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George Bush Intcntl

$231+ Cheap flights from Great Falls (GTF) to George Bush Intcntl (IAH)

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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — IAH
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$231
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$582
Provider with most accurate pricing for Great Falls-Houston George Bush Intcntl flight deals.
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Provider most trusted by Cheapflights users for Great Falls-Houston George Bush Intcntl flights.
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From Great Falls to Houston George Bush Intcntl
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High demand for flights, 5% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($15 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 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 October 28, 2025.

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.
Fri 11/1410:21 pmGTF - IAH
1 stop14h 33mMultiple Airlines
Sun 11/166:31 pmIAH - GTF
1 stop27h 01mMultiple Airlines
Deal found 10/27$231
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.
Mon 12/2210:25 pmGTF - IAH
1 stop14h 02mMultiple Airlines
Mon 1/59:55 amIAH - GTF
1 stop12h 45mMultiple Airlines
Deal found 10/27$377
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.
Tue 12/27:35 pmGTF - IAH
1 stop21h 45mHawaiian Airlines
Thu 12/117:20 pmIAH - GTF
1 stop24h 35mHawaiian Airlines
Deal found 10/27$394
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:11 pmGTF - IAH
1 stop7h 20mDelta
Tue 1/67:20 amIAH - GTF
1 stop6h 13mDelta
Deal found 10/27$438
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:21 pmGTF - IAH
1 stop9h 20mAlaska Airlines
Tue 1/67:01 amIAH - GTF
1 stop12h 40mAlaska Airlines
Deal found 10/27$454
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:35 pmGTF - IAH
1 stop27h 24mAlaska Airlines
Thu 12/115:55 pmIAH - GTF
2 stops26h 00mAlaska Airlines
Deal found 10/27$466

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 October 28, 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

Fri 1/23

5:18 pm-10:30 am

2 stops16h 12m

Houston George Bush Intcntl

Sun 2/1

2:47 pm-4:28 pm

1 stop26h 41m

$321

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Tue 3/10

1:10 pm-9:40 pm

1 stop7h 30m

Houston George Bush Intcntl

Wed 3/11

7:45 am-12:32 pm

1 stop5h 47m

$328

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Mon 3/9

1:10 pm-9:40 pm

1 stop7h 30m

Houston George Bush Intcntl

Wed 3/11

7:45 am-12:32 pm

1 stop5h 47m

$375

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

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 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 Great Falls-Houston George Bush Intcntl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Great Falls-Houston George Bush Intcntl Airport flight deals on Cheapflights vs. eDreams >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 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 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.
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.

Cheapflights Insights

Everything you need to know about your flight from Great Falls to Houston George Bush Intcntl Airport

How much does it cost to fly round-trip from Great Falls to Houston George Bush Intcntl Airport?

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 October 28, 2025.
Read through reviews of airlines operating flights from Great Falls to Houston George Bush Intcntl Airport, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
9,001 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 2 airlines. Great Falls is conveniently located just 3.5 mi from Great Falls’s city center.

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

    For as low as $328, Delta can have you in Houston George Bush Intcntl Airport from Great Falls in 7h 30m. The distance from Great Falls to Houston George Bush Intcntl Airport is about 1478 mi.

  • 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 $147. Another airline that can offer you cheap pricing is United Airlines. Users have found that Delta is 72% cheaper than the other options available to this destination.

  • 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.

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
Katy
The Woodlands
Jersey Village
Spring
Humble
Conroe
Tomball
Cypress

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Top 2 airlines flying from Great Falls to George Bush Intcntl

Discover the top 2 airlines 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$147Average$571FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$382Average$627FlexibilityNo cancel feeOn-time69%

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