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 12,772 reviews on momondo.

Delta Flights to Great Falls

Delta (7.8/10, 8,493 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 Los Angeles and flying into Great Falls (one of the most popular routes), then the duration is 5h 32m 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.

$170 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.

7:15 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

Wed, Sep 23 - Wed, Sep 30

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 16 - Wed, Sep 23

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 2 - Wed, Sep 9

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 3 - Thu, Sep 10

5:35 am - 12:28 pmDEN Denver Intl-GTF Great Falls

6h 53m1 stop Salt Lake City

5:40 am - 12:04 pmGTF Great Falls-DEN Denver Intl

6h 24m1 stop Salt Lake City

$288Delta

Thu, Aug 27 - Sun, Aug 30

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

4h 30m1 stop Salt Lake City

1:15 pm - 7:40 pmGTF Great Falls-DEN Denver Intl

6h 25m1 stop Salt Lake City

$288Delta

Wed, Sep 16 - Wed, Sep 23

6:12 pm - 10:29 pmDFW Dallas/Fort Worth-GTF Great Falls

5h 17m1 stop Salt Lake City

5:40 am - 11:33 amGTF Great Falls-DFW Dallas/Fort Worth

4h 53m1 stop Salt Lake City

$328Delta

Sat, Sep 5 - Sun, Sep 13

7:17 am - 4:17 pmEWR Newark-GTF Great Falls

11h 00m1 stop Seattle/Tacoma Intl

4:57 pm - 6:04 amGTF Great Falls-EWR Newark

11h 07m1 stop Seattle/Tacoma Intl

$348Alaska Airlines

Fri, Nov 13 - Tue, Nov 17

5:59 pm - 4:39 pmDFW Dallas/Fort Worth-GTF Great Falls

23h 40m1 stop Seattle/Tacoma Intl

5:19 pm - 5:00 amGTF Great Falls-DFW Dallas/Fort Worth

10h 41m1 stop Seattle/Tacoma Intl

$358Alaska Airlines

Fri, Sep 25 - Mon, Sep 28

1:03 pm - 4:39 pmORD Chicago O'Hare Intl-GTF Great Falls

28h 36m1 stop Seattle/Tacoma Intl

5:19 pm - 6:20 amGTF Great Falls-ORD Chicago O'Hare Intl

12h 01m1 stop Seattle/Tacoma Intl

$358Alaska Airlines

Thu, Sep 24 - Tue, Sep 29

Cheap last minute flights

Enter your travel dates to find the best prices.

