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Cheap flights from Great Falls to Houston from $179

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.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Great Falls to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:40 am - 11:47 am
GTF
-
IAH
5h 07m
1 stop
Delta Logo
12:17 pm - 5:43 pm
IAH
-
GTF
6h 26m
1 stop
$408Delta
Mon, Jul 20 - Fri, Jul 24
Delta Logo
5:30 am - 12:13 pm
GTF
-
IAH
5h 43m
1 stop
Delta Logo
7:45 am - 12:27 pm
IAH
-
GTF
5h 42m
1 stop
$413Delta
Sat, Apr 18 - Mon, Apr 27
Delta Logo
1:09 pm - 9:34 pm
GTF
-
IAH
7h 25m
1 stop
Delta Logo
6:25 am - 5:40 pm
IAH
-
GTF
12h 15m
2 stops
$419Delta
Thu, Apr 23 - Thu, Apr 30
United Airlines Logo
2:37 pm - 8:55 pm
GTF
-
IAH
5h 18m
1 stop
United Airlines Logo
3:00 pm - 9:34 pm
IAH
-
GTF
7h 34m
1 stop
$422United Airlines
Sat, Aug 1 - Sun, Aug 9
Delta Logo
1:09 pm - 9:34 pm
GTF
-
IAH
7h 25m
1 stop
Delta Logo
12:25 pm - 5:40 pm
IAH
-
GTF
6h 15m
1 stop
$428Delta
Wed, Apr 22 - Thu, Apr 30
Delta Logo
6:20 pm - 8:47 am
GTF
-
IAH
13h 27m
2 stops
Delta Logo
12:25 pm - 5:40 pm
IAH
-
GTF
6h 15m
1 stop
$434Delta
Wed, Apr 22 - Thu, Apr 30
Delta Logo
1:09 pm - 9:34 pm
GTF
-
IAH
7h 25m
1 stop
Delta Logo
12:25 pm - 5:40 pm
IAH
-
GTF
6h 15m
1 stop
$463Delta
Thu, Apr 23 - Thu, Apr 30
Delta Logo
5:30 am - 3:58 pm
GTF
-
IAH
9h 28m
2 stops
Delta Logo
7:45 am - 12:27 pm
IAH
-
GTF
5h 42m
1 stop
$474Delta
Sat, Apr 18 - Mon, Apr 27
United Airlines Logo
6:15 am - 1:28 pm
GTF
-
IAH
6h 13m
1 stop
United Airlines Logo
2:41 pm - 9:17 pm
IAH
-
GTF
7h 36m
1 stop
$498United Airlines
Tue, Apr 7 - Wed, Apr 8
Delta Logo
5:40 am - 6:52 pm
GTF
-
IAH
12h 12m
2 stops
Delta Logo
12:17 pm - 5:43 pm
IAH
-
GTF
6h 26m
1 stop
$499Delta
Mon, Jul 20 - Fri, Jul 24

Delta flights from Great Falls to Houston

Our best Delta deals on Great Falls to Houston flight tickets
Delta
Jul 20
GTF5:40 amGreat Falls
5h 07m
1 stop
IAH11:47 amHouston George Bush Intcntl
Jul 24
IAH12:17 pmHouston George Bush Intcntl
6h 26m
1 stop
GTF5:43 pmGreat Falls
$408
Delta
Apr 18
GTF5:30 amGreat Falls
5h 43m
1 stop
IAH12:13 pmHouston George Bush Intcntl
Apr 27
IAH7:45 amHouston George Bush Intcntl
5h 42m
1 stop
GTF12:27 pmGreat Falls
$413
Delta
Apr 23
GTF1:09 pmGreat Falls
7h 25m
1 stop
IAH9:34 pmHouston George Bush Intcntl
Apr 30
IAH6:25 amHouston George Bush Intcntl
12h 15m
2 stops
GTF5:40 pmGreat Falls
$419

