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 December 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.

$314 Cheap Flights from Great Falls to Houston in 2025/26

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Find the cheapest flights from Great Falls to Houston

Round-trip

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Cheap round-trip flights

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10:25 pm - 11:58 pmGTF-IAH

24h 33m1 stop

8:59 pm - 9:35 pmIAH-GTF

25h 36m2 stops

$314Multiple Airlines

Find Deal

Mon, Dec 15 - Thu, Dec 18

10:25 pm - 4:41 amGTF-IAH

29h 16m1 stop

12:50 pm - 9:35 pmIAH-GTF

33h 45m2 stops

$334Multiple Airlines

Find Deal

Mon, Dec 15 - Thu, Dec 18

6:10 pm - 1:58 pmGTF-IAH

18h 48m2 stops

11:34 am - 5:30 pmIAH-GTF

6h 56m1 stop

$369Delta

Find Deal

Fri, Jan 9 - Tue, Jan 13

1:15 pm - 9:44 pmGTF-IAH

7h 29m1 stop

7:20 am - 12:33 pmIAH-GTF

6h 13m1 stop

$370Delta

Find Deal

Fri, Jan 9 - Tue, Jan 13

1:15 pm - 1:58 pmGTF-IAH

23h 43m2 stops

5:30 am - 5:30 pmIAH-GTF

13h 00m2 stops

$374Delta

Find Deal

Fri, Jan 9 - Tue, Jan 13

1:15 pm - 9:44 pmGTF-IAH

7h 29m1 stop

6:20 am - 5:30 pmIAH-GTF

12h 10m2 stops

$376Delta

Find Deal

Fri, Jan 9 - Tue, Jan 13

6:28 pm - 5:53 pmGTF-IAH

22h 25m2 stops

5:33 pm - 4:17 pmIAH-GTF

23h 44m2 stops

$410Alaska Airlines

Find Deal

Wed, Feb 18 - Wed, Feb 25

5:59 pm - 11:54 pmGTF-IAH

28h 55m1 stop

7:17 pm - 5:19 pmIAH-GTF

23h 02m1 stop

$412Alaska Airlines

Find Deal

Fri, Jan 9 - Tue, Jan 13

5:59 pm - 11:54 pmGTF-IAH

28h 55m1 stop

5:55 pm - 5:19 pmIAH-GTF

24h 24m2 stops

$417Alaska Airlines

Find Deal

Fri, Jan 9 - Tue, Jan 13

6:28 pm - 11:54 pmGTF-IAH

28h 26m1 stop

7:00 am - 5:48 pmIAH-GTF

11h 48m1 stop

$422Alaska Airlines

Find Deal

Wed, Feb 18 - Wed, Feb 25

Delta flights from Great Falls to Houston

Our best Delta deals on Great Falls to Houston flight tickets

Delta

Jan 9

GTF6:10 pmGreat Falls

18h 48m

2 stops

IAH1:58 pmHouston George Bush Intcntl

Jan 13

IAH11:34 amHouston George Bush Intcntl

6h 56m

1 stop

GTF5:30 pmGreat Falls

$369

Find similar

Delta

Jan 9

GTF1:15 pmGreat Falls

7h 29m

1 stop

IAH9:44 pmHouston George Bush Intcntl

Jan 13

IAH7:20 amHouston George Bush Intcntl

6h 13m

1 stop

GTF12:33 pmGreat Falls

$370

Find similar

Delta

Jan 9

GTF1:15 pmGreat Falls

23h 43m

2 stops

IAH1:58 pmHouston George Bush Intcntl

Jan 13

IAH5:30 amHouston George Bush Intcntl

13h 00m

2 stops

GTF5:30 pmGreat Falls

$374

Find similar

Alaska Airlines flights from Great Falls to Houston

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

Alaska Airlines

Feb 18

GTF6:28 pmGreat Falls

22h 25m

2 stops

IAH5:53 pmHouston George Bush Intcntl

Feb 25

IAH5:33 pmHouston George Bush Intcntl

23h 44m

2 stops

GTF4:17 pmGreat Falls

$410

Find similar

Alaska Airlines

Jan 9

GTF5:59 pmGreat Falls

28h 55m

1 stop

IAH11:54 pmHouston George Bush Intcntl

Jan 13

IAH7:17 pmHouston George Bush Intcntl

23h 02m

1 stop

GTF5:19 pmGreat Falls

$412

Find similar

Alaska Airlines

Jan 9

GTF5:59 pmGreat Falls

28h 55m

1 stop

IAH11:54 pmHouston George Bush Intcntl

Jan 13

IAH5:55 pmHouston George Bush Intcntl

24h 24m

2 stops

GTF5:19 pmGreat Falls

$417

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Mon 12/15

10:25 pm-11:58 pm

1 stop24h 33m

Houston George Bush Intcntl

Thu 12/18

8:59 pm-9:35 pm

2 stops25h 36m

$314

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Mon 12/15

10:25 pm-4:41 am

1 stop29h 16m

Houston George Bush Intcntl

Thu 12/18

12:50 pm-9:35 pm

2 stops33h 45m

$334

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Fri 1/9

6:10 pm-1:58 pm

2 stops18h 48m

Houston George Bush Intcntl

Tue 1/13

11:34 am-5:30 pm

1 stop6h 56m

$369

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Fri 1/9

1:15 pm-9:44 pm

1 stop7h 29m

Houston George Bush Intcntl

Tue 1/13

7:20 am-12:33 pm

1 stop6h 13m

$370

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Fri 1/9

1:15 pm-1:58 pm

2 stops23h 43m

Houston George Bush Intcntl

Tue 1/13

5:30 am-5:30 pm

2 stops13h 00m

$374

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Fri 1/9

1:15 pm-9:44 pm

1 stop7h 29m

Houston George Bush Intcntl

Tue 1/13

6:20 am-5:30 pm

2 stops12h 10m

$376

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Wed 2/18

6:28 pm-5:53 pm

2 stops22h 25m

Houston George Bush Intcntl

Wed 2/25

5:33 pm-4:17 pm

2 stops23h 44m

$410

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Fri 1/9

5:59 pm-11:54 pm

1 stop28h 55m

Houston George Bush Intcntl

Tue 1/13

7:17 pm-5:19 pm

1 stop23h 02m

$412

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Fri 1/9

5:59 pm-11:54 pm

1 stop28h 55m

Houston George Bush Intcntl

Tue 1/13

5:55 pm-5:19 pm

2 stops24h 24m

$417

Great FallsHouston

GTF - IAH

GTFIAH

Great Falls

Wed 2/18

6:28 pm-11:54 pm

1 stop28h 26m

Houston George Bush Intcntl

Wed 2/25

7:00 am-5:48 pm

1 stop11h 48m

$422

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

Fastest flight time	7h 21m
Direct flights	None

The fastest flight from Great Falls to Houston takes 7h 21m

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 52m 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 December 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 8,011 reviews		Search Delta flights
United Airlines	PriceFrom $382	Free Cancellation	Rating 7.4 9,063 reviews		Search United Airlines flights

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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.