Cheap flights from Great Falls (GTF) from $86

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Route

Depart

Return

Price

Cheapest one-way

Great FallsPhoenix

GTF Great Falls - AZA Phoenix-Mesa Gateway

GTFAZA

Great Falls

Sun 10/18

9:51 am-11:24 am

Nonstop2h 33m

$114

Great FallsPhoenix

GTF Great Falls - AZA Phoenix-Mesa Gateway

GTFAZA

Great Falls

Sun 10/18

9:51 am-11:24 am

Nonstop2h 33m

$118

Quickest one-way

Great FallsSeattle

GTF Great Falls - SEA Seattle/Tacoma Intl

GTFSEA

Great Falls

Sun 11/8

5:10 pm-6:06 pm

Nonstop1h 56m

$144

Great FallsSeattle

GTF Great Falls - SEA Seattle/Tacoma Intl

GTFSEA

Great Falls

Sat 12/5

6:19 pm-10:52 pm

1 stop5h 33m

$153

Great FallsSeattle

GTF Great Falls - SEA Seattle/Tacoma Intl

GTFSEA

Great Falls

Fri 12/4

6:19 pm-12:05 am

1 stop6h 46m

$163

Great FallsSalt Lake City

GTF Great Falls - SLC Salt Lake City

GTFSLC

Great Falls

Wed 3/31

4:55 pm-10:22 pm

1 stop5h 27m

$164

Great FallsLas Vegas

GTF Great Falls - LAS Las Vegas Harry Reid Intl

GTFLAS

Great Falls

Thu 12/10

11:32 am-9:31 am

2 stops46h 59m

$202

Great FallsLas Vegas

GTF Great Falls - LAS Las Vegas Harry Reid Intl

GTFLAS

Great Falls

Sat 10/17

2:37 pm-8:11 pm

1 stop6h 34m

$206

Great FallsLas Vegas

GTF Great Falls - LAS Las Vegas Harry Reid Intl

GTFLAS

Great Falls

Tue 11/10

2:45 pm-6:38 pm

1 stop4h 53m

$206

Great FallsLas Vegas

GTF Great Falls - LAS Las Vegas Harry Reid Intl

GTFLAS

Great Falls

Tue 10/27

5:15 pm-10:57 am

2 stops18h 42m

$221

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Where can I directly fly to from Great Falls?

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

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.

9:51 am - 11:24 amGTF Great Falls-AZA Phoenix-Mesa Gateway

2h 33mnonstop

$114Allegiant Air

Sun, Oct 18

9:51 am - 11:24 amGTF Great Falls-AZA Phoenix-Mesa Gateway

2h 33mnonstop

$118Allegiant Air

Sun, Oct 18

5:10 pm - 6:06 pmGTF Great Falls-SEA Seattle/Tacoma Intl

1h 56mnonstop

$144Alaska Airlines

Sun, Nov 8

6:19 pm - 10:52 pmGTF Great Falls-SEA Seattle/Tacoma Intl

5h 33m1 stop Salt Lake City

$153Delta

Sat, Dec 5

6:19 pm - 12:05 amGTF Great Falls-SEA Seattle/Tacoma Intl

6h 46m1 stop Salt Lake City

$163Delta

Fri, Dec 4

4:55 pm - 10:22 pmGTF Great Falls-SLC Salt Lake City

5h 27m1 stop Seattle/Tacoma Intl

$164Alaska Airlines

Wed, Mar 31

11:32 am - 9:31 amGTF Great Falls-LAS Las Vegas Harry Reid Intl

46h 59m2 stops Phoenix-Mesa Gateway Provo

$202Multiple Airlines

Thu, Dec 10

2:37 pm - 8:11 pmGTF Great Falls-LAS Las Vegas Harry Reid Intl

6h 34m1 stop Denver Intl

$206United Airlines

Sat, Oct 17

2:45 pm - 6:38 pmGTF Great Falls-LAS Las Vegas Harry Reid Intl

4h 53m1 stop Denver Intl

$206United Airlines

Tue, Nov 10

5:15 pm - 10:57 amGTF Great Falls-LAS Las Vegas Harry Reid Intl

18h 42m2 stops Seattle/Tacoma Intl San Francisco

$221Multiple Airlines

Tue, Oct 27

Last-minute flight deals from Great Falls

Enter your travel dates to find the best prices.

