$75+ Cheap flights from George Bush Intcntl (IAH) 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — DEN
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from George Bush Intcntl 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 George Bush Intcntl to Denver Intl are usually found in April or February, booked 67 days in advance, depart on a Thursday or Tuesday and return on a Friday
Cheap flight deals from George Bush Intcntl to Denver
Cheapest
Best
Last-minute
One-way
Cheapest flights from George Bush Intcntl to DenverExplore the most affordable flight options available from George Bush Intcntl to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
Explore the most affordable flight options available from George Bush Intcntl to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
This deal was found by Cheapflights users on 9/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:25 am -
Nonstop2h 40m
Sat 9/196:09 am -
Nonstop2h 26m
Deal found 9/3![Frontier logo]()
$75
This deal was found by Cheapflights users on 9/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:25 am -
Nonstop2h 40m
Sat 9/196:09 am -
Nonstop2h 26m
Deal found 9/3![Frontier logo]()
$76
This Cheapflightsfares deal was found by Cheapflights users on 9/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:43 pm -
Nonstop2h 39m
Wed 11/46:10 am -
Nonstop2h 42m
Deal found 9/4![Frontier logo]()
$106
This Frontier deal was found by Cheapflights users on 9/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:25 am -
Nonstop2h 40m
Fri 10/169:12 pm -
Nonstop2h 28m
Deal found 9/6![Frontier logo]()
$108
This Cheapflightsfares deal was found by Cheapflights users on 9/6. 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.
Thu 10/2910:40 pm -
Nonstop2h 43m
Tue 11/36:10 am -
Nonstop2h 42m
Deal found 9/6![Frontier logo]()
$111
This Frontier deal was found by Cheapflights users on 9/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:43 pm -
Nonstop2h 39m
Tue 12/87:10 am -
Nonstop2h 30m
Deal found 9/4![Frontier logo]()
$113
This Frontier deal was found by Cheapflights users on 9/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:30 am -
Nonstop2h 40m
Tue 10/69:16 pm -
Nonstop2h 27m
Deal found 9/5![Frontier logo]()
$118
This Frontier deal was found by Cheapflights users on 9/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1010:31 am -
Nonstop2h 41m
Fri 10/169:12 pm -
Nonstop2h 28m
Deal found 9/4![Frontier logo]()
$123
This Frontier deal was found by Cheapflights users on 9/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:25 am -
Nonstop2h 40m
Sat 10/36:09 am -
Nonstop2h 26m
Deal found 9/5![Frontier logo]()
$128
This Frontier deal was found by Cheapflights users on 9/2. 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 10/1710:40 pm -
Nonstop2h 38m
Sun 10/186:57 pm -
1 stop11h 22m
Deal found 9/2![Frontier logo]()
$129
This Frontier deal was found by Cheapflights users on 9/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2310:59 pm -
Nonstop2h 43m
Thu 11/266:00 am -
Nonstop2h 42m
Deal found 9/5![Frontier logo]()
$130
Best flights from George Bush Intcntl to DenverDiscover carefully curated flight deals from George Bush Intcntl to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from George Bush Intcntl to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This Delta deal was found by Cheapflights users on 9/6. 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.
Mon 11/166:19 pm -
1 stop6h 15m
Fri 11/2010:45 am -
1 stop5h 40m
Deal found 9/6![Delta logo]()
$341
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/266:17 pm -
Nonstop2h 51m
Wed 9/307:33 pm -
Nonstop2h 26m
Deal found 9/7![United Airlines logo]()
$383
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:17 pm -
2 stops20h 51m
Fri 10/305:57 pm -
2 stops18h 55m
Deal found 9/6![Alaska Airlines logo]()
$566
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Mon 10/55:15 am -
Nonstop2h 32m
Wed 10/76:10 pm -
Nonstop2h 36m
Deal found 9/5![United Airlines logo]()
$401
This United Airlines deal was found by Cheapflights users on 9/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/612:34 pm -
Nonstop2h 40m
Fri 10/166:10 pm -
Nonstop2h 36m
Deal found 9/6![United Airlines logo]()
$401
This Alaska Airlines deal was found by Cheapflights users on 9/3. 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 9/307:02 am -
2 stops15h 11m
Mon 10/56:55 pm -
1 stop17h 57m
Deal found 9/3![Alaska Airlines logo]()
$588
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:17 pm -
2 stops17h 45m
Tue 10/135:57 pm -
1 stop29h 02m
Deal found 9/7![Alaska Airlines logo]()
$593
This Alaska Airlines deal was found by Cheapflights users on 9/3. 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.
