$92+ Cheap flights from Chicago (CHI) to Colorado
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — DEN
maj 31 — jun 71
Round-trip
1 adult, Economy
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Cheapest flights from Chicago to ColoradoExplore the most affordable flight options available from Chicago to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on maj 1, 2026.
Explore the most affordable flight options available from Chicago to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on maj 1, 2026.
This Frontier deal was found by Cheapflights users on 4/26. 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.
tors 5/141:59 pm
ORD
- DEN
1 stop9h 25m
Frontier
tis 5/194:54 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Deal found 4/26![Frontier logo]()
$164
This Super.com deal was found by Cheapflights users on 4/26. 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.
fre 5/229:37 pm
ORD
- DEN
Nonstop3h 07m
Frontier
fre 5/294:54 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Deal found 4/26![Frontier logo]()
$165
This Super.com deal was found by Cheapflights users on 4/29. 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.
tors 5/1412:19 pm
MDW
- DEN
1 stop11h 05m
Frontier
tis 5/197:00 am
DEN
- MDW
1 stop6h 12m
Frontier
Deal found 4/29![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
tis 6/99:48 pm
ORD
- DEN
Nonstop3h 06m
Frontier
mån 6/155:05 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Deal found 4/27![Frontier logo]()
$166
This Frontier deal was found by Cheapflights users on 4/30. 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.
tors 8/139:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
mån 8/1711:46 pm
DEN
- ORD
1 stop7h 17m
Frontier
Deal found 4/30![Frontier logo]()
$167
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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.
lör 5/309:37 pm
ORD
- DEN
Nonstop3h 07m
Frontier
mån 6/19:06 pm
DEN
- ORD
1 stop24h 55m
Frontier
Deal found 4/30![Frontier logo]()
$168
This Frontier deal was found by Cheapflights users on 4/29. 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.
tis 6/912:38 pm
ORD
- DEN
1 stop5h 59m
Frontier
fre 6/125:05 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Deal found 4/29![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
ons 7/89:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
lör 7/117:26 pm
DEN
- ORD
1 stop9h 02m
Frontier
Deal found 4/28![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
tis 6/1612:27 pm
MDW
- DEN
1 stop10h 49m
Frontier
tis 6/2311:46 pm
DEN
- MDW
1 stop10h 23m
Frontier
Deal found 4/30![Frontier logo]()
$171
This Super.com deal was found by Cheapflights users on 4/30. 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.
ons 5/209:37 pm
ORD
- DEN
Nonstop3h 07m
Frontier
fre 5/224:54 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Deal found 4/30![Frontier logo]()
$171
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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.
tors 6/117:20 am
ORD
- DEN
1 stop18h 28m
Frontier
lör 6/135:05 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Deal found 4/30![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
tors 6/114:10 pm
MDW
- DEN
1 stop7h 51m
Frontier
tis 6/2311:46 pm
DEN
- MDW
1 stop10h 23m
Frontier
Deal found 4/29![Frontier logo]()
$173
Best flights from Chicago to ColoradoDiscover carefully curated flight deals from Chicago to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated maj 1, 2026.
Discover carefully curated flight deals from Chicago to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated maj 1, 2026.
This Southwest deal was found by Cheapflights users on 4/26. 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.
ons 6/105:30 am
MDW
- DEN
Nonstop2h 35m
Southwest
ons 6/176:15 am
DEN
- MDW
Nonstop2h 25m
Southwest
Deal found 4/26![Southwest logo]()
$201
This United Airlines deal was found by Cheapflights users on 4/29. 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.
ons 6/245:00 am
ORD
- DEN
Nonstop2h 41m
United Airlines
sön 6/289:05 pm
DEN
- ORD
Nonstop2h 39m
United Airlines
Deal found 4/29![United Airlines logo]()
$233
This Delta deal was found by Cheapflights users on 4/29. 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.
mån 5/257:13 pm
MDW
- DEN
1 stop5h 28m
Delta
fre 5/2912:55 am
DEN
- MDW
1 stop6h 48m
Delta
Deal found 4/29![Delta logo]()
$241
This American Airlines deal was found by Cheapflights users on 4/27. 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.
tis 5/125:00 am
ORD
- GJT
1 stop7h 16m
American Airlines
lör 5/164:58 pm
GJT
- ORD
1 stop5h 50m
American Airlines
Deal found 4/27![American Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 4/28. 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.
