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.

Alaska Airlines Flights to Great Falls

Alaska Airlines operates around 2 flights into Great Falls in any given week. The most common departure point for these flights was from Seattle/Tacoma Intl, with the best round-trip Alaska Airlines deal found being $259 (San Francisco to Great Falls). Users have rated Alaska Airlines 7.9/10 in over 12,879 reviews on momondo.

Delta Flights to Great Falls

Delta (7.8/10, 8,571 reviews) is also a popular choice for flights to Great Falls, with deals from as low as $194 from Atlanta Hartsfield-Jackson, round-trip. With 10 Delta 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 32m on average. Another popular route from United States to Great Falls is flying from Miami to Great Falls, which will take roughly 15h 20m. Keep in mind that layovers or delays could extend your travel time.

$138 Cheap Flights to Great Falls in 2026

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Find the cheapest flights from the United States to Great Falls

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:39 pm - 4:19 pmSEA Seattle/Tacoma Intl-GTF Great Falls

1h 40mnonstop

4:59 pm - 5:55 pmGTF Great Falls-SEA Seattle/Tacoma Intl

1h 56mnonstop

$207Alaska Airlines

Sat, Nov 7 - Tue, Nov 10

1:39 pm - 4:19 pmSEA Seattle/Tacoma Intl-GTF Great Falls

1h 40mnonstop

4:59 pm - 5:55 pmGTF Great Falls-SEA Seattle/Tacoma Intl

1h 56mnonstop

$210Alaska Airlines

Tue, Nov 10 - Mon, Nov 16

1:39 pm - 4:19 pmSEA Seattle/Tacoma Intl-GTF Great Falls

1h 40mnonstop

4:59 pm - 5:55 pmGTF Great Falls-SEA Seattle/Tacoma Intl

1h 56mnonstop

$217Alaska Airlines

Wed, Nov 11 - Mon, Nov 16

5:35 am - 12:41 pmSEA Seattle/Tacoma Intl-GTF Great Falls

6h 06m1 stop Salt Lake City

1:21 pm - 6:41 pmGTF Great Falls-SEA Seattle/Tacoma Intl

6h 20m1 stop Salt Lake City

$226Delta

Wed, Nov 11 - Mon, Nov 16

11:20 am - 5:39 pmSEA Seattle/Tacoma Intl-GTF Great Falls

5h 19m1 stop Salt Lake City

6:19 pm - 11:59 pmGTF Great Falls-SEA Seattle/Tacoma Intl

6h 40m1 stop Salt Lake City

$246Delta

Tue, Nov 10 - Mon, Nov 16

5:45 am - 12:35 pmSEA Seattle/Tacoma Intl-GTF Great Falls

5h 50m1 stop Salt Lake City

1:18 pm - 4:55 pmGTF Great Falls-SEA Seattle/Tacoma Intl

4h 37m1 stop Salt Lake City

$252Delta

Fri, Oct 2 - Tue, Oct 6

2:02 pm - 4:39 pmSEA Seattle/Tacoma Intl-GTF Great Falls

1h 37mnonstop

5:15 pm - 6:08 pmGTF Great Falls-SEA Seattle/Tacoma Intl

1h 53mnonstop

$258Alaska Airlines

Fri, Oct 2 - Tue, Oct 6

11:33 am - 1:29 pmDEN Denver Intl-GTF Great Falls

1h 56mnonstop

6:15 am - 8:16 amGTF Great Falls-DEN Denver Intl

2h 01mnonstop

$283United Airlines

Sun, Sep 20 - Sat, Sep 26

7:25 pm - 9:22 pmDEN Denver Intl-GTF Great Falls

1h 57mnonstop

2:37 pm - 4:40 pmGTF Great Falls-DEN Denver Intl

2h 03mnonstop

$289United Airlines

Wed, Sep 30 - Sun, Oct 4

7:25 pm - 9:22 pmDEN Denver Intl-GTF Great Falls

1h 57mnonstop

2:37 pm - 4:40 pmGTF Great Falls-DEN Denver Intl

2h 03mnonstop

$289United Airlines

Sat, Oct 17 - Sat, Oct 24

Cheap last minute flights

Enter your travel dates to find the best prices.

