -
Nonstop2h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/812:28 pm -
2 stops10h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$93
This Cheapflightsfares deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/208:43 pm -
Nonstop3h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:08 am -
2 stops10h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$94
This American Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/259:05 pm -
Nonstop2h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![American Airlines logo]()
$95
This Southwest deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:55 am -
Nonstop2h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Southwest logo]()
$95
This Mytrip deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:50 pm -
2 stops21h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:16 am -
2 stops27h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$96
This FlightHub deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/710:37 pm -
1 stop8h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$97
Find flight deals from Chicago to Denver
Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $162 (Kiwi.com) |
One-way from | $91 (Priceline) |
Popular in | July |
Cheapest in | January |
Average price | $263 |
Good round-trip deal | $274 or less |
Good one-way deal | $157 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 9, 2026.
Use the filters below to find and compare flights from Chicago to Denver that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoDenver
MDW Chicago Midway - DEN Denver Intl
MDWDEN
Chicago Midway
Wed 12/30
10:50 pm-12:35 am
Nonstop2h 45m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$95
ChicagoDenver
ORD Chicago O'Hare Intl - DEN Denver Intl
ORDDEN
Chicago O'Hare Intl
Thu 12/24
10:00 pm-11:53 pm
Nonstop2h 53m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$95
ChicagoDenver
MDW Chicago Midway - DEN Denver Intl
MDWDEN
Chicago Midway
Tue 12/15
8:05 am-10:00 am
Nonstop2h 55m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$95
ChicagoDenver
ORD Chicago O'Hare Intl - DEN Denver Intl
ORDDEN
Chicago O'Hare Intl
Wed 12/30
10:00 pm-11:53 pm
Nonstop2h 53m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$95
ChicagoDenver
MDW Chicago Midway - DEN Denver Intl
MDWDEN
Chicago Midway
Wed 1/6
8:30 am-12:40 pm
1 stop5h 10m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$100
ChicagoDenver
MDW Chicago Midway - DEN Denver Intl
MDWDEN
Chicago Midway
Thu 12/17
5:55 am-7:45 am
Nonstop2h 50m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$101
ChicagoDenver
MDW Chicago Midway - DEN Denver Intl
MDWDEN
Chicago Midway
Tue 12/1
5:30 pm-11:49 pm
1 stop7h 19m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$105
ChicagoDenver
ORD Chicago O'Hare Intl - DEN Denver Intl
ORDDEN
Chicago O'Hare Intl
Sat 1/23
9:30 am-3:56 pm
1 stop7h 26m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$105
Quickest round-trip
ChicagoDenver
MDW Chicago Midway - DEN Denver Intl
MDWDEN
Chicago Midway
Thu 10/29
6:05 am-7:45 am
Nonstop2h 40m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$119
ChicagoDenver
RFD Chicago Greater Rockford - DEN Denver Intl
RFDDEN
Chicago Greater Rockford
Thu 10/29
9:40 am-12:08 pm
2 stops27h 28m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$142
Showing 1-10 of 57 resultsSorted by cheapest first
Compare providers for flights from Chicago to Denver
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Denver in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Denver flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago-Denver flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Chicago to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from Chicago with our price prediction graph.
CHI-DEN
ORD-DEN
MDW-DEN
RFD-DEN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Chicago to Denver
CHI-DEN
ORD-DEN
MDW-DEN
RFD-DEN
What is the cheapest month to book a flight from Chicago to Denver?
Currently, January is the cheapest month in which you can book a flight from Chicago to Denver (average of $214). Flying from Chicago to Denver in June is currently the most expensive (average of $312). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from CHI to DEN?
Find hourly flight availability from Chicago to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 9, 2026.
A simple way to save on the total cost of your ticket is to fly from Chicago to Denver in the evening. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight in the afternoon.
Weekly flight availability from Chicago to Denver
Explore weekly flight availability from Chicago to Denver. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated October 9, 2026.
The most flights from CHI to DEN are scheduled on a Wednesday (80 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (48 on average).
How much does it cost to fly round-trip from Chicago to Denver?
Airfare is below average for this route at the moment.
Chicago to Denver flights typically cost between $191 and $343 in October.The cheapest round-trip price found within the last 5 days was $162 on Frontier (Oct 31-Nov 2).
How often are flights from Chicago to Denver delayed?
About 20% of weekly flights between Chicago and Denver have experienced delays in the past year, with the average delay time being 146 minutes.
What is the most punctual flight time for Chicago to Denver flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Chicago to Denver flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 16% of flights being delayed.
How far ahead should I book a flight from Chicago to Denver?
The price you pay for your flight from Chicago to Denver may vary depending on when you book. For the best chance of a lower fare, look to book 84 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest day to fly from Chicago to Denver?
Use this chart to determine the cheapest time to fly round-trip from Chicago to Denver. Price data was last updated on October 3, 2026.
Travelers seeking maximum savings on their Chicago to Denver flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for Chicago to Denver flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago to Denver trip
Our travel experts
Reviews of airlines servicing Denver
Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated October 9, 2026.
Peruse reviews from past customers who have flown with Southwest,United Airlines, andJetBlue from Chicago to Denver to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.4
Overall
7.9
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.4
Overall
7.9
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.4
Overall
7.9
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.4
Overall
7.9
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.4
Overall
7.9
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.4
Overall
7.9
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Chicago to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsThornton
Westminster
Lakewood
Centennial
Black Hawk
Broomfield
Golden
Wheat Ridge
Silverthorne
Central City
Fort Morgan
Greeley
Frisco
Winter Park
Limon
Englewood
Manitou Springs
Glendale
Cripple Creek
Evergreen
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Complete your trip
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Other flights to Denver
Explore flights to Denver departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 9, 2026.
Search flights from Chicago to Denver by cabin class
Find flights from Chicago to Denver, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Chicago and Denver flights
Browse other Chicago and Denver flight options. Last updated on October 9, 2026.
Other flights from Chicago
Browse through other flights departing from Chicago. Flights are based on user searches made on Cheapflights and were last updated on October 9, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Chicago to Denver
Discover the top 6 airlines that operate flights from Chicago to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$71 | Average$188 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$105 | Average$358 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$145 | Average$223 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$156 | Average$323 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$178 | Average$323 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$187 | Average$324 | FlexibilityNo cancel fee | On-time63% |