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 13,122 reviews on momondo.

Delta Flights to Great Falls

Delta (7.8/10, 8,681 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 4 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 26m on average. Another popular route from United States to Great Falls is flying from Miami to Great Falls, which will take roughly 8h 11m. Keep in mind that layovers or delays could extend your travel time.

$139 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.

1:40 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

$217Alaska Airlines

Sat, Feb 20 - Sat, Mar 6

1:35 pm - 4:11 pmSEA Seattle/Tacoma Intl-GTF Great Falls

1h 36mnonstop

5:12 pm - 6:12 pmGTF Great Falls-SEA Seattle/Tacoma Intl

2h 00mnonstop

$222Alaska Airlines

Thu, Dec 3 - Tue, Dec 22

5:45 am - 12:27 pmSEA Seattle/Tacoma Intl-GTF Great Falls

5h 42m1 stop Salt Lake City

6:20 pm - 12:11 amGTF Great Falls-SEA Seattle/Tacoma Intl

6h 51m1 stop Salt Lake City

$246Delta

Mon, Jan 18 - Thu, Jan 28

7:03 am - 4:30 pmDEN Denver Intl-GTF Great Falls

9h 27m1 stop Seattle/Tacoma Intl

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

7h 18m1 stop Seattle/Tacoma Intl

$308Alaska Airlines

Thu, Nov 19 - Mon, Nov 23

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

$329United Airlines

Thu, Nov 19 - Mon, Nov 23

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

2h 04mnonstop

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

1h 59mnonstop

$329United Airlines

Fri, Dec 4 - Tue, Dec 8

9:25 am - 5:39 pmSEA Seattle/Tacoma Intl-GTF Great Falls

7h 14m1 stop Salt Lake City

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

6h 40m1 stop Salt Lake City

$332Delta

Sun, Nov 15 - Sun, Nov 22

10:45 am - 5:39 pmDEN Denver Intl-GTF Great Falls

6h 54m1 stop Salt Lake City

6:19 pm - 11:09 pmGTF Great Falls-DEN Denver Intl

4h 50m1 stop Salt Lake City

$368Delta

Tue, Nov 10 - Tue, Nov 17

9:07 pm - 10:36 amSAN San Diego-GTF Great Falls

12h 29m1 stop Phoenix Sky Harbor Intl

8:57 pm - 12:07 pmGTF Great Falls-SAN San Diego

16h 10m1 stop Phoenix-Mesa Gateway

$388Multiple Airlines

Sat, Nov 21 - Sat, Nov 28

9:07 pm - 10:36 amSAN San Diego-GTF Great Falls

12h 29m1 stop Phoenix Sky Harbor Intl

8:57 pm - 7:55 amGTF Great Falls-SAN San Diego

35h 58m2 stops Phoenix-Mesa Gateway Las Vegas Harry Reid Intl

$451Multiple Airlines

Sat, Nov 21 - Sat, Nov 28

Cheap last minute flights

Enter your travel dates to find the best prices.

