What is the cheapest airline that flies from Houston to Great Falls?

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

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

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

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

As of July 2026, there are 2 operators available to choose from for flights from Houston to Great Falls Airport.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Great Falls Airport.

What documentation or ID do you need to fly to Great Falls Airport?

The necessary travel and health documents for your Great Falls Airport 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.

$276 Cheap Flights from Houston to Great Falls in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Houston to Great Falls

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 am - 1:29 pm

IAH

GTF

7h 59m

1 stop

2:25 pm - 8:55 pm

GTF

IAH

5h 30m

1 stop

$348United Airlines

Fri, Aug 21 - Wed, Aug 26

7:20 am - 1:29 pm

IAH

GTF

7h 09m

1 stop

2:25 pm - 10:56 pm

GTF

IAH

7h 31m

1 stop

$348United Airlines

Fri, Aug 28 - Mon, Aug 31

7:30 am - 12:28 pm

IAH

GTF

5h 58m

1 stop

1:08 pm - 9:50 pm

GTF

IAH

7h 42m

1 stop

$348Delta

Fri, Aug 21 - Sat, Aug 29

7:30 am - 12:28 pm

IAH

GTF

5h 58m

1 stop

1:08 pm - 9:50 pm

GTF

IAH

7h 42m

1 stop

$348Delta

Fri, Aug 21 - Wed, Aug 26

7:30 am - 12:28 pm

IAH

GTF

5h 58m

1 stop

5:40 am - 3:14 pm

GTF

IAH

8h 34m

2 stops

$354Delta

Fri, Aug 21 - Sat, Aug 29

2:46 pm - 9:38 pm

IAH

GTF

7h 52m

1 stop

2:45 pm - 10:54 pm

GTF

IAH

7h 09m

1 stop

$448United Airlines

Sat, Oct 31 - Wed, Nov 4

7:20 am - 1:29 pm

IAH

GTF

7h 09m

1 stop

2:37 pm - 10:59 pm

GTF

IAH

7h 22m

1 stop

$448United Airlines

Sat, Sep 19 - Sat, Sep 26

6:19 pm - 4:39 pm

HOU

GTF

23h 20m

2 stops

5:19 pm - 8:56 am

GTF

HOU

14h 37m

2 stops

$647Alaska Airlines

Fri, Sep 11 - Mon, Sep 14

2:07 pm - 4:17 pm

HOU

GTF

27h 10m

2 stops

4:57 pm - 9:27 am

GTF

HOU

15h 30m

2 stops

$731Alaska Airlines

Mon, Nov 2 - Sun, Nov 8

9:32 am - 4:29 pm

HOU

GTF

31h 57m

2 stops

5:09 pm - 9:03 am

GTF

HOU

14h 54m

2 stops

$1,256Alaska Airlines

Mon, Aug 10 - Fri, Aug 14

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United Airlines flights from Houston to Great Falls

