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$302+ Cheap flights from Houston to Great Falls (GTF)

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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — GTF
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Find flight deals from Houston to Great Falls

Cheapest flights from Houston to Great Falls
Explore the most affordable flight options available from Houston to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/206:21 pmIAH - GTF
1 stop16h 45mMultiple Airlines
Wed 11/262:52 pmGTF - IAH
2 stops25h 18mMultiple Airlines
Deal found 10/26$302
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 12/183:55 pmIAH - GTF
2 stops30h 40mMultiple Airlines
Mon 1/510:25 pmGTF - IAH
1 stop29h 16mMultiple Airlines
Deal found 10/27$303
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/206:21 pmIAH - GTF
1 stop16h 45mMultiple Airlines
Sun 11/3010:25 pmGTF - IAH
2 stops17h 45mMultiple Airlines
Deal found 10/26$309
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/239:33 pmIAH - GTF
1 stop13h 33mMultiple Airlines
Wed 11/262:52 pmGTF - IAH
2 stops25h 18mMultiple Airlines
Deal found 10/26$353
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/239:33 pmIAH - GTF
1 stop13h 33mMultiple Airlines
Sun 11/3010:25 pmGTF - IAH
2 stops17h 45mMultiple Airlines
Deal found 10/26$361
This Delta deal was found by Cheapflights users on 10/26. 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 12/611:36 amIAH - GTF
1 stop6h 52mDelta
Thu 12/181:12 pmGTF - IAH
1 stop7h 24mDelta
Deal found 10/26$375
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 11/187:00 amIAH - GTF
1 stop12h 10mAlaska Airlines
Tue 12/27:35 pmGTF - IAH
1 stop27h 24mAlaska Airlines
Deal found 10/26$412
This Delta deal was found by Cheapflights users on 10/26. 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.
Wed 11/196:00 amHOU - GTF
2 stops12h 30mDelta
Thu 11/275:30 amGTF - HOU
2 stops16h 37mDelta
Deal found 10/26$627
This Delta deal was found by Cheapflights users on 10/27. 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 11/156:00 amHOU - GTF
2 stops12h 30mDelta
Sat 11/226:10 pmGTF - HOU
2 stops14h 35mDelta
Deal found 10/27$633
This Delta deal was found by Cheapflights users on 10/26. 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.
Wed 11/196:00 amHOU - GTF
2 stops12h 30mDelta
Wed 11/261:12 pmGTF - HOU
2 stops19h 24mDelta
Deal found 10/26$641
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 12/165:44 amHOU - GTF
2 stops14h 11mAlaska Airlines
Sat 12/207:21 pmGTF - HOU
2 stops13h 22mAlaska Airlines
Deal found 10/29$902
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 11/16:00 amHOU - GTF
2 stops13h 10mAlaska Airlines
Sat 11/86:50 pmGTF - HOU
2 stops15h 50mAlaska Airlines
Deal found 10/27$998

Cheap flight deals from Houston to Great Falls

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Great Falls (GTF). 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 October 29, 2025.

Round-trip from

$302
(Kiwi.com)

Popular in

October

Cheapest in

May

Average price

$923
From Houston to Great Falls
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($131 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston to Great Falls 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 October 29, 2025.
Use the filters below to find and compare flights from Houston to Great Falls that are best for you.

Fly from

Houston

Fly to

Great Falls

Route

Depart

Return

Price

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Sat 12/6

11:36 am-5:28 pm

1 stop6h 52m

Great Falls

Thu 12/18

1:12 pm-9:36 pm

1 stop7h 24m

$375

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Thu 2/5

7:00 am-7:20 pm

1 stop13h 20m

Great Falls

Thu 2/12

4:00 pm-11:59 pm

1 stop6h 59m

$422

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Tue 11/18

7:26 pm-6:10 pm

1 stop23h 44m

Great Falls

Tue 12/2

7:35 pm-4:55 pm

2 stops20h 20m

$456

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Wed 11/19

7:00 am-6:10 pm

1 stop12h 10m

Great Falls

Tue 12/2

7:35 pm-4:55 pm

2 stops20h 20m

$456

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Thu 11/20

7:40 am-12:32 pm

1 stop5h 52m

Great Falls

Thu 11/27

5:30 am-5:48 pm

2 stops11h 18m

$461

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Fri 4/3

7:35 am-3:20 pm

1 stop8h 45m

Great Falls

Tue 4/7

4:00 pm-11:58 pm

1 stop6h 58m

$466

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Fri 4/3

7:35 am-3:20 pm

1 stop8h 45m

Great Falls

Tue 4/7

4:00 pm-11:58 pm

1 stop6h 58m

$466

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Fri 4/3

11:55 am-5:44 pm

1 stop6h 49m

Great Falls

Tue 4/7

6:15 pm-8:51 am

2 stops13h 36m

$472

HoustonGreat Falls

HOU - GTF

HOUGTF

Houston Hobby

Wed 11/19

6:00 am-5:30 pm

2 stops12h 30m

Great Falls

Thu 11/27

5:30 am-11:07 pm

2 stops16h 37m

$627

HoustonGreat Falls

HOU - GTF

HOUGTF

Houston Hobby

Sat 11/15

6:00 am-5:30 pm

2 stops12h 30m

Great Falls

Sat 11/22

6:10 pm-9:45 am

2 stops14h 35m

$633

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 19 results
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Best time to book a flight from Houston to Great Falls

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

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

Currently, May is the cheapest month in which you can book a flight from Houston to Great Falls (average of $165). Flying from Houston to Great Falls in February is currently the most expensive (average of $752). 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.

Related info for your journey

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

    Located just 3.5 mi from the city center, Great Falls is the airport most travelers will use when flying to Great Falls from Houston. Booking flights from Houston to Great Falls (GTF) should be relatively easy as there are 0 daily inbound flights from Houston from 0 different airlines.

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

    A quick flight from Houston to Great Falls can take about 6h 52m. Delta provides one of the quickest options available for as low as $375. Houston and Great Falls 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.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Houston to Great Falls (average of $165). Flying from Houston to Great Falls in February is currently the most expensive (average of $752). 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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