5:40 am - 7:15 amGTF Great Falls-SLC Salt Lake City

1h 35mnonstop

4:05 pm - 5:47 pmSLC Salt Lake City-GTF Great Falls

1h 42mnonstop

$379Delta

Fri, Oct 9 - Fri, Oct 16

5:40 am - 7:15 amGTF Great Falls-SLC Salt Lake City

1h 35mnonstop

10:50 am - 12:38 pmSLC Salt Lake City-GTF Great Falls

1h 48mnonstop

$409Delta

Fri, Oct 9 - Tue, Oct 13

1:18 pm - 2:57 pmGTF Great Falls-SLC Salt Lake City

1h 39mnonstop

8:50 pm - 10:29 pmSLC Salt Lake City-GTF Great Falls

1h 39mnonstop

$409Delta

Sat, Oct 10 - Wed, Oct 14

1:18 pm - 2:57 pmGTF Great Falls-SLC Salt Lake City

1h 39mnonstop

4:05 pm - 5:47 pmSLC Salt Lake City-GTF Great Falls

1h 42mnonstop

$409Delta

Sat, Oct 10 - Tue, Oct 13

2:37 pm - 4:40 pmGTF Great Falls-DEN Denver Intl

2h 03mnonstop

7:25 pm - 9:22 pmDEN Denver Intl-GTF Great Falls

1h 57mnonstop

$419United Airlines

Fri, Oct 9 - Mon, Oct 12

2:37 pm - 4:40 pmGTF Great Falls-DEN Denver Intl

2h 03mnonstop

7:25 pm - 9:22 pmDEN Denver Intl-GTF Great Falls

1h 57mnonstop

$444United Airlines

Tue, Oct 6 - Sat, Oct 17

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

7h 19m1 stop Denver Intl

3:05 pm - 9:22 pmLAS Las Vegas Harry Reid Intl-GTF Great Falls

5h 17m1 stop Denver Intl

$496United Airlines

Fri, Oct 9 - Mon, Oct 12

5:15 pm - 10:59 pmGTF Great Falls-LAS Las Vegas Harry Reid Intl

6h 44m1 stop Seattle/Tacoma Intl

8:49 pm - 4:35 pmLAS Las Vegas Harry Reid Intl-GTF Great Falls

18h 46m2 stops San Francisco Seattle/Tacoma Intl

$640Alaska Airlines

Sat, Oct 10 - Fri, Oct 23

5:15 pm - 10:59 pmGTF Great Falls-LAS Las Vegas Harry Reid Intl

6h 44m1 stop Seattle/Tacoma Intl

8:49 pm - 4:35 pmLAS Las Vegas Harry Reid Intl-GTF Great Falls

18h 46m2 stops San Francisco Seattle/Tacoma Intl

$641Alaska Airlines

Sat, Oct 10 - Fri, Oct 23

5:15 pm - 10:59 pmGTF Great Falls-LAS Las Vegas Harry Reid Intl

6h 44m1 stop Seattle/Tacoma Intl

8:49 pm - 4:35 pmLAS Las Vegas Harry Reid Intl-GTF Great Falls

18h 46m2 stops San Francisco Seattle/Tacoma Intl

$643Alaska Airlines

Sat, Oct 10 - Fri, Oct 23

Cheapest international flights from Great Falls

Enter your travel dates to find the best prices.

