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George Bush Intcntl

$168+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — IAH
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap 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 July 29, 2025.

Round-trip from

$350
(Delta)

One-way from

$168
(Delta)

Popular in

December

Cheapest in

January

Average price

$233
From Great Falls to Houston George Bush Intcntl
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One-way flight from Great Falls to Houston George Bush Intcntl
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High demand for flights, 28% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Great Falls to George Bush Intcntl

Cheapest flights from Great Falls to George Bush Intcntl
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 July 29, 2025.

This Delta deal was found by Cheapflights users on 7/28. 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 8/235:45 amGTF - IAH
1 stop5h 11mDelta
Tue 8/267:00 amIAH - GTF
2 stops11h 26mDelta
Deal found 7/28$350
This United Airlines deal was found by Cheapflights users on 7/28. 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 8/232:35 pmGTF - IAH
1 stop8h 20mUnited Airlines
Tue 8/262:51 pmIAH - GTF
1 stop7h 37mUnited Airlines
Deal found 7/28$430
This Hawaiian Airlines deal was found by Cheapflights users on 7/27. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/234:29 pmGTF - IAH
1 stop12h 55mHawaiian Airlines
Tue 8/268:00 amIAH - GTF
1 stop8h 49mHawaiian Airlines
Deal found 7/27$435
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 8/294:29 pmGTF - IAH
1 stop12h 55mAlaska Airlines
Tue 9/27:28 pmIAH - GTF
1 stop21h 21mAlaska Airlines
Deal found 7/29$459

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 July 29, 2025.
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

Great Falls

Fly to

George Bush Intcntl

Route

Depart

Return

Price

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Sat 8/23

5:45 am-11:56 am

1 stop5h 11m

Houston George Bush Intcntl

Tue 8/26

7:00 am-5:26 pm

2 stops11h 26m

$350

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Sat 8/23

2:35 pm-11:55 pm

1 stop8h 20m

Houston George Bush Intcntl

Tue 8/26

2:51 pm-9:28 pm

1 stop7h 37m

$430

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Sat 8/23

4:29 pm-6:24 am

1 stop12h 55m

Houston George Bush Intcntl

Tue 8/26

8:00 am-3:49 pm

1 stop8h 49m

$435

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Fri 8/29

4:29 pm-6:24 am

1 stop12h 55m

Houston George Bush Intcntl

Tue 9/2

7:28 pm-3:49 pm

1 stop21h 21m

$459

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Tue 8/19

5:45 am-11:56 am

1 stop5h 11m

$168

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Tue 8/19

4:55 pm-12:06 am

1 stop30h 11m

$223

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Tue 8/19

2:35 pm-3:31 pm

2 stops23h 56m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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.
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 July 29, 2025.
Read through reviews of airlines operating flights from Great Falls to Houston George Bush Intcntl Airport, such as Alaska Airlines, Delta, and Hawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,979 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,605 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

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

    Most people fly from Great Falls (GTF) if they book a flight from Great Falls to Houston George Bush Intcntl. On average, Great Falls has 0 outbound flights to Houston George Bush Intcntl per day from 1 airline. Great Falls is conveniently located just 3.5 mi from Great Falls’s city center.

  • What are the cheapest airlines flying from Great Falls to Houston George Bush Intcntl Airport round-trip?

    Cheapflights users have booked flights from Great Falls to Houston George Bush Intcntl Airport round-trip from $350. Other airlines that can offer you cheap pricing are United Airlines, from $430, and Hawaiian Airlines, from $435. Users have found that Delta is 32% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Great Falls to Houston George Bush Intcntl Airport one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $168. However, be on the lookout for offers from Alaska Airlines and United Airlines, as they are both options that can get you from Great Falls to Houston George Bush Intcntl Airport for a low price.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Great Falls to Houston George Bush Intcntl Airport?

    Currently, August is the cheapest month in which you can book a flight from Great Falls to Houston George Bush Intcntl Airport (average of $241). Flying from Great Falls to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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.

See more FAQs

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 locations
Montgomery
Spring
Humble
Conroe
The Woodlands
Tomball
Katy
Jersey Village

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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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$332Average$534FlexibilityNo cancel feeOn-timeN/A

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