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Cheap flights from Houston George Bush Intcntl Airport to Great Falls from $124

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston George Bush Intcntl Airport to Great Falls departing on 12/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Houston George Bush Intcntl Airport to Great Falls

Cheap round-trip flights

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Multiple Airlines Logo
7:13 am - 2:02 pmIAH-GTF
7h 49m1 stop
Multiple Airlines Logo
10:25 pm - 6:29 pmGTF-IAH
43h 04m2 stops
$320Multiple Airlines
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Wed, Nov 26 - Sun, Nov 30
Multiple Airlines Logo
7:13 am - 2:02 pmIAH-GTF
7h 49m1 stop
Multiple Airlines Logo
10:25 pm - 1:57 pmGTF-IAH
14h 32m1 stop
$337Multiple Airlines
Find Deal
Wed, Nov 26 - Sun, Nov 30
Alaska Airlines Logo
5:57 pm - 6:41 pmIAH-GTF
25h 44m2 stops
Alaska Airlines Logo
7:21 pm - 5:40 amGTF-IAH
9h 19m1 stop
$462Alaska Airlines
Find Deal
Wed, Dec 31 - Tue, Jan 6
Alaska Airlines Logo
7:35 am - 3:20 pmIAH-GTF
8h 45m1 stop
Alaska Airlines Logo
4:00 pm - 11:58 pmGTF-IAH
6h 58m1 stop
$466Alaska Airlines
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Fri, Apr 3 - Tue, Apr 7
Multiple Airlines Logo
5:00 am - 2:02 pmIAH-GTF
10h 02m2 stops
Multiple Airlines Logo
10:25 pm - 5:10 pmGTF-IAH
17h 45m2 stops
$471Multiple Airlines
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Wed, Nov 26 - Sun, Nov 30
Delta Logo
11:55 am - 5:44 pmIAH-GTF
6h 49m1 stop
Delta Logo
6:15 pm - 9:36 amGTF-IAH
14h 21m2 stops
$482Delta
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Fri, Apr 3 - Tue, Apr 7
Delta Logo
11:55 am - 5:44 pmIAH-GTF
6h 49m1 stop
Delta Logo
6:15 pm - 9:36 amGTF-IAH
14h 21m2 stops
$502Delta
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Fri, Apr 3 - Tue, Apr 7
Alaska Airlines Logo
5:57 pm - 6:41 pmIAH-GTF
25h 44m2 stops
Alaska Airlines Logo
7:21 pm - 4:55 pmGTF-IAH
20h 34m2 stops
$504Alaska Airlines
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Wed, Dec 31 - Tue, Jan 6
Alaska Airlines Logo
7:01 am - 6:41 pmIAH-GTF
12h 40m1 stop
Alaska Airlines Logo
7:21 pm - 5:40 amGTF-IAH
9h 19m1 stop
$507Alaska Airlines
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Wed, Dec 31 - Tue, Jan 6
United Airlines Logo
7:20 am - 1:33 pmIAH-GTF
7h 13m1 stop
United Airlines Logo
2:30 pm - 10:51 pmGTF-IAH
7h 21m1 stop
$558United Airlines
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Fri, Nov 21 - Tue, Nov 25

Alaska Airlines flights from Houston George Bush Intcntl Airport to Great Falls

Our best Alaska Airlines deals on Houston George Bush Intcntl Airport to Great Falls flight tickets
Alaska Airlines
Dec 31
IAH5:57 pmHouston George Bush Intcntl
25h 44m
2 stops
GTF6:41 pmGreat Falls
Jan 6
GTF7:21 pmGreat Falls
9h 19m
1 stop
IAH5:40 amHouston George Bush Intcntl
$462
Find similar
Alaska Airlines
Apr 3
IAH7:35 amHouston George Bush Intcntl
8h 45m
1 stop
GTF3:20 pmGreat Falls
Apr 7
GTF4:00 pmGreat Falls
6h 58m
1 stop
IAH11:58 pmHouston George Bush Intcntl
$466
Find similar
Alaska Airlines
Dec 31
IAH5:57 pmHouston George Bush Intcntl
25h 44m
2 stops
GTF6:41 pmGreat Falls
Jan 6
GTF7:21 pmGreat Falls
20h 34m
2 stops
IAH4:55 pmHouston George Bush Intcntl
$504
Find similar

