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

How many flights depart from Houston to Great Falls on average per week?

3 flights are operational weekly from Houston to Great Falls as of October 2026. The most popular departure day for this route is Wed, with 33% of flights per week taking off on this day.

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 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.

$309 Cheap Flights from Houston to Great Falls in 2026/27

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.

9:58 pm - 8:44 amIAH Houston George Bush Intcntl-GTF Great Falls

11h 46m1 stop Phoenix Sky Harbor Intl

9:46 am - 11:25 pmGTF Great Falls-IAH Houston George Bush Intcntl

36h 39m2 stops Phoenix-Mesa Gateway Las Vegas Harry Reid Intl

$327Multiple Airlines

Mon, Nov 23 - Mon, Nov 30

9:58 pm - 8:44 amIAH Houston George Bush Intcntl-GTF Great Falls

11h 46m1 stop Phoenix Sky Harbor Intl

9:46 am - 10:39 amGTF Great Falls-IAH Houston George Bush Intcntl

23h 53m1 stop Phoenix-Mesa Gateway

$337Multiple Airlines

Mon, Nov 23 - Mon, Nov 30

8:30 am - 1:49 pmIAH Houston George Bush Intcntl-GTF Great Falls

6h 19m1 stop Denver Intl

6:30 am - 1:31 pmGTF Great Falls-IAH Houston George Bush Intcntl

6h 01m1 stop Denver Intl

$454United Airlines

Tue, Nov 10 - Sat, Nov 14

7:20 am - 12:41 pmIAH Houston George Bush Intcntl-GTF Great Falls

6h 21m1 stop Salt Lake City

5:30 am - 3:48 pmGTF Great Falls-IAH Houston George Bush Intcntl

9h 18m2 stops Salt Lake City Minneapolis St Paul

$464Delta

Tue, Nov 10 - Sat, Nov 14

7:00 am - 5:39 pmIAH Houston George Bush Intcntl-GTF Great Falls

11h 39m2 stops Los Angeles Salt Lake City

1:21 pm - 11:59 pmGTF Great Falls-IAH Houston George Bush Intcntl

9h 38m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$469Delta

Tue, Nov 10 - Sat, Nov 14

7:20 am - 1:36 pmIAH Houston George Bush Intcntl-GTF Great Falls

7h 16m1 stop Denver Intl

2:32 pm - 11:59 pmGTF Great Falls-IAH Houston George Bush Intcntl

8h 27m1 stop Denver Intl

$508United Airlines

Wed, Jan 6 - Sat, Jan 9

7:20 am - 1:36 pmIAH Houston George Bush Intcntl-GTF Great Falls

7h 16m1 stop Denver Intl

2:32 pm - 11:59 pmGTF Great Falls-IAH Houston George Bush Intcntl

8h 27m1 stop Denver Intl

$539United Airlines

Wed, Jan 6 - Sat, Jan 9

10:01 am - 9:38 pmIAH Houston George Bush Intcntl-GTF Great Falls

12h 37m2 stops San Francisco Denver Intl

2:45 pm - 8:58 pmGTF Great Falls-IAH Houston George Bush Intcntl

5h 13m1 stop Denver Intl

$584United Airlines

Tue, Nov 10 - Sat, Nov 14

6:10 pm - 1:36 pmIAH Houston George Bush Intcntl-GTF Great Falls

20h 26m2 stops San Antonio Denver Intl

2:32 pm - 11:59 pmGTF Great Falls-IAH Houston George Bush Intcntl

8h 27m1 stop Denver Intl

$587United Airlines

Wed, Jan 6 - Sat, Jan 9

6:29 am - 4:32 pmIAH Houston George Bush Intcntl-GTF Great Falls

11h 03m1 stop Seattle/Tacoma Intl

5:12 pm - 5:09 amGTF Great Falls-IAH Houston George Bush Intcntl

10h 57m1 stop Seattle/Tacoma Intl

$618Alaska Airlines

Mon, Dec 21 - Fri, Jan 1

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

United Airlines flights from Houston to Great Falls

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

United Airlines

Apr 23

IAH6:10 pmHouston George Bush Intcntl

5h 20m

1 stop

GTF10:30 pmGreat Falls

Apr 26

GTF2:25 pmGreat Falls

7h 20m

1 stop

IAH10:45 pmHouston George Bush Intcntl

$419

United Airlines

Nov 10

IAH8:30 amHouston George Bush Intcntl

6h 19m

1 stop

GTF1:49 pmGreat Falls

Nov 14

GTF6:30 amGreat Falls

6h 01m

1 stop

IAH1:31 pmHouston George Bush Intcntl

$454

United Airlines

Jan 6

IAH7:20 amHouston George Bush Intcntl

7h 16m

1 stop

GTF1:36 pmGreat Falls

Jan 9

GTF2:32 pmGreat Falls

8h 27m

1 stop

IAH11:59 pmHouston George Bush Intcntl

$508