ons 6/38:50 pm
MDW
- DEN
Nonstop2h 45m
Southwest
ons 6/108:05 am
DEN
- MDW
1 stop4h 45m
Southwest
Deal found 4/28![Southwest logo]()
$221
This Southwest deal was found by Cheapflights users on 4/30. 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.
tors 6/49:25 pm
MDW
- DEN
Nonstop2h 40m
Southwest
ons 6/1010:15 am
DEN
- MDW
1 stop5h 35m
Southwest
Deal found 4/30![Southwest logo]()
$231
This United Airlines deal was found by Cheapflights users on 4/28. 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.
tis 7/79:50 pm
ORD
- DEN
Nonstop2h 59m
United Airlines
lör 7/114:20 pm
DEN
- ORD
Nonstop2h 45m
United Airlines
Deal found 4/28![United Airlines logo]()
$255
This Delta deal was found by Cheapflights users on 4/28. 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.
mån 7/65:57 pm
ORD
- DEN
1 stop6h 39m
Delta
ons 7/87:15 am
DEN
- ORD
1 stop5h 59m
Delta
Deal found 4/28![Delta logo]()
$275
This United Airlines deal was found by Cheapflights users on 4/29. 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.
lör 6/277:58 pm
ORD
- DEN
Nonstop3h 01m
United Airlines
sön 6/289:05 pm
DEN
- ORD
Nonstop2h 39m
United Airlines
Deal found 4/29![United Airlines logo]()
$265
This Southwest deal was found by Cheapflights users on 4/28. 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.
ons 7/155:30 am
MDW
- DEN
Nonstop2h 35m
Southwest
ons 7/228:10 am
DEN
- MDW
1 stop5h 25m
Southwest
Deal found 4/28![Southwest logo]()
$255
This Southwest deal was found by Cheapflights users on 4/27. 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.
ons 5/1312:35 pm
MDW
- DEN
Nonstop2h 35m
Southwest
tis 5/196:35 am
DEN
- MDW
Nonstop2h 20m
Southwest
Deal found 4/27![Southwest logo]()
$259
This United Airlines deal was found by Cheapflights users on 4/26. 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.
tis 6/27:05 am
ORD
- HDN
1 stop6h 19m
United Airlines
tors 12/2412:45 pm
HDN
- ORD
Nonstop3h 01m
United Airlines
Deal found 4/26![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 4/29. 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.
ons 6/311:09 am
ORD
- COS
2 stops11h 18m
Delta
tis 7/711:10 am
COS
- ORD
1 stop4h 49m
Delta
Deal found 4/29![Delta logo]()
$336
This Southwest deal was found by Cheapflights users on 4/27. 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.
mån 6/16:00 am
MDW
- DEN
Nonstop2h 40m
Southwest
lör 6/1312:05 pm
DEN
- MDW
1 stop3h 55m
Southwest
Deal found 4/27![Southwest logo]()
$259
This United Airlines deal was found by Cheapflights users on 4/28. 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.
fre 7/105:00 am
ORD
- GJT
1 stop4h 53m
United Airlines
sön 7/126:10 pm
GJT
- ORD
1 stop5h 34m
United Airlines
Deal found 4/28![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 4/26. 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.
ons 6/101:21 pm
MDW
- COS
2 stops10h 21m
Delta
mån 6/158:14 am
COS
- MDW
2 stops9h 04m
Delta
Deal found 4/26![Delta logo]()
$342
This Southwest deal was found by Cheapflights users on 4/26. 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.
tis 5/196:50 pm
MDW
- DEN
1 stop6h 15m
Southwest
tors 5/288:20 pm
DEN
- MDW
Nonstop2h 20m
Southwest
Deal found 4/26![Southwest logo]()
$261
This Southwest deal was found by Cheapflights users on 4/29. 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.
fre 7/175:15 am
MDW
- DEN
Nonstop2h 35m
Southwest
ons 7/2212:20 pm
DEN
- MDW
1 stop3h 45m
Southwest
Deal found 4/29![Southwest logo]()
$261
This Delta deal was found by Cheapflights users on 4/29. 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.
lör 5/165:00 pm
ORD
- GJT
1 stop6h 00m
Delta
lör 5/237:40 am
GJT
- ORD
2 stops7h 49m
Delta
Deal found 4/29![Delta logo]()
$364
This United Airlines deal was found by Cheapflights users on 4/27. 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.