Delta flights from Houston George Bush Intcntl Airport to Great Falls

Our best Delta deals on Houston George Bush Intcntl Airport to Great Falls flight tickets
Delta
Apr 3
IAH11:55 amHouston George Bush Intcntl
6h 49m
1 stop
GTF5:44 pmGreat Falls
Apr 7
GTF6:15 pmGreat Falls
14h 21m
2 stops
IAH9:36 amHouston George Bush Intcntl
$482
Find similar
Delta
Apr 3
IAH11:55 amHouston George Bush Intcntl
6h 49m
1 stop
GTF5:44 pmGreat Falls
Apr 7
GTF6:15 pmGreat Falls
14h 21m
2 stops
IAH9:36 amHouston George Bush Intcntl
$502
Find similar
Delta
Apr 3
IAH9:40 amHouston George Bush Intcntl
14h 13m
2 stops
GTF10:53 pmGreat Falls
Apr 7
GTF6:15 pmGreat Falls
14h 21m
2 stops
IAH9:36 amHouston George Bush Intcntl
$587
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momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport 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, momondo users made 832,500 searches. Data last updated November 6, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Great Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Wed 11/26

7:13 am-2:02 pm

1 stop7h 49m

Great Falls

Sun 11/30

10:25 pm-6:29 pm

2 stops43h 04m

$320

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Wed 11/26

7:13 am-2:02 pm

1 stop7h 49m

Great Falls

Sun 11/30

10:25 pm-1:57 pm

1 stop14h 32m

$337

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Wed 12/31

5:57 pm-6:41 pm

2 stops25h 44m

Great Falls

Tue 1/6

7:21 pm-5:40 am

1 stop9h 19m

$462

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

Wed 11/26

5:00 am-2:02 pm

2 stops10h 02m

Great Falls

Sun 11/30

10:25 pm-5:10 pm

2 stops17h 45m

$471

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-9:36 am

2 stops14h 21m

$482

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-9:36 am

2 stops14h 21m

$502

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Wed 12/31

5:57 pm-6:41 pm

2 stops25h 44m

Great Falls

Tue 1/6

7:21 pm-4:55 pm

2 stops20h 34m

$504

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Wed 12/31

7:01 am-6:41 pm

1 stop12h 40m

Great Falls

Tue 1/6

7:21 pm-5:40 am

1 stop9h 19m

$507

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Fri 11/21

7:20 am-1:33 pm

1 stop7h 13m

Great Falls

Tue 11/25

2:30 pm-10:51 pm

1 stop7h 21m

$558

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to Great Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest time of day to depart on your flight to Great Falls?

According to our data, the cheapest time of day to fly to Great Falls is at noon. momondo users have found flights departing from Houston George Bush Intcntl Airport to Great Falls at noon for as low as $424. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $607 on average. Flights to Great Falls from Houston George Bush Intcntl Airport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Houston George Bush Intcntl Airport to Great Falls flights?

You could potentially save up to 10% on your flight if you consider stops on a Houston George Bush Intcntl Airport to Great Falls flight.

When to book flights from Houston George Bush Intcntl Airport to Great Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to Great Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Houston George Bush Intcntl Airport to Great Falls (IAH to GTF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston George Bush Intcntl Airport to Great Falls

Direct flights

None
There are no direct flights from Houston George Bush Intcntl Airport to Great Falls. There are no popular flight routes from Houston George Bush Intcntl Airport to Great Falls.
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  • How far is Houston George Bush Intcntl to Great Falls by plane?

    Great Falls is 1477.1 mi away from Houston George Bush Intcntl. Flights usually cover this in 6h 49m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Great Falls Airport?

    Prices for flights from Houston George Bush Intcntl Airport to Great Falls Airport are updated daily.

  • How old do you have to be to fly from Houston George Bush Intcntl Airport to Great Falls Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston George Bush Intcntl Airport to Great Falls Airport.

  • What documentation or ID do you need to fly to Great Falls Airport?

    The travel and health documents you'll need for your trip to Great Falls Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Great Falls Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Great Falls?

Book flights to Great Falls if you plan to visit one of these locations
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Why use momondo?

Why should I use momondo to find a flight deal from Houston to Great Falls?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Great Falls from Houston.

Can I find flights from Houston to Great Falls with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Houston to Great Falls flights to just show those with flexible booking policies.

How can momondo help me find flights from Houston to Great Falls?

Once all potential Houston to Great Falls flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Houston to Great Falls right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Houston to Great Falls flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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