7:15 pm - 9:12 pmDEN Denver Intl-GTF Great Falls

1h 57mnonstop

2:25 pm - 4:28 pmGTF Great Falls-DEN Denver Intl

2h 03mnonstop

$364United Airlines

Thu, Sep 10 - Mon, Sep 14

11:33 am - 1:29 pmDEN Denver Intl-GTF Great Falls

1h 56mnonstop

6:15 am - 8:16 amGTF Great Falls-DEN Denver Intl

2h 01mnonstop

$399United Airlines

Thu, Sep 10 - Sat, Sep 12

9:39 am - 10:29 pmCLE Cleveland Hopkins Intl-GTF Great Falls

14h 50m2 stops Atlanta Hartsfield-Jackson Salt Lake City

1:15 pm - 11:12 pmGTF Great Falls-CLE Cleveland Hopkins Intl

7h 57m1 stop Salt Lake City

$504Delta

Sun, Sep 6 - Tue, Sep 15

4:15 pm - 9:12 pmIAD Washington, D.C. Dulles Intl-GTF Great Falls

6h 57m1 stop Denver Intl

2:25 pm - 12:32 amGTF Great Falls-IAD Washington, D.C. Dulles Intl

8h 07m1 stop Denver Intl

$508United Airlines

Fri, Sep 11 - Mon, Sep 14

11:33 am - 1:29 pmDEN Denver Intl-GTF Great Falls

1h 56mnonstop

6:15 am - 8:16 amGTF Great Falls-DEN Denver Intl

2h 01mnonstop

$509United Airlines

Fri, Sep 11 - Fri, Sep 18

6:00 am - 12:28 pmCLE Cleveland Hopkins Intl-GTF Great Falls

8h 28m2 stops Minneapolis St Paul Salt Lake City

1:15 pm - 11:12 pmGTF Great Falls-CLE Cleveland Hopkins Intl

7h 57m1 stop Salt Lake City

$519Delta

Mon, Sep 7 - Tue, Sep 15

5:57 pm - 4:39 pmCLE Cleveland Hopkins Intl-GTF Great Falls

24h 42m1 stop Seattle/Tacoma Intl

5:19 pm - 5:11 amGTF Great Falls-CLE Cleveland Hopkins Intl

9h 52m1 stop Seattle/Tacoma Intl

$544Alaska Airlines

Fri, Sep 11 - Tue, Sep 22

7:35 am - 12:28 pmCLE Cleveland Hopkins Intl-GTF Great Falls

6h 53m1 stop Salt Lake City

1:15 pm - 11:12 pmGTF Great Falls-CLE Cleveland Hopkins Intl

7h 57m1 stop Salt Lake City

$572Delta

Mon, Sep 7 - Tue, Sep 15

2:02 pm - 4:39 pmSEA Seattle/Tacoma Intl-GTF Great Falls

1h 37mnonstop

5:19 pm - 6:08 pmGTF Great Falls-SEA Seattle/Tacoma Intl

1h 49mnonstop

$659Alaska Airlines

Fri, Sep 11 - Tue, Sep 15

2:08 pm - 4:45 pmSEA Seattle/Tacoma Intl-GTF Great Falls

1h 37mnonstop

5:19 pm - 6:08 pmGTF Great Falls-SEA Seattle/Tacoma Intl

1h 49mnonstop

$662Alaska Airlines

Mon, Sep 7 - Sat, Sep 12

Recent direct flight deals from the United States to Great Falls

Enter your travel dates to find the best prices.