5:57 pm - 4:35 pmDEN Denver Intl-GTF Great Falls

22h 38m1 stop Seattle/Tacoma Intl

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

5h 28m1 stop Seattle/Tacoma Intl

$343Alaska Airlines

Fri, Oct 30 - Fri, Nov 13

12:57 pm - 5:47 pmDEN Denver Intl-GTF Great Falls

4h 50m1 stop Salt Lake City

5:30 am - 12:03 pmGTF Great Falls-DEN Denver Intl

6h 33m1 stop Salt Lake City

$403Delta

Fri, Oct 30 - Fri, Nov 13

12:57 pm - 5:47 pmDEN Denver Intl-GTF Great Falls

4h 50m1 stop Salt Lake City

1:18 pm - 7:34 pmGTF Great Falls-DEN Denver Intl

6h 16m1 stop Salt Lake City

$458Delta

Fri, Oct 30 - Sun, Nov 1

12:57 pm - 5:47 pmDEN Denver Intl-GTF Great Falls

4h 50m1 stop Salt Lake City

1:18 pm - 7:34 pmGTF Great Falls-DEN Denver Intl

6h 16m1 stop Salt Lake City

$478Delta

Fri, Oct 30 - Sun, Nov 1

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

2h 04mnonstop

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

1h 59mnonstop

$484United Airlines

Fri, Oct 30 - Fri, Nov 13

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

2h 04mnonstop

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

1h 59mnonstop

$539United Airlines

Fri, Oct 30 - Sun, Nov 1

7:07 am - 4:35 pmDEN Denver Intl-GTF Great Falls

9h 28m1 stop Seattle/Tacoma Intl

5:10 pm - 12:57 pmGTF Great Falls-DEN Denver Intl

19h 47m2 stops Seattle/Tacoma Intl San Diego

$551Alaska Airlines

Fri, Oct 30 - Fri, Nov 13

5:57 pm - 4:35 pmDEN Denver Intl-GTF Great Falls

22h 38m1 stop Seattle/Tacoma Intl

5:10 pm - 12:57 pmGTF Great Falls-DEN Denver Intl

19h 47m2 stops Seattle/Tacoma Intl San Diego

$551Alaska Airlines

Fri, Oct 30 - Fri, Nov 13

1:15 pm - 9:38 pmMCO Orlando-GTF Great Falls

10h 23m2 stops Houston George Bush Intcntl Denver Intl

6:30 am - 9:37 pmGTF Great Falls-MCO Orlando

13h 07m2 stops Denver Intl Chicago O'Hare Intl

$679United Airlines

Sat, Oct 31 - Sat, Nov 7

4:00 pm - 4:35 pmSAN San Diego-GTF Great Falls

23h 35m2 stops San Francisco Seattle/Tacoma Intl

5:10 pm - 9:57 amGTF Great Falls-SAN San Diego

17h 47m2 stops Seattle/Tacoma Intl San Francisco

$755Alaska Airlines

Wed, Oct 28 - Tue, Nov 3

Recent direct flight deals from the United States to Great Falls

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

$217Alaska Airlines

Sat, Feb 20 - Sat, Mar 6

1:35 pm - 4:11 pmSEA Seattle/Tacoma Intl-GTF Great Falls

1h 36mnonstop

5:12 pm - 6:12 pmGTF Great Falls-SEA Seattle/Tacoma Intl

2h 00mnonstop

$222Alaska Airlines

Thu, Dec 3 - Tue, Dec 22

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

$329United Airlines

Thu, Nov 19 - Mon, Nov 23

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

2h 04mnonstop

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

1h 59mnonstop

$329United Airlines

Fri, Dec 4 - Tue, Dec 8

1:55 pm - 4:32 pmSEA Seattle/Tacoma Intl-GTF Great Falls

1h 37mnonstop

5:12 pm - 6:12 pmGTF Great Falls-SEA Seattle/Tacoma Intl

2h 00mnonstop

$347Alaska Airlines

Tue, Dec 22 - Fri, Dec 25

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

$369United Airlines

Thu, Nov 5 - Mon, Nov 9

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

2h 04mnonstop

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

1h 59mnonstop

$369United Airlines

Fri, Nov 6 - Tue, Nov 10

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

$372Alaska Airlines

Sun, Nov 15 - Sun, Nov 22

1:25 pm - 4:01 pmSEA Seattle/Tacoma Intl-GTF Great Falls

1h 36mnonstop

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

1h 54mnonstop

$398Alaska Airlines

Sun, Nov 22 - Sun, Nov 29

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

$398Alaska Airlines

Sat, Nov 14 - Tue, Nov 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

Sat 2/20

1:40 pm-4:13 pm

Nonstop1h 33m

Great Falls

Sat 3/6

4:55 pm-5:46 pm

Nonstop1h 51m

$217

SeattleGreat Falls

SEA Seattle/Tacoma Intl - GTF Great Falls

SEAGTF

Seattle/Tacoma Intl

Thu 12/3

1:35 pm-4:11 pm

Nonstop1h 36m

Great Falls

Tue 12/22

5:12 pm-6:12 pm

Nonstop2h 00m

$222

SeattleGreat Falls

SEA Seattle/Tacoma Intl - GTF Great Falls

SEAGTF

Seattle/Tacoma Intl

Mon 1/18

5:45 am-12:27 pm

1 stop5h 42m

Great Falls

Thu 1/28

6:20 pm-12:11 am

1 stop6h 51m

$246

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Thu 11/19

7:03 am-4:30 pm

1 stop9h 27m

Great Falls

Mon 11/23

4:41 pm-11:59 pm

1 stop7h 18m

$308

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Thu 11/19

7:30 pm-9:38 pm

Nonstop2h 08m

Great Falls

Mon 11/23

2:45 pm-4:39 pm

Nonstop1h 54m

$329

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Fri 12/4

11:45 am-1:49 pm

Nonstop2h 04m

Great Falls

Tue 12/8

6:30 am-8:29 am

Nonstop1h 59m

$329

SeattleGreat Falls

SEA Seattle/Tacoma Intl - GTF Great Falls

SEAGTF

Seattle/Tacoma Intl

Sun 11/15

9:25 am-5:39 pm

1 stop7h 14m

Great Falls

Sun 11/22

6:19 pm-11:59 pm

1 stop6h 40m

$332

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Tue 11/10

10:45 am-5:39 pm

1 stop6h 54m

Great Falls

Tue 11/17

6:19 pm-11:09 pm

1 stop4h 50m

$368

San DiegoGreat Falls

SAN San Diego - GTF Great Falls

SANGTF

San Diego

Sat 11/21

9:07 pm-10:36 am

1 stop12h 29m

Great Falls

Sat 11/28

8:57 pm-12:07 pm

1 stop16h 10m

$388

San DiegoGreat Falls

SAN San Diego - GTF Great Falls

SANGTF

San Diego

Sat 11/21

9:07 pm-10:36 am

1 stop12h 29m

Great Falls

Sat 11/28

8:57 pm-7:55 am

2 stops35h 58m

$451

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 Seattle for $378. 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.

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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	$139
Best Round-Trip Price	$217
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 $139 (San Francisco 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 $217 (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).

Search Deals

March has the highest demand for flights to Great Falls, with a 40% 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 $496 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 October 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.