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$149+ Cheap flights from Great Falls (GTF) to Houston

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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — HOU
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
1 adult, Economy
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Cheap flight deals from Great Falls to Houston

Cheapest flights from Great Falls to Houston
Explore the most affordable flight options available from Great Falls to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 19, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
Sun 4/199:26 pm
GTF
-
IAH
1 stop15h 55m
Multiple Airlines
Sun 4/2610:42 am
IAH
-
GTF
1 stop10h 59m
Multiple Airlines
Deal found 2/18$283
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Tue 3/102:30 pm
GTF
-
IAH
1 stop5h 25m
United Airlines
Thu 3/128:15 am
IAH
-
GTF
1 stop6h 18m
United Airlines
Deal found 2/18$323
This United Airlines deal was found by Cheapflights users on 2/18. 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 4/112:30 pm
GTF
-
IAH
1 stop8h 29m
United Airlines
Sun 4/197:00 am
IAH
-
GTF
1 stop7h 31m
United Airlines
Deal found 2/18$338
This United Airlines deal was found by Cheapflights users on 2/18. 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 5/232:37 pm
GTF
-
IAH
1 stop8h 22m
United Airlines
Mon 5/256:30 am
IAH
-
GTF
1 stop8h 11m
United Airlines
Deal found 2/18$345
This Delta deal was found by Cheapflights users on 2/17. 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.
Sun 4/125:30 am
GTF
-
IAH
1 stop5h 20m
Delta
Mon 4/2012:25 pm
IAH
-
GTF
1 stop6h 15m
Delta
Deal found 2/17$350
This United Airlines deal was found by Cheapflights users on 2/17. 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.
Sun 4/122:30 pm
GTF
-
IAH
1 stop8h 29m
United Airlines
Sun 4/197:00 am
IAH
-
GTF
1 stop7h 31m
United Airlines
Deal found 2/17$359
This United Airlines deal was found by Cheapflights users on 2/15. 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.
Sun 3/12:25 pm
GTF
-
IAH
1 stop5h 25m
United Airlines
Fri 3/66:40 am
IAH
-
GTF
1 stop7h 53m
United Airlines
Deal found 2/15$364
This United Airlines deal was found by Cheapflights users on 2/17. 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.
Tue 2/242:25 pm
GTF
-
IAH
1 stop8h 34m
United Airlines
Thu 3/266:40 am
IAH
-
GTF
1 stop7h 53m
United Airlines
Deal found 2/17$368
This Delta deal was found by Cheapflights users on 2/17. 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.
Tue 2/246:20 pm
GTF
-
IAH
2 stops13h 29m
Delta
Thu 3/267:35 am
IAH
-
GTF
1 stop5h 49m
Delta
Deal found 2/17$374
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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 4/286:15 pm
GTF
-
IAH
1 stop10h 01m
Alaska Airlines
Sat 5/26:18 pm
IAH
-
GTF
2 stops24h 17m
Alaska Airlines
Deal found 2/18$375
This Delta deal was found by Cheapflights users on 2/18. 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 5/236:20 pm
GTF
-
HOU
2 stops13h 57m
Delta
Mon 5/256:00 am
HOU
-
GTF
2 stops12h 40m
Delta
Deal found 2/18$997
This Delta deal was found by Cheapflights users on 2/17. 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 3/26:20 pm
GTF
-
HOU
2 stops14h 41m
Delta
Thu 3/55:25 am
HOU
-
GTF
2 stops13h 08m
Delta
Deal found 2/17$1,024

Find flight deals from Great Falls to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Great Falls (GTF) to Houston (HO1). 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 19, 2026.

Round-trip from

$283
(Kiwi.com)

One-way from

$149
(United Airlines)

Popular in

March

Cheapest in

April

Average price

$473
From Great Falls to Houston
Search Deals
One-way flight from Great Falls to Houston
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Great Falls to Houston 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 19, 2026.
Use the filters below to find and compare flights from Great Falls to Houston that are best for you.

