Cheap flights from Great Falls (GTF) from $194

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Fly to

Route

Depart

Return

Price

Cheapest one-way

Great FallsLas Vegas

GTF Great Falls - LAS Las Vegas Harry Reid Intl

GTFLAS

Great Falls

Fri 8/14

10:19 am-11:34 am

Nonstop2h 15m

$105

Great FallsSeattle

GTF Great Falls - SEA Seattle/Tacoma Intl

GTFSEA

Great Falls

Tue 10/27

5:15 pm-6:08 pm

Nonstop1h 53m

$134

Quickest one-way

Great FallsSeattle

GTF Great Falls - SEA Seattle/Tacoma Intl

GTFSEA

Great Falls

Sat 9/12

5:19 pm-6:08 pm

Nonstop1h 49m

$134

Great FallsSeattle

GTF Great Falls - SEA Seattle/Tacoma Intl

GTFSEA

Great Falls

Wed 9/23

5:19 pm-6:08 pm

Nonstop1h 49m

$134

Great FallsSeattle

GTF Great Falls - SEA Seattle/Tacoma Intl

GTFSEA

Great Falls

Sat 10/17

6:27 pm-10:05 pm

1 stop4h 38m

$138

Great FallsSeattle

GTF Great Falls - SEA Seattle/Tacoma Intl

GTFSEA

Great Falls

Sat 9/26

1:15 pm-4:50 pm

1 stop4h 35m

$138

Great FallsLas Vegas

GTF Great Falls - LAS Las Vegas Harry Reid Intl

GTFLAS

Great Falls

Mon 8/24

6:15 am-10:42 am

1 stop5h 27m

$186

Great FallsLas Vegas

GTF Great Falls - LAS Las Vegas Harry Reid Intl

GTFLAS

Great Falls

Mon 8/24

2:25 pm-8:51 pm

1 stop7h 26m

$186

Great FallsLas Vegas

GTF Great Falls - LAS Las Vegas Harry Reid Intl

GTFLAS

Great Falls

Mon 10/12

5:15 pm-8:05 am

2 stops15h 50m

$218

Great FallsDenver

GTF Great Falls - DEN Denver Intl

GTFDEN

Great Falls

Thu 10/1

9:51 am-9:38 pm

2 stops35h 47m

$230

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Where can I directly fly to from Great Falls?

Currently, 1 destinations can be reached directly via flights from Great Falls.

Flights from Great Falls to

Las Vegas

from$35

Find the cheapest flights from Great Falls

One-way

Last minute

International

Domestic

Cheap one-way flights from Great Falls

Enter your travel dates to find the best prices.

10:19 am - 11:34 amGTF Great Falls-LAS Las Vegas Harry Reid Intl

2h 15mnonstop

$105Allegiant Air

Fri, Aug 14

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

1h 53mnonstop

$134Alaska Airlines

Tue, Oct 27

5:19 pm - 6:08 pmGTF Great Falls-SEA Seattle/Tacoma Intl

1h 49mnonstop

$134Alaska Airlines

Sat, Sep 12

5:19 pm - 6:08 pmGTF Great Falls-SEA Seattle/Tacoma Intl

1h 49mnonstop

$134Alaska Airlines

Wed, Sep 23

6:27 pm - 10:05 pmGTF Great Falls-SEA Seattle/Tacoma Intl

4h 38m1 stop Salt Lake City

$138Delta

Sat, Oct 17

1:15 pm - 4:50 pmGTF Great Falls-SEA Seattle/Tacoma Intl

4h 35m1 stop Salt Lake City

$138Delta

Sat, Sep 26

6:15 am - 10:42 amGTF Great Falls-LAS Las Vegas Harry Reid Intl

5h 27m1 stop Denver Intl

$186United Airlines

Mon, Aug 24

2:25 pm - 8:51 pmGTF Great Falls-LAS Las Vegas Harry Reid Intl

7h 26m1 stop Denver Intl

$186United Airlines

Mon, Aug 24

5:15 pm - 8:05 amGTF Great Falls-LAS Las Vegas Harry Reid Intl

15h 50m2 stops Seattle/Tacoma Intl San Francisco

$218Multiple Airlines

Mon, Oct 12

9:51 am - 9:38 pmGTF Great Falls-DEN Denver Intl

35h 47m2 stops Phoenix-Mesa Gateway Sioux Falls Joe Foss Field

$230Multiple Airlines

Thu, Oct 1

Last-minute flight deals from Great Falls

Enter your travel dates to find the best prices.

