$68+ Cheap flights from Houston to Denver (DEN)
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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — DEN
Jul 28 — Aug 41
Round-trip
1 adult, Economy
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Find cheap flights from Houston 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 Houston to Denver Intl are usually found in February or January, booked 46 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday
Cheap flight deals from Houston to Denver
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Cheapest flights from Houston to DenverExplore the most affordable flight options available from Houston to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 28, 2026.
Explore the most affordable flight options available from Houston to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 10/87:58 pm
IAH
- DEN
Nonstop2h 43m
Frontier
Wed 10/148:50 am
DEN
- IAH
Nonstop2h 30m
Frontier
Deal found 6/24![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 6/24. 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.
Mon 8/316:30 am
IAH
- DEN
Nonstop2h 44m
Frontier
Sat 9/59:21 pm
DEN
- IAH
Nonstop2h 34m
Frontier
Deal found 6/24![Frontier logo]()
$141
This Super.com deal was found by Cheapflights users on 6/24. 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 8/66:14 pm
IAH
- DEN
Nonstop2h 49m
Frontier
Sat 8/89:06 pm
DEN
- IAH
Nonstop2h 34m
Frontier
Deal found 6/24![Frontier logo]()
$142
This Cheapflightsfares deal was found by Cheapflights users on 6/24. 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.
Wed 7/296:14 pm
IAH
- DEN
Nonstop2h 49m
Frontier
Mon 8/37:00 am
DEN
- IAH
Nonstop2h 34m
Frontier
Deal found 6/24![Frontier logo]()
$143
This Frontier deal was found by Cheapflights users on 6/24. 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.
Tue 11/36:30 am
IAH
- DEN
Nonstop2h 41m
Frontier
Thu 11/128:44 pm
DEN
- IAH
Nonstop2h 25m
Frontier
Deal found 6/24![Frontier logo]()
$144
This Cheapflightsfares deal was found by Cheapflights users on 6/25. 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 7/246:14 pm
IAH
- DEN
Nonstop2h 49m
Frontier
Sat 8/17:00 am
DEN
- IAH
Nonstop2h 34m
Frontier
Deal found 6/25![Frontier logo]()
$145
This Super.com deal was found by Cheapflights users on 6/23. 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 7/156:14 pm
IAH
- DEN
Nonstop2h 49m
Frontier
Wed 7/227:00 am
DEN
- IAH
Nonstop2h 34m
Frontier
Deal found 6/23![Frontier logo]()
$150
This Super.com deal was found by Cheapflights users on 6/25. 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.
Tue 7/146:30 am
IAH
- DEN
Nonstop2h 44m
Frontier
Tue 7/219:06 pm
DEN
- IAH
Nonstop2h 34m
Frontier
Deal found 6/25![Frontier logo]()
$151
This Frontier deal was found by Cheapflights users on 6/24. 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.
Sat 7/186:14 pm
IAH
- DEN
Nonstop2h 49m
Frontier
Tue 7/219:06 pm
DEN
- IAH
Nonstop2h 34m
Frontier
Deal found 6/24![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 7/186:14 pm
IAH
- DEN
Nonstop2h 49m
Frontier
Thu 8/67:00 am
DEN
- IAH
Nonstop2h 34m
Frontier
Deal found 6/25![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 7/186:14 pm
IAH
- DEN
Nonstop2h 49m
Frontier
Fri 8/77:00 am
DEN
- IAH
Nonstop2h 34m
Frontier
Deal found 6/25![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/306:30 am
IAH
- DEN
Nonstop2h 44m
Frontier
Fri 8/79:06 pm
DEN
- IAH
Nonstop2h 34m
Frontier
Deal found 6/23![Frontier logo]()
$157
Best flights from Houston to DenverDiscover carefully curated flight deals from Houston to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 28, 2026.
Discover carefully curated flight deals from Houston to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 28, 2026.
This Southwest deal was found by Cheapflights users on 6/24. 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 7/289:25 pm
HOU
- DEN
Nonstop2h 45m
Southwest
Sat 8/15:15 am
DEN
- HOU
Nonstop2h 25m
Southwest
Deal found 6/24![Southwest logo]()
$237
This Delta deal was found by Cheapflights users on 6/27. 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.