ons 7/85:00 am
ORD
- DRO
1 stop5h 33m
United Airlines
mån 7/136:05 pm
DRO
- ORD
1 stop5h 39m
United Airlines
Deal found 4/27![United Airlines logo]()
$352
This Southwest deal was found by Cheapflights users on 4/27. 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.
ons 7/229:05 pm
MDW
- DEN
Nonstop2h 45m
Southwest
mån 7/276:25 pm
DEN
- MDW
1 stop4h 50m
Southwest
Deal found 4/27![Southwest logo]()
$265
This Delta deal was found by Cheapflights users on 4/27. 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.
tors 7/238:27 am
ORD
- GJT
2 stops10h 50m
Delta
mån 7/277:41 am
GJT
- ORD
2 stops7h 42m
Delta
Deal found 4/27![Delta logo]()
$370
This Southwest deal was found by Cheapflights users on 4/28. 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.
lör 5/3010:15 am
MDW
- DEN
1 stop5h 25m
Southwest
tis 6/211:00 am
DEN
- MDW
2 stops5h 10m
Southwest
Deal found 4/28![Southwest logo]()
$271
This United Airlines deal was found by Cheapflights users on 4/30. 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.
ons 7/295:00 am
ORD
- COS
1 stop4h 41m
United Airlines
ons 8/55:44 am
COS
- ORD
Nonstop3h 01m
United Airlines
Deal found 4/30![United Airlines logo]()
$361
This Delta deal was found by Cheapflights users on 4/30. 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.
sön 5/313:47 pm
ORD
- COS
2 stops7h 35m
Delta
tis 7/2811:10 am
COS
- ORD
1 stop7h 20m
Delta
Deal found 4/30![Delta logo]()
$376
This United Airlines deal was found by Cheapflights users on 4/30. 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.
tors 6/255:00 am
ORD
- COS
1 stop4h 41m
United Airlines
sön 6/285:44 am
COS
- ORD
Nonstop3h 01m
United Airlines
Deal found 4/30![United Airlines logo]()
$361
This Southwest deal was found by Cheapflights users on 4/30. 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.
lör 5/161:55 pm
MDW
- DEN
Nonstop2h 40m
Southwest
lör 5/2311:40 am
DEN
- MDW
1 stop4h 35m
Southwest
Deal found 4/30![Southwest logo]()
$275
This Delta deal was found by Cheapflights users on 5/1. 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.
tis 7/73:22 pm
ORD
- COS
1 stop6h 45m
Delta
tis 7/1411:10 am
COS
- ORD
2 stops11h 43m
Delta
Deal found 5/1![Delta logo]()
$376
This United Airlines deal was found by Cheapflights users on 4/26. 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.
fre 5/298:03 pm
ORD
- COS
1 stop4h 56m
United Airlines
sön 5/319:00 am
COS
- ORD
Nonstop3h 03m
United Airlines
Deal found 4/26![United Airlines logo]()
$361
This Delta deal was found by Cheapflights users on 4/27. 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.
ons 7/221:49 pm
MDW
- COS
2 stops9h 52m
Delta
lör 7/2511:10 am
COS
- MDW
1 stop5h 42m
Delta
Deal found 4/27![Delta logo]()
$376
Last-minute flights from Chicago to ColoradoDiscover last-minute flight deals from Chicago to Colorado. Data last updated maj 1, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Colorado. Data last updated maj 1, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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.
ons 5/69:37 pm
ORD
- DEN
Nonstop3h 07m
Frontier
lör 5/911:54 pm
DEN
- ORD
1 stop7h 01m
Frontier
Deal found 4/30![Frontier logo]()
$174
This Cheapflightsfares deal was found by Cheapflights users on 4/27. 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.
fre 5/89:37 pm
ORD
- DEN
Nonstop3h 07m
Frontier
mån 5/114:54 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Deal found 4/27![Frontier logo]()
$173
This Frontier deal was found by Cheapflights users on 4/26. 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.
tors 5/141:59 pm
ORD
- DEN
1 stop9h 25m
Frontier
tis 5/194:54 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Deal found 4/26![Frontier logo]()
$164
This Super.com deal was found by Cheapflights users on 4/29. 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.
tors 5/1412:19 pm
MDW
- DEN
1 stop11h 05m
Frontier
tis 5/197:00 am
DEN
- MDW
1 stop6h 12m
Frontier
Deal found 4/29![Frontier logo]()
$166
This Cheapflightsfares deal was found by Cheapflights users on 4/26. 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.
