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 7 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 12,932 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 15 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 Los Angeles and flying into Great Falls (one of the most popular routes), then the duration is 5h 32m on average. Another popular route from United States to Great Falls is flying from Miami to Great Falls, which will take roughly 7h 43m. Keep in mind that layovers or delays could extend your travel time.

$135 Cheap Flights to Great Falls in 2026/27

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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

Wed, Nov 11 - Tue, Nov 17

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 14 - Tue, Nov 17

1:50 pm - 4:30 pmSEA Seattle/Tacoma Intl-GTF Great Falls

1h 40mnonstop

5:10 pm - 6:06 pmGTF Great Falls-SEA Seattle/Tacoma Intl

1h 56mnonstop

$207Alaska Airlines

Sat, Nov 7 - Tue, Nov 10

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

6h 06m1 stop Salt Lake City

1:21 pm - 4:58 pmGTF Great Falls-SEA Seattle/Tacoma Intl

4h 37m1 stop Salt Lake City

$256Delta

Tue, Nov 10 - Sat, Nov 14

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

6h 06m1 stop Salt Lake City

1:21 pm - 4:58 pmGTF Great Falls-SEA Seattle/Tacoma Intl

4h 37m1 stop Salt Lake City

$256Delta

Wed, Nov 11 - Sat, Nov 14

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

$309United Airlines

Fri, Oct 16 - Mon, Oct 19

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

$309United Airlines

Thu, Oct 15 - Mon, Oct 19

5:25 am - 12:38 pmDEN Denver Intl-GTF Great Falls

7h 13m1 stop Salt Lake City

6:27 pm - 10:40 pmGTF Great Falls-DEN Denver Intl

4h 13m1 stop Salt Lake City

$328Delta

Wed, Oct 14 - Mon, Oct 19

7:00 am - 4:30 pmLAX Los Angeles Los Angeles-GTF Great Falls

8h 30m1 stop Seattle/Tacoma Intl

5:10 pm - 10:59 pmGTF Great Falls-LAX Los Angeles Los Angeles

6h 49m1 stop Seattle/Tacoma Intl

$448Multiple Airlines

Mon, Nov 2 - Tue, Nov 10

1:15 pm - 10:50 amGRR Grand Rapids Gerald R. Ford Intl-GTF Great Falls

23h 35m1 stop Phoenix-Mesa Gateway

11:40 am - 7:34 pmGTF Great Falls-GRR Grand Rapids Gerald R. Ford Intl

29h 54m1 stop Phoenix-Mesa Gateway

$820Allegiant Air

Wed, Dec 23 - Thu, Dec 31

Cheap last minute flights

Enter your travel dates to find the best prices.

