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Cheap flights from Great Falls to Houston from $180

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 7/1. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
1:07 pm - 10:17 pm
GTF
-
IAH
8h 10m
1 stop
Delta Logo
7:35 am - 12:40 pm
IAH
-
GTF
6h 05m
1 stop
$348Delta
Thu, May 28 - Tue, Jun 9
Delta Logo
6:19 pm - 8:44 am
GTF
-
IAH
13h 25m
2 stops
Delta Logo
7:35 am - 12:40 pm
IAH
-
GTF
6h 05m
1 stop
$354Delta
Thu, May 28 - Tue, Jun 9
Delta Logo
5:40 am - 3:04 pm
GTF
-
IAH
8h 24m
2 stops
Delta Logo
7:25 am - 5:42 pm
IAH
-
GTF
11h 17m
2 stops
$359Delta
Tue, Jul 7 - Sat, Jul 11
Delta Logo
1:07 pm - 10:17 pm
GTF
-
IAH
8h 10m
1 stop
Delta Logo
7:45 am - 12:27 pm
IAH
-
GTF
5h 42m
1 stop
$378Delta
Mon, May 25 - Sat, May 30
Delta Logo
1:07 pm - 10:17 pm
GTF
-
IAH
8h 10m
1 stop
Delta Logo
7:10 am - 5:44 pm
IAH
-
GTF
11h 34m
2 stops
$379Delta
Sat, May 30 - Tue, Jun 9
Delta Logo
6:19 pm - 8:44 am
GTF
-
IAH
13h 25m
2 stops
Delta Logo
7:10 am - 5:44 pm
IAH
-
GTF
11h 34m
2 stops
$384Delta
Thu, May 28 - Thu, Jun 11
Multiple Airlines Logo
10:24 am - 12:33 pm
GTF
-
IAH
25h 09m
1 stop
Multiple Airlines Logo
6:14 pm - 9:28 am
IAH
-
GTF
40h 14m
2 stops
$385Multiple Airlines
Fri, May 29 - Wed, Jun 10
Multiple Airlines Logo
10:24 am - 11:19 pm
GTF
-
IAH
35h 55m
2 stops
Multiple Airlines Logo
8:53 pm - 9:28 am
IAH
-
GTF
13h 35m
1 stop
$391Multiple Airlines
Fri, May 29 - Sun, Jun 14
United Airlines Logo
2:37 pm - 11:06 pm
GTF
-
IAH
7h 29m
1 stop
United Airlines Logo
6:30 am - 1:41 pm
IAH
-
GTF
8h 11m
1 stop
$400United Airlines
Tue, Jul 7 - Sat, Jul 11
United Airlines Logo
2:37 pm - 11:06 pm
GTF
-
IAH
7h 29m
1 stop
United Airlines Logo
6:30 am - 1:41 pm
IAH
-
GTF
8h 11m
1 stop
$403United Airlines
Tue, Jul 7 - Sat, Jul 11

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

Our best Alaska Airlines deals on Great Falls to Houston George Bush Intcntl Airport flight tickets
Alaska Airlines
Jun 4
GTF6:52 pmGreat Falls
10h 31m
1 stop
IAH6:23 amHouston George Bush Intcntl
Jun 7
IAH6:00 amHouston George Bush Intcntl
13h 12m
1 stop
GTF6:12 pmGreat Falls
$433
Alaska Airlines
May 30
GTF6:52 pmGreat Falls
10h 31m
1 stop
IAH6:23 amHouston George Bush Intcntl
Jun 10
IAH8:00 amHouston George Bush Intcntl
9h 29m
1 stop
GTF4:29 pmGreat Falls
$460
Alaska Airlines
May 28
GTF6:52 pmGreat Falls
12h 46m
2 stops
IAH8:38 amHouston George Bush Intcntl
Jun 10
IAH8:00 amHouston George Bush Intcntl
9h 29m
1 stop
GTF4:29 pmGreat Falls
$479

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 7
GTF2:37 pmGreat Falls
7h 29m
1 stop
IAH11:06 pmHouston George Bush Intcntl
Jul 11
IAH6:30 amHouston George Bush Intcntl
8h 11m
1 stop
GTF1:41 pmGreat Falls
$400
United Airlines
Jul 7
GTF2:37 pmGreat Falls
7h 29m
1 stop
IAH11:06 pmHouston George Bush Intcntl
Jul 11
IAH6:30 amHouston George Bush Intcntl
8h 11m
1 stop
GTF1:41 pmGreat Falls
$403
United Airlines
May 22
GTF2:37 pmGreat Falls
5h 18m
1 stop
IAH8:55 pmHouston George Bush Intcntl
May 25
IAH6:30 amHouston George Bush Intcntl
8h 11m
1 stop
GTF1:41 pmGreat Falls
$408

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 May 12, 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

Thu 5/28

1:07 pm-10:17 pm

1 stop8h 10m

Houston George Bush Intcntl

Tue 6/9

7:35 am-12:40 pm

1 stop6h 05m

$348

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Thu 5/28

6:19 pm-8:44 am

2 stops13h 25m

Houston George Bush Intcntl

Tue 6/9

7:35 am-12:40 pm

1 stop6h 05m

$354

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Tue 7/7

5:40 am-3:04 pm

2 stops8h 24m

Houston George Bush Intcntl

Sat 7/11

7:25 am-5:42 pm

2 stops11h 17m

$359
Quickest round-trip

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Mon 5/25

1:07 pm-10:17 pm

1 stop8h 10m

Houston George Bush Intcntl

Sat 5/30

7:45 am-12:27 pm

1 stop5h 42m

$378

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Sat 5/30

1:07 pm-10:17 pm

1 stop8h 10m

Houston George Bush Intcntl

Tue 6/9

7:10 am-5:44 pm

2 stops11h 34m

$379

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Thu 5/28

6:19 pm-8:44 am

2 stops13h 25m

Houston George Bush Intcntl

Thu 6/11

7:10 am-5:44 pm

2 stops11h 34m

$384

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Fri 5/29

10:24 am-12:33 pm

1 stop25h 09m

Houston George Bush Intcntl

Wed 6/10

6:14 pm-9:28 am

2 stops40h 14m

$385

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Fri 5/29

10:24 am-11:19 pm

2 stops35h 55m

Houston George Bush Intcntl

Sun 6/14

8:53 pm-9:28 am

1 stop13h 35m

$391

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Tue 7/7

2:37 pm-11:06 pm

1 stop7h 29m

Houston George Bush Intcntl

Sat 7/11

6:30 am-1:41 pm

1 stop8h 11m

$400

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Tue 7/7

2:37 pm-11:06 pm

1 stop7h 29m

Houston George Bush Intcntl

Sat 7/11

6:30 am-1:41 pm

1 stop8h 11m

$403

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 typical price of a round-trip flight between Great Falls and Houston George Bush Intcntl Airport?

What is the cheapest month to fly to Houston George Bush Intcntl Airport?

The month of June 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 June, then departing from Great Falls during the month February is also very affordable. Most momondo users find prices during this month for around $0.

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 51m

Direct flights

None
The fastest flight from Great Falls to Houston George Bush Intcntl Airport takes 6h 51m
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 51m 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
9,701 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
Conroe
Humble
Spring
Cypress
Montgomery
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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