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Cheap flights from Great Falls to Houston from $210

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Great Falls to Houston departing on 8/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Great Falls to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:19 am - 12:22 pm
GTF
-
IAH
25h 03m
1 stop
Multiple Airlines Logo
1:22 pm - 9:29 am
IAH
-
GTF
21h 07m
1 stop
$294Multiple Airlines
Mon, Jul 27 - Thu, Aug 6
Multiple Airlines Logo
10:19 am - 12:22 pm
GTF
-
IAH
25h 03m
1 stop
Multiple Airlines Logo
2:54 pm - 8:28 pm
IAH
-
GTF
30h 34m
2 stops
$312Multiple Airlines
Mon, Jul 27 - Wed, Aug 5
Multiple Airlines Logo
10:24 am - 12:22 pm
GTF
-
IAH
24h 58m
1 stop
Multiple Airlines Logo
1:22 pm - 9:29 am
IAH
-
GTF
21h 07m
1 stop
$317Multiple Airlines
Fri, Jul 31 - Thu, Aug 6
Multiple Airlines Logo
10:19 am - 12:22 pm
GTF
-
IAH
25h 03m
1 stop
Multiple Airlines Logo
6:14 pm - 8:20 pm
IAH
-
GTF
27h 06m
2 stops
$327Multiple Airlines
Mon, Jul 27 - Sat, Aug 1
Multiple Airlines Logo
10:24 am - 12:22 pm
GTF
-
IAH
24h 58m
1 stop
Multiple Airlines Logo
2:54 pm - 8:28 pm
IAH
-
GTF
30h 34m
2 stops
$335Multiple Airlines
Fri, Jul 31 - Wed, Aug 5
Multiple Airlines Logo
10:24 am - 12:22 pm
GTF
-
IAH
24h 58m
1 stop
Multiple Airlines Logo
2:54 pm - 8:28 pm
IAH
-
GTF
30h 34m
2 stops
$336Multiple Airlines
Fri, Jul 31 - Wed, Aug 5
Multiple Airlines Logo
9:10 pm - 1:59 pm
GTF
-
IAH
15h 49m
1 stop
Multiple Airlines Logo
1:22 pm - 9:29 am
IAH
-
GTF
21h 07m
1 stop
$339Multiple Airlines
Sun, Aug 2 - Thu, Aug 6
Multiple Airlines Logo
9:10 pm - 1:59 pm
GTF
-
IAH
15h 49m
1 stop
Multiple Airlines Logo
1:22 pm - 9:29 am
IAH
-
GTF
21h 07m
1 stop
$341Multiple Airlines
Sun, Aug 2 - Thu, Aug 6
Multiple Airlines Logo
10:19 am - 12:22 pm
GTF
-
IAH
25h 03m
1 stop
Multiple Airlines Logo
6:30 am - 8:20 pm
IAH
-
GTF
14h 50m
2 stops
$344Multiple Airlines
Mon, Jul 27 - Sun, Aug 2
Multiple Airlines Logo
10:19 am - 12:22 pm
GTF
-
IAH
25h 03m
1 stop
Multiple Airlines Logo
6:30 am - 8:28 pm
IAH
-
GTF
14h 58m
2 stops
$345Multiple Airlines
Mon, Jul 27 - Thu, Aug 6

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

Our best United Airlines deals on Great Falls to Houston George Bush Intcntl Airport flight tickets
United Airlines
Jul 8
GTF12:30 pmGreat Falls
7h 20m
1 stop
IAH8:50 pmHouston George Bush Intcntl
Aug 1
IAH6:30 amHouston George Bush Intcntl
8h 11m
1 stop
GTF1:41 pmGreat Falls
$418
United Airlines
Jul 30
GTF2:37 pmGreat Falls
8h 22m
1 stop
IAH11:59 pmHouston George Bush Intcntl
Aug 3
IAH4:21 pmHouston George Bush Intcntl
6h 13m
1 stop
GTF9:34 pmGreat Falls
$426
United Airlines
Jul 30
GTF2:37 pmGreat Falls
8h 22m
1 stop
IAH11:59 pmHouston George Bush Intcntl
Aug 3
IAH4:21 pmHouston George Bush Intcntl
6h 13m
1 stop
GTF9:34 pmGreat Falls
$428