Wed 8/264:37 pm
IAH
- DEN
1 stop7h 25m
Delta
Tue 9/11:15 pm
DEN
- IAH
1 stop5h 53m
Delta
Deal found 6/27![Delta logo]()
$257
This United Airlines deal was found by Cheapflights users on 6/27. 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.
Thu 8/278:24 pm
IAH
- DEN
Nonstop2h 51m
United Airlines
Mon 8/316:05 pm
DEN
- IAH
Nonstop2h 36m
United Airlines
Deal found 6/27![United Airlines logo]()
$269
This Southwest deal was found by Cheapflights users on 6/28. 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.
Sat 8/225:00 pm
HOU
- DEN
Nonstop2h 45m
Southwest
Wed 8/267:50 pm
DEN
- HOU
Nonstop2h 20m
Southwest
Deal found 6/28![Southwest logo]()
$237
This Southwest deal was found by Cheapflights users on 6/26. 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.
Sat 7/259:25 pm
HOU
- DEN
Nonstop2h 45m
Southwest
Tue 7/285:00 am
DEN
- HOU
1 stop4h 45m
Southwest
Deal found 6/26![Southwest logo]()
$247
This Delta deal was found by Cheapflights users on 6/27. 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.
Tue 8/2512:12 pm
IAH
- DEN
1 stop6h 45m
Delta
Mon 8/317:05 am
DEN
- IAH
1 stop5h 32m
Delta
Deal found 6/27![Delta logo]()
$273
This Alaska Airlines deal was found by Cheapflights users on 6/23. 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 9/117:02 am
IAH
- DEN
2 stops17h 42m
Alaska Airlines
Mon 9/148:06 pm
DEN
- IAH
2 stops20h 07m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$562
This Southwest deal was found by Cheapflights users on 6/23. 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 7/213:55 pm
HOU
- DEN
1 stop4h 50m
Southwest
Thu 7/235:20 pm
DEN
- HOU
Nonstop2h 40m
Southwest
Deal found 6/23![Southwest logo]()
$260
This Delta deal was found by Cheapflights users on 6/23. 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.
Tue 12/227:50 am
IAH
- DEN
1 stop8h 19m
Delta
Mon 12/282:20 pm
DEN
- IAH
1 stop7h 28m
Delta
Deal found 6/23![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 6/23. 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 8/86:19 pm
IAH
- DEN
Nonstop2h 55m
United Airlines
Mon 8/105:00 am
DEN
- IAH
Nonstop2h 32m
United Airlines
Deal found 6/23![United Airlines logo]()
$372
This Southwest deal was found by Cheapflights users on 6/26. 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.
Mon 7/277:25 pm
HOU
- DEN
Nonstop2h 45m
Southwest
Mon 8/38:10 am
DEN
- HOU
1 stop4h 45m
Southwest
Deal found 6/26![Southwest logo]()
$281
This Southwest deal was found by Cheapflights users on 6/27. 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.
Tue 9/2212:30 pm
HOU
- DEN
1 stop5h 25m
Southwest
Sun 9/278:00 am
DEN
- HOU
1 stop4h 30m
Southwest
Deal found 6/27![Southwest logo]()
$297
This Southwest deal was found by Cheapflights users on 6/27. 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.
Fri 9/256:45 am
HOU
- DEN
Nonstop2h 25m
Southwest
Sun 9/278:45 pm
DEN
- HOU
Nonstop2h 20m
Southwest
Deal found 6/27![Southwest logo]()
$299
This United Airlines deal was found by Cheapflights users on 6/27. 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.
Wed 11/258:24 pm
IAH
- DEN
Nonstop2h 44m
United Airlines
Sun 11/295:00 am
DEN
- IAH
Nonstop2h 32m
United Airlines
Deal found 6/27![United Airlines logo]()
$444
This Delta deal was found by Cheapflights users on 6/25. 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.
Fri 7/104:51 pm
IAH
- DEN
1 stop8h 32m
Delta
Wed 7/1511:08 am
DEN
- IAH
1 stop5h 31m
Delta
Deal found 6/25![Delta logo]()
$407
This Southwest deal was found by Cheapflights users on 6/24. 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 7/183:05 pm
HOU
- DEN
1 stop5h 50m
Southwest
Mon 7/207:25 am
DEN
- HOU
Nonstop2h 25m
Southwest
Deal found 6/24![Southwest logo]()
$302
This Delta deal was found by Cheapflights users on 6/24. 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.