2:32 pm - 5:35 pmGTF Great Falls-CPH Kastrup Copenhagen

43h 03m2 stops Denver Intl Munich Franz Josef Strauss

7:15 am - 9:42 pmCPH Kastrup Copenhagen-GTF Great Falls

22h 27m2 stops Frankfurt am Main Denver Intl

$740United Airlines

Mon, Jan 11 - Thu, Jan 14

2:25 pm - 5:35 pmGTF Great Falls-CPH Kastrup Copenhagen

43h 10m2 stops Denver Intl Munich Franz Josef Strauss

7:15 am - 9:20 pmCPH Kastrup Copenhagen-GTF Great Falls

22h 05m2 stops Frankfurt am Main Denver Intl

$741United Airlines

Mon, Jan 11 - Thu, Jan 14

2:27 pm - 5:35 pmHLN Helena-CPH Kastrup Copenhagen

43h 08m2 stops Denver Intl Munich Franz Josef Strauss

7:15 am - 9:32 pmCPH Kastrup Copenhagen-HLN Helena

22h 17m2 stops Frankfurt am Main Denver Intl

$757United Airlines

Mon, Jan 11 - Thu, Jan 14

6:15 am - 8:00 amHLN Helena-MAD Madrid Barajas

17h 45m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl

6:05 am - 8:59 pmMAD Madrid Barajas-HLN Helena

22h 54m2 stops Frankfurt am Main Denver Intl

$792United Airlines

Mon, Jan 11 - Thu, Feb 25

5:45 am - 5:45 pmHLN Helena-MAD Madrid Barajas

28h 00m2 stops Salt Lake City Paris Charles de Gaulle

10:50 am - 10:41 pmMAD Madrid Barajas-HLN Helena

43h 51m2 stops Amsterdam Schiphol Salt Lake City

$794Delta

Tue, Jan 19 - Tue, Feb 9

5:45 am - 11:45 amHLN Helena-MAD Madrid Barajas

22h 00m2 stops Salt Lake City Atlanta Hartsfield-Jackson

10:50 am - 10:41 pmMAD Madrid Barajas-HLN Helena

43h 51m2 stops Amsterdam Schiphol Salt Lake City

$795Delta

Mon, Jan 11 - Mon, Mar 1

5:45 am - 11:35 pmHLN Helena-BKK Bangkok Suvarnabhumi

28h 50m2 stops Salt Lake City Incheon Intl

9:40 pm - 10:41 pmBKK Bangkok Suvarnabhumi-HLN Helena

38h 01m2 stops Incheon Intl Salt Lake City

$1,022Delta

Wed, Mar 31 - Tue, Apr 13

12:50 pm - 11:35 pmHLN Helena-BKK Bangkok Suvarnabhumi

45h 45m2 stops Salt Lake City Incheon Intl

9:50 am - 10:41 pmBKK Bangkok Suvarnabhumi-HLN Helena

25h 51m2 stops Incheon Intl Salt Lake City

$1,028Delta

Mon, Mar 29 - Wed, Apr 14

4:41 pm - 10:05 pmHLN Helena-MNL Manila Ninoy Aquino Intl

38h 24m2 stops Seattle/Tacoma Intl Tokyo Narita

9:45 am - 4:12 pmMNL Manila Ninoy Aquino Intl-HLN Helena

21h 27m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,040Multiple Airlines

Sun, Nov 8 - Mon, Dec 7

2:30 pm - 9:35 amHLN Helena-BKK Bangkok Suvarnabhumi

30h 05m3 stops Denver Intl Los Angeles Hong Kong Intl

3:45 pm - 8:59 pmBKK Bangkok Suvarnabhumi-HLN Helena

42h 14m3 stops Hong Kong Intl Los Angeles Denver Intl

$1,041United Airlines

Tue, Mar 30 - Tue, Apr 13

Cheapest domestic flights from Great Falls

Enter your travel dates to find the best prices.