Alaska Airlines flights from Houston to Great Falls

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

Alaska Airlines

Dec 21

IAH6:29 amHouston George Bush Intcntl

11h 03m

1 stop

GTF4:32 pmGreat Falls

Jan 1

GTF5:12 pmGreat Falls

10h 57m

1 stop

IAH5:09 amHouston George Bush Intcntl

$618

Alaska Airlines

Apr 20

IAH7:00 amHouston George Bush Intcntl

10h 13m

1 stop

GTF4:13 pmGreat Falls

Apr 23

GTF4:55 pmGreat Falls

24h 20m

1 stop

IAH6:15 pmHouston George Bush Intcntl

$691

Alaska Airlines

Jan 6

IAH6:06 pmHouston George Bush Intcntl

22h 22m

2 stops

GTF3:28 pmGreat Falls

Jan 9

GTF4:08 pmGreat Falls

20h 19m

2 stops

IAH1:27 pmHouston George Bush Intcntl

$711

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonGreat Falls

IAH Houston George Bush Intcntl - GTF Great Falls

IAHGTF

Houston George Bush Intcntl

Mon 11/23

9:58 pm-8:44 am

1 stop11h 46m

Great Falls

Mon 11/30

9:46 am-11:25 pm

2 stops36h 39m

$327

HoustonGreat Falls

IAH Houston George Bush Intcntl - GTF Great Falls

IAHGTF

Houston George Bush Intcntl

Mon 11/23

9:58 pm-8:44 am

1 stop11h 46m

Great Falls

Mon 11/30

9:46 am-10:39 am

1 stop23h 53m

$337

Quickest round-trip

HoustonGreat Falls

IAH Houston George Bush Intcntl - GTF Great Falls

IAHGTF

Houston George Bush Intcntl

Tue 11/10

8:30 am-1:49 pm

1 stop6h 19m

Great Falls

Sat 11/14

6:30 am-1:31 pm

1 stop6h 01m

$454

HoustonGreat Falls

IAH Houston George Bush Intcntl - GTF Great Falls

IAHGTF

Houston George Bush Intcntl

Tue 11/10

7:20 am-12:41 pm

1 stop6h 21m

Great Falls

Sat 11/14

5:30 am-3:48 pm

2 stops9h 18m

$464

HoustonGreat Falls

IAH Houston George Bush Intcntl - GTF Great Falls

IAHGTF

Houston George Bush Intcntl

Tue 11/10

7:00 am-5:39 pm

2 stops11h 39m

Great Falls

Sat 11/14

1:21 pm-11:59 pm

2 stops9h 38m

$469

HoustonGreat Falls

IAH Houston George Bush Intcntl - GTF Great Falls

IAHGTF

Houston George Bush Intcntl

Wed 1/6

7:20 am-1:36 pm

1 stop7h 16m

Great Falls

Sat 1/9

2:32 pm-11:59 pm

1 stop8h 27m

$508

HoustonGreat Falls

IAH Houston George Bush Intcntl - GTF Great Falls

IAHGTF

Houston George Bush Intcntl

Wed 1/6

7:20 am-1:36 pm

1 stop7h 16m

Great Falls

Sat 1/9

2:32 pm-11:59 pm

1 stop8h 27m

$539

HoustonGreat Falls

IAH Houston George Bush Intcntl - GTF Great Falls

IAHGTF

Houston George Bush Intcntl

Tue 11/10

10:01 am-9:38 pm

2 stops12h 37m

Great Falls

Sat 11/14

2:45 pm-8:58 pm

1 stop5h 13m

$584

HoustonGreat Falls

IAH Houston George Bush Intcntl - GTF Great Falls

IAHGTF

Houston George Bush Intcntl

Wed 1/6

6:10 pm-1:36 pm

2 stops20h 26m

Great Falls

Sat 1/9

2:32 pm-11:59 pm

1 stop8h 27m

$587

HoustonGreat Falls

IAH Houston George Bush Intcntl - GTF Great Falls

IAHGTF

Houston George Bush Intcntl

Mon 12/21

6:29 am-4:32 pm

1 stop11h 03m

Great Falls

Fri 1/1

5:12 pm-5:09 am

1 stop10h 57m

$618

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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

Other information

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

Best Price Found	$309
Fastest flight time	6h 19m
Direct flights	None

The best one-way flight to Great Falls from Houston in the past 72 hours is $309. The best round-trip flight deal from Houston to Great Falls found on momondo in the last 72 hours is $327.

The fastest flight from Houston to Great Falls takes 6h 19m

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. 6h 19m 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 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
Delta	PriceFrom $378	Free Cancellation	Rating 7.8 8,687 reviews		Search Delta flights
United Airlines	PriceFrom $415	Free Cancellation	Rating 7.3 10,444 reviews		Search United Airlines flights

Shelby

Why use momondo?

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.