$309+ Cheap flights from George Bush Intcntl (IAH) to Great Falls (GTF)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — GTF
Nov 11 — Nov 181
Round-trip
1 adult, Economy
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Find cheap flights from George Bush Intcntl to Great Falls 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.Cheap flight deals from George Bush Intcntl to Great Falls
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Best
Last-minute
One-way
Cheapest flights from George Bush Intcntl to Great FallsExplore the most affordable flight options available from George Bush Intcntl to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 12, 2026.
Explore the most affordable flight options available from George Bush Intcntl to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 12, 2026.
This Delta deal was found by Cheapflights users on 10/11. 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.
Sat 11/77:10 am -
1 stop6h 28m
Mon 11/231:21 pm -
1 stop7h 29m
Deal found 10/11![Delta logo]()
$438
This Delta deal was found by Cheapflights users on 10/11. 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.
Sat 11/77:10 am -
1 stop6h 28m
Thu 11/261:21 pm -
1 stop7h 29m
Deal found 10/11![Delta logo]()
$457
This United Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:30 am -
1 stop6h 19m
Sat 11/142:45 pm -
1 stop7h 08m
Deal found 10/7![United Airlines logo]()
$484
This United Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/78:30 am -
1 stop6h 19m
Tue 11/242:45 pm -
1 stop8h 14m
Deal found 10/8![United Airlines logo]()
$500
This United Airlines deal was found by Cheapflights users on 10/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:20 am -
1 stop7h 29m
Wed 11/252:45 pm -
1 stop7h 09m
Deal found 10/11![United Airlines logo]()
$528
This Delta deal was found by Cheapflights users on 10/11. 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.
Sat 11/75:35 am -
2 stops13h 12m
Wed 11/256:19 pm -
1 stop18h 13m
Deal found 10/11![Delta logo]()
$564
This Delta deal was found by Cheapflights users on 10/11. 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.
Sat 11/77:10 am -
1 stop6h 28m
Fri 11/275:30 am -
2 stops26h 16m
Deal found 10/11![Delta logo]()
$592
Best flights from George Bush Intcntl to Great FallsDiscover carefully curated flight deals from George Bush Intcntl to Great Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 12, 2026.
Discover carefully curated flight deals from George Bush Intcntl to Great Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 12, 2026.
This United Airlines deal was found by Cheapflights users on 10/10. 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 11/118:30 am -
1 stop6h 19m
Sat 11/142:45 pm -
1 stop7h 08m
Deal found 10/10![United Airlines logo]()
$484
This United Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/78:30 am -
1 stop6h 19m
Tue 11/242:45 pm -
1 stop8h 14m
Deal found 10/8![United Airlines logo]()
$500
This United Airlines deal was found by Cheapflights users on 10/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/67:20 am -
1 stop7h 16m
Sat 1/92:32 pm -
1 stop8h 27m
Deal found 10/11![United Airlines logo]()
$567
Last-minute flights from George Bush Intcntl to Great FallsDiscover last-minute flight deals from George Bush Intcntl to Great Falls. Data last updated October 12, 2026 and is based on user searches.
Discover last-minute flight deals from George Bush Intcntl to Great Falls. Data last updated October 12, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/11. 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.
Sat 11/77:10 am -
1 stop6h 28m
Mon 11/231:21 pm -
1 stop7h 29m
Deal found 10/11![Delta logo]()
$438
This Delta deal was found by Cheapflights users on 10/11. 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.
Sat 11/77:10 am -
1 stop6h 28m
Thu 11/261:21 pm -
1 stop7h 29m
Deal found 10/11![Delta logo]()
$457
This United Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/78:30 am -
1 stop6h 19m
Tue 11/242:45 pm -
1 stop8h 14m
Deal found 10/8![United Airlines logo]()
$500
This United Airlines deal was found by Cheapflights users on 10/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:20 am -
1 stop7h 29m
Wed 11/252:45 pm -
1 stop7h 09m
Deal found 10/11![United Airlines logo]()
$528
This Delta deal was found by Cheapflights users on 10/11. 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.