lör 5/169:37 pm
ORD
- DEN
Nonstop3h 07m
Frontier
lör 5/234:54 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Deal found 4/26![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
tis 5/199:37 pm
ORD
- DEN
Nonstop3h 07m
Multiple Airlines
ons 5/205:05 am
DEN
- ORD
2 stops8h 00m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$170
This Super.com deal was found by Cheapflights users on 4/30. 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.
ons 5/209:37 pm
ORD
- DEN
Nonstop3h 07m
Frontier
fre 5/224:54 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Deal found 4/30![Frontier logo]()
$171
This Frontier deal was found by Cheapflights users on 4/26. 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.
tors 5/219:37 pm
ORD
- DEN
Nonstop3h 07m
Frontier
ons 5/274:54 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Deal found 4/26![Frontier logo]()
$166
This Super.com deal was found by Cheapflights users on 4/26. 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.
fre 5/229:37 pm
ORD
- DEN
Nonstop3h 07m
Frontier
fre 5/294:54 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Deal found 4/26![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
tis 5/264:05 pm
ORD
- DEN
1 stop8h 53m
Frontier
lör 5/302:00 pm
DEN
- ORD
1 stop15h 34m
Frontier
Deal found 4/27![Frontier logo]()
$167
This Frontier deal was found by Cheapflights users on 4/28. 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.
tis 5/269:37 pm
ORD
- DEN
Nonstop3h 07m
Frontier
tors 5/286:30 am
DEN
- ORD
1 stop12h 11m
Frontier
Deal found 4/28![Frontier logo]()
$169
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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.
lör 5/309:37 pm
ORD
- DEN
Nonstop3h 07m
Frontier
mån 6/19:06 pm
DEN
- ORD
1 stop24h 55m
Frontier
Deal found 4/30![Frontier logo]()
$168
One-way flights from Chicago to ColoradoSearch for one-way flight options from Chicago to Colorado. Find affordable one-way fares based on user searches. Data last updated maj 1, 2026.
Search for one-way flight options from Chicago to Colorado. Find affordable one-way fares based on user searches. Data last updated maj 1, 2026.
This Trip.com deal was found by Cheapflights users on 4/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 5/126:00 am
MDW
- DEN
1 stop9h 04m
Frontier
Deal found 4/27![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
tis 6/231:29 pm
ORD
- DEN
1 stop9h 47m
Frontier
Deal found 4/30![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
ons 6/312:04 pm
MDW
- DEN
1 stop11h 20m
Frontier
Deal found 4/29![Frontier logo]()
$93
This Cheapflightsfares deal was found by Cheapflights users on 4/28. 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.
tors 5/149:37 pm
ORD
- DEN
Nonstop3h 07m
Frontier
Deal found 4/28![Frontier logo]()
$94
This Super.com deal was found by Cheapflights users on 4/30. 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.
ons 6/246:00 am
MDW
- DEN
1 stop8h 59m
Frontier
Deal found 4/30![Frontier logo]()
$94
This Frontier deal was found by Cheapflights users on 4/30. 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.
tis 5/261:50 pm
ORD
- DEN
1 stop9h 34m
Frontier
Deal found 4/30![Frontier logo]()
$95
This Super.com deal was found by Cheapflights users on 4/30. 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.
ons 5/1312:04 pm
MDW
- DEN
1 stop11h 20m
Frontier
Deal found 4/30![Frontier logo]()
$95
This Mytrip deal was found by Cheapflights users on 4/30. 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.
lör 5/169:00 am
ORD
- DEN
1 stop11h 42m
Frontier
Deal found 4/30![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
fre 7/249:57 pm
ORD
- DEN
Nonstop3h 00m
Frontier
Deal found 4/28![Frontier logo]()
$97
This Trip.com deal was found by Cheapflights users on 4/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fre 5/1512:04 pm
MDW
- DEN
1 stop11h 20m
Frontier
Deal found 4/28![Frontier logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
ons 5/276:55 am
ORD
- DEN
1 stop8h 09m
Frontier
Deal found 4/27![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
fre 6/53:07 pm
MDW
- DEN
1 stop20h 18m
Frontier
Deal found 4/27![Frontier logo]()
$98
Find flight deals from Chicago to Colorado
Keep the following information in mind while searching for Chicago to Colorado flight deals. Data was last updated maj 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $164 (Frontier) |
One-way from | $92 (Trip.com) |
Popular in | March |
Cheapest in | September |
Average price | $228 |
Good round-trip deal | $224 or less |
Good one-way deal | $133 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago to Colorado 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 2,558,603 searches. Data last updated maj 1, 2026.
