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 12,795 reviews on momondo.

Delta Flights to Great Falls

Delta (7.8/10, 8,505 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 43m on average. Another popular route from United States to Great Falls is flying from San Francisco to Great Falls, which will take roughly 6h 14m. Keep in mind that layovers or delays could extend your travel time.

$135 Cheap Flights to Great Falls in 2026

Discover deals from 900+ travel sites with momondo.

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

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.

1:40 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

$207Alaska Airlines

Wed, Dec 2 - Wed, Dec 9

11:05 am - 5:47 pmSEA Seattle/Tacoma Intl-GTF Great Falls

5h 42m1 stop Salt Lake City

6:27 pm - 10:05 pmGTF Great Falls-SEA Seattle/Tacoma Intl

4h 38m1 stop Salt Lake City

$216Delta

Wed, Oct 28 - Wed, Nov 4

11:22 am - 5:41 pmSEA Seattle/Tacoma Intl-GTF Great Falls

5h 19m1 stop Salt Lake City

5:40 am - 8:59 amGTF Great Falls-SEA Seattle/Tacoma Intl

4h 19m1 stop Salt Lake City

$216Delta

Wed, Sep 16 - Wed, Sep 23

5:25 am - 12:38 pmSEA Seattle/Tacoma Intl-GTF Great Falls

6h 13m1 stop Salt Lake City

1:18 pm - 7:02 pmGTF Great Falls-SEA Seattle/Tacoma Intl

6h 44m1 stop Salt Lake City

$216Delta

Sat, Oct 31 - Wed, Nov 4

12:45 pm - 9:01 amLAX Los Angeles Los Angeles-GTF Great Falls

19h 16m1 stop Phoenix Sky Harbor Intl

9:51 am - 5:45 pmGTF Great Falls-LAX Los Angeles Los Angeles

8h 54m1 stop Phoenix-Mesa Gateway

$252Multiple Airlines

Wed, Sep 30 - Sun, Oct 4

12:45 pm - 9:01 amLAX Los Angeles Los Angeles-GTF Great Falls

19h 16m1 stop Phoenix Sky Harbor Intl

9:51 am - 2:39 pmGTF Great Falls-LAX Los Angeles Los Angeles

29h 48m2 stops Phoenix-Mesa Gateway Denver Intl

$263Multiple Airlines

Wed, Sep 30 - Sun, Oct 4

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

$269United Airlines

Thu, Sep 10 - Wed, Sep 16

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

$269United Airlines

Wed, Sep 23 - Wed, Sep 30

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

$277Alaska Airlines

Sun, Nov 1 - Wed, Nov 4

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

$282Alaska Airlines

Sat, Sep 26 - Tue, Sep 29

Cheap last minute flights

Enter your travel dates to find the best prices.

