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$387+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — HOU
Aug 29 — Sep 51
Fri 8/29
Fri 9/5
1 adult, Economy
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Cheap 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 August 24, 2025.

Round-trip from

$387
(Delta)

Popular in

October

Cheapest in

July
From Great Falls to Houston
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($25 potential savings vs. average RT price).
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Find 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 August 24, 2025.

This Delta deal was found by Cheapflights users on 8/24. 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 9/236:11 pmGTF - HOU
2 stops14h 38mDelta
Tue 9/306:00 amHOU - GTF
2 stops12h 27mDelta
Deal found 8/24$387
This United Airlines deal was found by Cheapflights users on 8/24. 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 9/232:35 pmGTF - IAH
1 stop5h 43mUnited Airlines
Tue 9/302:50 pmIAH - GTF
1 stop7h 21mUnited Airlines
Deal found 8/24$399
This Delta deal was found by Cheapflights users on 8/24. 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 9/235:40 amGTF - IAH
1 stop5h 11mDelta
Tue 9/307:00 amIAH - GTF
2 stops11h 27mDelta
Deal found 8/24$416
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 10/161:05 pmGTF - IAH
2 stops33h 18mMultiple Airlines
Mon 10/209:32 amIAH - GTF
1 stop13h 00mMultiple Airlines
Deal found 8/23$470
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 9/234:29 pmGTF - IAH
2 stops23h 30mAlaska Airlines
Tue 9/305:59 pmIAH - GTF
2 stops22h 50mAlaska Airlines
Deal found 8/24$499
This United Airlines deal was found by Cheapflights users on 8/23. 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 10/162:31 pmGTF - IAH
1 stop7h 28mUnited Airlines
Mon 10/209:40 pmIAH - GTF
1 stop24h 31mUnited Airlines
Deal found 8/23$513

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 August 24, 2025.
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 - HOU

GTFHOU

Great Falls

Tue 9/23

6:11 pm-9:49 am

2 stops14h 38m

Houston Hobby

Tue 9/30

6:00 am-5:27 pm

2 stops12h 27m

$387

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Tue 9/23

2:35 pm-9:18 pm

1 stop5h 43m

Houston George Bush Intcntl

Tue 9/30

2:50 pm-9:11 pm

1 stop7h 21m

$399

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Tue 9/23

5:40 am-11:51 am

1 stop5h 11m

Houston George Bush Intcntl

Tue 9/30

7:00 am-5:27 pm

2 stops11h 27m

$416

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Thu 10/16

1:05 pm-11:23 pm

2 stops33h 18m

Houston George Bush Intcntl

Mon 10/20

9:32 am-9:32 pm

1 stop13h 00m

$470

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Tue 9/23

4:29 pm-4:59 pm

2 stops23h 30m

Houston George Bush Intcntl

Tue 9/30

5:59 pm-3:49 pm

2 stops22h 50m

$499

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Thu 10/16

2:31 pm-10:59 pm

1 stop7h 28m

Houston George Bush Intcntl

Mon 10/20

9:40 pm-9:11 pm

1 stop24h 31m

$513

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/24

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, September is the cheapest month in which you can book a flight from Great Falls to Houston (average of $230). Flying from Great Falls to Houston in March is currently the most expensive (average of $331). 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 August 24, 2025.
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
8.0
Very good
7,980 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

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!
United Airlines
7.4
Good
8,940 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

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 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 $399, Delta can have you in Houston from Great Falls in 5h 43m. 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, September is the cheapest month in which you can book a flight from Great Falls to Houston (average of $230). Flying from Great Falls to Houston in March is currently the most expensive (average of $331). 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

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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 August 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$147Average$511FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$431Average$628FlexibilityNo cancel feeOn-time69%

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