$192+ Cheap flights from Great Falls (GTF) to George Bush Intcntl (IAH)
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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — IAH
Jul 11 — Jul 181
Round-trip
1 adult, Economy
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Find cheap flights from Great Falls to George Bush Intcntl 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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Great Falls to George Bush Intcntl
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Cheapest flights from Great Falls to George Bush IntcntlExplore the most affordable flight options available from Great Falls to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.
Explore the most affordable flight options available from Great Falls to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/135:30 am
GTF
- IAH
1 stop5h 49m
Delta
Sun 9/207:35 am
IAH
- GTF
1 stop6h 00m
Delta
Deal found 6/8![Delta logo]()
$348
This Delta deal was found by Cheapflights users on 6/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/25:40 am
GTF
- IAH
1 stop6h 48m
Delta
Wed 7/87:10 am
IAH
- GTF
2 stops11h 32m
Delta
Deal found 6/7![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/232:37 pm
GTF
- IAH
1 stop8h 22m
United Airlines
Mon 8/103:00 pm
IAH
- GTF
1 stop7h 34m
United Airlines
Deal found 6/8![United Airlines logo]()
$378
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/241:17 pm
GTF
- IAH
2 stops9h 42m
Delta
Tue 8/117:30 am
IAH
- GTF
1 stop5h 58m
Delta
Deal found 6/8![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/241:17 pm
GTF
- IAH
2 stops9h 42m
Delta
Sat 8/87:20 am
IAH
- GTF
2 stops11h 22m
Delta
Deal found 6/8![Delta logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/310:19 am
GTF
- IAH
1 stop25h 03m
Multiple Airlines
Thu 8/68:43 pm
IAH
- GTF
1 stop13h 46m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 7/2010:19 am
GTF
- IAH
1 stop25h 03m
Multiple Airlines
Thu 8/1311:51 am
IAH
- GTF
2 stops22h 38m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/291:17 pm
GTF
- IAH
1 stop7h 33m
Delta
Tue 8/117:30 am
IAH
- GTF
1 stop5h 58m
Delta
Deal found 6/8![Delta logo]()
$418
Best flights from Great Falls to George Bush IntcntlDiscover carefully curated flight deals from Great Falls to George Bush Intcntl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 11, 2026.
Discover carefully curated flight deals from Great Falls to George Bush Intcntl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 11, 2026.
This Delta deal was found by Cheapflights users on 6/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/25:40 am
GTF
- IAH
1 stop6h 48m
Delta
Wed 7/87:10 am
IAH
- GTF
2 stops11h 32m
Delta
Deal found 6/7![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/162:37 pm
GTF
- IAH
1 stop8h 22m
United Airlines
Sun 7/266:30 am
IAH
- GTF
1 stop8h 11m
United Airlines
Deal found 6/10![United Airlines logo]()
$553
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:25 pm
GTF
- IAH
2 stops14h 34m
Delta
Mon 8/107:30 am
IAH
- GTF
1 stop5h 58m
Delta
Deal found 6/8![Delta logo]()
$488
This United Airlines deal was found by Cheapflights users on 6/9. 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 7/256:15 am
GTF
- IAH
1 stop14h 21m
United Airlines
Tue 8/113:00 pm
IAH
- GTF
1 stop7h 12m
United Airlines
Deal found 6/9![United Airlines logo]()
$563
This Delta deal was found by Cheapflights users on 6/11. 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 7/311:17 pm
GTF
- IAH
1 stop7h 33m
Delta
Sat 8/87:20 am
IAH
- GTF
2 stops11h 22m
Delta
Deal found 6/11![Delta logo]()
$519
This Delta deal was found by Cheapflights users on 6/9. 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 7/226:25 pm
GTF
- IAH
1 stop22h 22m
Delta
Thu 8/137:20 am
IAH
- GTF
2 stops11h 22m
Delta
Deal found 6/9![Delta logo]()
$537
Last-minute flights from Great Falls to George Bush IntcntlDiscover last-minute flight deals from Great Falls to George Bush Intcntl. Data last updated June 11, 2026 and is based on user searches.
Discover last-minute flight deals from Great Falls to George Bush Intcntl. Data last updated June 11, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/25:40 am
GTF
- IAH
1 stop6h 48m
Delta
Wed 7/87:10 am
IAH
- GTF
2 stops11h 32m
Delta
Deal found 6/7![Delta logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 7/2010:19 am
GTF
- IAH
1 stop25h 03m
Multiple Airlines
Thu 8/1311:51 am
IAH
- GTF
2 stops22h 38m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/232:37 pm
GTF
- IAH
1 stop8h 22m
United Airlines
Mon 8/103:00 pm
IAH
- GTF
1 stop7h 34m
United Airlines
Deal found 6/8![United Airlines logo]()
$378
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/241:17 pm
GTF
- IAH
2 stops9h 42m
Delta
Tue 8/117:30 am
IAH
- GTF
1 stop5h 58m
Delta
Deal found 6/8![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/241:17 pm
GTF
- IAH
2 stops9h 42m
Delta
Wed 8/127:20 am
IAH
- GTF
2 stops11h 22m
Delta
Deal found 6/8![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/241:17 pm
GTF
- IAH
2 stops9h 42m
Delta
Sun 8/97:20 am
IAH
- GTF
2 stops11h 22m
Delta
Deal found 6/8![Delta logo]()
$419
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/291:17 pm
GTF
- IAH
1 stop7h 33m
Delta
Mon 8/107:30 am
IAH
- GTF
1 stop5h 58m
Delta
Deal found 6/8![Delta logo]()
$418
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/291:17 pm
GTF
- IAH
1 stop7h 33m
Delta
Thu 8/67:20 am
IAH
- GTF
2 stops11h 22m
Delta
Deal found 6/8![Delta logo]()
$424
This Expedia deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/315:09 pm
GTF
- IAH
1 stop12h 11m
Alaska Airlines
Sat 8/86:02 am
IAH
- GTF
1 stop11h 27m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$427
One-way flights from Great Falls to George Bush IntcntlSearch for one-way flight options from Great Falls to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
Search for one-way flight options from Great Falls to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 7/99:10 pm
GTF
- IAH
1 stop15h 49m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$192
This Alaska Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/245:09 pm
GTF
- IAH
1 stop12h 11m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$210
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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.
