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Great Falls

$298+ Cheap flights from Houston 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — GTF
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Cheap flight deals from Houston to Great Falls

Cheapest flights from Houston to Great Falls
Explore the most affordable flight options available from Houston to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.

This Delta deal was found by Cheapflights users on 2/12. 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 8/2411:55 am
IAH
-
GTF
1 stop6h 44m
Delta
Sat 8/295:30 am
GTF
-
IAH
1 stop5h 49m
Delta
Deal found 2/12$298
This Delta deal was found by Cheapflights users on 2/12. 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 8/246:30 am
IAH
-
GTF
2 stops12h 09m
Delta
Sun 8/305:30 am
GTF
-
IAH
1 stop5h 49m
Delta
Deal found 2/12$304
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Thu 2/268:16 am
IAH
-
GTF
1 stop6h 27m
United Airlines
Mon 3/22:25 pm
GTF
-
IAH
1 stop8h 34m
United Airlines
Deal found 2/11$348
This Delta deal was found by Cheapflights users on 2/12. 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 8/2410:05 am
HOU
-
GTF
2 stops13h 39m
Delta
Sun 8/306:20 pm
GTF
-
HOU
2 stops13h 55m
Delta
Deal found 2/12$394
This Delta deal was found by Cheapflights users on 2/11. 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.
Thu 2/2611:34 am
IAH
-
GTF
1 stop6h 59m
Delta
Mon 3/26:20 pm
GTF
-
IAH
2 stops13h 29m
Delta
Deal found 2/11$409
This Delta deal was found by Cheapflights users on 2/12. 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.
Fri 5/156:15 am
IAH
-
GTF
2 stops12h 25m
Delta
Mon 5/181:07 pm
GTF
-
IAH
1 stop7h 32m
Delta
Deal found 2/12$439
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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.
Fri 5/158:00 am
IAH
-
GTF
1 stop11h 12m
Alaska Airlines
Mon 5/186:52 pm
GTF
-
IAH
1 stop28h 07m
Alaska Airlines
Deal found 2/10$440
This Delta deal was found by Cheapflights users on 2/11. 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 2/236:10 am
IAH
-
GTF
2 stops12h 23m
Delta
Wed 2/255:20 am
GTF
-
IAH
1 stop5h 38m
Delta
Deal found 2/11$444
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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.
Tue 2/247:00 am
IAH
-
GTF
1 stop10h 17m
Alaska Airlines
Sat 2/286:28 pm
GTF
-
IAH
2 stops12h 55m
Alaska Airlines
Deal found 2/10$454
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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.
Fri 5/159:57 am
HOU
-
GTF
2 stops33h 15m
Alaska Airlines
Mon 5/186:52 pm
GTF
-
HOU
2 stops13h 34m
Alaska Airlines
Deal found 2/10$519
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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.
Tue 2/246:00 am
HOU
-
GTF
2 stops11h 17m
Alaska Airlines
Sat 2/286:28 pm
GTF
-
HOU
2 stops14h 15m
Alaska Airlines
Deal found 2/10$551
This Alaska Airlines deal was found by Cheapflights users on 2/11. 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.
Mon 2/234:21 pm
HOU
-
GTF
2 stops24h 56m
Alaska Airlines
Wed 2/256:28 pm
GTF
-
HOU
2 stops14h 15m
Alaska Airlines
Deal found 2/11$596

Find flight deals from Houston to Great Falls

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) 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 February 13, 2026.

Round-trip from

$348
(United Airlines)
From Houston to Great Falls
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston 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 February 13, 2026.
Use the filters below to find and compare flights from Houston to Great Falls that are best for you.

Fly from

Houston

Fly to

Great Falls

Route

Depart

Return

Price

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Thu 2/26

8:16 am-1:43 pm

1 stop6h 27m

Great Falls

Mon 3/2

2:25 pm-11:59 pm

1 stop8h 34m

$348

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Mon 2/23

6:10 am-5:33 pm

2 stops12h 23m

Great Falls

Wed 2/25

5:20 am-11:58 am

1 stop5h 38m

$444

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Tue 2/24

7:00 am-4:17 pm

1 stop10h 17m

Great Falls

Sat 2/28

6:28 pm-8:23 am

2 stops12h 55m

$454

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Sun 2/22

6:30 am-1:43 pm

1 stop8h 13m

Great Falls

Wed 2/25

2:25 pm-8:50 pm

1 stop5h 25m

$493

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Tue 2/24

6:30 am-1:43 pm

1 stop8h 13m

Great Falls

Sat 2/28

2:25 pm-10:46 pm

1 stop7h 21m

$518

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Thu 2/26

5:30 am-5:33 pm

2 stops13h 03m

Great Falls

Mon 3/2

6:20 pm-8:49 am

2 stops13h 29m

$519

HoustonGreat Falls

HOU - GTF

HOUGTF

Houston Hobby

Fri 5/15

9:57 am-6:12 pm

2 stops33h 15m

Great Falls

Mon 5/18

6:52 pm-9:26 am

2 stops13h 34m

$519

HoustonGreat Falls

HOU - GTF

HOUGTF

Houston Hobby

Tue 2/24

6:00 am-4:17 pm

2 stops11h 17m

Great Falls

Sat 2/28

6:28 pm-9:43 am

2 stops14h 15m

$551

HoustonGreat Falls

HOU - GTF

HOUGTF

Houston Hobby

Mon 2/23

4:21 pm-4:17 pm

2 stops24h 56m

Great Falls

Wed 2/25

6:28 pm-9:43 am

2 stops14h 15m

$596

HoustonGreat Falls

HOU - GTF

HOUGTF

Houston Hobby

Fri 2/27

4:21 pm-5:48 pm

2 stops26h 27m

Great Falls

Tue 3/3

4:57 pm-9:43 am

2 stops15h 46m

$628

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 13 results
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Best time to book a flight from Houston to Great Falls

Have a flexible travel schedule? Discover the best time to fly to Great Falls from Houston 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 Houston to Great Falls
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Houston 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?

    Located just 3.5 mi from the city center, Great Falls is the airport most travelers will use when flying to Great Falls from Houston. Booking flights from Houston to Great Falls (GTF) should be relatively easy as there are 0 daily inbound flights from Houston from 0 different airlines.

  • How long is the flight from Houston to Great Falls?

    A quick flight from Houston to Great Falls can take about 6h 27m. United Airlines provides one of the quickest options available for as low as $348. Houston and Great Falls are separated by a distance of 1478 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

  • How can I find direct flights from Houston to Great Falls?

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

  • Can I find deals for business class flights from Houston to Great Falls?

    Yes. Cheapflights offers flight deals from Houston 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.

See more FAQs

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