9:22 am - 11:56 amGTF Great Falls-AZA Phoenix-Mesa Gateway

2h 34mnonstop

6:00 am - 8:32 amAZA Phoenix-Mesa Gateway-GTF Great Falls

2h 32mnonstop

$86Allegiant Air

Sun, Nov 1 - Thu, Nov 5

11:32 am - 2:13 pmGTF Great Falls-AZA Phoenix-Mesa Gateway

2h 41mnonstop

6:10 am - 8:57 amAZA Phoenix-Mesa Gateway-GTF Great Falls

2h 47mnonstop

$92Allegiant Air

Thu, Dec 10 - Thu, Jan 7

9:22 am - 11:56 amGTF Great Falls-AZA Phoenix-Mesa Gateway

2h 34mnonstop

6:00 am - 8:32 amAZA Phoenix-Mesa Gateway-GTF Great Falls

2h 32mnonstop

$117Allegiant Air

Sun, Nov 1 - Thu, Nov 5

9:22 am - 11:56 amGTF Great Falls-AZA Phoenix-Mesa Gateway

2h 34mnonstop

6:00 am - 8:32 amAZA Phoenix-Mesa Gateway-GTF Great Falls

2h 32mnonstop

$122Allegiant Air

Sun, Nov 1 - Thu, Nov 5

6:27 pm - 9:03 pmGTF Great Falls-AZA Phoenix-Mesa Gateway

2h 36mnonstop

2:50 pm - 5:37 pmAZA Phoenix-Mesa Gateway-GTF Great Falls

2h 47mnonstop

$130Allegiant Air

Thu, Jan 14 - Thu, Jan 21

9:51 am - 11:24 amGTF Great Falls-AZA Phoenix-Mesa Gateway

2h 33mnonstop

5:30 am - 9:01 amAZA Phoenix-Mesa Gateway-GTF Great Falls

2h 31mnonstop

$133Allegiant Air

Sun, Oct 18 - Thu, Oct 22

9:51 am - 11:24 amGTF Great Falls-AZA Phoenix-Mesa Gateway

2h 33mnonstop

5:30 am - 9:01 amAZA Phoenix-Mesa Gateway-GTF Great Falls

2h 31mnonstop

$144Allegiant Air

Sun, Oct 18 - Thu, Oct 22

10:19 pm - 11:39 pmGTF Great Falls-LAS Las Vegas Harry Reid Intl

2h 20mnonstop

4:07 pm - 7:24 pmLAS Las Vegas Harry Reid Intl-GTF Great Falls

2h 17mnonstop

$149Allegiant Air

Mon, Mar 15 - Fri, Mar 19

9:22 am - 11:56 amGTF Great Falls-AZA Phoenix-Mesa Gateway

2h 34mnonstop

6:00 am - 8:32 amAZA Phoenix-Mesa Gateway-GTF Great Falls

2h 32mnonstop

$160Allegiant Air

Thu, Nov 5 - Thu, Nov 12

9:51 am - 11:24 amGTF Great Falls-AZA Phoenix-Mesa Gateway

2h 33mnonstop

5:30 am - 9:01 amAZA Phoenix-Mesa Gateway-GTF Great Falls

2h 31mnonstop

$162Allegiant Air

Sun, Oct 18 - Sun, Oct 25

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 Phoenix at $107. The next cheapest destinations are Seattle, Las Vegas, Salt Lake City, 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 $87, Allegiant Air flights from Great Falls to Phoenix-Mesa Gateway Airport cost around $88, and Delta flights from Great Falls to Colorado Springs 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 $107 to Phoenix-Mesa Gateway Airport. Prices will vary according to several factors such as the departure date and time, but on average you can expect to pay around $144 to travel from Great Falls to Phoenix-Mesa Gateway Airport.

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 3, 2 and 1 flights per day on average, respectively.

Which airlines can you fly with from Great Falls?

Airlines including Delta, United Airlines 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 October 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.