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$229+ Cheap flights from George Bush Intcntl (IAH) to Great Falls (GTF)

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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — GTF
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
1 adult, Economy
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Cheap 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 March 10, 2026.

This Delta deal was found by Cheapflights users on 3/6. 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 8/1011:55 am
IAH
-
GTF
1 stop6h 44m
Delta
Sat 8/151:10 pm
GTF
-
IAH
1 stop7h 28m
Delta
Deal found 3/6$318
This Alaska Airlines deal was found by Cheapflights users on 3/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:00 am
IAH
-
GTF
1 stop11h 35m
Alaska Airlines
Sat 5/96:15 pm
GTF
-
IAH
1 stop10h 01m
Alaska Airlines
Deal found 3/5$359
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:00 am
IAH
-
GTF
1 stop11h 35m
Alaska Airlines
Sat 5/26:15 pm
GTF
-
IAH
1 stop10h 01m
Alaska Airlines
Deal found 3/9$377
This Alaska Airlines deal was found by Cheapflights users on 3/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/257:00 am
IAH
-
GTF
1 stop10h 26m
Alaska Airlines
Sun 3/295:06 pm
GTF
-
IAH
1 stop11h 15m
Alaska Airlines
Deal found 3/10$388
This United Airlines deal was found by Cheapflights users on 3/8. 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 4/252:41 pm
IAH
-
GTF
1 stop7h 36m
United Airlines
Tue 4/282:30 pm
GTF
-
IAH
1 stop8h 29m
United Airlines
Deal found 3/8$396
This Delta deal was found by Cheapflights users on 3/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:45 am
IAH
-
GTF
2 stops11h 57m
Delta
Sun 3/291:05 pm
GTF
-
IAH
1 stop7h 31m
Delta
Deal found 3/10$439

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$318
(Delta)

One-way from

$229
(United Airlines)
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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One-way flight from Houston George Bush Intcntl to Great Falls
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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 March 10, 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

Price

Cheapest round-trip

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Mon 8/10

11:55 am-5:39 pm

1 stop6h 44m

Great Falls

Sat 8/15

6:20 pm-8:32 am

2 stops13h 12m

$324

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Wed 5/6

7:00 am-5:35 pm

1 stop11h 35m

Great Falls

Sat 5/9

6:15 pm-5:16 am

1 stop10h 01m

$359

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Sat 4/25

2:41 pm-9:17 pm

1 stop7h 36m

Great Falls

Tue 4/28

2:30 pm-9:03 pm

1 stop5h 33m

$396
Quickest round-trip

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Tue 4/28

8:13 am-1:31 pm

1 stop6h 18m

Great Falls

Sat 5/2

2:35 pm-9:31 pm

1 stop5h 56m

$396

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Tue 4/28

6:18 pm-5:35 pm

2 stops24h 17m

Great Falls

Sat 5/2

6:15 pm-5:16 am

1 stop10h 01m

$435

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Sat 4/25

5:00 am-5:35 pm

2 stops13h 35m

Great Falls

Tue 4/28

6:15 pm-5:16 am

1 stop10h 01m

$463
Cheapest one-way

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Mon 3/16

2:50 pm-9:11 pm

1 stop7h 21m

$229
Quickest one-way

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Tue 3/17

8:15 am-1:33 pm

1 stop6h 18m

$229

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Tue 3/17

5:25 am-5:42 pm

2 stops13h 17m

$235

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Mon 3/16

5:33 pm-4:17 pm

2 stops23h 44m

$713

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 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.
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 March 10, 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.
United Airlines
7.4
Good
9,409 reviews

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,409 reviews
United Airlines
7.4
Good
9,409 reviews

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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. 1 airline 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 6h 44m. 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.

  • What is the cheapest airline to fly from Houston George Bush Intcntl Airport to Great Falls round-trip?

    Flying on United Airlines is currently your cheapest option to Great Falls, with prices starting at $298.

  • 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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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 2,558,603 searches. Data last updated March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$298Average$610FlexibilityNo cancel feeOn-time69%

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