Alaska Airlines flights from Great Falls to Houston

Our best Alaska Airlines deals on Great Falls to Houston flight tickets
Alaska Airlines
Apr 22
GTF6:15 pmGreat Falls
13h 05m
2 stops
IAH8:20 amHouston George Bush Intcntl
Apr 30
IAH6:09 pmHouston George Bush Intcntl
24h 26m
2 stops
GTF5:35 pmGreat Falls
$664
Alaska Airlines
Apr 18
GTF5:06 pmGreat Falls
19h 21m
2 stops
IAH1:27 pmHouston George Bush Intcntl
Apr 27
IAH6:18 pmHouston George Bush Intcntl
24h 17m
2 stops
GTF5:35 pmGreat Falls
$689
Alaska Airlines
Jul 20
GTF5:03 pmGreat Falls
19h 29m
2 stops
IAH1:32 pmHouston George Bush Intcntl
Jul 24
IAH6:19 pmHouston George Bush Intcntl
23h 04m
2 stops
GTF4:23 pmGreat Falls
$912

momondo 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, momondo users made 832,500 searches. Data last updated March 27, 2026.
Use the filters below to find and compare flights from Great Falls to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Mon 7/20

5:40 am-11:47 am

1 stop5h 07m

Houston George Bush Intcntl

Fri 7/24

12:17 pm-5:43 pm

1 stop6h 26m

$408
Quickest round-trip

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Sat 4/18

5:30 am-12:13 pm

1 stop5h 43m

Houston George Bush Intcntl

Mon 4/27

7:45 am-12:27 pm

1 stop5h 42m

$413

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Thu 4/23

1:09 pm-9:34 pm

1 stop7h 25m

Houston George Bush Intcntl

Thu 4/30

6:25 am-5:40 pm

2 stops12h 15m

$419

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Sat 8/1

2:37 pm-8:55 pm

1 stop5h 18m

Houston George Bush Intcntl

Sun 8/9

3:00 pm-9:34 pm

1 stop7h 34m

$422

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Wed 4/22

1:09 pm-9:34 pm

1 stop7h 25m

Houston George Bush Intcntl

Thu 4/30

12:25 pm-5:40 pm

1 stop6h 15m

$428

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Wed 4/22

6:20 pm-8:47 am

2 stops13h 27m

Houston George Bush Intcntl

Thu 4/30

12:25 pm-5:40 pm

1 stop6h 15m

$434

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Thu 4/23

1:09 pm-9:34 pm

1 stop7h 25m

Houston George Bush Intcntl

Thu 4/30

12:25 pm-5:40 pm

1 stop6h 15m

$463

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Sat 4/18

5:30 am-3:58 pm

2 stops9h 28m

Houston George Bush Intcntl

Mon 4/27

7:45 am-12:27 pm

1 stop5h 42m

$474

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Tue 4/7

6:15 am-1:28 pm

1 stop6h 13m

Houston George Bush Intcntl

Wed 4/8

2:41 pm-9:17 pm

1 stop7h 36m

$498

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Mon 7/20

5:40 am-6:52 pm

2 stops12h 12m

Houston George Bush Intcntl

Fri 7/24

12:17 pm-5:43 pm

1 stop6h 26m

$499

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Houston from

How to get the cheapest flight ticket from Great Falls to Houston

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 airline that flies from Great Falls to Houston?

United Airlines and Delta are the most popular carriers operating from Great Falls to Houston

Cheap Great Falls to Houston flight deals and tips

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

Fastest flight time

5h 18m

Direct flights

None
The fastest flight from Great Falls to Houston takes 5h 18m
There are no direct flights from Great Falls to Houston. There are no popular flight routes from Great Falls to Houston.
Search flight deals

  • How far is Great Falls to Houston by plane?

    There are 1490.0 mi between Great Falls and Houston. 5h 18m is a normal flight duration for this route.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Great Falls Airport to Houston.

  • What documentation or ID do you need to fly to Houston?

    The necessary travel and health documents for your Houston trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Great Falls to Houston

Compare and see reviews for airlines that fly from Great Falls to Houston with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $147Free CancellationRating
7.9
8,340 reviews
Search Delta flights
United AirlinesPriceFrom $382Free CancellationRating
7.4
9,491 reviews
Search United Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Great Falls to Houston. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Houston from Great Falls which offer a flexible booking policy as well as other useful filters and features.

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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