Which airlines fly to Great Falls?

There may be other airlines that fly to Great Falls from United States, but the most popular among our users are United Airlines, Delta, Alaska Airlines and Allegiant Air. These airlines should offer flights to Great Falls on a routine basis if you’re flying from one of the more popular airports in United States.

Delta Flights to Great Falls

Delta operates around 14 flights into Great Falls in any given week. The most common departure point for these flights was from Salt Lake City, with the best round-trip Delta deal found being $144 (Atlanta Hartsfield-Jackson to Great Falls). Users have rated Delta 7.9/10 in over 7,993 reviews on momondo.

United Airlines Flights to Great Falls

United Airlines (7.4/10, 8,997 reviews) is also a popular choice for flights to Great Falls, with deals from as low as $218 from Atlanta Hartsfield-Jackson, round-trip. With 10 United Airlines flights to Great Falls on average each week, prices can vary significantly by origin and availability.

How long does it take to fly to Great Falls?

Flight times from United States to Great Falls vary, but if you’re flying out of Los Angeles and flying into Great Falls (one of the most popular routes), then the duration is 4h 31m on average. Another popular route from United States to Great Falls is flying from Miami to Great Falls, which will take roughly 7h 33m. Keep in mind that layovers or delays could extend your travel time.

$115 Cheap Flights to Great Falls in 2025/26

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Find the cheapest flights from the United States to Great Falls

