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?

As of August 2025, there are 2 operators available to choose from 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.

$321 Cheap Flights from Great Falls to Houston in 2025

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Find the cheapest flights from Great Falls to Houston

Round-trip

One-way

Last minute

Cheap round-trip flights

4:29 pm - 6:24 amGTF-IAH

12h 55m1 stop

7:28 pm - 3:49 pmIAH-GTF

21h 21m1 stop

$519Alaska Airlines

Find Deal

Sun, Sep 21 - Sun, Sep 28

2:35 pm - 1:40 pmGTF-IAH

22h 05m2 stops

7:35 am - 9:28 pmIAH-GTF

14h 53m2 stops

$536United Airlines

Find Deal

Wed, Sep 3 - Wed, Sep 17

2:35 pm - 8:49 amGTF-IAH

17h 14m2 stops

2:51 pm - 9:28 pmIAH-GTF

7h 37m1 stop

$544United Airlines

Find Deal

Wed, Sep 3 - Wed, Sep 17

7:00 am - 11:10 pmGTF-IAH

15h 10m1 stop

9:57 pm - 1:37 pmIAH-GTF

16h 40m1 stop

$550United Airlines

Find Deal

Wed, Sep 3 - Wed, Sep 17

4:29 pm - 6:24 amGTF-IAH

12h 55m1 stop

5:59 pm - 3:49 pmIAH-GTF

22h 50m2 stops

$569Alaska Airlines

Find Deal

Sun, Sep 21 - Sun, Sep 28

1:10 pm - 9:35 pmGTF-IAH

7h 25m1 stop

7:45 am - 12:32 pmIAH-GTF

5h 47m1 stop

$608Delta

Find Deal

Sat, Jan 3 - Tue, Jan 6

1:10 pm - 9:35 pmGTF-IAH

7h 25m1 stop

6:30 am - 5:44 pmIAH-GTF

12h 14m2 stops

$627Delta

Find Deal

Sat, Jan 3 - Tue, Jan 6

4:29 pm - 4:59 pmGTF-IAH

23h 30m2 stops

5:59 pm - 3:49 pmIAH-GTF

22h 50m2 stops

$665Alaska Airlines

Find Deal

Sun, Sep 21 - Sun, Sep 28

5:45 am - 5:39 pmGTF-HOU

10h 54m2 stops

6:00 am - 5:26 pmHOU-GTF

12h 26m2 stops

$862Delta

Find Deal

Wed, Sep 3 - Sun, Sep 7

6:11 pm - 9:49 amGTF-HOU

14h 38m2 stops

6:00 am - 5:27 pmHOU-GTF

12h 27m2 stops

$1,379Delta

Find Deal

Sun, Sep 21 - Sun, Sep 28

Delta flights from Great Falls to Houston

Our best Delta deals on Great Falls to Houston flight tickets

Delta

Jan 3

GTF1:10 pmGreat Falls

7h 25m

1 stop

IAH9:35 pmHouston George Bush Intcntl

Jan 6

IAH7:45 amHouston George Bush Intcntl

5h 47m

1 stop

GTF12:32 pmGreat Falls

$608

Find similar

Delta

Aug 23

GTF5:45 amGreat Falls

5h 11m

1 stop

IAH11:56 amHouston George Bush Intcntl

Aug 26

IAH2:20 pmHouston George Bush Intcntl

7h 14m

1 stop

GTF8:34 pmGreat Falls

$611

Find similar

Delta

Aug 23

GTF5:45 amGreat Falls

5h 11m

1 stop

IAH11:56 amHouston George Bush Intcntl

Aug 26

IAH7:00 amHouston George Bush Intcntl

11h 26m

2 stops

GTF5:26 pmGreat Falls

$621

Find similar

Alaska Airlines flights from Great Falls to Houston

Our best Alaska Airlines deals on Great Falls to Houston flight tickets

Alaska Airlines

Sep 21

GTF4:29 pmGreat Falls

12h 55m

1 stop

IAH6:24 amHouston George Bush Intcntl

Sep 28

IAH7:28 pmHouston George Bush Intcntl

21h 21m

1 stop

GTF3:49 pmGreat Falls

$519

Find similar

Alaska Airlines

Sep 21

GTF4:29 pmGreat Falls

12h 55m

1 stop

IAH6:24 amHouston George Bush Intcntl

Sep 28

IAH5:59 pmHouston George Bush Intcntl

22h 50m

2 stops

GTF3:49 pmGreat Falls

$569

Find similar

Alaska Airlines

Sep 21

GTF4:29 pmGreat Falls

23h 30m

2 stops

IAH4:59 pmHouston George Bush Intcntl

Sep 28