Mon 9/282:34 pm -
2 stops21h 18m
Thu 10/16:20 am -
2 stops16h 39m
Deal found 9/3![Alaska Airlines logo]()
$616
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Thu 10/15:15 am -
Nonstop2h 32m
Fri 10/96:10 pm -
Nonstop2h 35m
Deal found 9/5![United Airlines logo]()
$625
This Alaska Airlines deal was found by Cheapflights users on 9/2. 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 10/256:17 pm -
1 stop28h 19m
Wed 10/2812:31 pm -
2 stops24h 21m
Deal found 9/2![Alaska Airlines logo]()
$618
This Alaska Airlines deal was found by Cheapflights users on 9/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:17 pm -
2 stops23h 42m
Tue 11/38:20 am -
2 stops28h 04m
Deal found 9/4![Alaska Airlines logo]()
$624
Last-minute flights from George Bush Intcntl to DenverDiscover last-minute flight deals from George Bush Intcntl to Denver. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from George Bush Intcntl to Denver. Data last updated September 7, 2026 and is based on user searches.
This deal was found by Cheapflights users on 9/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:25 am -
Nonstop2h 40m
Sat 9/196:09 am -
Nonstop2h 26m
Deal found 9/3![Frontier logo]()
$75
This deal was found by Cheapflights users on 9/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:25 am -
Nonstop2h 40m
Sat 9/196:09 am -
Nonstop2h 26m
Deal found 9/3![Frontier logo]()
$76
This Frontier deal was found by Cheapflights users on 9/3. 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.
Wed 9/306:25 am -
Nonstop2h 40m
Tue 10/66:09 am -
Nonstop2h 26m
Deal found 9/3![Frontier logo]()
$118
This Frontier deal was found by Cheapflights users on 9/3. 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.
Wed 9/3010:30 am -
Nonstop2h 40m
Sat 10/39:16 pm -
Nonstop2h 27m
Deal found 9/3![Frontier logo]()
$128
This Cheapflightsfares deal was found by Cheapflights users on 9/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/610:30 am -
Nonstop2h 40m
Fri 10/169:12 pm -
Nonstop2h 28m
Deal found 9/7![Frontier logo]()
$106
This Frontier deal was found by Cheapflights users on 9/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1010:31 am -
Nonstop2h 41m
Fri 10/169:12 pm -
Nonstop2h 28m
Deal found 9/4![Frontier logo]()
$123
This Frontier deal was found by Cheapflights users on 9/2. 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 10/1710:40 pm -
Nonstop2h 38m
Sun 10/186:57 pm -
1 stop11h 22m
Deal found 9/2![Frontier logo]()
$129
This Cheapflightsfares deal was found by Cheapflights users on 9/3. 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 10/2510:31 am -
Nonstop2h 41m
Wed 10/289:12 pm -
Nonstop2h 30m
Deal found 9/3![Frontier logo]()
$131
This Cheapflightsfares deal was found by Cheapflights users on 9/6. 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.
Thu 10/2910:40 pm -
Nonstop2h 43m
Tue 11/36:10 am -
Nonstop2h 42m
Deal found 9/6![Frontier logo]()
$111
One-way flights from George Bush Intcntl to DenverSearch for one-way flight options from George Bush Intcntl to Denver. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from George Bush Intcntl to Denver. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This deal was found by Cheapflights users on 9/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:25 am -
Nonstop2h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$80
This Booking.com deal was found by Cheapflights users on 9/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:41 pm -
1 stop8h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$83
This Super.com deal was found by Cheapflights users on 9/3. 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 11/38:21 pm -
1 stop13h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$86
This Expedia deal was found by Cheapflights users on 9/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/69:04 pm -
1 stop12h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$87
This Mytrip deal was found by Cheapflights users on 9/2. 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.
Fri 9/2510:38 pm -
Nonstop2h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$89
This Super.com deal was found by Cheapflights users on 9/2. 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.
