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

United Airlines is the most popular carrier 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 September 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.

$364 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

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

6h 19m1 stop Denver Intl

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

5h 13m1 stop Denver Intl

$364United Airlines

Sat, Nov 14 - Sat, Nov 21

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

6h 19m1 stop Denver Intl

2:45 pm - 11:59 pmGTF Great Falls-IAH Houston George Bush Intcntl

8h 14m1 stop Denver Intl

$364United Airlines

Sat, Nov 14 - Sun, Nov 22

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

6h 21m1 stop Salt Lake City

1:21 pm - 9:50 pmGTF Great Falls-IAH Houston George Bush Intcntl

7h 29m1 stop Salt Lake City

$368Delta

Sat, Nov 14 - Sun, Nov 22

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

6h 21m1 stop Salt Lake City

1:21 pm - 9:50 pmGTF Great Falls-IAH Houston George Bush Intcntl

7h 29m1 stop Salt Lake City

$368Delta

Fri, Nov 13 - Sun, Nov 22

11:35 am - 10:46 pmIAH Houston George Bush Intcntl-GTF Great Falls

12h 11m2 stops Detroit Metropolitan Wayne County Salt Lake City

1:21 pm - 9:50 pmGTF Great Falls-IAH Houston George Bush Intcntl

7h 29m1 stop Salt Lake City

$374Delta

Fri, Nov 13 - Sun, Nov 22

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

11h 39m2 stops Los Angeles Salt Lake City

1:21 pm - 9:50 pmGTF Great Falls-IAH Houston George Bush Intcntl

7h 29m1 stop Salt Lake City

$374Delta

Sat, Nov 14 - Sun, Nov 22

4:26 pm - 9:38 pmIAH Houston George Bush Intcntl-GTF Great Falls

6h 12m1 stop Denver Intl

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

5h 13m1 stop Denver Intl

$387United Airlines

Fri, Nov 13 - Sat, Nov 21

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

6h 19m1 stop Denver Intl

2:45 pm - 10:53 pmGTF Great Falls-IAH Houston George Bush Intcntl

7h 08m1 stop Denver Intl

$444United Airlines

Wed, Nov 11 - Sat, Nov 14

8:30 am - 9:38 pmIAH Houston George Bush Intcntl-GTF Great Falls

14h 08m2 stops San Francisco Denver Intl

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

5h 13m1 stop Denver Intl

$454United Airlines

Wed, Nov 11 - Sat, Nov 14

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

6h 19m1 stop Denver Intl

2:45 pm - 10:53 pmGTF Great Falls-IAH Houston George Bush Intcntl

7h 08m1 stop Denver Intl

$464United Airlines

Wed, Nov 11 - Sat, Nov 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

Nov 14

IAH8:30 amHouston George Bush Intcntl

6h 19m

1 stop

GTF1:49 pmGreat Falls

Nov 21

GTF2:45 pmGreat Falls

5h 13m

1 stop

IAH8:58 pmHouston George Bush Intcntl

$364

United Airlines

Nov 13

IAH4:26 pmHouston George Bush Intcntl

6h 12m

1 stop

GTF9:38 pmGreat Falls

Nov 21

GTF2:45 pmGreat Falls

5h 13m

1 stop

IAH8:58 pmHouston George Bush Intcntl

$387

United Airlines

Nov 11

IAH8:30 amHouston George Bush Intcntl

6h 19m

1 stop

GTF1:49 pmGreat Falls

Nov 14

GTF6:30 amGreat Falls

7h 38m

1 stop

IAH3:08 pmHouston George Bush Intcntl

$444

Delta flights from Houston to Great Falls

Our best Delta deals on Houston to Great Falls flight tickets

Delta

Nov 13

IAH7:20 amHouston George Bush Intcntl

6h 21m

1 stop

GTF12:41 pmGreat Falls

Nov 22

