Cheap flights from Great Falls to Houston from $155

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 3/2. 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
0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
5:18 pm - 5:55 am
GTF
-
IAH
11h 37m
1 stop
Multiple Airlines Logo
10:12 pm - 4:28 pm
IAH
-
GTF
19h 16m
1 stop
$379Multiple Airlines
Fri, Feb 6 - Sun, Feb 8
Multiple Airlines Logo
5:18 pm - 11:39 pm
GTF
-
IAH
29h 21m
2 stops
Multiple Airlines Logo
10:12 pm - 4:28 pm
IAH
-
GTF
19h 16m
1 stop
$397Multiple Airlines
Fri, Feb 6 - Sun, Feb 8
Delta Logo
5:25 am - 11:59 am
GTF
-
IAH
5h 34m
1 stop
Delta Logo
7:20 am - 12:32 pm
IAH
-
GTF
6h 12m
1 stop
$408Delta
Thu, Feb 5 - Sun, Feb 8
Delta Logo
6:15 pm - 8:49 am
GTF
-
IAH
13h 34m
2 stops
Delta Logo
7:20 am - 12:32 pm
IAH
-
GTF
6h 12m
1 stop
$414Delta
Thu, Feb 5 - Sun, Feb 8
Delta Logo
1:10 pm - 9:38 pm
GTF
-
IAH
7h 28m
1 stop
Delta Logo
11:55 am - 5:39 pm
IAH
-
GTF
6h 44m
1 stop
$434Delta
Tue, Jun 2 - Mon, Jun 8
Delta Logo
6:20 pm - 8:41 am
GTF
-
IAH
13h 21m
2 stops
Delta Logo
11:55 am - 5:39 pm
IAH
-
GTF
6h 44m
1 stop
$440Delta
Tue, Jun 2 - Mon, Jun 8
United Airlines Logo
2:30 pm - 11:14 pm
GTF
-
IAH
7h 44m
1 stop
United Airlines Logo
10:15 pm - 1:31 pm
IAH
-
GTF
16h 16m
1 stop
$537United Airlines
Thu, Apr 2 - Mon, Apr 6
Delta Logo
5:30 am - 11:50 am
GTF
-
IAH
5h 20m
1 stop
Delta Logo
7:35 am - 12:24 pm
IAH
-
GTF
5h 49m
1 stop
$563Delta
Thu, Apr 2 - Mon, Apr 6
United Airlines Logo
2:25 pm - 11:59 pm
GTF
-
IAH
8h 34m
1 stop
United Airlines Logo
6:30 am - 1:43 pm
IAH
-
GTF
8h 13m
1 stop
$592United Airlines
Thu, Feb 12 - Sun, Feb 15
Delta Logo
5:30 am - 11:50 am
GTF
-
IAH
5h 20m
1 stop
Delta Logo
7:35 am - 12:24 pm
IAH
-
GTF
5h 49m
1 stop
$601Delta
Sun, Apr 5 - Sun, Apr 12

Delta flights from Great Falls to Houston

Our best Delta deals on Great Falls to Houston flight tickets
Delta
Apr 1
GTF1:05 pmGreat Falls
7h 31m
1 stop
IAH9:36 pmHouston George Bush Intcntl
Apr 2
IAH7:35 amHouston George Bush Intcntl
5h 49m
1 stop
GTF12:24 pmGreat Falls
$293
Delta
Apr 1
GTF1:05 pmGreat Falls
7h 31m
1 stop
IAH9:36 pmHouston George Bush Intcntl
Apr 2
IAH6:45 amHouston George Bush Intcntl
11h 57m
2 stops
GTF5:42 pmGreat Falls
$299
Delta
Feb 5
GTF5:25 amGreat Falls
5h 34m
1 stop
IAH11:59 amHouston George Bush Intcntl
Feb 8
IAH7:20 amHouston George Bush Intcntl
6h 12m
1 stop
GTF12:32 pmGreat Falls
$408

Alaska Airlines flights from Great Falls to Houston

Our best Alaska Airlines deals on Great Falls to Houston flight tickets
Alaska Airlines
Apr 2
GTF5:06 pmGreat Falls
11h 15m
1 stop
IAH5:21 amHouston George Bush Intcntl
Apr 6
IAH7:00 amHouston George Bush Intcntl
10h 26m
1 stop
GTF4:26 pmGreat Falls
$621
Alaska Airlines
Jun 2
GTF6:52 pmGreat Falls
17h 41m
2 stops
IAH1:33 pmHouston George Bush Intcntl
Jun 8
IAH6:18 pmHouston George Bush Intcntl
24h 54m
2 stops
GTF6:12 pmGreat Falls
$650
Alaska Airlines
Apr 2
GTF5:06 pmGreat Falls
11h 15m
1 stop
IAH5:21 amHouston George Bush Intcntl
Apr 6
IAH2:27 pmHouston George Bush Intcntl
26h 59m
2 stops
GTF4:26 pmGreat Falls
$714

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 January 21, 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

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Fri 2/6

5:18 pm-5:55 am

1 stop11h 37m

Houston George Bush Intcntl

Sun 2/8

10:12 pm-4:28 pm

1 stop19h 16m

$379

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Fri 2/6

5:18 pm-11:39 pm

2 stops29h 21m

Houston George Bush Intcntl

Sun 2/8

10:12 pm-4:28 pm

1 stop19h 16m

$397

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Thu 2/5

5:25 am-11:59 am

1 stop5h 34m

Houston George Bush Intcntl

Sun 2/8

7:20 am-12:32 pm

1 stop6h 12m

$408

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Thu 2/5

6:15 pm-8:49 am

2 stops13h 34m

Houston George Bush Intcntl

Sun 2/8

7:20 am-12:32 pm

1 stop6h 12m

$414

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Tue 6/2

1:10 pm-9:38 pm

1 stop7h 28m

Houston George Bush Intcntl

Mon 6/8

11:55 am-5:39 pm

1 stop6h 44m

$434

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Tue 6/2

6:20 pm-8:41 am

2 stops13h 21m

Houston George Bush Intcntl

Mon 6/8

11:55 am-5:39 pm

1 stop6h 44m

$440

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Thu 4/2

2:30 pm-11:14 pm

1 stop7h 44m

Houston George Bush Intcntl

Mon 4/6

10:15 pm-1:31 pm

1 stop16h 16m

$537

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Thu 4/2

5:30 am-11:50 am

1 stop5h 20m

Houston George Bush Intcntl

Mon 4/6

7:35 am-12:24 pm

1 stop5h 49m

$563

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Thu 2/12

2:25 pm-11:59 pm

1 stop8h 34m

Houston George Bush Intcntl

Sun 2/15

6:30 am-1:43 pm

1 stop8h 13m

$592

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Sun 4/5

5:30 am-11:50 am

1 stop5h 20m

Houston George Bush Intcntl

Sun 4/12

7:35 am-12:24 pm

1 stop5h 49m

$601

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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?

Delta is the most popular carrier 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

7h 19m

Direct flights

None
The fastest flight from Great Falls to Houston takes 7h 19m
There are no direct flights from Great Falls to Houston. There are no popular flight routes from Great Falls to Houston.
  • How far is Great Falls to Houston by plane?

    There are 1490.0 mi between Great Falls and Houston. 7h 19m 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
8,088 reviews
Search Delta flights
United AirlinesPriceFrom $382Free CancellationRating
7.4
9,191 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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1 adult
Fri 2/20
Fri 2/27

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