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

United Airlines

Sep 11

IAH4:27 pmHouston George Bush Intcntl

5h 45m

1 stop

GTF9:12 pmGreat Falls

Sep 14

GTF2:25 pmGreat Falls

7h 32m

1 stop

IAH10:57 pmHouston George Bush Intcntl

$422

United Airlines

Oct 31

IAH2:46 pmHouston George Bush Intcntl

7h 52m

1 stop

GTF9:38 pmGreat Falls

Nov 4

GTF2:45 pmGreat Falls

7h 09m

1 stop

IAH10:54 pmHouston George Bush Intcntl

$448

United Airlines

Oct 31

IAH8:30 amHouston George Bush Intcntl

14h 08m

2 stops

GTF9:38 pmGreat Falls

Nov 4

GTF2:45 pmGreat Falls

7h 09m

1 stop

IAH10:54 pmHouston George Bush Intcntl

$454

Delta flights from Houston to Great Falls

Our best Delta deals on Houston to Great Falls flight tickets

Delta

Aug 21

IAH7:30 amHouston George Bush Intcntl

5h 58m

1 stop

GTF12:28 pmGreat Falls

Aug 29

GTF1:08 pmGreat Falls

7h 42m

1 stop

IAH9:50 pmHouston George Bush Intcntl

$348

Delta

Aug 21

IAH7:30 amHouston George Bush Intcntl

5h 58m

1 stop

GTF12:28 pmGreat Falls

Aug 29

GTF5:40 amGreat Falls

8h 34m

2 stops

IAH3:14 pmHouston George Bush Intcntl

$354

Delta

Aug 21

IAH7:30 amHouston George Bush Intcntl

5h 58m

1 stop

GTF12:28 pmGreat Falls

Aug 29

GTF1:08 pmGreat Falls

7h 42m

1 stop

IAH9:50 pmHouston George Bush Intcntl

$358

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Fri 8/21

6:30 am-1:29 pm

1 stop7h 59m

Great Falls

Wed 8/26

2:25 pm-8:55 pm

1 stop5h 30m

$348

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Fri 8/28

7:20 am-1:29 pm

1 stop7h 09m

Great Falls

Mon 8/31

2:25 pm-10:56 pm

1 stop7h 31m

$348

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Fri 8/21

7:30 am-12:28 pm

1 stop5h 58m

Great Falls

Sat 8/29

1:08 pm-9:50 pm

1 stop7h 42m

$348

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Fri 8/21

7:30 am-12:28 pm

1 stop5h 58m

Great Falls

Wed 8/26

1:08 pm-9:50 pm

1 stop7h 42m

$348

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Fri 8/21

7:30 am-12:28 pm

1 stop5h 58m

Great Falls

Sat 8/29

5:40 am-3:14 pm

2 stops8h 34m

$354

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Sat 10/31

2:46 pm-9:38 pm

1 stop7h 52m

Great Falls

Wed 11/4

2:45 pm-10:54 pm

1 stop7h 09m

$448

HoustonGreat Falls

IAH - GTF

IAHGTF

Houston George Bush Intcntl

Sat 9/19

7:20 am-1:29 pm

1 stop7h 09m

Great Falls

Sat 9/26

2:37 pm-10:59 pm

1 stop7h 22m

$448

HoustonGreat Falls

HOU - GTF

HOUGTF

Houston Hobby

Fri 9/11

6:19 pm-4:39 pm

2 stops23h 20m

Great Falls

Mon 9/14

5:19 pm-8:56 am

2 stops14h 37m

$647

HoustonGreat Falls

HOU - GTF

HOUGTF

Houston Hobby

Mon 11/2

2:07 pm-4:17 pm

2 stops27h 10m

Great Falls

Sun 11/8

4:57 pm-9:27 am

2 stops15h 30m

$731

HoustonGreat Falls

HOU - GTF

HOUGTF

Houston Hobby

Mon 8/10

9:32 am-4:29 pm

2 stops31h 57m

Great Falls

Fri 8/14

5:09 pm-9:03 am

2 stops14h 54m

$1,256

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

What is the cheapest month to fly to Great Falls?

The month of January is another great option to travel to Great Falls, with average flight prices from Houston averaging around $0.

Cheap Houston to Great Falls flight deals and tips

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

Fastest flight time	5h 58m
Direct flights	None

The fastest flight from Houston to Great Falls takes 5h 58m

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

Search flight deals

Frequently asked questions about flying from Houston to Great Falls

How far is Houston to Great Falls by plane?
Great Falls is 1490.0 mi away from Houston. 5h 58m is a normal flight duration for this route.
When did momondo last update prices for flights from Houston to Great Falls Airport?
Prices for flights from Houston to Great Falls Airport are updated daily.
How many operators does momondo search for flights from Houston to Great Falls Airport?
As of July 2026, there are 2 operators available to choose from for flights from Houston to Great Falls Airport.
How old do you have to be to fly from Houston to Great Falls Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Great Falls Airport.
What documentation or ID do you need to fly to Great Falls Airport?
The necessary travel and health documents for your Great Falls Airport 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 Houston to Great Falls

Compare and see reviews for airlines that fly from Houston to Great Falls with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $298	Free Cancellation	Rating 7.4 10,052 reviews		Search United Airlines flights
Delta	PriceFrom $378	Free Cancellation	Rating 7.8 8,485 reviews		Search Delta flights

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

It is quick and easy to find Houston to Great Falls flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Great Falls that suits you.

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

Flights from Houston to Great Falls with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Houston to Great Falls?

momondo provides multiple filters to help you find the best flight to Great Falls from Houston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Houston to Great Falls right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Houston to Great Falls flights. All you need is a valid email address and we will do the rest; it is that quick and easy.