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 12,844 reviews on momondo.

Delta Flights to Great Falls

Delta (7.8/10, 8,532 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 and flying into Great Falls (one of the most popular routes), then the duration is 7h 41m on average. Another popular route from United States to Great Falls is flying from San Francisco to Great Falls, which will take roughly 5h 50m. Keep in mind that layovers or delays could extend your travel time.

$149 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.

7:00 am - 9:01 amDEN Denver Intl-GTF Great Falls

26h 01m1 stop Phoenix Sky Harbor Intl

9:51 am - 11:46 pmGTF Great Falls-DEN Denver Intl

13h 55m1 stop Phoenix-Mesa Gateway

$229Multiple Airlines

Wed, Oct 14 - Thu, Oct 22

9:07 am - 9:01 amDEN Denver Intl-GTF Great Falls

23h 54m2 stops Salt Lake City Phoenix Sky Harbor Intl

9:51 am - 11:46 pmGTF Great Falls-DEN Denver Intl

13h 55m1 stop Phoenix-Mesa Gateway

$267Multiple Airlines

Wed, Oct 14 - Thu, Oct 22

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

1h 57mnonstop

2:45 pm - 4:39 pmGTF Great Falls-DEN Denver Intl

1h 54mnonstop

$269United Airlines

Fri, Oct 23 - Sun, Oct 25

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

Sun, Sep 20 - Sun, Sep 27

7:20 pm - 9:20 pmDEN Denver Intl-GTF Great Falls

2h 00mnonstop

2:25 pm - 4:17 pmGTF Great Falls-DEN Denver Intl

1h 52mnonstop

$269United Airlines

Thu, Feb 4 - Tue, Feb 9

10:45 am - 5:47 pmDEN Denver Intl-GTF Great Falls

7h 02m1 stop Salt Lake City

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

4h 13m1 stop Salt Lake City

$288Delta

Fri, Oct 23 - Sun, Oct 25

6:06 pm - 10:37 pmDEN Denver Intl-GTF Great Falls

4h 31m1 stop Salt Lake City

5:40 am - 9:50 amGTF Great Falls-DEN Denver Intl

4h 10m1 stop Salt Lake City

$288Delta

Tue, Sep 22 - Tue, Sep 29

12:45 pm - 5:43 pmDEN Denver Intl-GTF Great Falls

4h 58m1 stop Salt Lake City

5:30 am - 9:44 amGTF Great Falls-DEN Denver Intl

4h 14m1 stop Salt Lake City

$288Delta

Thu, Feb 4 - Tue, Feb 9

7:01 am - 4:19 pmMSP Minneapolis St Paul-GTF Great Falls

10h 18m1 stop Seattle/Tacoma Intl

4:59 pm - 11:55 pmGTF Great Falls-MSP Minneapolis St Paul

5h 56m1 stop Seattle/Tacoma Intl

$338Alaska Airlines

Wed, Nov 11 - Thu, Nov 12

7:00 am - 3:28 pmMSP Minneapolis St Paul-GTF Great Falls

9h 28m1 stop Seattle/Tacoma Intl

4:08 pm - 11:59 pmGTF Great Falls-MSP Minneapolis St Paul

6h 51m1 stop Seattle/Tacoma Intl

$363Alaska Airlines

Thu, Feb 4 - Sun, Feb 7

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

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

2h 03mnonstop

$344United Airlines

Sat, Aug 29 - Sat, Sep 5

6:28 pm - 10:38 pmDEN Denver Intl-GTF Great Falls

4h 10m1 stop Salt Lake City

1:08 pm - 8:01 pmGTF Great Falls-DEN Denver Intl

6h 53m1 stop Salt Lake City

$363Delta

Sat, Aug 29 - Sat, Sep 5

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

$424United Airlines

Sun, Aug 30 - Tue, Sep 15

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

$459United Airlines

Thu, Aug 27 - Thu, Sep 3

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

6h 57m1 stop Denver Intl

2:25 pm - 11:19 pmGTF Great Falls-IAD Washington, D.C. Dulles Intl

6h 54m1 stop Denver Intl

$463United Airlines

Sat, Aug 29 - Sat, Sep 5

7:00 am - 12:28 pmIAD Washington, D.C. Dulles Intl-GTF Great Falls

7h 28m1 stop Salt Lake City

1:08 pm - 12:34 amGTF Great Falls-IAD Washington, D.C. Dulles Intl

9h 26m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$469Delta