IAH5:59 pmHouston George Bush Intcntl

22h 50m

2 stops

GTF3:49 pmGreat Falls

$665

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Sun 9/21

4:29 pm-6:24 am

1 stop12h 55m

Houston George Bush Intcntl

Sun 9/28

7:28 pm-3:49 pm

1 stop21h 21m

$519

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Wed 9/3

2:35 pm-1:40 pm

2 stops22h 05m

Houston George Bush Intcntl

Wed 9/17

7:35 am-9:28 pm

2 stops14h 53m

$536

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Wed 9/3

2:35 pm-8:49 am

2 stops17h 14m

Houston George Bush Intcntl

Wed 9/17

2:51 pm-9:28 pm

1 stop7h 37m

$544

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Wed 9/3

7:00 am-11:10 pm

1 stop15h 10m

Houston George Bush Intcntl

Wed 9/17

9:57 pm-1:37 pm

1 stop16h 40m

$550

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Sun 9/21

4:29 pm-6:24 am

1 stop12h 55m

Houston George Bush Intcntl

Sun 9/28

5:59 pm-3:49 pm

2 stops22h 50m

$569

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Sat 1/3

1:10 pm-9:35 pm

1 stop7h 25m

Houston George Bush Intcntl

Tue 1/6

7:45 am-12:32 pm

1 stop5h 47m

$608

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Sat 1/3

1:10 pm-9:35 pm

1 stop7h 25m

Houston George Bush Intcntl

Tue 1/6

6:30 am-5:44 pm

2 stops12h 14m

$627

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Sun 9/21

4:29 pm-4:59 pm

2 stops23h 30m

Houston George Bush Intcntl

Sun 9/28

5:59 pm-3:49 pm

2 stops22h 50m

$665

Great FallsHouston

GTF - HOU

GTFHOU

Great Falls

Wed 9/3

5:45 am-5:39 pm

2 stops10h 54m

Houston Hobby

Sun 9/7

6:00 am-5:26 pm

2 stops12h 26m

$862

Great FallsHouston

GTF - HOU

GTFHOU

Great Falls

Sun 9/21

6:11 pm-9:49 am

2 stops14h 38m

Houston Hobby

Sun 9/28

6:00 am-5:27 pm

2 stops12h 27m

$1,379

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 day to depart on your flight to Houston?

On average, the least expensive day to fly to Houston from Great Falls is on a Saturday. momondo users have found tickets for Saturday departures for as low as $377. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Houston on Friday is $612.

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

Our data shows that the cheapest Great Falls to Houston flights are usually those with departure times in the afternoon. Our users have found flights to Houston in the afternoon for as low as $567. Try not to purchase tickets at noon because they tend to be around $644. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Direct flights	None

There are no direct flights from Great Falls to Houston. There are no popular flight routes from Great Falls to Houston.

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How far is Great Falls to Houston by plane?
There are 1490.0 mi between Great Falls and Houston. 7h 25m 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?
As of August 2025, there are 2 operators available to choose from 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
Delta	PriceFrom $147	Free Cancellation	Rating 7.9 7,982 reviews		Search Delta flights
United Airlines	PriceFrom $431	Free Cancellation	Rating 7.4 8,928 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.