Cheap flights from Great Falls (GTF) from $87

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Fly to

Route

Depart

Return

Price

Cheapest one-way

Quickest one-way

Great FallsLas Vegas

GTF Great Falls - LAS Las Vegas Harry Reid Intl

GTFLAS

Great Falls

Fri 12/11

11:39 am-12:53 pm

Nonstop2h 14m

$87

Great FallsSalt Lake City

GTF Great Falls - SLC Salt Lake City

GTFSLC

Great Falls

Sat 10/24

5:15 pm-11:51 pm

1 stop6h 36m

$134

Great FallsSalt Lake City

GTF Great Falls - SLC Salt Lake City

GTFSLC

Great Falls

Tue 10/27

5:15 pm-11:51 pm

1 stop6h 36m

$134

Great FallsSeattle

GTF Great Falls - SEA Seattle/Tacoma Intl

GTFSEA

Great Falls

Sat 11/14

1:21 pm-4:58 pm

1 stop4h 37m

$138

Great FallsSeattle

GTF Great Falls - SEA Seattle/Tacoma Intl

GTFSEA

Great Falls

Tue 11/17

5:30 am-9:12 am

1 stop4h 42m

$138

Great FallsLas Vegas

GTF Great Falls - LAS Las Vegas Harry Reid Intl

GTFLAS

Great Falls

Sun 9/27

6:15 am-10:41 am

1 stop5h 26m

$186

Great FallsLas Vegas

GTF Great Falls - LAS Las Vegas Harry Reid Intl

GTFLAS

Great Falls

Mon 9/28

2:37 pm-8:56 pm

1 stop7h 19m

$186

Great FallsDallas

GTF Great Falls - DFW Dallas/Fort Worth

GTFDFW

Great Falls

Thu 10/1

9:51 am-9:37 pm

2 stops34h 46m

$240

Great FallsDenver

GTF Great Falls - DEN Denver Intl

GTFDEN

Great Falls

Fri 10/9

5:15 pm-5:49 pm

2 stops24h 34m

$249

Great FallsPortland

GTF Great Falls - PDX Portland

GTFPDX

Great Falls

Sun 10/11

9:51 am-8:35 am

2 stops23h 44m

$369

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$102

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.

11:39 am - 12:53 pmGTF Great Falls-LAS Las Vegas Harry Reid Intl

2h 14mnonstop

$87Allegiant Air

Fri, Dec 11

5:15 pm - 11:51 pmGTF Great Falls-SLC Salt Lake City

6h 36m1 stop Seattle/Tacoma Intl

$134Alaska Airlines

Sat, Oct 24

5:15 pm - 11:51 pmGTF Great Falls-SLC Salt Lake City

6h 36m1 stop Seattle/Tacoma Intl

$134Alaska Airlines

Tue, Oct 27

1:21 pm - 4:58 pmGTF Great Falls-SEA Seattle/Tacoma Intl

4h 37m1 stop Salt Lake City

$138Delta

Sat, Nov 14

5:30 am - 9:12 amGTF Great Falls-SEA Seattle/Tacoma Intl

4h 42m1 stop Salt Lake City

$138Delta

Tue, Nov 17

6:15 am - 10:41 amGTF Great Falls-LAS Las Vegas Harry Reid Intl

5h 26m1 stop Denver Intl

$186United Airlines

Sun, Sep 27

2:37 pm - 8:56 pmGTF Great Falls-LAS Las Vegas Harry Reid Intl

7h 19m1 stop Denver Intl

$186United Airlines

Mon, Sep 28

9:51 am - 9:37 pmGTF Great Falls-DFW Dallas/Fort Worth

34h 46m2 stops Phoenix-Mesa Gateway Minneapolis St Paul

$240Multiple Airlines

Thu, Oct 1

5:15 pm - 5:49 pmGTF Great Falls-DEN Denver Intl

24h 34m2 stops Seattle/Tacoma Intl Salt Lake City

$249Multiple Airlines

Fri, Oct 9

9:51 am - 8:35 amGTF Great Falls-PDX Portland

23h 44m2 stops Phoenix-Mesa Gateway Provo

$369Allegiant Air

Sun, Oct 11

Last-minute flight deals from Great Falls

Enter your travel dates to find the best prices.