Sat 11/75:35 am -
2 stops13h 12m
Wed 11/256:19 pm -
1 stop18h 13m
Deal found 10/11![Delta logo]()
$564
This Delta deal was found by Cheapflights users on 10/11. 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.
Sat 11/77:10 am -
1 stop6h 28m
Fri 11/275:30 am -
2 stops26h 16m
Deal found 10/11![Delta logo]()
$592
This United Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:30 am -
1 stop6h 19m
Sat 11/142:45 pm -
1 stop7h 08m
Deal found 10/7![United Airlines logo]()
$484
One-way flights from George Bush Intcntl to Great FallsSearch for one-way flight options from George Bush Intcntl to Great Falls. Find affordable one-way fares based on user searches. Data last updated October 12, 2026.
Search for one-way flight options from George Bush Intcntl to Great Falls. Find affordable one-way fares based on user searches. Data last updated October 12, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:02 am -
1 stop10h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Alaska Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 10/11. 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.
Sat 11/77:00 am -
2 stops11h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 10/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:20 am -
3 stops15h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![United Airlines logo]()
$667
Find flight deals from George Bush Intcntl to Great Falls
Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Great Falls (GTF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $484 (United Airlines) |
One-way from | $309 (Alaska Airlines) |
Popular in | December |
Cheapest in | August |
Average price | $624 |
Cheapflights Fare Finder
Customize your flight search to find flights from George Bush Intcntl to Great Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 12, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Great Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
HoustonGreat Falls
IAH Houston George Bush Intcntl - GTF Great Falls
IAHGTF
Houston George Bush Intcntl
Sat 11/7
7:00 am-5:47 pm
2 stops11h 47m
Great Falls
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$379
HoustonGreat Falls
IAH Houston George Bush Intcntl - GTF Great Falls
IAHGTF
Houston George Bush Intcntl
Wed 11/11
8:30 am-1:49 pm
1 stop6h 19m
Great Falls
Sat 11/14
2:45 pm-10:53 pm
1 stop7h 08m
$484
HoustonGreat Falls
IAH Houston George Bush Intcntl - GTF Great Falls
IAHGTF
Houston George Bush Intcntl
Sat 11/7
8:30 am-1:49 pm
1 stop6h 19m
Great Falls
Tue 11/24
2:45 pm-11:59 pm
1 stop8h 14m
$500
HoustonGreat Falls
IAH Houston George Bush Intcntl - GTF Great Falls
IAHGTF
Houston George Bush Intcntl
Wed 1/6
7:20 am-1:36 pm
1 stop7h 16m
Great Falls
Sat 1/9
2:32 pm-11:59 pm
1 stop8h 27m
$567
HoustonGreat Falls
IAH Houston George Bush Intcntl - GTF Great Falls
IAHGTF
Houston George Bush Intcntl
Sat 11/7
7:20 am-9:38 pm
3 stops15h 18m
Great Falls
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$667
Sorted by cheapest first
Compare providers for flights from George Bush Intcntl to Great Falls
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 Great Falls in October.
| 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 Houston George Bush Intcntl Airport-Great Falls 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-Great Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Great Falls flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Great Falls 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-Great Falls 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 Great Falls
Have a flexible travel schedule? Discover the best time to fly to Great Falls from George Bush Intcntl with our price prediction graph.
IAH-GTF
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 Great Falls
Get insights into the airlines that provide service to Great Falls. 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 Great Falls. Reviews last updated October 12, 2026.
Get a feel of what it's like to fly with United Airlines from Houston George Bush Intcntl Airport to Great Falls 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
Food
6.7
Crew
8.1
Boarding
7.7
Entertainment
7.1
Overall
7.4
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Comfort
7.3
Food
6.7
Crew
8.1
Boarding
7.7
Entertainment
7.1
Overall
7.4
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Related info for your journey
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George Bush Intcntl and Great Falls flights
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Top airline flying from George Bush Intcntl to Great Falls
Discover the top airline that operate flights from George Bush Intcntl to Great Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$298 | Average$635 | FlexibilityNo cancel fee | On-time69% |