1:39 pm - 4:19 pmSEA Seattle/Tacoma Intl-GTF Great Falls

1h 40mnonstop

4:59 pm - 5:55 pmGTF Great Falls-SEA Seattle/Tacoma Intl

1h 56mnonstop

$207Alaska Airlines

Sat, Nov 7 - Tue, Nov 10

1:39 pm - 4:19 pmSEA Seattle/Tacoma Intl-GTF Great Falls

1h 40mnonstop

4:59 pm - 5:55 pmGTF Great Falls-SEA Seattle/Tacoma Intl

1h 56mnonstop

$210Alaska Airlines

Tue, Nov 10 - Mon, Nov 16

1:39 pm - 4:19 pmSEA Seattle/Tacoma Intl-GTF Great Falls

1h 40mnonstop

4:59 pm - 5:55 pmGTF Great Falls-SEA Seattle/Tacoma Intl

1h 56mnonstop

$217Alaska Airlines

Wed, Nov 11 - Mon, Nov 16

2:02 pm - 4:39 pmSEA Seattle/Tacoma Intl-GTF Great Falls

1h 37mnonstop

5:15 pm - 6:08 pmGTF Great Falls-SEA Seattle/Tacoma Intl

1h 53mnonstop

$258Alaska Airlines

Fri, Oct 2 - Tue, Oct 6

1:40 pm - 4:13 pmSEA Seattle/Tacoma Intl-GTF Great Falls

1h 33mnonstop

4:55 pm - 5:46 pmGTF Great Falls-SEA Seattle/Tacoma Intl

1h 51mnonstop

$261Alaska Airlines

Fri, Feb 12 - Wed, Feb 17

2:02 pm - 4:39 pmSEA Seattle/Tacoma Intl-GTF Great Falls

1h 37mnonstop

5:15 pm - 6:08 pmGTF Great Falls-SEA Seattle/Tacoma Intl

1h 53mnonstop

$263Alaska Airlines

Fri, Oct 2 - Tue, Oct 6

7:25 pm - 9:22 pmDEN Denver Intl-GTF Great Falls

1h 57mnonstop

6:15 am - 8:16 amGTF Great Falls-DEN Denver Intl

2h 01mnonstop

$289United Airlines

Thu, Oct 1 - Thu, Oct 8

7:25 pm - 9:22 pmDEN Denver Intl-GTF Great Falls

1h 57mnonstop

2:37 pm - 4:40 pmGTF Great Falls-DEN Denver Intl

2h 03mnonstop

$289United Airlines

Sat, Oct 17 - Sat, Oct 24

11:45 am - 1:41 pmDEN Denver Intl-GTF Great Falls

1h 56mnonstop

2:37 pm - 4:40 pmGTF Great Falls-DEN Denver Intl

2h 03mnonstop

$309United Airlines

Sat, Oct 3 - Sat, Oct 10

7:25 pm - 9:22 pmDEN Denver Intl-GTF Great Falls

1h 57mnonstop

6:15 am - 8:16 amGTF Great Falls-DEN Denver Intl

2h 01mnonstop

$319United Airlines

Mon, Oct 5 - Mon, Oct 12

Fly from

Route

Depart

Return

Price

Cheapest round-trip

SeattleGreat Falls

SEA Seattle/Tacoma Intl - GTF Great Falls

SEAGTF

Seattle/Tacoma Intl

Sat 11/7

1:39 pm-4:19 pm

Nonstop1h 40m

Great Falls

Tue 11/10

4:59 pm-5:55 pm

Nonstop1h 56m

$207

SeattleGreat Falls

SEA Seattle/Tacoma Intl - GTF Great Falls

SEAGTF

Seattle/Tacoma Intl

Tue 11/10

1:39 pm-4:19 pm

Nonstop1h 40m

Great Falls

Mon 11/16

4:59 pm-5:55 pm

Nonstop1h 56m

$210

SeattleGreat Falls

SEA Seattle/Tacoma Intl - GTF Great Falls

SEAGTF

Seattle/Tacoma Intl

Wed 11/11

1:39 pm-4:19 pm

Nonstop1h 40m

Great Falls

Mon 11/16

4:59 pm-5:55 pm

Nonstop1h 56m

$217

SeattleGreat Falls

SEA Seattle/Tacoma Intl - GTF Great Falls

SEAGTF

Seattle/Tacoma Intl

Wed 11/11

5:35 am-12:41 pm

1 stop6h 06m

Great Falls

Mon 11/16

1:21 pm-6:41 pm

1 stop6h 20m

$226

SeattleGreat Falls

SEA Seattle/Tacoma Intl - GTF Great Falls

SEAGTF

Seattle/Tacoma Intl

Tue 11/10

11:20 am-5:39 pm

1 stop5h 19m

Great Falls

Mon 11/16

6:19 pm-11:59 pm

1 stop6h 40m

$246

SeattleGreat Falls

SEA Seattle/Tacoma Intl - GTF Great Falls

SEAGTF

Seattle/Tacoma Intl

Fri 10/2

5:45 am-12:35 pm

1 stop5h 50m

Great Falls

Tue 10/6

1:18 pm-4:55 pm

1 stop4h 37m

$252

Quickest round-trip

SeattleGreat Falls

SEA Seattle/Tacoma Intl - GTF Great Falls

SEAGTF

Seattle/Tacoma Intl

Fri 10/2

2:02 pm-4:39 pm

Nonstop1h 37m

Great Falls

Tue 10/6

5:15 pm-6:08 pm

Nonstop1h 53m

$258

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Sun 9/20

11:33 am-1:29 pm

Nonstop1h 56m

Great Falls

Sat 9/26

6:15 am-8:16 am

Nonstop2h 01m

$283

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Wed 9/30

7:25 pm-9:22 pm

Nonstop1h 57m

Great Falls

Sun 10/4

2:37 pm-4:40 pm

Nonstop2h 03m

$289

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Sat 10/17

7:25 pm-9:22 pm

Nonstop1h 57m

Great Falls

Sat 10/24

2:37 pm-4:40 pm

Nonstop2h 03m

$289

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 cheapest month to fly to Great Falls?

The month of September is another great option to travel to Great Falls, with average flight prices from United States averaging around $395.

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 $288. This is 30% 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.

See prices from:

Cheapest flights to Great Falls

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

Find flights from Los Angeles to Helena

CHEAPEST MONTH TO FLY TO GREAT FALLS FROM LOS ANGELES	May	53% cheaper	Flying from Los Angeles to Great Falls costs on average just $169 in May
MOST EXPENSIVE MONTH TO FLY TO GREAT FALLS FROM LOS ANGELES	December	94% more expensive	It costs about $697 for flights to Great Falls from Los Angeles in December
MOST POPULAR MONTH TO FLY TO GREAT FALLS FROM LOS ANGELES	July	1,200% more users visited	More momondo users searched in flights to Great Falls from Los Angeles in July 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	$138
Best Round-Trip Price	$207
Fastest flight time	6h 08m
Popular in	March

The best one-way flight price to Great Falls from United States in the last 5 days is $138 (Seattle/Tacoma Intl to Great Falls).

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The best round-trip flight price to Great Falls from United States in the last 5 days is $207 (Seattle/Tacoma Intl to Great Falls).

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The fastest flight to Great Falls from United States takes 6h 08m (Seattle/Tacoma Intl to Great Falls).

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March has the highest demand for flights to Great Falls, with a 44% price increase on average.

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Frequently asked questions about flying to Great Falls

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 $413 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 September 2026, 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.