Mon 7/135:40 pm
IAH
- DEN
1 stop6h 47m
Delta
Fri 7/174:35 pm
DEN
- IAH
1 stop6h 22m
Delta
Deal found 6/24![Delta logo]()
$422
This Alaska Airlines deal was found by Cheapflights users on 6/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:02 am
IAH
- DEN
1 stop12h 08m
Alaska Airlines
Sat 8/291:43 pm
DEN
- IAH
2 stops22h 48m
Alaska Airlines
Deal found 6/27![Alaska Airlines logo]()
$563
This Southwest deal was found by Cheapflights users on 6/24. 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 7/158:30 am
HOU
- DEN
1 stop3h 45m
Southwest
Fri 7/176:15 am
DEN
- HOU
1 stop4h 30m
Southwest
Deal found 6/24![Southwest logo]()
$307
This United Airlines deal was found by Cheapflights users on 6/24. 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 11/2111:55 am
IAH
- DEN
1 stop4h 44m
United Airlines
Sun 11/297:45 am
DEN
- IAH
1 stop9h 45m
United Airlines
Deal found 6/24![United Airlines logo]()
$496
This Southwest deal was found by Cheapflights users on 6/25. 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 7/1710:45 pm
HOU
- DEN
Nonstop2h 35m
Southwest
Thu 7/307:25 am
DEN
- HOU
Nonstop2h 25m
Southwest
Deal found 6/25![Southwest logo]()
$309
This United Airlines deal was found by Cheapflights users on 6/25. 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.
Wed 7/225:15 am
IAH
- DEN
Nonstop2h 32m
United Airlines
Wed 7/298:28 pm
DEN
- IAH
Nonstop2h 31m
United Airlines
Deal found 6/25![United Airlines logo]()
$537
Last-minute flights from Houston to DenverDiscover last-minute flight deals from Houston to Denver. Data last updated June 28, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Denver. Data last updated June 28, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 6/25. 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.
Tue 7/146:30 am
IAH
- DEN
Nonstop2h 44m
Frontier
Thu 8/69:06 pm
DEN
- IAH
Nonstop2h 34m
Frontier
Deal found 6/25![Frontier logo]()
$144
This Super.com deal was found by Cheapflights users on 6/25. 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.
Tue 7/146:30 am
IAH
- DEN
Nonstop2h 44m
Frontier
Tue 7/219:06 pm
DEN
- IAH
Nonstop2h 34m
Frontier
Deal found 6/25![Frontier logo]()
$151
This Super.com deal was found by Cheapflights users on 6/23. 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 7/156:14 pm
IAH
- DEN
Nonstop2h 49m
Frontier
Wed 7/227:00 am
DEN
- IAH
Nonstop2h 34m
Frontier
Deal found 6/23![Frontier logo]()
$150
This Frontier deal was found by Cheapflights users on 6/24. 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.
Sat 7/186:14 pm
IAH
- DEN
Nonstop2h 49m
Frontier
Tue 7/219:06 pm
DEN
- IAH
Nonstop2h 34m
Frontier
Deal found 6/24![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 7/186:14 pm
IAH
- DEN
Nonstop2h 49m
Frontier
Thu 8/67:00 am
DEN
- IAH
Nonstop2h 34m
Frontier
Deal found 6/25![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 7/186:14 pm
IAH
- DEN
Nonstop2h 49m
Frontier
Mon 8/39:06 pm
DEN
- IAH
Nonstop2h 34m
Frontier
Deal found 6/25![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 6/23. 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.
Mon 7/2010:09 pm
IAH
- DEN
Nonstop2h 49m
Frontier
Wed 7/227:00 am
DEN
- IAH
Nonstop2h 34m
Frontier
Deal found 6/23![Frontier logo]()
$159
This Super.com deal was found by Cheapflights users on 6/25. 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 7/236:14 pm
IAH
- DEN
Nonstop2h 49m
Frontier
Thu 7/307:00 am
DEN
- IAH
Nonstop2h 34m
Frontier
Deal found 6/25![Frontier logo]()
$160
This Cheapflightsfares deal was found by Cheapflights users on 6/25. 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 7/246:14 pm
IAH
- DEN
Nonstop2h 49m
Frontier
Sat 8/17:00 am
DEN
- IAH
Nonstop2h 34m
Frontier
Deal found 6/25![Frontier logo]()
$145
This Cheapflightsfares deal was found by Cheapflights users on 6/24. 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.
