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 13,159 reviews on momondo.

Delta Flights to Great Falls

Delta (7.8/10, 8,700 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 7 Delta flights to Great Falls on average each week, prices can vary significantly by origin and availability.

$111 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.

12:52 pm - 3:28 pmSEA Seattle/Tacoma Intl-GTF Great Falls

1h 36mnonstop

4:08 pm - 4:59 pmGTF Great Falls-SEA Seattle/Tacoma Intl

1h 51mnonstop

$232Alaska Airlines

Wed, Feb 3 - Sun, Feb 7

10:36 pm - 10:49 amDEN Denver Intl-GTF Great Falls

36h 13m2 stops Phoenix Sky Harbor Intl Las Vegas Harry Reid Intl

11:39 am - 9:16 amGTF Great Falls-DEN Denver Intl

21h 37m1 stop Las Vegas Harry Reid Intl

$295Multiple Airlines

Wed, Dec 2 - Mon, Dec 14

3:22 pm - 4:11 pmDEN Denver Intl-GTF Great Falls

24h 49m1 stop Seattle/Tacoma Intl

4:51 pm - 11:17 amGTF Great Falls-DEN Denver Intl

18h 26m1 stop Seattle/Tacoma Intl

$318Alaska Airlines

Wed, Dec 9 - Wed, Dec 16

7:00 am - 4:11 pmDEN Denver Intl-GTF Great Falls

9h 11m1 stop Seattle/Tacoma Intl

4:51 pm - 11:17 amGTF Great Falls-DEN Denver Intl

18h 26m1 stop Seattle/Tacoma Intl

$318Alaska Airlines

Sat, Dec 12 - Wed, Dec 16

7:05 pm - 9:13 pmDEN Denver Intl-GTF Great Falls

2h 08mnonstop

6:30 am - 8:29 amGTF Great Falls-DEN Denver Intl

1h 59mnonstop

$339United Airlines

Wed, Dec 9 - Wed, Dec 16

11:45 am - 1:49 pmDEN Denver Intl-GTF Great Falls

2h 04mnonstop

2:47 pm - 4:45 pmGTF Great Falls-DEN Denver Intl

1h 58mnonstop

$339United Airlines

Thu, Dec 10 - Mon, Dec 14

7:05 pm - 9:13 pmDEN Denver Intl-GTF Great Falls

2h 08mnonstop

2:47 pm - 4:45 pmGTF Great Falls-DEN Denver Intl

1h 58mnonstop

$339United Airlines

Sat, Dec 12 - Wed, Dec 16

6:00 am - 5:39 pmSFO San Francisco-GTF Great Falls

10h 39m2 stops Seattle/Tacoma Intl Salt Lake City

6:19 pm - 10:34 pmGTF Great Falls-SFO San Francisco

5h 15m1 stop Salt Lake City

$346Delta

Thu, Dec 10 - Sun, Dec 13

6:00 am - 5:39 pmSFO San Francisco-GTF Great Falls

10h 39m2 stops Seattle/Tacoma Intl Salt Lake City

5:35 am - 1:24 pmGTF Great Falls-SFO San Francisco

8h 49m2 stops Salt Lake City Seattle/Tacoma Intl

$348Delta

Thu, Dec 10 - Sun, Dec 13

6:30 am - 8:50 amGRR Grand Rapids Gerald R. Ford Intl-GTF Great Falls

28h 20m1 stop Phoenix-Mesa Gateway

6:56 pm - 9:49 pmGTF Great Falls-GRR Grand Rapids Gerald R. Ford Intl

24h 53m1 stop Phoenix-Mesa Gateway

$724Allegiant Air

Sat, Dec 19 - Tue, Dec 29

Cheap last minute flights

Enter your travel dates to find the best prices.