Use the filters below to find and compare flights from Chicago to Colorado that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
ons 6/10
5:30 am-7:05 am
Nonstop2h 35m
Denver Intl
ons 6/17
6:15 am-9:40 am
Nonstop2h 25m
$201
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
ons 6/3
8:50 pm-10:35 pm
Nonstop2h 45m
Denver Intl
ons 6/10
8:05 am-1:50 pm
1 stop4h 45m
$221
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
tors 6/4
9:25 pm-11:05 pm
Nonstop2h 40m
Denver Intl
ons 6/10
10:15 am-4:50 pm
1 stop5h 35m
$231
ChicagoDenver
ORD - DEN
ORDDEN
Chicago O'Hare Intl
ons 6/24
5:00 am-6:41 am
Nonstop2h 41m
Denver Intl
sön 6/28
9:05 pm-12:44 am
Nonstop2h 39m
$233
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
mån 5/25
7:13 pm-11:41 pm
1 stop5h 28m
Denver Intl
fre 5/29
12:55 am-8:43 am
1 stop6h 48m
$241
ChicagoDenver
ORD - DEN
ORDDEN
Chicago O'Hare Intl
tis 7/7
9:50 pm-11:49 pm
Nonstop2h 59m
Denver Intl
lör 7/11
4:20 pm-8:05 pm
Nonstop2h 45m
$255
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
ons 7/15
5:30 am-7:05 am
Nonstop2h 35m
Denver Intl
ons 7/22
8:10 am-2:35 pm
1 stop5h 25m
$255
Quickest round-trip
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
ons 5/13
12:35 pm-2:10 pm
Nonstop2h 35m
Denver Intl
tis 5/19
6:35 am-9:55 am
Nonstop2h 20m
$259
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
mån 6/1
6:00 am-7:40 am
Nonstop2h 40m
Denver Intl
lör 6/13
12:05 pm-5:00 pm
1 stop3h 55m
$259
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
tis 5/19
6:50 pm-12:05 am
1 stop6h 15m
Denver Intl
tors 5/28
8:20 pm-11:40 pm
Nonstop2h 20m
$261
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Chicago to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from Chicago with our price prediction graph.
MDW-DEN
ORD-DEN
ORD-GJT
ORD-HDN
ORD-COS
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 Colorado
CHI-USCO
MDW-DEN
ORD-DEN
ORD-GJT
ORD-HDN
How far ahead should I book a flight from Chicago to Colorado?
The best time to book flights from Chicago to Colorado is 84 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Chicago to Colorado?
Currently, October is the cheapest month in which you can book a flight from Chicago to Colorado (average of $170). Flying from Chicago to Colorado in March is currently the most expensive (average of $331). 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 CO?
Find hourly flight availability from Chicago to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated maj 1, 2026.
It’s typically best to fly out from Chicago to Colorado at noon. Doing so could potentially save you 17% on the flight price compared to flying in the evening, which is usually more expensive.
What is the cheapest day to fly from Chicago to Colorado?
Use this chart to determine the cheapest time to fly round-trip from Chicago to Colorado. Price data was last updated on April 25, 2026.
Travelers seeking maximum savings on their Chicago to Colorado 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.
Weekly flight availability from Chicago to Colorado
Explore weekly flight availability from Chicago to Colorado. 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 maj 1, 2026.
The most flights from CHI to USCO are scheduled on a Friday (73 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (41 on average).
How much does it cost to fly round-trip from Chicago to Colorado?
Reviews of airlines servicing Colorado
Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated maj 1, 2026.
Get a feel of what it's like to fly with Southwest,United Airlines, andJetBlue from Chicago to Colorado by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
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 Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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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Alternative routes for Chicago to Colorado
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Colorado by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Chicago to Colorado by cabin class
Find flights from Chicago to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Chicago and Colorado flights
Browse other Chicago and Colorado flight options. Last updated on maj 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Chicago to Colorado flights
Consider these flights traveling from Chicago to Colorado.
Top 5 airlines flying from Chicago to Colorado
Discover the top 5 airlines that operate flights from Chicago to Colorado. 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 2,558,603 searches. Data last updated maj 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$167 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$145 | Average$223 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$151 | Average$312 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$152 | Average$364 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$160 | Average$410 | FlexibilityNo cancel fee | On-time69% |