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 October 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 2025/26

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Find the cheapest flights from Great Falls to Houston

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Cheap round-trip flights

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1:10 pm - 9:40 pmGTF-IAH

7h 30m1 stop

7:45 am - 12:32 pmIAH-GTF

5h 47m1 stop

$328Delta

Find Deal

Tue, Mar 10 - Wed, Mar 11

1:10 pm - 9:40 pmGTF-IAH

7h 30m1 stop

6:30 am - 5:44 pmIAH-GTF

12h 14m2 stops

$334Delta

Find Deal

Tue, Mar 10 - Wed, Mar 11

1:10 pm - 9:40 pmGTF-IAH

7h 30m1 stop

11:55 am - 5:44 pmIAH-GTF

6h 49m1 stop

$375Delta

Find Deal

Mon, Mar 9 - Wed, Mar 11

1:10 pm - 9:40 pmGTF-IAH

7h 30m1 stop

6:30 am - 5:44 pmIAH-GTF

12h 14m2 stops

$381Delta

Find Deal

Mon, Mar 9 - Wed, Mar 11

1:10 pm - 9:40 pmGTF-IAH

7h 30m1 stop

7:45 am - 12:32 pmIAH-GTF

5h 47m1 stop

$398Delta

Find Deal

Mon, Mar 9 - Wed, Mar 11

1:10 pm - 9:40 pmGTF-IAH

7h 30m1 stop

6:30 am - 5:44 pmIAH-GTF

12h 14m2 stops

$404Delta

Find Deal

Mon, Mar 9 - Wed, Mar 11

5:18 pm - 6:20 amGTF-IAH

12h 02m2 stops

8:10 pm - 4:28 pmIAH-GTF

21h 18m2 stops

$406Multiple Airlines

Find Deal

Fri, Jan 23 - Sun, Feb 1

5:30 am - 12:28 pmGTF-IAH

5h 58m1 stop

7:45 am - 12:32 pmIAH-GTF

5h 47m1 stop

$422Delta

Find Deal

Fri, Jan 23 - Sun, Feb 1

8:00 pm - 11:59 pmGTF-IAH

26h 59m1 stop

7:00 am - 7:20 pmIAH-GTF

13h 20m1 stop

$442Alaska Airlines

Find Deal

Fri, Jan 23 - Sun, Feb 1

4:00 pm - 4:54 pmGTF-IAH

23h 54m2 stops

5:54 pm - 3:20 pmIAH-GTF

22h 26m2 stops

$538Alaska Airlines

Find Deal

Mon, Mar 9 - Wed, Mar 11

Delta flights from Great Falls to Houston

Our best Delta deals on Great Falls to Houston flight tickets

Delta

Mar 10

GTF1:10 pmGreat Falls

7h 30m

1 stop

IAH9:40 pmHouston George Bush Intcntl

Mar 11

IAH7:45 amHouston George Bush Intcntl

5h 47m

1 stop

GTF12:32 pmGreat Falls

$328

Find similar

Delta

Mar 10

GTF1:10 pmGreat Falls

7h 30m

1 stop

IAH9:40 pmHouston George Bush Intcntl

Mar 11

IAH6:30 amHouston George Bush Intcntl

12h 14m

2 stops

GTF5:44 pmGreat Falls

$334

Find similar

Delta

Mar 9

GTF1:10 pmGreat Falls

7h 30m

1 stop

IAH9:40 pmHouston George Bush Intcntl

Mar 11

IAH11:55 amHouston George Bush Intcntl

6h 49m

1 stop

GTF5:44 pmGreat Falls

$375

Find similar

Alaska Airlines flights from Great Falls to Houston

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

Alaska Airlines

Jan 23

GTF8:00 pmGreat Falls

26h 59m

1 stop

IAH11:59 pmHouston George Bush Intcntl

Feb 1

IAH7:00 amHouston George Bush Intcntl

13h 20m

1 stop

GTF7:20 pmGreat Falls

$442

Find similar

Alaska Airlines

Mar 9

GTF4:00 pmGreat Falls

23h 54m

2 stops

IAH4:54 pmHouston George Bush Intcntl

Mar 11

IAH5:54 pmHouston George Bush Intcntl

22h 26m

2 stops

GTF3:20 pmGreat Falls

$538

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Tue 3/10

1:10 pm-9:40 pm

1 stop7h 30m

Houston George Bush Intcntl

Wed 3/11

7:45 am-12:32 pm

1 stop5h 47m

$328

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Tue 3/10

1:10 pm-9:40 pm

1 stop7h 30m

Houston George Bush Intcntl

Wed 3/11

6:30 am-5:44 pm

2 stops12h 14m

$334

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Mon 3/9

1:10 pm-9:40 pm

1 stop7h 30m

Houston George Bush Intcntl

Wed 3/11

11:55 am-5:44 pm

1 stop6h 49m

$375

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Mon 3/9

1:10 pm-9:40 pm

1 stop7h 30m

Houston George Bush Intcntl

Wed 3/11

6:30 am-5:44 pm

2 stops12h 14m

$381

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Mon 3/9

1:10 pm-9:40 pm

1 stop7h 30m

Houston George Bush Intcntl

Wed 3/11

7:45 am-12:32 pm

1 stop5h 47m

$398

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Mon 3/9

1:10 pm-9:40 pm

1 stop7h 30m

Houston George Bush Intcntl

Wed 3/11

6:30 am-5:44 pm

2 stops12h 14m

$404

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Fri 1/23

5:18 pm-6:20 am

2 stops12h 02m

Houston George Bush Intcntl

Sun 2/1

8:10 pm-4:28 pm

2 stops21h 18m

$406

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Fri 1/23

5:30 am-12:28 pm

1 stop5h 58m

Houston George Bush Intcntl

Sun 2/1

7:45 am-12:32 pm

1 stop5h 47m

$422

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Fri 1/23

8:00 pm-11:59 pm

1 stop26h 59m

Houston George Bush Intcntl

Sun 2/1

7:00 am-7:20 pm

1 stop13h 20m

$442

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Mon 3/9

4:00 pm-4:54 pm

2 stops23h 54m

Houston George Bush Intcntl

Wed 3/11

5:54 pm-3:20 pm

2 stops22h 26m

$538

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. 5h 58m 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 October 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 7,984 reviews		Search Delta flights
United Airlines	PriceFrom $382	Free Cancellation	Rating 7.4 8,982 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.