Sat, Aug 29 - Sat, Sep 5

12:29 pm - 10:38 pmIAD Washington, D.C. Dulles Intl-GTF Great Falls

12h 09m2 stops New York John F Kennedy Intl Salt Lake City

1:08 pm - 12:34 amGTF Great Falls-IAD Washington, D.C. Dulles Intl

9h 26m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$474Delta

Sat, Aug 29 - Sat, Sep 5

8:22 am - 4:38 pmDEN Denver Intl-GTF Great Falls

8h 16m1 stop Seattle/Tacoma Intl

5:19 pm - 11:19 pmGTF Great Falls-DEN Denver Intl

6h 00m1 stop Seattle/Tacoma Intl

$567Alaska Airlines

Sun, Aug 30 - Tue, Sep 15

5:21 pm - 4:38 pmMSP Minneapolis St Paul-GTF Great Falls

24h 17m1 stop Seattle/Tacoma Intl

5:18 pm - 1:55 pmGTF Great Falls-MSP Minneapolis St Paul

19h 37m1 stop Seattle/Tacoma Intl

$673Alaska Airlines

Thu, Aug 27 - Sat, Aug 29

3:00 pm - 4:38 pmDEN Denver Intl-GTF Great Falls

25h 38m1 stop Seattle/Tacoma Intl

5:25 pm - 11:07 amGTF Great Falls-DEN Denver Intl

17h 42m2 stops Seattle/Tacoma Intl Portland

$691Alaska Airlines

Sat, Aug 29 - Sat, Sep 5

Fly from

Route

Depart

Return

Price

Cheapest round-trip

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Wed 10/14

7:00 am-9:01 am

1 stop26h 01m

Great Falls

Thu 10/22

9:51 am-11:46 pm

1 stop13h 55m

$229

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Wed 10/14

9:07 am-9:01 am

2 stops23h 54m

Great Falls

Thu 10/22

9:51 am-11:46 pm

1 stop13h 55m

$267

Quickest round-trip

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Fri 10/23

7:25 pm-9:22 pm

Nonstop1h 57m

Great Falls

Sun 10/25

2:45 pm-4:39 pm

Nonstop1h 54m

$269

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Sun 9/20

7:15 pm-9:12 pm

Nonstop1h 57m

Great Falls

Sun 9/27

6:15 am-8:16 am

Nonstop2h 01m

$269

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Thu 2/4

7:20 pm-9:20 pm

Nonstop2h 00m

Great Falls

Tue 2/9

2:25 pm-4:17 pm

Nonstop1h 52m

$269

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Fri 10/23

10:45 am-5:47 pm

1 stop7h 02m

Great Falls

Sun 10/25

6:27 pm-10:40 pm

1 stop4h 13m

$288

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Tue 9/22

6:06 pm-10:37 pm

1 stop4h 31m

Great Falls

Tue 9/29

5:40 am-9:50 am

1 stop4h 10m

$288

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Thu 2/4

12:45 pm-5:43 pm

1 stop4h 58m

Great Falls

Tue 2/9

5:30 am-9:44 am

1 stop4h 14m

$288

MinneapolisGreat Falls

MSP Minneapolis St Paul - GTF Great Falls

MSPGTF

Minneapolis St Paul

Wed 11/11

7:01 am-4:19 pm

1 stop10h 18m

Great Falls

Thu 11/12

4:59 pm-11:55 pm

1 stop5h 56m

$338

MinneapolisGreat Falls

MSP Minneapolis St Paul - GTF Great Falls

MSPGTF

Minneapolis St Paul

Thu 2/4

7:00 am-3:28 pm

1 stop9h 28m

Great Falls

Sun 2/7

4:08 pm-11:59 pm

1 stop6h 51m

$363

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 $288. This is 24% 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	$149
Best Round-Trip Price	$229
Fastest flight time	7h 41m
Popular in	March

The best one-way flight price to Great Falls from United States in the last 5 days is $149 (Minneapolis St Paul 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 $229 (Denver Intl to Great Falls).

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The fastest flight to Great Falls from United States takes 7h 41m (Washington, D.C. Dulles Intl to Great Falls).

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March has the highest demand for flights to Great Falls, with a 36% 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 $379 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.