Sat 9/2610:30 am -
Nonstop2h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$91
This Super.com deal was found by Cheapflights users on 9/3. 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 10/110:38 pm -
Nonstop2h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$92
This Cheapflightsfares deal was found by Cheapflights users on 9/2. 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 10/1010:31 am -
Nonstop2h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:05 am -
1 stop16h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Wed 11/412:19 pm -
1 stop10h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 12/511:35 am -
Nonstop2h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$97
Find flight deals from George Bush Intcntl to Denver
Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) 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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $87 |
One-way from | $80 |
Popular in | June |
Cheapest in | April |
Average price | $205 |
Good round-trip deal | $220 or less |
Good one-way deal | $172 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from George Bush Intcntl 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 September 7, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Denver that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HoustonDenver
IAH Houston George Bush Intcntl - DEN Denver Intl
IAHDEN
Houston George Bush Intcntl
Sat 11/7
6:05 am-9:32 pm
1 stop16h 27m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$95
HoustonDenver
IAH Houston George Bush Intcntl - DEN Denver Intl
IAHDEN
Houston George Bush Intcntl
Thu 9/17
6:25 am-8:05 am
Nonstop2h 40m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$107
HoustonDenver
IAH Houston George Bush Intcntl - DEN Denver Intl
IAHDEN
Houston George Bush Intcntl
Sat 10/3
6:08 am-4:01 pm
2 stops10h 53m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$115
HoustonDenver
IAH Houston George Bush Intcntl - DEN Denver Intl
IAHDEN
Houston George Bush Intcntl
Wed 10/7
6:25 am-8:05 am
Nonstop2h 40m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$116
HoustonDenver
IAH Houston George Bush Intcntl - DEN Denver Intl
IAHDEN
Houston George Bush Intcntl
Fri 10/2
9:04 pm-9:24 pm
1 stop25h 20m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$125
HoustonDenver
IAH Houston George Bush Intcntl - DEN Denver Intl
IAHDEN
Houston George Bush Intcntl
Sat 9/19
5:32 pm-11:48 pm
1 stop7h 16m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$128
HoustonDenver
IAH Houston George Bush Intcntl - DEN Denver Intl
IAHDEN
Houston George Bush Intcntl
Thu 10/1
9:04 pm-11:59 am
2 stops15h 55m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$138
HoustonDenver
IAH Houston George Bush Intcntl - DEN Denver Intl
IAHDEN
Houston George Bush Intcntl
Wed 9/30
10:44 am-3:24 pm
1 stop5h 40m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$148
HoustonDenver
IAH Houston George Bush Intcntl - DEN Denver Intl
IAHDEN
Houston George Bush Intcntl
Mon 9/28
5:46 pm-11:35 pm
1 stop6h 49m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$148
Quickest round-trip
HoustonDenver
IAH Houston George Bush Intcntl - DEN Denver Intl
IAHDEN
Houston George Bush Intcntl
Sat 11/28
11:55 pm-1:33 am
Nonstop2h 38m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$151
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from George Bush Intcntl 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 George Bush Intcntl to Denver in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Denver flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-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 Houston George Bush Intcntl Airport-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 George Bush Intcntl to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from George Bush Intcntl with our price prediction graph.
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 George Bush Intcntl Airport to Denver
Prices
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Delays
How far ahead should I book a flight from Houston George Bush Intcntl Airport to Denver?
Booking 66 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston George Bush Intcntl Airport to Denver. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Denver?
Currently, April is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Denver (average of $190). Flying from Houston George Bush Intcntl Airport to Denver in June is currently the most expensive (average of $343). 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 IAH to DEN?
Find hourly flight availability from George Bush Intcntl 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 September 7, 2026.
It’s typically best to fly out from Houston George Bush Intcntl Airport to Denver in the evening. Doing so could potentially save you 22% on the flight price compared to flying at noon, which is usually more expensive.
What is the cheapest day to fly from Houston George Bush Intcntl Airport to Denver?
Use this chart to determine the cheapest time to fly round-trip from George Bush Intcntl to Denver. Price data was last updated on September 5, 2026.
Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Denver flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Houston to Denver delayed?
About 14% of weekly flights between Houston and Denver have experienced delays in the past year, with the average delay time being 144 minutes.
What is the most punctual flight time for Houston to Denver flights?
Historically, flights departing at night 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 Thursday 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.
The best insider tips for Houston George Bush Intcntl Airport to Denver flights
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Cheapflights partnered with top experts to bring you the best recommendations for your Houston George Bush Intcntl Airport to Denver trip
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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 September 7, 2026.
Get a feel of what it's like to fly with United Airlines and Frontier from Houston George Bush Intcntl Airport to Denver by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Crew
8.1
Food
6.7
Overall
7.4
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Comfort
7.3
Crew
8.1
Food
6.7
Overall
7.4
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Comfort
7.3
Crew
8.1
Food
6.7
Overall
7.4
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Related info for your journey
Find useful and relevant information for your journey from George Bush Intcntl 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
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Top 2 airlines flying from George Bush Intcntl to Denver
Discover the top 2 airlines that operate flights from George Bush Intcntl 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 September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$62 | Average$180 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$182 | Average$377 | FlexibilityNo cancel fee | On-time69% |