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 12,976 reviews on momondo.

Delta Flights to Great Falls

Delta (7.8/10, 8,610 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 12 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 5h 41m on average. Another popular route from United States to Great Falls is flying from Miami to Great Falls, which will take roughly 7h 39m. Keep in mind that layovers or delays could extend your travel time.

$134 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.

1:50 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

$207Alaska Airlines

Sat, Nov 14 - Tue, Nov 17

7:54 pm - 3:28 pmDEN Denver Intl-GTF Great Falls

19h 34m1 stop Seattle/Tacoma Intl

4:08 pm - 11:17 pmGTF Great Falls-DEN Denver Intl

7h 09m1 stop Seattle/Tacoma Intl

$308Alaska Airlines

Tue, Jan 5 - Tue, Jan 12

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 - Sun, Oct 18

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

Sat, Oct 17 - Thu, Oct 22

11:31 am - 1:29 pmDEN Denver Intl-GTF Great Falls

1h 58mnonstop

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

1h 52mnonstop

$325United Airlines

Wed, Jan 20 - Sun, Jan 24

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

$328Delta

Sat, Oct 17 - Thu, Oct 22

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

7h 02m1 stop Salt Lake City

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

4h 50m1 stop Salt Lake City

$328Delta

Fri, Nov 6 - Fri, Nov 13

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

7h 02m1 stop Salt Lake City

6:27 pm - 11:04 pmGTF Great Falls-DEN Denver Intl

4h 37m1 stop Salt Lake City

$328Delta

Tue, Oct 20 - Mon, Oct 26

10:03 pm - 10:36 amDFW Dallas/Fort Worth-GTF Great Falls

37h 33m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl

9:34 am - 11:01 pmGTF Great Falls-DFW Dallas/Fort Worth

12h 27m1 stop Phoenix-Mesa Gateway

$517Multiple Airlines

Tue, Nov 17 - Tue, Nov 24

Cheap last minute flights

Enter your travel dates to find the best prices.

8:05 am - 12:35 pmDEN Denver Intl-GTF Great Falls

4h 30m1 stop Salt Lake City

5:40 am - 12:09 pmGTF Great Falls-DEN Denver Intl

6h 29m1 stop Salt Lake City

$438Delta

Fri, Oct 2 - Sun, Oct 4

5:45 am - 12:35 pmSFO San Francisco-GTF Great Falls

5h 50m1 stop Salt Lake City

6:21 pm - 11:59 pmGTF Great Falls-SFO San Francisco

6h 38m1 stop Salt Lake City

$458Delta

Wed, Sep 30 - Fri, Oct 2

5:45 am - 12:35 pmSFO San Francisco-GTF Great Falls

5h 50m1 stop Salt Lake City

1:15 pm - 9:34 pmGTF Great Falls-SFO San Francisco

9h 19m2 stops Salt Lake City Los Angeles

$464Delta

Wed, Sep 30 - Fri, Oct 2

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

$479United Airlines

Mon, Sep 28 - Mon, Oct 5

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

$479United Airlines

Fri, Oct 2 - Sun, Oct 4

1:02 pm - 4:35 pmDFW Dallas/Fort Worth-GTF Great Falls

28h 33m1 stop Seattle/Tacoma Intl

5:15 pm - 6:20 amGTF Great Falls-DFW Dallas/Fort Worth

12h 05m1 stop Seattle/Tacoma Intl

$518Alaska Airlines

Fri, Oct 2 - Mon, Oct 5

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

$519United Airlines

Fri, Oct 2 - Sun, Oct 4

2:02 pm - 4:39 pmSEA Seattle/Tacoma Intl-GTF Great Falls

1h 37mnonstop

5:15 pm - 6:08 pmGTF Great Falls-SEA Seattle/Tacoma Intl

1h 53mnonstop

$522Alaska Airlines

Fri, Oct 2 - Tue, Oct 6

5:41 pm - 4:39 pmDEN Denver Intl-GTF Great Falls

22h 58m1 stop Seattle/Tacoma Intl

5:15 pm - 10:37 pmGTF Great Falls-DEN Denver Intl

5h 22m1 stop Seattle/Tacoma Intl

$528Alaska Airlines

Mon, Sep 28 - Mon, Oct 5

12:43 pm - 9:22 pmSEA Seattle/Tacoma Intl-GTF Great Falls

7h 39m1 stop Denver Intl

5:15 pm - 6:08 pmGTF Great Falls-SEA Seattle/Tacoma Intl

1h 53mnonstop

$896Multiple Airlines

Fri, Oct 2 - Tue, Oct 6

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 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

Sat 11/14

1:50 pm-4:30 pm

Nonstop1h 40m

Great Falls

Tue 11/17

5:10 pm-6:06 pm

Nonstop1h 56m

$207

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Tue 1/5

7:54 pm-3:28 pm

1 stop19h 34m

Great Falls

Tue 1/12

4:08 pm-11:17 pm

1 stop7h 09m

$308

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Thu 10/15

7:25 pm-9:22 pm

Nonstop1h 57m

Great Falls

Sun 10/18

2:37 pm-4:40 pm

Nonstop2h 03m

$309

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Sat 10/17

7:25 pm-9:22 pm

Nonstop1h 57m

Great Falls

Thu 10/22

2:37 pm-4:40 pm

Nonstop2h 03m

$309

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Wed 1/20

11:31 am-1:29 pm

Nonstop1h 58m

Great Falls

Sun 1/24

2:25 pm-4:17 pm

Nonstop1h 52m

$325

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Sat 10/17

10:45 am-5:47 pm

1 stop7h 02m

Great Falls

Thu 10/22

6:27 pm-10:40 pm

1 stop4h 13m

$328

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Fri 11/6

10:45 am-5:47 pm

1 stop7h 02m

Great Falls

Fri 11/13

6:19 pm-11:09 pm

1 stop4h 50m

$328

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Tue 10/20

10:45 am-5:47 pm

1 stop7h 02m

Great Falls

Mon 10/26

6:27 pm-11:04 pm

1 stop4h 37m

$328

DallasGreat Falls

DFW Dallas/Fort Worth - GTF Great Falls

DFWGTF

Dallas/Fort Worth

Tue 11/17

10:03 pm-10:36 am

2 stops37h 33m

Great Falls

Tue 11/24

9:34 am-11:01 pm

1 stop12h 27m

$517

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 41% 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	$134
Best Round-Trip Price	$207
Fastest flight time	1h 40m
Popular in	March

The best one-way flight price to Great Falls from United States in the last 5 days is $134 (Seattle/Tacoma 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).

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The fastest flight to Great Falls from United States takes 1h 40m (Seattle/Tacoma Intl 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 $511 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.

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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.