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Cheap round-trip flights

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4:19 pm - 6:55 pmSEA-GTF

1h 36mnonstop

7:35 pm - 8:25 pmGTF-SEA

1h 50mnonstop

$147Alaska Airlines

Find Deal

Wed, Dec 3 - Sun, Dec 14

4:19 pm - 6:55 pmSEA-GTF

1h 36mnonstop

7:35 pm - 8:25 pmGTF-SEA

1h 50mnonstop

$177Alaska Airlines

Find Deal

Mon, Dec 8 - Tue, Dec 9

11:25 am - 1:27 pmDEN-GTF

2h 02mnonstop

2:30 pm - 4:31 pmGTF-DEN

2h 01mnonstop

$199United Airlines

Find Deal

Wed, Nov 19 - Sat, Nov 22

11:31 am - 1:33 pmDEN-GTF

2h 02mnonstop

6:20 am - 8:28 amGTF-DEN

2h 08mnonstop

$209United Airlines

Find Deal

Mon, Nov 10 - Mon, Nov 17

5:30 am - 12:32 pmDEN-GTF

7h 02m1 stop

6:20 pm - 10:31 pmGTF-DEN

4h 11m1 stop

$218Delta

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Tue, Apr 7 - Wed, Apr 22

5:00 pm - 10:30 pmSEA-GTF

4h 30m1 stop

6:10 pm - 12:20 amGTF-SEA

7h 10m1 stop

$237Delta

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Wed, Dec 3 - Sun, Dec 14

7:00 am - 9:31 pmDEN-GTF

14h 31m1 stop

9:22 pm - 3:59 amGTF-DEN

6h 37m1 stop

$242Multiple Airlines

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Mon, Nov 10 - Mon, Nov 17

1:08 pm - 8:32 pmDEN-GTF

7h 24m1 stop

10:56 am - 11:43 pmGTF-DEN

12h 47m1 stop

$251Multiple Airlines

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Mon, Nov 17 - Fri, Nov 21

6:30 pm - 6:55 pmIAD-GTF

26h 25m1 stop

7:35 pm - 4:36 pmGTF-IAD

19h 01m1 stop

$431Hawaiian Airlines

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Fri, Dec 5 - Sat, Dec 13

7:16 pm - 6:55 pmBWI-GTF

25h 39m1 stop

7:35 pm - 6:16 pmGTF-BWI

20h 41m1 stop

$477Hawaiian Airlines

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Fri, Dec 5 - Sat, Dec 13

Fly from

Route

Depart

Return

Price

SeattleGreat Falls

SEA - GTF

SEAGTF

Seattle/Tacoma Intl

Wed 12/3

4:19 pm-6:55 pm

Nonstop1h 36m

Great Falls

Sun 12/14

7:35 pm-8:25 pm

Nonstop1h 50m

$147

SeattleGreat Falls

SEA - GTF

SEAGTF

Seattle/Tacoma Intl

Mon 12/8

4:19 pm-6:55 pm

Nonstop1h 36m

Great Falls

Tue 12/9

7:35 pm-8:25 pm

Nonstop1h 50m

$177

DenverGreat Falls

DEN - GTF

DENGTF

Denver Intl

Wed 11/19

11:25 am-1:27 pm

Nonstop2h 02m

Great Falls

Sat 11/22

2:30 pm-4:31 pm

Nonstop2h 01m

$199

DenverGreat Falls

DEN - GTF

DENGTF

Denver Intl

Mon 11/10

11:31 am-1:33 pm

Nonstop2h 02m

Great Falls

Mon 11/17

6:20 am-8:28 am

Nonstop2h 08m

$209

DenverGreat Falls

DEN - GTF

DENGTF

Denver Intl

Tue 4/7

5:30 am-12:32 pm

1 stop7h 02m

Great Falls

Wed 4/22

6:20 pm-10:31 pm

1 stop4h 11m

$218

SeattleGreat Falls

SEA - GTF

SEAGTF

Seattle/Tacoma Intl

Wed 12/3

5:00 pm-10:30 pm

1 stop4h 30m

Great Falls

Sun 12/14

6:10 pm-12:20 am

1 stop7h 10m

$237

DenverGreat Falls

DEN - GTF

DENGTF

Denver Intl

Mon 11/10

7:00 am-9:31 pm

1 stop14h 31m

Great Falls

Mon 11/17

9:22 pm-3:59 am

1 stop6h 37m

$242

DenverGreat Falls

DEN - GTF

DENGTF

Denver Intl

Mon 11/17

1:08 pm-8:32 pm

1 stop7h 24m

Great Falls

Fri 11/21

10:56 am-11:43 pm

1 stop12h 47m

$251

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

Fri 12/5

6:30 pm-6:55 pm

1 stop26h 25m

Great Falls

Sat 12/13

7:35 pm-4:36 pm

1 stop19h 01m

$431

BaltimoreGreat Falls

BWI - GTF

BWIGTF

Baltimore/Washington

Fri 12/5

7:16 pm-6:55 pm

1 stop25h 39m

Great Falls

Sat 12/13

7:35 pm-6:16 pm

1 stop20h 41m

$477

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Great Falls flights insights and trends

Explore insights for your Great Falls flight to craft the best travel plan

Prices

Other information

What is the absolute cheapest flight to Great Falls?

The best deal found on momondo in the last two weeks was a flight to Great Falls from Denver for $209. This is 21% cheaper than most flight deals to Great Falls. To find the cheapest price to Great Falls from your area, use momondo’s Airport-to-Airport Pricing Tool.

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What is the cheapest day to depart on your flight to Great Falls?

The cheapest day to depart on your flight to Great Falls is on a Saturday when prices can be found for as low as $527. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from United States because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $860.

What is the cheapest time of day to depart on your flight to Great Falls?

According to our data, the cheapest time of day to fly to Great Falls is at noon. momondo users have found flights departing from United States to Great Falls at noon for as low as $544. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $678 on average. Flights to Great Falls from United States in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Cheapest flights to Great Falls

Find the cheapest flights to Great Falls from your nearest city or airport

Find flights from Los Angeles to Great Falls

CHEAPEST MONTH TO FLY TO GREAT FALLS FROM LOS ANGELES	February	32% cheaper	Flying from Los Angeles to Great Falls costs on average just $280 in February
MOST EXPENSIVE MONTH TO FLY TO GREAT FALLS FROM LOS ANGELES	December	61% more expensive	It costs about $659 for flights to Great Falls from Los Angeles in December
MOST POPULAR MONTH TO FLY TO GREAT FALLS FROM LOS ANGELES	June	1,000% more users visited	More momondo users searched in flights to Great Falls from Los Angeles in June than any other month

Cheap Great Falls flight deals and tips

Summary info about Great Falls flight prices, duration and airlines

Best One-Way Price	$115
Best Round-Trip Price	$147
Fastest flight time	1h 35m
Popular in	December

The best one-way flight price to Great Falls from United States in the last 72 hours is $115 (Denver Intl to Great Falls).

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The best round-trip flight price to Great Falls from United States in the last 72 hours is $147 (Seattle/Tacoma Intl to Great Falls).

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The fastest flight to Great Falls from United States takes 1h 35m (Seattle/Tacoma Intl to Great Falls).

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December has the highest demand for flights to Great Falls, with a 10% price increase on average.

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Frequently asked questions about flying to Great Falls

When are the weather conditions best for skiing in Great Falls?

Most people head to the ski mountains during January, when the chance of fresh snow and ideal temperatures are most likely. Ski mountains such as Big Sky Resort are very popular in Great Falls. If you are planning a ski trip to multiple mountains, Whitefish Mountain Ski Resort is a recommended attraction in the Great Falls area.

What is the cheapest month to fly to Great Falls?

The month of June is another great option to travel to Great Falls, with average flight prices from United States averaging around $493.

Is there an alternative airport near Great Falls?

Helena Airport can be an alternative airport used for travel to Great Falls.

Is there a cheaper alternative to flying into Great Falls?

You can find deals at Helena Airport for $263 on average, but that price can change based on your departure airport. To save money, try momondo’s Airport-to-Airport Pricing Tool.

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

Prices for flights to Great Falls Airport were last updated today.

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

As of October 2025, there are 4 operators available to choose from for flights to Great Falls Airport.

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

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 to Great Falls Airport.

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

The travel and health documents you'll need for your trip to Great Falls Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Great Falls Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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Why use momondo?

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

We help find the flight that best suits your needs; momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight for you.

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

Yes. momondo enables you to select and highlight flights to Great Falls with this policy.

How can momondo help me find flights to Great Falls?

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

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

If you are simply researching potential flights to Great Falls, momondo offers a useful price alert feature which will track prices for flights to Great Falls and alert you when they change.