HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Houston

$338+ Cheap flights from Great Falls (GTF) to Houston

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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — HOU
Aug 17 — Aug 241
Mon 8/17
Mon 8/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Great Falls to Houston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 18, 2026.

This United Airlines deal was found by Cheapflights users on 7/15. 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.
Thu 10/222:37 pm
GTF
-
IAH
1 stop7h 22m
United Airlines
Sat 10/243:00 pm
IAH
-
GTF
1 stop7h 22m
United Airlines
Deal found 7/15$338
This Delta deal was found by Cheapflights users on 7/16. 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 8/131:08 pm
GTF
-
IAH
1 stop7h 42m
Delta
Wed 8/197:20 am
IAH
-
GTF
2 stops11h 18m
Delta
Deal found 7/16$344
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:51 am
GTF
-
IAH
2 stops25h 29m
Multiple Airlines
Sat 10/247:57 pm
IAH
-
GTF
1 stop14h 04m
Multiple Airlines
Deal found 7/15$352
This Orbitz deal was found by Cheapflights users on 7/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:19 pm
GTF
-
IAH
1 stop22h 54m
Alaska Airlines
Tue 9/222:34 pm
IAH
-
GTF
1 stop27h 05m
Alaska Airlines
Deal found 7/13$373
This Delta deal was found by Cheapflights users on 7/16. 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 8/131:08 pm
GTF
-
IAH
1 stop7h 42m
Delta
Tue 8/187:30 am
IAH
-
GTF
1 stop5h 58m
Delta
Deal found 7/16$403
This Delta deal was found by Cheapflights users on 7/16. 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 8/131:08 pm
GTF
-
IAH
1 stop7h 42m
Delta
Mon 8/177:20 am
IAH
-
GTF
2 stops11h 18m
Delta
Deal found 7/16$409
This Delta deal was found by Cheapflights users on 7/16. 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 8/131:08 pm
GTF
-
IAH
1 stop7h 42m
Delta
Thu 8/207:30 am
IAH
-
GTF
1 stop16h 08m
Delta
Deal found 7/16$437
This United Airlines deal was found by Cheapflights users on 7/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/32:37 pm
GTF
-
IAH
1 stop8h 22m
United Airlines
Wed 10/76:20 am
IAH
-
GTF
1 stop8h 21m
United Airlines
Deal found 7/12$438
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 8/310:19 am
GTF
-
IAH
2 stops50h 40m
Multiple Airlines
Thu 8/68:43 pm
IAH
-
GTF
1 stop13h 46m
Multiple Airlines
Deal found 7/13$444
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 8/1410:19 am
GTF
-
IAH
1 stop25h 08m
Multiple Airlines
Sun 8/166:14 pm
IAH
-
GTF
2 stops16h 15m
Multiple Airlines
Deal found 7/16$446
This Alaska Airlines deal was found by Cheapflights users on 7/13. 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 9/175:19 pm
GTF
-
HOU
2 stops14h 37m
Alaska Airlines
Tue 9/221:56 pm
HOU
-
GTF
2 stops27h 43m
Alaska Airlines
Deal found 7/13$582
This Alaska Airlines deal was found by Cheapflights users on 7/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:15 pm
GTF
-
HOU
2 stops15h 06m
Alaska Airlines
Sat 10/246:00 am
HOU
-
GTF
2 stops11h 35m
Alaska Airlines
Deal found 7/15$627

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 July 18, 2026.

Round-trip from

$338
(United Airlines)
From Great Falls to Houston
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 July 18, 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

Thu 10/22

2:37 pm-10:59 pm

1 stop7h 22m

Houston George Bush Intcntl

Sat 10/24

3:00 pm-9:22 pm

1 stop7h 22m

$338

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Sat 10/3

2:37 pm-11:59 pm

1 stop8h 22m

Houston George Bush Intcntl

Wed 10/7

6:20 am-1:41 pm

1 stop8h 21m

$438
Quickest round-trip

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Tue 9/1

2:25 pm-9:41 pm

1 stop6h 16m

Houston George Bush Intcntl

Sat 9/5

3:00 pm-9:12 pm

1 stop7h 12m

$438

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Sat 12/5

2:25 pm-10:45 pm

1 stop7h 20m

Houston George Bush Intcntl

Wed 12/9

2:48 pm-9:20 pm

1 stop7h 32m

$438

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Thu 8/13

1:08 pm-9:50 pm

1 stop7h 42m

Houston George Bush Intcntl

Sun 8/16

7:30 am-10:38 pm

1 stop16h 08m

$481

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Thu 9/17

5:40 am-3:10 pm

2 stops8h 30m

Houston George Bush Intcntl

Tue 9/22

11:26 am-10:42 pm

2 stops12h 16m

$514

Great FallsHouston

GTF - HOU

GTFHOU

Great Falls

Thu 9/17

5:19 pm-8:56 am

2 stops14h 37m

Houston Hobby

Tue 9/22

1:56 pm-4:39 pm

2 stops27h 43m

$582

Great FallsHouston

GTF - HOU

GTFHOU

Great Falls

Thu 10/22

5:15 pm-9:21 am

2 stops15h 06m

Houston Hobby

Sat 10/24

6:00 am-4:35 pm

2 stops11h 35m

$627

Great FallsHouston

GTF - HOU

GTFHOU

Great Falls

Thu 9/17

5:19 pm-8:56 am

2 stops14h 37m

Houston Hobby

Mon 9/21

6:04 am-4:39 pm

2 stops11h 35m

$679

Great FallsHouston

GTF - HOU

GTFHOU

Great Falls

Fri 8/14

5:09 pm-9:03 am

2 stops14h 54m

Houston Hobby

Thu 8/20

12:57 pm-4:38 pm

2 stops28h 41m

$731

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/15

Showing 1-10 of 18 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

No data available for this route at this time. Please check back soon.

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 July 18, 2026.
Read through reviews of airlines operating flights from Great Falls to Houston, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,997 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
United Airlines
7.4
Good
9,997 reviews
United Airlines
7.4
Good
9,997 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours

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 1 airline has 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 $338, United Airlines can have you in Houston from Great Falls in 7h 22m. 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 is the cheapest airline to fly from Great Falls to Houston round-trip?

    Cheapflights users have booked flights from Great Falls to Houston round-trip from $382.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Great Falls to Houston

Discover the top airline 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 July 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$382Average$597FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.