10:19 am - 11:34 amGTF Great Falls-LAS Las Vegas Harry Reid Intl

2h 15mnonstop

6:10 am - 9:29 amLAS Las Vegas Harry Reid Intl-GTF Great Falls

2h 19mnonstop

$321Allegiant Air

Fri, Aug 14 - Mon, Aug 17

1:08 pm - 11:08 pmGTF Great Falls-IND Indianapolis

8h 00m1 stop Salt Lake City

7:50 am - 12:28 pmIND Indianapolis-GTF Great Falls

6h 38m1 stop Salt Lake City

$398Delta

Fri, Aug 14 - Thu, Aug 27

1:08 pm - 11:08 pmGTF Great Falls-IND Indianapolis

8h 00m1 stop Salt Lake City

4:16 pm - 10:38 pmIND Indianapolis-GTF Great Falls

8h 22m2 stops Minneapolis St Paul Salt Lake City

$404Delta

Fri, Aug 14 - Sat, Aug 29

6:15 am - 8:16 amGTF Great Falls-DEN Denver Intl

2h 01mnonstop

7:15 pm - 9:12 pmDEN Denver Intl-GTF Great Falls

1h 57mnonstop

$439United Airlines

Thu, Aug 13 - Sun, Aug 16

10:19 am - 11:34 amGTF Great Falls-LAS Las Vegas Harry Reid Intl

2h 15mnonstop

6:10 am - 9:29 amLAS Las Vegas Harry Reid Intl-GTF Great Falls

2h 19mnonstop

$457Allegiant Air

Mon, Aug 10 - Fri, Aug 14

6:15 am - 12:26 pmGTF Great Falls-LAS Las Vegas Harry Reid Intl

7h 11m1 stop Denver Intl

3:06 pm - 9:12 pmLAS Las Vegas Harry Reid Intl-GTF Great Falls

5h 06m1 stop Denver Intl

$496United Airlines

Tue, Aug 11 - Thu, Aug 13

10:19 am - 11:34 amGTF Great Falls-LAS Las Vegas Harry Reid Intl

2h 15mnonstop

11:30 am - 4:29 pmLAS Las Vegas Harry Reid Intl-GTF Great Falls

27h 59m1 stop Seattle/Tacoma Intl

$614Multiple Airlines

Mon, Aug 10 - Fri, Aug 14

5:09 pm - 11:05 pmGTF Great Falls-LAS Las Vegas Harry Reid Intl

6h 56m1 stop Seattle/Tacoma Intl

6:10 am - 9:29 amLAS Las Vegas Harry Reid Intl-GTF Great Falls

2h 19mnonstop

$639Multiple Airlines

Wed, Aug 12 - Fri, Aug 14

5:09 pm - 10:45 pmGTF Great Falls-DEN Denver Intl

5h 36m1 stop Seattle/Tacoma Intl

4:36 pm - 4:29 pmDEN Denver Intl-GTF Great Falls

23h 53m1 stop Seattle/Tacoma Intl

$803Alaska Airlines

Wed, Aug 12 - Fri, Aug 14

5:09 pm - 11:49 pmGTF Great Falls-PHX Phoenix Sky Harbor Intl

7h 40m1 stop Seattle/Tacoma Intl

2:29 pm - 4:38 pmPHX Phoenix Sky Harbor Intl-GTF Great Falls

25h 09m1 stop Seattle/Tacoma Intl

$834Alaska Airlines

Wed, Aug 12 - Mon, Aug 24

Cheapest international flights from Great Falls

Enter your travel dates to find the best prices.

