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$179+ 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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — HOU
Apr 21 — Apr 281
Tue 4/21
Tue 4/28
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 March 22, 2026.

This United Airlines deal was found by Cheapflights users on 3/20. 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 4/56:15 am
GTF
-
IAH
1 stop8h 05m
United Airlines
Thu 4/92:41 pm
IAH
-
GTF
1 stop7h 36m
United Airlines
Deal found 3/20$408
This Delta deal was found by Cheapflights users on 3/20. 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 4/55:30 am
GTF
-
IAH
1 stop5h 20m
Delta
Thu 4/911:39 am
IAH
-
GTF
2 stops11h 51m
Delta
Deal found 3/20$414
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/2411:42 am
GTF
-
IAH
1 stop16h 08m
Multiple Airlines
Thu 4/304:06 pm
IAH
-
GTF
2 stops19h 46m
Multiple Airlines
Deal found 3/19$425
This Delta deal was found by Cheapflights users on 3/17. 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 5/116:19 pm
GTF
-
HOU
2 stops14h 13m
Delta
Sat 5/166:00 am
HOU
-
GTF
2 stops12h 39m
Delta
Deal found 3/17$439
This United Airlines deal was found by Cheapflights users on 3/19. 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 5/22:35 pm
GTF
-
IAH
1 stop5h 56m
United Airlines
Tue 5/52:49 pm
IAH
-
GTF
1 stop7h 29m
United Airlines
Deal found 3/19$458
This United Airlines deal was found by Cheapflights users on 3/19. 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.
Mon 6/152:37 pm
GTF
-
IAH
1 stop5h 59m
United Airlines
Tue 6/307:20 am
IAH
-
GTF
1 stop7h 21m
United Airlines
Deal found 3/19$488
This Alaska Airlines deal was found by Cheapflights users on 3/18. 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.
Sat 5/26:15 pm
GTF
-
IAH
1 stop10h 01m
Alaska Airlines
Tue 5/55:00 am
IAH
-
GTF
2 stops13h 35m
Alaska Airlines
Deal found 3/18$544
This Delta deal was found by Cheapflights users on 3/21. 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 7/91:15 pm
GTF
-
IAH
1 stop7h 35m
Delta
Sun 7/127:35 am
IAH
-
GTF
1 stop5h 58m
Delta
Deal found 3/21$553
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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 4/246:15 pm
GTF
-
IAH
2 stops13h 05m
Alaska Airlines
Thu 4/306:00 am
IAH
-
GTF
2 stops12h 35m
Alaska Airlines
Deal found 3/19$564
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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 10/204:55 pm
GTF
-
IAH
1 stop24h 20m
Alaska Airlines
Sat 10/247:00 am
IAH
-
GTF
1 stop10h 13m
Alaska Airlines
Deal found 3/19$576
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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 4/246:15 pm
GTF
-
HOU
2 stops14h 11m
Alaska Airlines
Thu 4/306:01 am
HOU
-
GTF
2 stops12h 34m
Alaska Airlines
Deal found 3/19$673
This Alaska Airlines deal was found by Cheapflights users on 3/18. 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.
Sat 5/26:15 pm
GTF
-
HOU
2 stops14h 11m
Alaska Airlines
Tue 5/56:01 am
HOU
-
GTF
2 stops12h 34m
Alaska Airlines
Deal found 3/18$706

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 March 22, 2026.

Round-trip from

$358
(United Airlines)

One-way from

$179
(United Airlines)

Popular in

March

Cheapest in

April

Average price

$812
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 March 2026
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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 March 22, 2026.
Use the filters below to find and compare flights from Great Falls to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Sun 4/5

6:15 am-3:20 pm

1 stop8h 05m

Houston George Bush Intcntl

Thu 4/9

2:41 pm-9:17 pm

1 stop7h 36m

$408

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Sun 4/5

5:30 am-11:50 am

1 stop5h 20m

Houston George Bush Intcntl

Thu 4/9

11:39 am-10:30 pm

2 stops11h 51m

$414

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Fri 4/24

11:42 am-4:50 am

1 stop16h 08m

Houston George Bush Intcntl

Thu 4/30

4:06 pm-10:52 am

2 stops19h 46m

$425

Great FallsHouston

GTF - HOU

GTFHOU

Great Falls

Mon 5/11

6:19 pm-9:32 am

2 stops14h 13m

Houston Hobby

Sat 5/16

6:00 am-5:39 pm

2 stops12h 39m

$439
Quickest round-trip

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Sat 5/2

2:35 pm-9:31 pm

1 stop5h 56m

Houston George Bush Intcntl

Tue 5/5

2:49 pm-9:18 pm

1 stop7h 29m

$458

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Fri 4/24

6:15 pm-8:20 am

2 stops13h 05m

Houston George Bush Intcntl

Thu 4/30

6:00 am-5:35 pm

2 stops12h 35m

$564

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Sat 5/2

6:15 pm-8:20 am

2 stops13h 05m

Houston George Bush Intcntl

Tue 5/5

6:00 am-5:35 pm

2 stops12h 35m

$604

Great FallsHouston

GTF - HOU

GTFHOU

Great Falls

Fri 4/24

6:15 pm-9:26 am

2 stops14h 11m

Houston Hobby

Thu 4/30

6:01 am-5:35 pm

2 stops12h 34m

$673

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Thu 7/9

1:15 pm-11:56 pm

2 stops9h 41m

Houston George Bush Intcntl

Sun 7/12

7:35 am-12:33 pm

1 stop5h 58m

$689

Great FallsHouston

GTF - HOU

GTFHOU

Great Falls

Sat 5/2

6:15 pm-9:26 am

2 stops14h 11m

Houston Hobby

Tue 5/5

6:01 am-5:35 pm

2 stops12h 34m

$706

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/22

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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.

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 March 22, 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
8,319 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

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
8,319 reviews
Delta
7.9
Good
8,319 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

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
9,460 reviews
Delta
7.9
Good
8,319 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

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 $389, United Airlines can have you in Houston from Great Falls in 7h 25m. 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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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 March 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$147Average$466FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$382Average$562FlexibilityNo cancel feeOn-time69%

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