Delta flights from Great Falls to Houston George Bush Intcntl Airport

Our best Delta deals on Great Falls to Houston George Bush Intcntl Airport flight tickets
Delta
Jul 29
GTF6:25 pmGreat Falls
14h 34m
2 stops
IAH9:59 amHouston George Bush Intcntl
Aug 4
IAH7:20 amHouston George Bush Intcntl
11h 18m
2 stops
GTF5:38 pmGreat Falls
$463
Delta
Jul 30
GTF1:17 pmGreat Falls
7h 33m
1 stop
IAH9:50 pmHouston George Bush Intcntl
Aug 3
IAH7:20 amHouston George Bush Intcntl
11h 18m
2 stops
GTF5:38 pmGreat Falls
$474
Delta
Jul 29
GTF6:25 pmGreat Falls
18h 06m
1 stop
IAH1:31 pmHouston George Bush Intcntl
Aug 5
IAH7:20 amHouston George Bush Intcntl
11h 18m
2 stops
GTF5:38 pmGreat Falls
$482

momondo Fare Finder

 
Customize your flight search to find flights from Great Falls to Houston George Bush Intcntl Airport 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 July 2, 2026.
Use the filters below to find and compare flights from Great Falls to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Mon 7/27

10:19 am-12:22 pm

1 stop25h 03m

Houston George Bush Intcntl

Thu 8/6

1:22 pm-9:29 am

1 stop21h 07m

$294

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Mon 7/27

10:19 am-12:22 pm

1 stop25h 03m

Houston George Bush Intcntl

Wed 8/5

2:54 pm-8:28 pm

2 stops30h 34m

$312

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Fri 7/31

10:24 am-12:22 pm

1 stop24h 58m

Houston George Bush Intcntl

Thu 8/6

1:22 pm-9:29 am

1 stop21h 07m

$317

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Mon 7/27

10:19 am-12:22 pm

1 stop25h 03m

Houston George Bush Intcntl

Sat 8/1

6:14 pm-8:20 pm

2 stops27h 06m

$327

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Fri 7/31

10:24 am-12:22 pm

1 stop24h 58m

Houston George Bush Intcntl

Wed 8/5

2:54 pm-8:28 pm

2 stops30h 34m

$335

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Fri 7/31

10:24 am-12:22 pm

1 stop24h 58m

Houston George Bush Intcntl

Wed 8/5

2:54 pm-8:28 pm

2 stops30h 34m

$336
Quickest round-trip

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Sun 8/2

9:10 pm-1:59 pm

1 stop15h 49m

Houston George Bush Intcntl

Thu 8/6

1:22 pm-9:29 am

1 stop21h 07m

$339

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Sun 8/2

9:10 pm-1:59 pm

1 stop15h 49m

Houston George Bush Intcntl

Thu 8/6

1:22 pm-9:29 am

1 stop21h 07m

$341

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Mon 7/27

10:19 am-12:22 pm

1 stop25h 03m

Houston George Bush Intcntl

Sun 8/2

6:30 am-8:20 pm

2 stops14h 50m

$344

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Mon 7/27

10:19 am-12:22 pm

1 stop25h 03m

Houston George Bush Intcntl

Thu 8/6

6:30 am-8:28 pm

2 stops14h 58m

$345

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 Great Falls to Houston George Bush Intcntl Airport

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 month to fly to Houston George Bush Intcntl Airport?

The month of February is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Great Falls, with most prices found around $0. If you are unable to visit Houston George Bush Intcntl Airport during the month of February, then departing from Great Falls during the month July is also very affordable. Most momondo users find prices during this month for around $363.

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

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

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

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

Fastest flight time

6h 25m

Direct flights

None
The fastest flight from Great Falls to Houston George Bush Intcntl Airport takes 6h 25m
There are no direct flights from Great Falls to Houston George Bush Intcntl Airport. There are no popular flight routes from Great Falls to Houston George Bush Intcntl Airport.
Search flight deals

Frequently asked questions about flying from Great Falls to Houston George Bush Intcntl Airport

  • How far is Great Falls to Houston George Bush Intcntl by plane?

    Great Falls and Houston George Bush Intcntl are 1477.1 mi apart from one another. 6h 25m is a normal flight duration for this route.

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

    Prices for flights from Great Falls Airport to Houston George Bush Intcntl Airport were last updated today.

  • How many operators does momondo search for flights from Great Falls Airport to Houston George Bush Intcntl Airport?

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Great Falls Airport to Houston George Bush Intcntl Airport.

  • What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

    The travel and health documents required for your trip to Houston George Bush Intcntl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Houston George Bush Intcntl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Great Falls to Houston George Bush Intcntl Airport?

Best airlines flying from Great Falls to Houston George Bush Intcntl Airport

Compare and see reviews for airlines that fly from Great Falls to Houston George Bush Intcntl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $382Free CancellationRating
7.4
9,926 reviews
Search United Airlines flights

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Katy
The Woodlands
Humble
Conroe
Spring
Montgomery
Cypress
Jersey Village
Tomball
Livingston

Why use momondo?

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

It is quick and easy to find Great Falls to Houston flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Houston that suits you.

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

Yes. All flights to Houston from Great Falls on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Great Falls to Houston.

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

If you are simply researching potential flights to Houston, momondo offers a useful price alert feature which will track prices for flights to Houston from Great Falls and alert you when they change.

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