6:15 am - 2:42 pmGTF Great Falls-SJD San José del Cabo Los Cabos

8h 27m1 stop Denver Intl

2:22 pm - 10:30 pmSJD San José del Cabo Los Cabos-GTF Great Falls

8h 08m1 stop Denver Intl

$508United Airlines

Fri, Feb 5 - Fri, Feb 12

4:55 pm - 1:20 pmGTF Great Falls-SJD San José del Cabo Los Cabos

20h 25m1 stop Seattle/Tacoma Intl

5:37 pm - 4:13 pmSJD San José del Cabo Los Cabos-GTF Great Falls

22h 36m1 stop Seattle/Tacoma Intl

$548Alaska Airlines

Sun, Jan 31 - Wed, Feb 3

4:55 pm - 11:12 amGTF Great Falls-SJD San José del Cabo Los Cabos

18h 17m2 stops Seattle/Tacoma Intl San Francisco

5:37 pm - 4:13 pmSJD San José del Cabo Los Cabos-GTF Great Falls

22h 36m1 stop Seattle/Tacoma Intl

$550Alaska Airlines

Sun, Jan 31 - Wed, Feb 3

5:30 am - 11:30 amGTF Great Falls-SJD San José del Cabo Los Cabos

6h 00m1 stop Salt Lake City

12:35 pm - 10:53 pmSJD San José del Cabo Los Cabos-GTF Great Falls

10h 18m1 stop Salt Lake City

$553Delta

Wed, Jan 13 - Sat, Jan 23

4:55 pm - 11:19 amGTF Great Falls-SJD San José del Cabo Los Cabos

18h 24m2 stops Seattle/Tacoma Intl Los Angeles

5:37 pm - 4:13 pmSJD San José del Cabo Los Cabos-GTF Great Falls

22h 36m1 stop Seattle/Tacoma Intl

$555Alaska Airlines

Fri, Feb 5 - Fri, Feb 12

4:55 pm - 11:19 amGTF Great Falls-SJD San José del Cabo Los Cabos

18h 24m2 stops Seattle/Tacoma Intl Los Angeles

4:50 pm - 4:13 pmSJD San José del Cabo Los Cabos-GTF Great Falls

47h 23m2 stops Portland Seattle/Tacoma Intl

$556Alaska Airlines

Sun, Jan 17 - Thu, Jan 21

5:30 am - 11:30 amGTF Great Falls-SJD San José del Cabo Los Cabos

6h 00m1 stop Salt Lake City

12:50 pm - 10:53 pmSJD San José del Cabo Los Cabos-GTF Great Falls

10h 03m2 stops Los Angeles Salt Lake City

$558Delta

Wed, Jan 13 - Sat, Jan 23

4:55 pm - 11:19 amGTF Great Falls-SJD San José del Cabo Los Cabos

18h 24m2 stops Seattle/Tacoma Intl Los Angeles

5:37 pm - 4:13 pmSJD San José del Cabo Los Cabos-GTF Great Falls

22h 36m1 stop Seattle/Tacoma Intl

$560Alaska Airlines

Sun, Jan 17 - Thu, Jan 21

5:35 am - 6:00 pmGTF Great Falls-CUN Cancun

10h 25m2 stops Salt Lake City Los Angeles

9:24 am - 10:46 pmCUN Cancun-GTF Great Falls

15h 22m2 stops Mexico City Benito Juarez Salt Lake City

$583Delta

Tue, Dec 1 - Tue, Dec 8

6:15 am - 2:42 pmGTF Great Falls-SJD San José del Cabo Los Cabos

8h 27m1 stop Denver Intl

2:22 pm - 9:20 pmSJD San José del Cabo Los Cabos-GTF Great Falls

6h 58m1 stop Denver Intl

$583United Airlines

Sun, Jan 17 - Thu, Jan 21

Cheapest domestic flights from Great Falls

Enter your travel dates to find the best prices.