GTF1:21 pmGreat Falls

7h 29m

1 stop

IAH9:50 pmHouston George Bush Intcntl

$368

Delta

Nov 13

IAH11:35 amHouston George Bush Intcntl

12h 11m

2 stops

GTF10:46 pmGreat Falls

Nov 22

GTF1:21 pmGreat Falls

7h 29m

1 stop

IAH9:50 pmHouston George Bush Intcntl

$374

Delta

Nov 13

IAH11:35 amHouston George Bush Intcntl

12h 11m

2 stops

GTF10:46 pmGreat Falls

Nov 22

GTF5:30 amGreat Falls

14h 41m

2 stops

IAH9:11 pmHouston George Bush Intcntl

$513

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

Sat 11/14

8:30 am-1:49 pm

1 stop6h 19m

Great Falls

Sat 11/21

2:45 pm-8:58 pm

1 stop5h 13m

$364

HoustonGreat Falls

IAH Houston George Bush Intcntl - GTF Great Falls

IAHGTF

Houston George Bush Intcntl

Sat 11/14

8:30 am-1:49 pm

1 stop6h 19m

Great Falls

Sun 11/22

2:45 pm-11:59 pm

1 stop8h 14m

$364

HoustonGreat Falls

IAH Houston George Bush Intcntl - GTF Great Falls

IAHGTF

Houston George Bush Intcntl

Sat 11/14

7:20 am-12:41 pm

1 stop6h 21m

Great Falls

Sun 11/22

1:21 pm-9:50 pm

1 stop7h 29m

$368

HoustonGreat Falls

IAH Houston George Bush Intcntl - GTF Great Falls

IAHGTF

Houston George Bush Intcntl

Fri 11/13

7:20 am-12:41 pm

1 stop6h 21m

Great Falls

Sun 11/22

1:21 pm-9:50 pm

1 stop7h 29m

$368

HoustonGreat Falls

IAH Houston George Bush Intcntl - GTF Great Falls

IAHGTF

Houston George Bush Intcntl

Fri 11/13

11:35 am-10:46 pm

2 stops12h 11m

Great Falls

Sun 11/22

1:21 pm-9:50 pm

1 stop7h 29m

$374

HoustonGreat Falls

IAH Houston George Bush Intcntl - GTF Great Falls

IAHGTF

Houston George Bush Intcntl

Sat 11/14

7:00 am-5:39 pm

2 stops11h 39m

Great Falls

Sun 11/22

1:21 pm-9:50 pm

1 stop7h 29m

$374

Quickest round-trip

HoustonGreat Falls

IAH Houston George Bush Intcntl - GTF Great Falls

IAHGTF

Houston George Bush Intcntl

Fri 11/13

4:26 pm-9:38 pm

1 stop6h 12m

Great Falls

Sat 11/21

2:45 pm-8:58 pm

1 stop5h 13m

$387

HoustonGreat Falls

IAH Houston George Bush Intcntl - GTF Great Falls

IAHGTF

Houston George Bush Intcntl

Wed 11/11

8:30 am-1:49 pm

1 stop6h 19m

Great Falls

Sat 11/14

2:45 pm-10:53 pm

1 stop7h 08m

$444

HoustonGreat Falls

IAH Houston George Bush Intcntl - GTF Great Falls

IAHGTF

Houston George Bush Intcntl

Wed 11/11

8:30 am-9:38 pm

2 stops14h 08m

Great Falls

Sat 11/14

2:45 pm-8:58 pm

1 stop5h 13m

$454

HoustonGreat Falls

IAH Houston George Bush Intcntl - GTF Great Falls

IAHGTF

Houston George Bush Intcntl

Wed 11/11

8:30 am-1:49 pm

1 stop6h 19m

Great Falls

Sat 11/14

2:45 pm-10:53 pm

1 stop7h 08m

$464

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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

Best Price Found	$373
Fastest flight time	6h 19m
Direct flights	None

The best one-way flight to Great Falls from Houston in the past 72 hours is $373. The best round-trip flight deal from Houston to Great Falls found on momondo in the last 72 hours is $364.

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 many operators does momondo search for flights from Houston to Great Falls Airport?
As of September 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 10,185 reviews		Search United Airlines flights
Delta	PriceFrom $378	Free Cancellation	Rating 7.8 8,550 reviews		Search Delta flights

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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.