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$274+ 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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — GTF
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheap 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 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$274
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$415
Provider with most accurate pricing for Houston George Bush Intcntl-Great Falls flight deals.
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Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Great Falls flights.
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From Houston George Bush Intcntl to Great Falls
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Highest demand for flights based on searches. 9% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from George Bush Intcntl to Great Falls

Cheapest flights from George Bush Intcntl to Great Falls
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 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:00 amIAH - GTF
1 stop15h 31mMultiple Airlines
Fri 11/1410:21 pmGTF - IAH
2 stops22h 43mMultiple Airlines
Deal found 10/26$274
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:21 pmIAH - GTF
1 stop16h 45mMultiple Airlines
Wed 11/262:52 pmGTF - IAH
2 stops25h 18mMultiple Airlines
Deal found 10/26$302
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Thu 12/183:55 pmIAH - GTF
2 stops30h 40mMultiple Airlines
Mon 1/510:25 pmGTF - IAH
1 stop29h 16mMultiple Airlines
Deal found 10/27$303
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:21 pmIAH - GTF
1 stop16h 45mMultiple Airlines
Sun 11/3010:25 pmGTF - IAH
2 stops17h 45mMultiple Airlines
Deal found 10/26$309
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/239:33 pmIAH - GTF
1 stop13h 33mMultiple Airlines
Wed 11/262:52 pmGTF - IAH
2 stops25h 18mMultiple Airlines
Deal found 10/26$353
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/239:33 pmIAH - GTF
1 stop13h 33mMultiple Airlines
Sun 11/3010:25 pmGTF - IAH
2 stops17h 45mMultiple Airlines
Deal found 10/26$361
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/611:36 amIAH - GTF
1 stop6h 52mDelta
Thu 12/181:12 pmGTF - IAH
1 stop7h 24mDelta
Deal found 10/26$375

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 2,558,603 searches. Data last updated October 28, 2025.
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

George Bush Intcntl

Fly to

Great Falls

Route

Depart

Return

Price

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Sat 1/24

10:44 am-10:31 pm

2 stops12h 47m

Great Falls

Tue 2/3

5:30 am-11:59 am

1 stop5h 29m

$334

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Sat 12/6

11:36 am-5:28 pm

1 stop6h 52m

Great Falls

Thu 12/18

1:12 pm-9:36 pm

1 stop7h 24m

$375

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Tue 11/18

7:26 pm-6:10 pm

1 stop23h 44m

Great Falls

Tue 12/2

7:35 pm-4:55 pm

2 stops20h 20m

$456

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Wed 11/19

7:00 am-6:10 pm

1 stop12h 10m

Great Falls

Tue 12/2

7:35 pm-4:55 pm

2 stops20h 20m

$456

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Wed 4/22

11:55 am-5:39 pm

1 stop6h 44m

Great Falls

Wed 4/29

1:10 pm-9:38 pm

1 stop7h 28m

$456

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Fri 4/3

7:35 am-3:20 pm

1 stop8h 45m

Great Falls

Tue 4/7

4:00 pm-11:58 pm

1 stop6h 58m

$466

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Fri 4/3

7:35 am-3:20 pm

1 stop8h 45m

Great Falls

Tue 4/7

4:00 pm-11:58 pm

1 stop6h 58m

$466

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Fri 4/24

11:55 am-5:39 pm

1 stop6h 44m

Great Falls

Wed 4/29

1:10 pm-9:38 pm

1 stop7h 28m

$466

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Fri 4/24

11:55 am-5:39 pm

1 stop6h 44m

Great Falls

Tue 4/28

5:30 am-12:19 pm

1 stop5h 49m

$466

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

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.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Great Falls flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Houston George Bush Intcntl Airport-Great Falls flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.
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.

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to Great Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Great Falls from Houston George Bush Intcntl?

    Great Falls (GTF), located 3.5 mi from the city center, is the airport you fly into when you book flights from Houston George Bush Intcntl to Great Falls. 0 airlines have flights to Great Falls from Houston George Bush Intcntl on a regular basis. Booking flights from Houston George Bush Intcntl to Great Falls should not be difficult; the airport handles an average of 0 inbound flights from Houston George Bush Intcntl per day.

  • How long is the flight from Houston George Bush Intcntl Airport to Great Falls?

    Departing from Houston George Bush Intcntl Airport to Great Falls will take you 12h 47m. Houston George Bush Intcntl Airport and Great Falls are separated by a distance of 1478 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from George Bush Intcntl to Great Falls that include hotel bookings?

    Yes. In addition to deals on George Bush Intcntl to Great Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from George Bush Intcntl to Great Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to Great Falls.

  • Can I find deals for business class flights from George Bush Intcntl to Great Falls?

    Yes. Cheapflights offers flight deals from George Bush Intcntl to Great Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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