11:32 am - 9:36 pmGTF Great Falls-LAS Las Vegas Harry Reid Intl

11h 04m1 stop Phoenix-Mesa Gateway

7:20 am - 10:49 amLAS Las Vegas Harry Reid Intl-GTF Great Falls

2h 29mnonstop

$194Multiple Airlines

Thu, Dec 3 - Fri, Dec 4

5:19 pm - 6:08 pmGTF Great Falls-SEA Seattle/Tacoma Intl

1h 49mnonstop

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

1h 37mnonstop

$207Alaska Airlines

Sat, Sep 26 - Wed, Sep 30

1:15 pm - 4:50 pmGTF Great Falls-SEA Seattle/Tacoma Intl

4h 35m1 stop Salt Lake City

5:45 am - 12:35 pmSEA Seattle/Tacoma Intl-GTF Great Falls

5h 50m1 stop Salt Lake City

$216Delta

Sat, Sep 26 - Wed, Sep 30

11:32 am - 6:13 amGTF Great Falls-LAS Las Vegas Harry Reid Intl

19h 41m1 stop Phoenix-Mesa Gateway

5:59 pm - 10:42 amLAS Las Vegas Harry Reid Intl-GTF Great Falls

15h 43m1 stop Phoenix Sky Harbor Intl

$219Multiple Airlines

Sun, Dec 6 - Wed, Dec 9

5:40 am - 8:59 amGTF Great Falls-SEA Seattle/Tacoma Intl

4h 19m1 stop Salt Lake City

5:45 am - 12:35 pmSEA Seattle/Tacoma Intl-GTF Great Falls

5h 50m1 stop Salt Lake City

$246Delta

Wed, Sep 23 - Sat, Sep 26

6:21 pm - 8:01 pmGTF Great Falls-SLC Salt Lake City

1h 40mnonstop

4:00 pm - 5:41 pmSLC Salt Lake City-GTF Great Falls

1h 41mnonstop

$249Delta

Wed, Sep 23 - Sun, Sep 27

4:41 pm - 9:00 pmGTF Great Falls-LAS Las Vegas Harry Reid Intl

5h 19m1 stop Seattle/Tacoma Intl

7:20 am - 10:49 amLAS Las Vegas Harry Reid Intl-GTF Great Falls

2h 29mnonstop

$249Multiple Airlines

Sat, Nov 21 - Fri, Dec 4

11:32 am - 11:18 pmGTF Great Falls-LAS Las Vegas Harry Reid Intl

12h 46m2 stops Phoenix-Mesa Gateway Los Angeles

7:20 am - 10:49 amLAS Las Vegas Harry Reid Intl-GTF Great Falls

2h 29mnonstop

$250Multiple Airlines

Thu, Dec 3 - Fri, Dec 4

4:55 pm - 11:59 pmGTF Great Falls-LAS Las Vegas Harry Reid Intl

8h 04m1 stop Seattle/Tacoma Intl

7:20 am - 10:49 amLAS Las Vegas Harry Reid Intl-GTF Great Falls

2h 29mnonstop

$263Multiple Airlines

Thu, Dec 3 - Fri, Dec 4

11:32 am - 9:36 pmGTF Great Falls-LAS Las Vegas Harry Reid Intl

11h 04m1 stop Phoenix-Mesa Gateway

5:59 pm - 10:42 amLAS Las Vegas Harry Reid Intl-GTF Great Falls

15h 43m1 stop Phoenix Sky Harbor Intl

$265Multiple Airlines

Thu, Dec 3 - Wed, Dec 9

Flights from Great Falls - Travel Insights & Trends

Get data-powered insights and trends into flights from Great Falls to help you craft the best travel plan.

Prices

Other information

What are the cheapest cities to fly to from Great Falls?

The cheapest city to fly to from Great Falls currently is Las Vegas at $35. The next cheapest destinations are Phoenix, Salt Lake City, Seattle, Denver and Chicago.

Frequently asked questions regarding flights from Great Falls

Which airlines are currently offering the cheapest flights from Great Falls?

Our data suggests that currently, the cheapest flights from Great Falls are being offered by Alaska Airlines, Allegiant Air, and Delta. For example, Alaska Airlines flights from Great Falls to Las Vegas, start at $85, Allegiant Air flights from Great Falls to Phoenix-Mesa Gateway Airport cost around $88, and Delta flights from Great Falls to San Francisco are around $132.

What is the cheapest flight available from Great Falls?

Currently, the cheapest flight from Great Falls found by our users is for $35 to Las Vegas. Prices will vary according to several factors such as the departure date and time, but on average you can expect to pay around $166 to travel from Great Falls to Las Vegas.

Which destinations have the most frequent flights from Great Falls?

Salt Lake City, Denver and Seattle are currently the destinations served most frequently from Great Falls, with 6, 1 and 1 flights per day on average, respectively.

Which airlines can you fly with from Great Falls?

Airlines including United Airlines, Delta and Alaska Airlines frequently fly from Great Falls. You can view other airlines by performing a quick search in the form above.

When did momondo last update prices for flights from Great Falls Airport?

Prices for flights from Great Falls Airport are updated daily.

How many operators does momondo search for flights from Great Falls Airport?

As of August 2026, there are 4 operators available to choose from for flights from Great Falls Airport.

How old do you have to be to fly from 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 from 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.