Fly from

Great Falls

Fly to

Houston

Route

Depart

Return

Price

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Tue 3/10

6:15 am-1:35 pm

1 stop6h 20m

Houston George Bush Intcntl

Sat 3/14

6:40 am-1:33 pm

1 stop7h 53m

$323

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Sun 4/12

5:30 am-11:50 am

1 stop5h 20m

Houston George Bush Intcntl

Sun 4/19

7:45 am-12:27 pm

1 stop5h 42m

$323

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Tue 3/10

2:30 pm-8:55 pm

1 stop5h 25m

Houston George Bush Intcntl

Thu 3/12

8:15 am-1:33 pm

1 stop6h 18m

$323

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Sat 4/11

2:30 pm-11:59 pm

1 stop8h 29m

Houston George Bush Intcntl

Sun 4/19

7:00 am-1:31 pm

1 stop7h 31m

$338

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Sat 5/23

2:37 pm-11:59 pm

1 stop8h 22m

Houston George Bush Intcntl

Mon 5/25

6:30 am-1:41 pm

1 stop8h 11m

$345

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Sun 4/12

5:30 am-11:50 am

1 stop5h 20m

Houston George Bush Intcntl

Mon 4/20

12:25 pm-5:40 pm

1 stop6h 15m

$350

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Sun 4/12

2:30 pm-11:59 pm

1 stop8h 29m

Houston George Bush Intcntl

Sun 4/19

7:00 am-1:31 pm

1 stop7h 31m

$359

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Sun 3/1

2:25 pm-8:50 pm

1 stop5h 25m

Houston George Bush Intcntl

Fri 3/6

6:40 am-1:33 pm

1 stop7h 53m

$364

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Tue 4/28

6:15 pm-5:16 am

1 stop10h 01m

Houston George Bush Intcntl

Sat 5/2

6:18 pm-5:35 pm

2 stops24h 17m

$375

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Sun 4/12

10:06 pm-6:02 pm

2 stops42h 56m

Houston George Bush Intcntl

Sun 4/19

10:49 am-8:41 pm

1 stop10h 52m

$387

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 35 results
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Best time to book a flight from Great Falls to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston 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

What is the cheapest month to book a flight from Great Falls to Houston?

Currently, August is the cheapest month in which you can book a flight from Great Falls to Houston (average of $147). Flying from Great Falls to Houston in September is currently the most expensive (average of $598). 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.

How much does it cost to fly round-trip from Great Falls to Houston?

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. 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 Houston. Reviews last updated February 19, 2026.
Read through reviews of airlines operating flights from Great Falls to Houston, 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
8,215 reviews

Entertainment

7.8

Comfort

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,215 reviews
Delta
7.9
Good
8,215 reviews

Entertainment

7.8

Comfort

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,325 reviews
Delta
7.9
Good
8,215 reviews

Entertainment

7.8

Comfort

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Great Falls to Houston. 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?

    Great Falls (GTF) is the airport you will fly out of if you book a flight from Great Falls to Houston. You should not have trouble finding flights to Houston from Great Falls; the airport handles an average of 0 outbound flights to Houston per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Great Falls airport to Houston. It is only a 3.5 mi journey to Great Falls (GTF) from Great Falls’s city center.

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

    For as low as $323, United Airlines can have you in Houston from Great Falls in 5h 20m. Great Falls and Houston 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.

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

    Cheapflights users have booked flights from Great Falls to Houston round-trip from $147. Another airline that can offer you cheap pricing is United Airlines. Delta is 68% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Great Falls to Houston 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?

    Currently, August is the cheapest month in which you can book a flight from Great Falls to Houston (average of $147). Flying from Great Falls to Houston in September is currently the most expensive (average of $598). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Great Falls to Houston

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Top 2 airlines flying from Great Falls to Houston

Discover the top 2 airlines that operate flights from Great Falls to Houston. 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 February 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$147Average$466FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$382Average$582FlexibilityNo cancel feeOn-time69%

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