Wed 7/296:14 pm
IAH
- DEN
Nonstop2h 49m
Frontier
Mon 8/37:00 am
DEN
- IAH
Nonstop2h 34m
Frontier
Deal found 6/24![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/306:30 am
IAH
- DEN
Nonstop2h 44m
Frontier
Fri 8/79:06 pm
DEN
- IAH
Nonstop2h 34m
Frontier
Deal found 6/23![Frontier logo]()
$157
This Flightnetwork deal was found by Cheapflights users on 6/25. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:14 pm
IAH
- DEN
Nonstop2h 49m
Frontier
Mon 8/109:06 pm
DEN
- IAH
Nonstop2h 34m
Frontier
Deal found 6/25![Frontier logo]()
$161
One-way flights from Houston to DenverSearch for one-way flight options from Houston to Denver. Find affordable one-way fares based on user searches. Data last updated June 28, 2026.
Search for one-way flight options from Houston to Denver. Find affordable one-way fares based on user searches. Data last updated June 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/27. 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.
Mon 9/2810:15 pm
IAH
- DEN
Nonstop2h 38m
Frontier
Deal found 6/27![Frontier logo]()
$68
This Super.com deal was found by Cheapflights users on 6/26. 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.
Thu 9/246:50 am
IAH
- DEN
Nonstop2h 41m
Frontier
Deal found 6/26![Frontier logo]()
$79
This Frontier deal was found by Cheapflights users on 6/24. 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.
Mon 8/246:30 am
IAH
- DEN
Nonstop2h 44m
Frontier
Deal found 6/24![Frontier logo]()
$80
This Cheapflightsfares deal was found by Cheapflights users on 6/24. 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 8/2111:44 am
IAH
- DEN
Nonstop2h 45m
Frontier
Deal found 6/24![Frontier logo]()
$81
This Super.com deal was found by Cheapflights users on 6/26. 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.
Fri 7/2410:09 pm
IAH
- DEN
Nonstop2h 49m
Frontier
Deal found 6/26![Frontier logo]()
$82
This Super.com deal was found by Cheapflights users on 6/23. 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 7/156:14 pm
IAH
- DEN
Nonstop2h 49m
Frontier
Deal found 6/23![Frontier logo]()
$87
This Super.com deal was found by Cheapflights users on 6/23. 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.
Tue 7/146:14 pm
IAH
- DEN
Nonstop2h 49m
Frontier
Deal found 6/23![Frontier logo]()
$88
This Frontier deal was found by Cheapflights users on 6/24. 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.
Sat 7/186:30 am
IAH
- DEN
Nonstop2h 44m
Frontier
Deal found 6/24![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
Wed 10/219:59 pm
IAH
- DEN
1 stop12h 05m
Frontier
Deal found 6/28![Frontier logo]()
$97
This Cheapflightsfares deal was found by Cheapflights users on 6/24. 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 8/257:55 pm
IAH
- DEN
1 stop8h 53m
Frontier
Deal found 6/24![Frontier logo]()
$103
This Southwest deal was found by Cheapflights users on 6/24. 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 7/229:25 pm
HOU
- DEN
Nonstop2h 45m
Southwest
Deal found 6/24![Southwest logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 8/167:11 pm
HOU
- DEN
1 stop13h 21m
Allegiant Air
Deal found 6/23![Allegiant Air logo]()
$123
Find flight deals from Houston to Denver
Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) 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 June 28, 2026.
Round-trip from | $140 (Kiwi.com) |
|---|---|
One-way from | $68 (Kiwi.com) |
Popular in | March |
Cheapest in | February |
Average price | $244 |
Cheapflights Fare Finder
Customize your flight search to find flights from Houston 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 2,558,603 searches. Data last updated June 28, 2026.