1:53 pm - 4:29 pmSEA Seattle/Tacoma Intl-GTF Great Falls

1h 36mnonstop

5:09 pm - 5:59 pmGTF Great Falls-SEA Seattle/Tacoma Intl

1h 50mnonstop

$377Alaska Airlines

Fri, Aug 14 - Mon, Aug 17

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

$439United Airlines

Wed, Aug 12 - Sun, Aug 16

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

$439United Airlines

Thu, Aug 13 - Sat, Aug 15

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

1h 56mnonstop

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

2h 03mnonstop

$439United Airlines

Fri, Aug 14 - Thu, Aug 20

7:05 am - 12:28 pmDEN Denver Intl-GTF Great Falls

5h 23m1 stop Salt Lake City

6:18 pm - 10:55 pmGTF Great Falls-DEN Denver Intl

4h 37m1 stop Salt Lake City

$458Delta

Fri, Aug 14 - Thu, Aug 20

12:07 pm - 9:29 amLAX Los Angeles Los Angeles-GTF Great Falls

20h 22m1 stop Las Vegas Harry Reid Intl

10:19 am - 9:29 amGTF Great Falls-LAX Los Angeles Los Angeles

24h 10m1 stop Las Vegas Harry Reid Intl

$487Multiple Airlines

Thu, Aug 13 - Mon, Aug 17

12:07 pm - 9:29 amLAX Los Angeles Los Angeles-GTF Great Falls

20h 22m1 stop Las Vegas Harry Reid Intl

10:19 am - 11:20 amGTF Great Falls-LAX Los Angeles Los Angeles

26h 01m2 stops Las Vegas Harry Reid Intl Merced Municipal

$496Multiple Airlines

Thu, Aug 13 - Mon, Aug 17

3:56 pm - 10:38 pmDEN Denver Intl-GTF Great Falls

6h 42m1 stop Salt Lake City

6:18 pm - 10:55 pmGTF Great Falls-DEN Denver Intl

4h 37m1 stop Salt Lake City

$503Delta

Fri, Aug 14 - Mon, Aug 17

4:36 pm - 4:29 pmDEN Denver Intl-GTF Great Falls

23h 53m1 stop Seattle/Tacoma Intl

5:09 pm - 11:59 pmGTF Great Falls-DEN Denver Intl

6h 50m1 stop Seattle/Tacoma Intl

$503Alaska Airlines

Fri, Aug 14 - Mon, Aug 17

4:36 pm - 4:29 pmDEN Denver Intl-GTF Great Falls

23h 53m1 stop Seattle/Tacoma Intl

5:09 pm - 11:59 pmGTF Great Falls-DEN Denver Intl

6h 50m1 stop Seattle/Tacoma Intl

$508Alaska Airlines

Fri, Aug 14 - Mon, Aug 17

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 12/2

1:40 pm-4:13 pm

Nonstop1h 33m

Great Falls

Wed 12/9

4:55 pm-5:46 pm

Nonstop1h 51m

$207

SeattleGreat Falls

SEA Seattle/Tacoma Intl - GTF Great Falls

SEAGTF

Seattle/Tacoma Intl

Wed 10/28

11:05 am-5:47 pm

1 stop5h 42m

Great Falls

Wed 11/4

6:27 pm-10:05 pm

1 stop4h 38m

$216

SeattleGreat Falls

SEA Seattle/Tacoma Intl - GTF Great Falls

SEAGTF

Seattle/Tacoma Intl

Wed 9/16

11:22 am-5:41 pm

1 stop5h 19m

Great Falls

Wed 9/23

5:40 am-8:59 am

1 stop4h 19m

$216

SeattleGreat Falls

SEA Seattle/Tacoma Intl - GTF Great Falls

SEAGTF

Seattle/Tacoma Intl

Sat 10/31

5:25 am-12:38 pm

1 stop6h 13m

Great Falls

Wed 11/4

1:18 pm-7:02 pm

1 stop6h 44m

$216

Los AngelesGreat Falls

LAX Los Angeles Los Angeles - GTF Great Falls

LAXGTF

Los Angeles Los Angeles

Wed 9/30

12:45 pm-9:01 am

1 stop19h 16m

Great Falls

Sun 10/4

9:51 am-5:45 pm

1 stop8h 54m

$252

Los AngelesGreat Falls

LAX Los Angeles Los Angeles - GTF Great Falls

LAXGTF

Los Angeles Los Angeles

Wed 9/30

12:45 pm-9:01 am

1 stop19h 16m

Great Falls

Sun 10/4

9:51 am-2:39 pm

2 stops29h 48m

$263

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Thu 9/10

7:15 pm-9:12 pm

Nonstop1h 57m

Great Falls

Wed 9/16

6:15 am-8:16 am

Nonstop2h 01m

$269

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Wed 9/23

11:33 am-1:29 pm

Nonstop1h 56m

Great Falls

Wed 9/30

6:15 am-8:16 am

Nonstop2h 01m

$269

SeattleGreat Falls

SEA Seattle/Tacoma Intl - GTF Great Falls

SEAGTF

Seattle/Tacoma Intl

Sun 11/1

1:39 pm-4:19 pm

Nonstop1h 40m

Great Falls

Wed 11/4

4:59 pm-5:55 pm

Nonstop1h 56m

$277

SeattleGreat Falls

SEA Seattle/Tacoma Intl - GTF Great Falls

SEAGTF

Seattle/Tacoma Intl

Sat 9/26

2:02 pm-4:39 pm

Nonstop1h 37m

Great Falls

Tue 9/29

5:19 pm-6:08 pm

Nonstop1h 49m

$282

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 August is another great option to travel to Great Falls, with average flight prices from United States averaging around $428.

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 $273. This is 23% 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	52% 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	100% 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	5h 26m
Popular in	March

The best one-way flight price to Great Falls from United States in the last 5 days is $135 (Denver Intl 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 5h 26m (Lambert-St Louis to Great Falls).

Search Deals

March has the highest demand for flights to Great Falls, with a 41% price increase on average.

Search Deals

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 $353 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 August 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.