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

$385United Airlines

Thu, Sep 3 - Mon, Sep 14

2:25 pm - 8:38 pmGTF Great Falls-DFW Dallas/Fort Worth

5h 13m1 stop Denver Intl

8:53 am - 1:29 pmDFW Dallas/Fort Worth-GTF Great Falls

5h 36m1 stop Denver Intl

$463United Airlines

Sun, Aug 30 - Sun, Sep 13

6:15 am - 12:52 pmGTF Great Falls-DFW Dallas/Fort Worth

5h 37m1 stop Denver Intl

5:15 am - 1:29 pmDFW Dallas/Fort Worth-GTF Great Falls

9h 14m2 stops Houston George Bush Intcntl Denver Intl

$469United Airlines

Sun, Aug 30 - Sun, Sep 13

1:08 pm - 3:57 pmGTF Great Falls-LAS Las Vegas Harry Reid Intl

3h 49m1 stop Salt Lake City

5:02 pm - 10:29 pmLAS Las Vegas Harry Reid Intl-GTF Great Falls

4h 27m1 stop Salt Lake City

$482Delta

Wed, Sep 2 - Sat, Sep 5

1:08 pm - 3:57 pmGTF Great Falls-LAS Las Vegas Harry Reid Intl

3h 49m1 stop Salt Lake City

5:02 pm - 10:29 pmLAS Las Vegas Harry Reid Intl-GTF Great Falls

4h 27m1 stop Salt Lake City

$484Delta

Wed, Sep 2 - Sat, Sep 5

1:08 pm - 3:57 pmGTF Great Falls-LAS Las Vegas Harry Reid Intl

3h 49m1 stop Salt Lake City

10:05 am - 5:38 pmLAS Las Vegas Harry Reid Intl-GTF Great Falls

6h 33m1 stop Salt Lake City

$484Delta

Wed, Sep 2 - Thu, Sep 3

5:18 pm - 11:17 pmGTF Great Falls-LAS Las Vegas Harry Reid Intl

6h 59m1 stop Seattle/Tacoma Intl

10:30 am - 4:45 pmLAS Las Vegas Harry Reid Intl-GTF Great Falls

5h 15m1 stop Seattle/Tacoma Intl

$490Alaska Airlines

Wed, Sep 2 - Sun, Sep 6

5:18 pm - 11:17 pmGTF Great Falls-LAS Las Vegas Harry Reid Intl

6h 59m1 stop Seattle/Tacoma Intl

8:02 am - 4:45 pmLAS Las Vegas Harry Reid Intl-GTF Great Falls

7h 43m1 stop Seattle/Tacoma Intl

$491Alaska Airlines

Wed, Sep 2 - Sat, Sep 5

5:18 pm - 11:17 pmGTF Great Falls-LAS Las Vegas Harry Reid Intl

6h 59m1 stop Seattle/Tacoma Intl

10:30 am - 4:45 pmLAS Las Vegas Harry Reid Intl-GTF Great Falls

5h 15m1 stop Seattle/Tacoma Intl

$525Alaska Airlines

Tue, Sep 1 - Sun, Sep 6

5:18 pm - 12:30 pmGTF Great Falls-LAS Las Vegas Harry Reid Intl

20h 12m2 stops Seattle/Tacoma Intl Vancouver Intl

8:02 am - 4:45 pmLAS Las Vegas Harry Reid Intl-GTF Great Falls

7h 43m1 stop Seattle/Tacoma Intl

$1,335Multiple Airlines

Thu, Sep 3 - Sun, Sep 6

Cheapest international flights from Great Falls

Enter your travel dates to find the best prices.