9:00 am - 11:46 amORD Chicago O'Hare Intl-GTF Great Falls

3h 46mnonstop

2:25 pm - 10:46 pmGTF Great Falls-ORD Chicago O'Hare Intl

7h 21m1 stop Denver Intl

$522United Airlines

Sat, Aug 8 - Tue, Aug 18

6:59 am - 1:41 pmORD Chicago O'Hare Intl-GTF Great Falls

7h 42m1 stop Denver Intl

2:25 pm - 10:46 pmGTF Great Falls-ORD Chicago O'Hare Intl

7h 21m1 stop Denver Intl

$532United Airlines

Sat, Aug 8 - Tue, Aug 18

8:28 am - 5:38 pmORD Chicago O'Hare Intl-GTF Great Falls

10h 10m2 stops Minneapolis St Paul Salt Lake City

5:40 am - 11:59 amGTF Great Falls-ORD Chicago O'Hare Intl

5h 19m1 stop Salt Lake City

$534Delta

Sat, Aug 8 - Tue, Aug 18

3:56 pm - 9:12 pmORD Chicago O'Hare Intl-GTF Great Falls

6h 16m1 stop Denver Intl

2:25 pm - 9:52 pmGTF Great Falls-ORD Chicago O'Hare Intl

6h 27m1 stop Denver Intl

$536United Airlines

Tue, Aug 11 - Tue, Aug 18

6:00 am - 11:46 amEWR Newark-GTF Great Falls

7h 46m1 stop Chicago O'Hare Intl

6:15 am - 5:37 pmGTF Great Falls-EWR Newark

9h 22m1 stop Denver Intl

$572United Airlines

Sat, Aug 8 - Sun, Sep 6

7:39 am - 12:28 pmBWI Baltimore/Washington-GTF Great Falls

6h 49m1 stop Salt Lake City

5:40 am - 7:50 pmGTF Great Falls-BWI Baltimore/Washington

12h 10m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$624Delta

Fri, Aug 7 - Wed, Aug 12

8:28 am - 5:38 pmIAD Washington, D.C. Dulles Intl-GTF Great Falls

11h 10m2 stops Atlanta Hartsfield-Jackson Salt Lake City

1:08 pm - 11:39 pmGTF Great Falls-IAD Washington, D.C. Dulles Intl

8h 31m1 stop Salt Lake City

$624Delta

Thu, Aug 6 - Wed, Aug 12

8:28 am - 5:38 pmIAD Washington, D.C. Dulles Intl-GTF Great Falls

11h 10m2 stops Atlanta Hartsfield-Jackson Salt Lake City

1:08 pm - 11:39 pmGTF Great Falls-IAD Washington, D.C. Dulles Intl

8h 31m1 stop Salt Lake City

$624Delta

Thu, Aug 6 - Thu, Aug 13

6:15 am - 11:46 amBWI Baltimore/Washington-GTF Great Falls

7h 31m1 stop Chicago O'Hare Intl

6:15 am - 3:12 pmGTF Great Falls-BWI Baltimore/Washington

6h 57m1 stop Denver Intl

$643United Airlines

Sat, Aug 8 - Wed, Aug 12

7:15 am - 4:29 pmLAX Los Angeles Los Angeles-GTF Great Falls

8h 14m2 stops San Francisco Seattle/Tacoma Intl

5:09 pm - 11:56 pmGTF Great Falls-LAX Los Angeles Los Angeles

7h 47m2 stops Seattle/Tacoma Intl Portland

$2,001Alaska Airlines

Sun, Aug 9 - Fri, Aug 14

Fly from

Route

Depart

Return

Price

Cheapest round-trip

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Wed 9/23

7:15 pm-9:12 pm

Nonstop1h 57m

Great Falls

Wed 9/30

6:15 am-8:16 am

Nonstop2h 01m

$269

Quickest round-trip

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Wed 9/16

11:33 am-1:29 pm

Nonstop1h 56m

Great Falls

Wed 9/23

6:15 am-8:16 am

Nonstop2h 01m

$269

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Wed 9/2

11:33 am-1:29 pm

Nonstop1h 56m

Great Falls

Wed 9/9

6:15 am-8:16 am

Nonstop2h 01m

$269

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Thu 9/3

7:15 pm-9:12 pm

Nonstop1h 57m

Great Falls

Thu 9/10

6:15 am-8:16 am

Nonstop2h 01m

$269

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Thu 8/27

5:35 am-12:28 pm

1 stop6h 53m

Great Falls

Sun 8/30

5:40 am-12:04 pm

1 stop6h 24m

$288

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Wed 9/16

8:05 am-12:35 pm

1 stop4h 30m

Great Falls

Wed 9/23

1:15 pm-7:40 pm

1 stop6h 25m

$288

DallasGreat Falls

DFW Dallas/Fort Worth - GTF Great Falls

DFWGTF

Dallas/Fort Worth

Sat 9/5

6:12 pm-10:29 pm

1 stop5h 17m

Great Falls

Sun 9/13

5:40 am-11:33 am

1 stop4h 53m

$328

NewarkGreat Falls

EWR Newark - GTF Great Falls

EWRGTF

Newark

Fri 11/13

7:17 am-4:17 pm

1 stop11h 00m

Great Falls

Tue 11/17

4:57 pm-6:04 am

1 stop11h 07m

$348

DallasGreat Falls

DFW Dallas/Fort Worth - GTF Great Falls

DFWGTF

Dallas/Fort Worth

Fri 9/25

5:59 pm-4:39 pm

1 stop23h 40m

Great Falls

Mon 9/28

5:19 pm-5:00 am

1 stop10h 41m

$358

ChicagoGreat Falls

ORD Chicago O'Hare Intl - GTF Great Falls

ORDGTF

Chicago O'Hare Intl

Thu 9/24

1:03 pm-4:39 pm

1 stop28h 36m

Great Falls

Tue 9/29

5:19 pm-6:20 am

1 stop12h 01m

$358

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 $329. This is 6% 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

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	$170
Best Round-Trip Price	$269
Fastest flight time	6h 53m
Popular in	December

The best one-way flight price to Great Falls from United States in the last 5 days is $170 (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 $269 (Denver Intl to Great Falls).

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The fastest flight to Great Falls from United States takes 6h 53m (Cleveland Hopkins Intl to Great Falls).

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December has the highest demand for flights to Great Falls, with a 0% 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 $349 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.

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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.