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$269+ 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — GTF
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
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 septiembre 11, 2025.

Round-trip from

$269
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$628
From Houston George Bush Intcntl to Great Falls
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Highest demand for flights based on searches. 11% potential increase in price ($68 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in September 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 septiembre 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/256:37 pmIAH - GTF
1 stop27h 54mMultiple Airlines
lun. 9/294:55 pmGTF - IAH
2 stops34h 35mMultiple Airlines
Deal found 9/10$269
This Delta deal was found by Cheapflights users on 9/10. 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.
mié. 10/297:40 amIAH - GTF
1 stop5h 48mDelta
lun. 11/31:08 pmGTF - IAH
1 stop7h 24mDelta
Deal found 9/10$415
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/199:29 amIAH - GTF
1 stop13h 02mMultiple Airlines
lun. 9/224:55 pmGTF - IAH
1 stop11h 55mMultiple Airlines
Deal found 9/10$444
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/298:26 pmIAH - GTF
1 stop18h 07mUnited Airlines
lun. 11/32:30 pmGTF - IAH
1 stop17h 02mUnited Airlines
Deal found 9/9$461
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/712:05 pmIAH - GTF
2 stops26h 21mUnited Airlines
mar. 10/142:31 pmGTF - IAH
1 stop7h 28mUnited Airlines
Deal found 9/9$516
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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.
mar. 10/75:45 pmIAH - GTF
2 stops24h 50mAlaska Airlines
mar. 10/146:15 pmGTF - IAH
2 stops21h 25mAlaska Airlines
Deal found 9/9$520
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
mié. 10/295:51 pmIAH - GTF
2 stops25h 19mAlaska Airlines
lun. 11/36:50 pmGTF - IAH
2 stops21h 00mAlaska Airlines
Deal found 9/10$554

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 septiembre 11, 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

jue. 9/25

6:37 pm-9:31 pm

1 stop27h 54m

Great Falls

lun. 9/29

4:55 pm-4:30 am

2 stops34h 35m

$269

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

mié. 10/29

7:40 am-12:28 pm

1 stop5h 48m

Great Falls

lun. 11/3

1:08 pm-9:32 pm

1 stop7h 24m

$415

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

mié. 10/29

5:51 pm-6:10 pm

2 stops25h 19m

Great Falls

lun. 11/3

6:50 pm-4:50 pm

2 stops21h 00m

$554

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

dom. 9/28

9:35 pm-9:11 pm

2 stops24h 36m

Great Falls

mar. 9/30

2:31 pm-10:03 am

2 stops18h 32m

$637

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

dom. 9/28

11:22 am-5:27 pm

1 stop7h 05m

Great Falls

mar. 9/30

5:40 am-11:51 am

1 stop5h 11m

$655

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

sáb. 12/20

11:15 am-5:39 pm

1 stop7h 24m

Great Falls

vie. 1/2

5:30 am-1:49 pm

1 stop7h 19m

$772

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

sáb. 12/20

7:28 pm-6:41 pm

1 stop24h 13m

Great Falls

vie. 1/2

7:21 pm-4:57 pm

2 stops20h 36m

$824

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

sáb. 9/20

11:22 am-5:27 pm

1 stop7h 05m

$277

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

sáb. 9/20

7:10 am-3:49 pm

3 stops33h 39m

$894

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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 septiembre 11, 2025.
Get a feel of what it's like to fly with Delta 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.
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 5h 48m. 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 Delta is currently your cheapest option to Great Falls, with prices starting at $284. Delta is 45% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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.

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

    Currently, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Great Falls (average of $367). Flying from Houston George Bush Intcntl Airport to Great Falls in July is currently the most expensive (average of $574). 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.

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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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$284Average$459FlexibilityNo cancel feeOn-timeN/A

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