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$215+ 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — HOU
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$290
(Kiwi.com)

One-way from

$215
(Delta)

Popular in

June

Cheapest in

July
From Great Falls to Houston
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One-way flight from Great Falls to Houston
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High demand for flights, 10% potential price rise
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Cheapest flight prices on average. 4% potential price decrease ($18 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 September 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Mon 9/294:55 pmGTF - IAH
1 stop11h 55mMultiple Airlines
Thu 10/25:07 pmIAH - GTF
2 stops29h 30mMultiple Airlines
Deal found 9/15$290
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/291:05 pmGTF - IAH
2 stops9h 16mDelta
Thu 10/27:00 amIAH - GTF
2 stops11h 27mDelta
Deal found 9/15$754
This United Airlines deal was found by Cheapflights users on 9/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/297:00 amGTF - IAH
2 stops12h 44mUnited Airlines
Thu 10/28:15 amIAH - GTF
2 stops13h 56mUnited Airlines
Deal found 9/16$981

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 September 17, 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 - IAH

GTFIAH

Great Falls

Mon 9/29

4:55 pm-5:50 am

1 stop11h 55m

Houston George Bush Intcntl

Thu 10/2

5:07 pm-9:37 pm

2 stops29h 30m

$290

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Fri 1/23

5:18 pm-5:18 am

1 stop11h 00m

Houston George Bush Intcntl

Sun 2/1

7:30 am-4:28 pm

2 stops33h 58m

$401

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Fri 1/23

4:00 pm-11:59 pm

1 stop6h 59m

Houston George Bush Intcntl

Sun 2/1

7:35 am-3:20 pm

1 stop8h 45m

$418

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Fri 1/23

4:00 pm-11:59 pm

1 stop6h 59m

Houston George Bush Intcntl

Sun 2/1

7:35 am-3:20 pm

1 stop8h 45m

$418

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Tue 3/10

1:10 pm-9:40 pm

1 stop7h 30m

Houston George Bush Intcntl

Wed 3/11

11:55 am-5:44 pm

1 stop6h 49m

$456

Great FallsHouston

GTF - HOU

GTFHOU

Great Falls

Fri 1/23

6:15 pm-9:32 am

2 stops14h 17m

Houston Hobby

Sun 2/1

10:30 am-10:53 pm

2 stops13h 23m

$753

Great FallsHouston

GTF - HOU

GTFHOU

Great Falls

Mon 12/15

6:10 pm-9:44 am

2 stops14h 34m

$215

Great FallsHouston

GTF - HOU

GTFHOU

Great Falls

Mon 12/15

7:35 pm-11:46 pm

3 stops51h 11m

$1,401

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

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 $330). 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 September 17, 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
7,961 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

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
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

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
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

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 $753, Delta can have you in Houston from Great Falls in 14h 17m. Great Falls and Houston are separated by a distance of 1500 mi.

  • 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 $330). 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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Alternative routes for Great Falls to Houston

See prices for flight routes from nearby airports that may be better suited for you.
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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$147Average$511FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$382Average$596FlexibilityNo cancel feeOn-time69%

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