Use the filters below to find and compare flights from Houston to Denver that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HoustonDenver
HOU - DEN
HOUDEN
Houston Hobby
Tue 7/28
9:25 pm-11:10 pm
Nonstop2h 45m
Denver Intl
Sat 8/1
5:15 am-8:40 am
Nonstop2h 25m
$237
HoustonDenver
HOU - DEN
HOUDEN
Houston Hobby
Sat 8/22
5:00 pm-6:45 pm
Nonstop2h 45m
Denver Intl
Wed 8/26
7:50 pm-11:10 pm
Nonstop2h 20m
$237
HoustonDenver
HOU - DEN
HOUDEN
Houston Hobby
Sat 7/25
9:25 pm-11:10 pm
Nonstop2h 45m
Denver Intl
Tue 7/28
5:00 am-10:45 am
1 stop4h 45m
$247
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Wed 8/26
4:37 pm-11:02 pm
1 stop7h 25m
Denver Intl
Tue 9/1
1:15 pm-8:08 pm
1 stop5h 53m
$257
HoustonDenver
HOU - DEN
HOUDEN
Houston Hobby
Tue 7/21
3:55 pm-7:45 pm
1 stop4h 50m
Denver Intl
Thu 7/23
5:20 pm-9:00 pm
Nonstop2h 40m
$260
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Thu 8/27
8:24 pm-10:15 pm
Nonstop2h 51m
Denver Intl
Mon 8/31
6:05 pm-9:41 pm
Nonstop2h 36m
$269
HoustonDenver
IAH - DEN
IAHDEN
Houston George Bush Intcntl
Tue 8/25
12:12 pm-5:57 pm
1 stop6h 45m
Denver Intl
Mon 8/31
7:05 am-1:37 pm
1 stop5h 32m
$273
HoustonDenver
HOU - DEN
HOUDEN
Houston Hobby
Mon 7/27
7:25 pm-9:10 pm
Nonstop2h 45m
Denver Intl
Mon 8/3
8:10 am-1:55 pm
1 stop4h 45m
$281
HoustonDenver
HOU - DEN
HOUDEN
Houston Hobby
Tue 9/22
12:30 pm-4:55 pm
1 stop5h 25m
Denver Intl
Sun 9/27
8:00 am-1:30 pm
1 stop4h 30m
$297
Quickest round-trip
HoustonDenver
HOU - DEN
HOUDEN
Houston Hobby
Fri 9/25
6:45 am-8:10 am
Nonstop2h 25m
Denver Intl
Sun 9/27
8:45 pm-12:05 am
Nonstop2h 20m
$299
Showing 1-10 of 44 resultsSorted by cheapest first
Best time to book a flight from Houston to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from Houston with our price prediction graph.
HO1-DEN
HOU-DEN
IAH-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 Houston to Denver
HO1-DEN
HOU-DEN
IAH-DEN
What is the cheapest month to book a flight from Houston to Denver?
Currently, February is the cheapest month in which you can book a flight from Houston to Denver (average of $151). Flying from Houston to Denver in June is currently the most expensive (average of $287). 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 HOU to DEN?
Find hourly flight availability from Houston 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 June 28, 2026.
A simple way to save on the total cost of your ticket is to fly from Houston 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 at noon.
How much does it cost to fly round-trip from Houston to Denver?
How often are flights from Houston to Denver delayed?
About 16% of weekly flights between Houston and Denver have experienced delays in the past year, with the average delay time being 138 minutes.
What is the most punctual flight time for Houston 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?
Tuesday 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 Houston to Denver flights?
Over the last year, Frontier have had the lowest number of delays on this route, with just 12% of flights being delayed.
How far ahead should I book a flight from Houston to Denver?
The best time to book flights from Houston to Denver is 40 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 day to fly from Houston to Denver?
Use this chart to determine the cheapest time to fly round-trip from Houston to Denver. Price data was last updated on June 27, 2026.
Travelers seeking maximum savings on their Houston to Denver flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for Houston 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 Houston 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 June 28, 2026.
Read reviews from past customers who have flown Southwest,United Airlines, andAmerican Airlines from Houston to Denver. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Houston 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
Black Hawk
Westminster
Centennial
Lakewood
Broomfield
Golden
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Fort Morgan
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Glendale
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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Alternative routes for Houston to Denver
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Denver by adding a car rental and/or hotel reservation to your travel itinerary.
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 June 28, 2026.
Search flights from Houston to Denver by cabin class
Find flights from Houston to Denver, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Houston and Denver flights
Browse other Houston and Denver flight options. Last updated on June 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Houston to Denver
Discover the top 5 airlines that operate flights from Houston 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 2,558,603 searches. Data last updated June 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$58 | Average$170 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$172 | Average$299 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$177 | Average$339 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$186 | Average$305 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$196 | Average$472 | FlexibilityNo cancel fee | On-time71% |