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

Sat, Sep 19 - Tue, Sep 22

7:45 am - 12:35 pmORD Chicago O'Hare Intl-GTF Great Falls

5h 50m1 stop Salt Lake City

5:40 am - 11:55 amGTF Great Falls-ORD Chicago O'Hare Intl

5h 15m1 stop Salt Lake City

$433Delta

Sat, Sep 19 - Sat, Sep 26

1:00 pm - 5:41 pmDEN Denver Intl-GTF Great Falls

4h 41m1 stop Salt Lake City

1:15 pm - 5:02 pmGTF Great Falls-DEN Denver Intl

3h 47m1 stop Salt Lake City

$438Delta

Sat, Sep 19 - Tue, Sep 22

1:51 pm - 10:37 pmORD Chicago O'Hare Intl-GTF Great Falls

9h 46m2 stops Atlanta Hartsfield-Jackson Salt Lake City

5:40 am - 11:55 amGTF Great Falls-ORD Chicago O'Hare Intl

5h 15m1 stop Salt Lake City

$439Delta

Sat, Sep 19 - Sat, Sep 26

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

1h 57mnonstop

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

2h 01mnonstop

$479United Airlines

Thu, Sep 17 - Mon, Sep 21

3:56 pm - 9:12 pmORD Chicago O'Hare Intl-GTF Great Falls

6h 16m1 stop Denver Intl

2:37 pm - 9:51 pmGTF Great Falls-ORD Chicago O'Hare Intl

6h 14m1 stop Denver Intl

$517United Airlines

Mon, Sep 21 - Tue, Sep 29

3:45 pm - 9:12 pmGRR Grand Rapids Gerald R. Ford Intl-GTF Great Falls

7h 27m1 stop Denver Intl

2:25 pm - 10:39 pmGTF Great Falls-GRR Grand Rapids Gerald R. Ford Intl

6h 14m1 stop Denver Intl

$518United Airlines

Thu, Sep 17 - Mon, Sep 21

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

$628Alaska Airlines

Sun, Sep 20 - Fri, Sep 25

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

$708Alaska Airlines

Sun, Sep 20 - Fri, Sep 25

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

$718Alaska Airlines

Mon, Sep 21 - Sat, Sep 26

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

Wed, Nov 11 - Tue, Nov 17

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 14 - Tue, Nov 17

1:50 pm - 4:30 pmSEA Seattle/Tacoma Intl-GTF Great Falls

1h 40mnonstop

5:10 pm - 6:06 pmGTF Great Falls-SEA Seattle/Tacoma Intl

1h 56mnonstop

$207Alaska Airlines

Sat, Nov 7 - Tue, Nov 10

1:50 pm - 4:30 pmSEA Seattle/Tacoma Intl-GTF Great Falls

1h 40mnonstop

5:10 pm - 6:06 pmGTF Great Falls-SEA Seattle/Tacoma Intl

1h 56mnonstop

$227Alaska Airlines

Sat, Nov 14 - Tue, Nov 17

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

$227Alaska Airlines

Sat, Nov 14 - Tue, Nov 17

1:50 pm - 4:30 pmSEA Seattle/Tacoma Intl-GTF Great Falls

1h 40mnonstop

5:10 pm - 6:06 pmGTF Great Falls-SEA Seattle/Tacoma Intl

1h 56mnonstop

$227Alaska Airlines

Sat, Nov 7 - Tue, Nov 10

1:50 pm - 4:30 pmSEA Seattle/Tacoma Intl-GTF Great Falls

1h 40mnonstop

5:10 pm - 6:06 pmGTF Great Falls-SEA Seattle/Tacoma Intl

1h 56mnonstop

$227Alaska Airlines

Tue, Nov 10 - Sat, Nov 14

1:50 pm - 4:30 pmSEA Seattle/Tacoma Intl-GTF Great Falls

1h 40mnonstop

5:10 pm - 6:06 pmGTF Great Falls-SEA Seattle/Tacoma Intl

1h 56mnonstop

$227Alaska Airlines

Wed, Nov 4 - Wed, Nov 11

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

Wed, Sep 30 - Sun, Oct 4

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

Wed, Oct 14 - Wed, Oct 21

Fly from

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

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

Tue 11/17

4:59 pm-5:55 pm

Nonstop1h 56m

$207

SeattleGreat Falls

SEA Seattle/Tacoma Intl - GTF Great Falls

SEAGTF

Seattle/Tacoma Intl

Sat 11/14

1:39 pm-4:19 pm

Nonstop1h 40m

Great Falls

Tue 11/17

4:59 pm-5:55 pm

Nonstop1h 56m

$207

SeattleGreat Falls

SEA Seattle/Tacoma Intl - GTF Great Falls

SEAGTF

Seattle/Tacoma Intl

Sat 11/7

1:50 pm-4:30 pm

Nonstop1h 40m

Great Falls

Tue 11/10

5:10 pm-6:06 pm

Nonstop1h 56m

$207

SeattleGreat Falls

SEA Seattle/Tacoma Intl - GTF Great Falls

SEAGTF

Seattle/Tacoma Intl

Tue 11/10

5:35 am-12:41 pm

1 stop6h 06m

Great Falls

Sat 11/14

1:21 pm-4:58 pm

1 stop4h 37m

$256

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

Sat 11/14

1:21 pm-4:58 pm

1 stop4h 37m

$256

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Fri 10/16

7:25 pm-9:22 pm

Nonstop1h 57m

Great Falls

Mon 10/19

6:15 am-8:16 am

Nonstop2h 01m

$309

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Thu 10/15

7:25 pm-9:22 pm

Nonstop1h 57m

Great Falls

Mon 10/19

2:37 pm-4:40 pm

Nonstop2h 03m

$309

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Wed 10/14

5:25 am-12:38 pm

1 stop7h 13m

Great Falls

Mon 10/19

6:27 pm-10:40 pm

1 stop4h 13m

$328

Los AngelesGreat Falls

LAX Los Angeles Los Angeles - GTF Great Falls

LAXGTF

Los Angeles Los Angeles

Mon 11/2

7:00 am-4:30 pm

1 stop8h 30m

Great Falls

Tue 11/10

5:10 pm-10:59 pm

1 stop6h 49m

$448

Grand RapidsGreat Falls

GRR Grand Rapids Gerald R. Ford Intl - GTF Great Falls

GRRGTF

Grand Rapids Gerald R. Ford Intl

Wed 12/23

1:15 pm-10:50 am

1 stop23h 35m

Great Falls

Thu 12/31

11:40 am-7:34 pm

1 stop29h 54m

$820

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 January is another great option to travel to Great Falls, with average flight prices from United States averaging around $407.

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 $299. This is 31% 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	54% 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	93% 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	$135
Best Round-Trip Price	$207
Fastest flight time	4h 38m
Popular in	March

The best one-way flight price to Great Falls from United States in the last 5 days is $135 (Los Angeles Los Angeles to Great Falls).

Search Deals

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).

Search Deals

The fastest flight to Great Falls from United States takes 4h 38m (Santa Ana J. Wayne/Orange Cnty to Great Falls).

Search Deals

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 $436 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.

Shelby

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.