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 $146 (Seattle/Tacoma Intl to Great Falls). Users have rated Alaska Airlines 7.9/10 in over 12,274 reviews on momondo.

Delta Flights to Great Falls

Delta (7.9/10, 8,442 reviews) is also a popular choice for flights to Great Falls, with deals from as low as $239 from Boston Logan Intl, round-trip. With 20 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 37m on average. Another popular route from United States to Great Falls is flying from San Francisco to Great Falls, which will take roughly 4h 22m. Keep in mind that layovers or delays could extend your travel time.

$145 Cheap Flights to Great Falls in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

10:04 pm - 10:52 am

SAN

GTF

11h 48m

1 stop

11:42 am - 9:04 pm

GTF

SAN

10h 22m

1 stop

$197Multiple Airlines

Thu, May 7 - Mon, May 11

10:07 pm - 9:34 am

SAN

GTF

10h 27m

1 stop

9:07 pm - 12:43 pm

GTF

SAN

16h 36m

1 stop

$258Multiple Airlines

Thu, May 28 - Sun, May 31

7:38 pm - 9:34 pm

DEN

GTF

1h 56mnonstop

6:15 am - 8:15 am

GTF

DEN

2h 00mnonstop

$259United Airlines

Fri, Jul 3 - Tue, Jul 14

10:04 pm - 10:52 am

SAN

GTF

11h 48m

1 stop

11:42 am - 3:31 pm

GTF

SAN

28h 49m

2 stops

$265Multiple Airlines

Thu, May 7 - Mon, May 11

7:38 pm - 9:34 pm

DEN

GTF

1h 56mnonstop

2:37 pm - 4:37 pm

GTF

DEN

2h 00mnonstop

$275United Airlines

Wed, Jun 17 - Mon, Jun 22

6:19 pm - 10:26 pm

DEN

GTF

4h 07m

1 stop

6:35 pm - 10:41 pm

GTF

DEN

4h 06m

1 stop

$278Delta

Tue, Jun 2 - Sun, Jun 7

11:35 am - 1:34 pm

DEN

GTF

1h 59mnonstop

6:15 am - 8:21 am

GTF

DEN

2h 06mnonstop

$279United Airlines

Sat, May 9 - Mon, May 11

6:00 am - 5:35 pm

DEN

GTF

11h 35m

1 stop

6:15 pm - 10:54 am

GTF

DEN

16h 39m

1 stop

$298Alaska Airlines

Wed, May 6 - Sat, May 9

7:02 am - 4:38 pm

MSP

GTF

10h 36m

1 stop

5:18 pm - 1:55 pm

GTF

MSP

19h 37m

1 stop

$308Alaska Airlines

Fri, Aug 28 - Fri, Sep 4

12:35 pm - 5:39 pm

DFW

GTF

6h 04m

1 stop

5:30 am - 6:41 pm

GTF

DFW

12h 11m

2 stops

$344Delta

Fri, Sep 11 - Mon, Sep 14

Fly from

Route

Depart

Return

Price

Cheapest round-trip

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Thu 5/7

10:04 pm-10:52 am

1 stop11h 48m

Great Falls

Mon 5/11

11:42 am-9:04 pm

1 stop10h 22m

$197

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Thu 5/28

10:07 pm-9:34 am

1 stop10h 27m

Great Falls

Sun 5/31

9:07 pm-12:43 pm

1 stop16h 36m

$258

Quickest round-trip

DenverGreat Falls

DEN - GTF

DENGTF

Denver Intl

Fri 7/3

7:38 pm-9:34 pm

Nonstop1h 56m

Great Falls

Tue 7/14

6:15 am-8:15 am

Nonstop2h 00m

$259

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Thu 5/7

10:04 pm-10:52 am

1 stop11h 48m

Great Falls

Mon 5/11

11:42 am-3:31 pm

2 stops28h 49m

$265

DenverGreat Falls

DEN - GTF

DENGTF

Denver Intl

Wed 6/17

7:38 pm-9:34 pm

Nonstop1h 56m

Great Falls

Mon 6/22

2:37 pm-4:37 pm

Nonstop2h 00m

$275

DenverGreat Falls

DEN - GTF

DENGTF

Denver Intl

Tue 6/2

6:19 pm-10:26 pm

1 stop4h 07m

Great Falls

Sun 6/7

6:35 pm-10:41 pm

1 stop4h 06m

$278

DenverGreat Falls

DEN - GTF

DENGTF

Denver Intl

Sat 5/9

11:35 am-1:34 pm

Nonstop1h 59m

Great Falls

Mon 5/11

6:15 am-8:21 am

Nonstop2h 06m

$279

DenverGreat Falls

DEN - GTF

DENGTF

Denver Intl

Wed 5/6

6:00 am-5:35 pm

1 stop11h 35m

Great Falls

Sat 5/9

6:15 pm-10:54 am

1 stop16h 39m

$298

MinneapolisGreat Falls

MSP - GTF

MSPGTF

Minneapolis St Paul

Fri 8/28

7:02 am-4:38 pm

1 stop10h 36m

Great Falls

Fri 9/4

5:18 pm-1:55 pm

1 stop19h 37m

$308

DallasGreat Falls

DFW - GTF

DFWGTF

Dallas/Fort Worth

Fri 9/11

12:35 pm-5:39 pm

1 stop6h 04m

Great Falls

Mon 9/14

5:30 am-6:41 pm

2 stops12h 11m

$344

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 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 $258. This is 10% 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 Great Falls

CHEAPEST MONTH TO FLY TO GREAT FALLS FROM LOS ANGELES	May	27% cheaper	Flying from Los Angeles to Great Falls costs on average just $261 in May
MOST EXPENSIVE MONTH TO FLY TO GREAT FALLS FROM LOS ANGELES	December	97% 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	433% 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	$145
Best Round-Trip Price	$197
Fastest flight time	4h 25m
Popular in	December

The best one-way flight price to Great Falls from United States in the last 72 hours is $145 (Denver Intl to Great Falls).

Search Deals

The best round-trip flight price to Great Falls from United States in the last 72 hours is $197 (San Diego to Great Falls).

Search Deals

The fastest flight to Great Falls from United States takes 4h 25m (San Diego to Great Falls).

Search Deals

December has the highest demand for flights to Great Falls, with a 2% price increase on average.

Search Deals

Frequently asked questions about flying to Great Falls

What is the cheapest month to fly to Great Falls?

The month of February is another great option to travel to Great Falls, with average flight prices from United States averaging around $436.

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 $288 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 April 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.