Thu 7/165:09 pm
GTF
- IAH
1 stop12h 11m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$264
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/161:17 pm
GTF
- IAH
1 stop7h 33m
Delta
Deal found 6/11![Delta logo]()
$368
This United Airlines deal was found by Cheapflights users on 6/10. 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 6/246:15 am
GTF
- IAH
1 stop6h 25m
United Airlines
Deal found 6/10![United Airlines logo]()
$448
Find flight deals from Great Falls to George Bush Intcntl
Discover tips and strategies to find the most affordable flight options for your journey from Great Falls (GTF) to George Bush Intcntl (IAH). 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 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $354 (Delta) |
One-way from | $192 (Kiwi.com) |
Popular in | December |
Cheapest in | July |
Cheapflights Fare Finder
Customize your flight search to find flights from Great Falls to George Bush Intcntl 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 11, 2026.
Use the filters below to find and compare flights from Great Falls to Houston George Bush Intcntl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Great FallsHouston
GTF - IAH
GTFIAH
Great Falls
Thu 7/2
5:40 am-1:28 pm
1 stop6h 48m
Houston George Bush Intcntl
Wed 7/8
7:10 am-5:42 pm
2 stops11h 32m
$354
Great FallsHouston
GTF - IAH
GTFIAH
Great Falls
Fri 7/31
6:25 pm-9:59 am
2 stops14h 34m
Houston George Bush Intcntl
Mon 8/10
7:30 am-12:28 pm
1 stop5h 58m
$488
Great FallsHouston
GTF - IAH
GTFIAH
Great Falls
Fri 7/31
1:17 pm-9:50 pm
1 stop7h 33m
Houston George Bush Intcntl
Sat 8/8
7:20 am-5:42 pm
2 stops11h 22m
$519
Great FallsHouston
GTF - IAH
GTFIAH
Great Falls
Wed 7/22
6:25 pm-5:47 pm
1 stop22h 22m
Houston George Bush Intcntl
Thu 8/13
7:20 am-5:42 pm
2 stops11h 22m
$537
Quickest round-trip
Great FallsHouston
GTF - IAH
GTFIAH
Great Falls
Thu 7/16
2:37 pm-11:59 pm
1 stop8h 22m
Houston George Bush Intcntl
Sun 7/26
6:30 am-1:41 pm
1 stop8h 11m
$553
Great FallsHouston
GTF - IAH
GTFIAH
Great Falls
Sat 7/25
6:15 am-9:36 pm
1 stop14h 21m
Houston George Bush Intcntl
Tue 8/11
3:00 pm-9:12 pm
1 stop7h 12m
$563
Cheapest one-way
Great FallsHouston
GTF - IAH
GTFIAH
Great Falls
Thu 7/9
9:10 pm-1:59 pm
1 stop15h 49m
$192
Great FallsHouston
GTF - IAH
GTFIAH
Great Falls
Wed 6/24
5:09 pm-6:20 am
1 stop12h 11m
$210
Great FallsHouston
GTF - IAH
GTFIAH
Great Falls
Thu 7/16
5:09 pm-6:20 am
1 stop12h 11m
$264
Quickest one-way
Great FallsHouston
GTF - IAH
GTFIAH
Great Falls
Thu 7/16
1:17 pm-9:50 pm
1 stop7h 33m
$368
Sorted by cheapest first
Compare providers for flights from Great Falls to George Bush Intcntl
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 Great Falls to George Bush Intcntl in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Great Falls-Houston George Bush Intcntl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Great Falls-Houston George Bush Intcntl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Great Falls-Houston George Bush Intcntl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Great Falls-Houston George Bush Intcntl Airport 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 Great Falls-Houston George Bush Intcntl Airport 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 Great Falls to George Bush Intcntl
Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Great Falls with our price prediction graph.
GTF-IAH
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.
Reviews of airlines servicing George Bush Intcntl
Get insights into the airlines that provide service to George Bush Intcntl. 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 George Bush Intcntl. Reviews last updated June 11, 2026.
Read through reviews of airlines operating flights from Great Falls to Houston George Bush Intcntl Airport, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Food
6.6
Overall
7.4
Comfort
7.3
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Crew
8.1
Food
6.6
Overall
7.4
Comfort
7.3
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Related info for your journey
Find useful and relevant information for your journey from Great Falls to George Bush Intcntl. 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 Houston George Bush Intcntl Airport?
Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locationsKaty
Spring
The Woodlands
Jersey Village
Humble
Conroe
Tomball
Cypress
Montgomery
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Great Falls and George Bush Intcntl flights
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Top airline flying from Great Falls to George Bush Intcntl
Discover the top airline that operate flights from Great Falls to George Bush Intcntl. 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 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$382 | Average$627 | FlexibilityNo cancel fee | On-time69% |