6:30 am - 12:18 pmGTF Great Falls-SJD San José del Cabo Los Cabos

6h 48m1 stop Denver Intl

1:30 pm - 9:38 pmSJD San José del Cabo Los Cabos-GTF Great Falls

7h 08m1 stop Denver Intl

$463United Airlines

Sun, Oct 25 - Thu, Oct 29

5:40 am - 1:25 pmGTF Great Falls-SJD San José del Cabo Los Cabos

8h 45m2 stops Salt Lake City Los Angeles

1:35 pm - 10:40 pmSJD San José del Cabo Los Cabos-GTF Great Falls

8h 05m1 stop Salt Lake City

$468Delta

Sun, Oct 25 - Thu, Oct 29

5:30 am - 1:22 pmGTF Great Falls-SJD San José del Cabo Los Cabos

7h 52m1 stop Salt Lake City

10:16 am - 10:51 pmSJD San José del Cabo Los Cabos-GTF Great Falls

12h 35m2 stops Mexico City Benito Juarez Salt Lake City

$508Delta

Tue, Dec 1 - Fri, Dec 11

5:30 am - 2:45 pmGTF Great Falls-CUN Cancun

7h 15m1 stop Salt Lake City

5:05 pm - 10:53 pmCUN Cancun-GTF Great Falls

7h 48m1 stop Salt Lake City

$538Delta

Sun, Jan 24 - Fri, Jan 29

5:30 am - 4:05 pmGTF Great Falls-CUN Cancun

8h 35m1 stop Salt Lake City

12:55 pm - 10:53 pmCUN Cancun-GTF Great Falls

11h 58m2 stops Minneapolis St Paul Salt Lake City

$543Delta

Sun, Jan 24 - Fri, Jan 29

6:30 am - 4:00 pmGTF Great Falls-CUN Cancun

7h 30m1 stop Denver Intl

6:16 pm - 1:49 pmCUN Cancun-GTF Great Falls

21h 33m2 stops Houston George Bush Intcntl Denver Intl

$614United Airlines

Tue, Nov 3 - Tue, Nov 10

6:30 am - 2:42 pmGTF Great Falls-SJD San José del Cabo Los Cabos

8h 12m1 stop Denver Intl

2:20 pm - 1:49 pmSJD San José del Cabo Los Cabos-GTF Great Falls

23h 29m2 stops San Francisco Denver Intl

$617United Airlines

Mon, Nov 16 - Fri, Nov 20

4:55 pm - 3:39 pmGTF Great Falls-SJD San José del Cabo Los Cabos

46h 44m2 stops Seattle/Tacoma Intl Portland

12:21 pm - 4:13 pmSJD San José del Cabo Los Cabos-GTF Great Falls

27h 52m2 stops Los Angeles Seattle/Tacoma Intl

$620Alaska Airlines

Tue, Dec 1 - Fri, Dec 11

6:30 am - 2:42 pmGTF Great Falls-SJD San José del Cabo Los Cabos

8h 12m1 stop Denver Intl

2:20 pm - 1:49 pmSJD San José del Cabo Los Cabos-GTF Great Falls

23h 29m2 stops San Francisco Denver Intl

$628United Airlines

Mon, Nov 16 - Fri, Nov 20

2:25 pm - 12:55 pmGTF Great Falls-LIR Liberia

21h 30m2 stops Denver Intl Chicago O'Hare Intl

12:50 pm - 9:20 pmLIR Liberia-GTF Great Falls

9h 30m1 stop Denver Intl

$640United Airlines

Thu, Jan 14 - Thu, Jan 21

Cheapest domestic flights from Great Falls

Enter your travel dates to find the best prices.

4:59 pm - 5:55 pmGTF Great Falls-SEA Seattle/Tacoma Intl

1h 56mnonstop

1:39 pm - 4:19 pmSEA Seattle/Tacoma Intl-GTF Great Falls

1h 40mnonstop

$207Alaska Airlines

Sat, Nov 7 - Wed, Nov 11

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

4h 38m1 stop Salt Lake City

5:35 am - 12:41 pmSEA Seattle/Tacoma Intl-GTF Great Falls

6h 06m1 stop Salt Lake City

$216Delta

Sat, Nov 7 - Wed, Nov 11

6:27 pm - 11:59 pmGTF Great Falls-SEA Seattle/Tacoma Intl

6h 32m1 stop Salt Lake City

9:42 am - 5:47 pmSEA Seattle/Tacoma Intl-GTF Great Falls

7h 05m1 stop Salt Lake City

$226Delta

Thu, Oct 15 - Tue, Oct 20

6:21 pm - 10:10 pmGTF Great Falls-SEA Seattle/Tacoma Intl

4h 49m1 stop Salt Lake City

9:40 am - 5:41 pmSEA Seattle/Tacoma Intl-GTF Great Falls

7h 01m1 stop Salt Lake City

$242Delta

Tue, Sep 22 - Tue, Sep 29

4:55 pm - 9:36 pmGTF Great Falls-LAS Las Vegas Harry Reid Intl

5h 41m1 stop Seattle/Tacoma Intl

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

2h 29mnonstop

$246Multiple Airlines

Wed, Dec 2 - Fri, Dec 4

6:21 pm - 10:10 pmGTF Great Falls-SEA Seattle/Tacoma Intl

4h 49m1 stop Salt Lake City

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

5h 50m1 stop Salt Lake City

$246Delta

Sat, Sep 26 - Wed, Sep 30

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

1h 53mnonstop

1:39 pm - 4:19 pmSEA Seattle/Tacoma Intl-GTF Great Falls

1h 40mnonstop

$248Alaska Airlines

Thu, Oct 29 - Mon, Nov 2

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

1h 40mnonstop

9:00 pm - 10:37 pmSLC Salt Lake City-GTF Great Falls

1h 37mnonstop

$249Delta

Sat, Sep 26 - Sun, Oct 4

4:55 pm - 9:36 pmGTF Great Falls-LAS Las Vegas Harry Reid Intl

5h 41m1 stop Seattle/Tacoma Intl

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

2h 29mnonstop

$250Multiple Airlines

Wed, Dec 2 - Fri, Dec 4

6:21 pm - 11:59 pmGTF Great Falls-SEA Seattle/Tacoma Intl

6h 38m1 stop Salt Lake City

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

5h 50m1 stop Salt Lake City

$268Delta

Fri, Sep 18 - Sat, Sep 19

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, Denver, Seattle 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 Kansas City are around $184.

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 $249 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 4, 2 and 2 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.