7:30 pm - 9:38 pmDEN Denver Intl-GTF Great Falls

2h 08mnonstop

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

1h 54mnonstop

$293United Airlines

Fri, Nov 13 - Sun, Nov 15

11:45 am - 1:49 pmDEN Denver Intl-GTF Great Falls

2h 04mnonstop

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

1h 54mnonstop

$414United Airlines

Sun, Nov 15 - Sun, Nov 22

3:25 pm - 4:30 pmDEN Denver Intl-GTF Great Falls

25h 05m1 stop Seattle/Tacoma Intl

4:41 pm - 11:59 pmGTF Great Falls-DEN Denver Intl

7h 18m1 stop Seattle/Tacoma Intl

$448Alaska Airlines

Fri, Nov 13 - Fri, Nov 20

7:30 pm - 9:38 pmDEN Denver Intl-GTF Great Falls

2h 08mnonstop

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

1h 54mnonstop

$491United Airlines

Thu, Nov 12 - Mon, Nov 30

5:50 am - 12:41 pmSFO San Francisco-GTF Great Falls

5h 51m1 stop Salt Lake City

6:19 pm - 11:59 pmGTF Great Falls-SFO San Francisco

6h 40m1 stop Salt Lake City

$508Delta

Sun, Nov 15 - Wed, Nov 18

9:56 am - 5:39 pmSFO San Francisco-GTF Great Falls

6h 43m1 stop Salt Lake City

6:19 pm - 11:59 pmGTF Great Falls-SFO San Francisco

6h 40m1 stop Salt Lake City

$508Delta

Fri, Nov 13 - Fri, Nov 20

9:56 am - 5:39 pmSFO San Francisco-GTF Great Falls

6h 43m1 stop Salt Lake City

6:19 pm - 11:59 pmGTF Great Falls-SFO San Francisco

6h 40m1 stop Salt Lake City

$508Delta

Fri, Nov 13 - Wed, Nov 18

12:12 pm - 4:30 pmDEN Denver Intl-GTF Great Falls

28h 18m1 stop Seattle/Tacoma Intl

5:10 pm - 10:38 pmGTF Great Falls-DEN Denver Intl

5h 28m1 stop Seattle/Tacoma Intl

$518Alaska Airlines

Wed, Nov 11 - Mon, Nov 16

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

1h 40mnonstop

4:41 pm - 5:35 pmGTF Great Falls-SEA Seattle/Tacoma Intl

1h 54mnonstop

$628Alaska Airlines

Sun, Nov 15 - Mon, Nov 23

5:07 pm - 8:32 amSFO San Francisco-GTF Great Falls

14h 25m1 stop Phoenix Sky Harbor Intl

11:26 am - 5:35 pmGTF Great Falls-SFO San Francisco

31h 09m2 stops Phoenix-Mesa Gateway Las Vegas Harry Reid Intl

$664Multiple Airlines

Sat, Nov 14 - Thu, Nov 19

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 2/3

12:52 pm-3:28 pm

Nonstop1h 36m

Great Falls

Sun 2/7

4:08 pm-4:59 pm

Nonstop1h 51m

$232

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Wed 12/2

10:36 pm-10:49 am

2 stops36h 13m

Great Falls

Mon 12/14

11:39 am-9:16 am

1 stop21h 37m

$295

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Wed 12/9

3:22 pm-4:11 pm

1 stop24h 49m

Great Falls

Wed 12/16

4:51 pm-11:17 am

1 stop18h 26m

$318

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Sat 12/12

7:00 am-4:11 pm

1 stop9h 11m

Great Falls

Wed 12/16

4:51 pm-11:17 am

1 stop18h 26m

$318

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Wed 12/9

7:05 pm-9:13 pm

Nonstop2h 08m

Great Falls

Wed 12/16

6:30 am-8:29 am

Nonstop1h 59m

$339

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Thu 12/10

11:45 am-1:49 pm

Nonstop2h 04m

Great Falls

Mon 12/14

2:47 pm-4:45 pm

Nonstop1h 58m

$339

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Sat 12/12

7:05 pm-9:13 pm

Nonstop2h 08m

Great Falls

Wed 12/16

2:47 pm-4:45 pm

Nonstop1h 58m

$339

San FranciscoGreat Falls

SFO San Francisco - GTF Great Falls

SFOGTF

San Francisco

Thu 12/10

6:00 am-5:39 pm

2 stops10h 39m

Great Falls

Sun 12/13

6:19 pm-10:34 pm

1 stop5h 15m

$346

San FranciscoGreat Falls

SFO San Francisco - GTF Great Falls

SFOGTF

San Francisco

Thu 12/10

6:00 am-5:39 pm

2 stops10h 39m

Great Falls

Sun 12/13

5:35 am-1:24 pm

2 stops8h 49m

$348

Grand RapidsGreat Falls

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

GRRGTF

Grand Rapids Gerald R. Ford Intl

Sat 12/19

6:30 am-8:50 am

1 stop28h 20m

Great Falls

Tue 12/29

6:56 pm-9:49 pm

1 stop24h 53m

$724

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

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 $432.

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 $308. This is 36% 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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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

Cheap Great Falls flight deals and tips

Summary info about Great Falls flight prices, duration and airlines

Best One-Way Price	$111
Best Round-Trip Price	$232
Fastest flight time	1h 36m
Popular in	March

The best one-way flight price to Great Falls from United States in the last 5 days is $111 (Denver 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 $232 (Seattle/Tacoma Intl to Great Falls).

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The fastest flight to Great Falls from United States takes 1h 36m (Seattle/Tacoma Intl to Great Falls).

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March has the highest demand for flights to Great Falls, with a 41% 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 $480 on average, but that price can change based on your departure airport. To save money, try momondo’s Airport-to-Airport Pricing Tool.

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 53m on average. Another popular route from United States to Great Falls is flying from Miami to Great Falls, which will take roughly 7h 37m. Keep in mind that layovers or delays could extend your travel time.

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 November 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.