Cheap flights from Great Falls (GTF) from $83

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0 bags

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Fly to

Route

Depart

Return

Price

Cheapest one-way

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Mon 7/20

10:19 am-11:34 am

Nonstop2h 15m

$42

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Mon 7/20

10:19 am-11:34 am

Nonstop2h 15m

$43

Great FallsSeattle

GTF - SEA

GTFSEA

Great Falls

Mon 7/20

10:19 am-10:39 am

1 stop25h 20m

$98

Great FallsSeattle

GTF - SEA

GTFSEA

Great Falls

Mon 8/17

10:19 am-10:35 am

1 stop25h 16m

$115

Quickest one-way

Great FallsSeattle

GTF - SEA

GTFSEA

Great Falls

Wed 8/19

5:18 pm-6:07 pm

Nonstop1h 49m

$129

Great FallsSeattle

GTF - SEA

GTFSEA

Great Falls

Wed 8/19

6:22 pm-10:05 pm

1 stop4h 43m

$138

Great FallsSeattle

GTF - SEA

GTFSEA

Great Falls

Fri 8/21

5:18 pm-6:07 pm

Nonstop1h 49m

$139

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Thu 7/23

5:40 am-8:44 am

1 stop4h 04m

$200

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Fri 6/26

2:37 pm-4:37 pm

Nonstop2h 00m

$209

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Mon 7/20

2:37 pm-6:50 pm

1 stop5h 13m

$237

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Where can I directly fly to from Great Falls?

Currently, 2 destinations can be reached directly via flights from Great Falls.

Flights from Great Falls to

Las Vegas

from$52

Flights from Great Falls to

Seattle

from$179

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 am

GTF

LAS

2h 15mnonstop

$42Allegiant Air

Mon, Jul 20

10:19 am - 11:34 am

GTF

LAS

2h 15mnonstop

$43Allegiant Air

Mon, Jul 20

10:19 am - 10:39 am

GTF

SEA

25h 20m

1 stop

$98Multiple Airlines

Mon, Jul 20

10:19 am - 10:35 am

GTF

SEA

25h 16m

1 stop

$115Multiple Airlines

Mon, Aug 17

5:18 pm - 6:07 pm

GTF

SEA

1h 49mnonstop

$129Alaska Airlines

Wed, Aug 19

6:22 pm - 10:05 pm

GTF

SEA

4h 43m

1 stop

$138Delta

Wed, Aug 19

5:18 pm - 6:07 pm

GTF

SEA

1h 49mnonstop

$139Alaska Airlines

Fri, Aug 21

5:40 am - 8:44 am

GTF

PHX

4h 04m

1 stop

$200Delta

Thu, Jul 23

2:37 pm - 4:37 pm

GTF

DEN

2h 00mnonstop

$209United Airlines

Fri, Jun 26

2:37 pm - 6:50 pm

GTF

LAS

5h 13m

1 stop

$237United Airlines

Mon, Jul 20

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 $52. The next cheapest destinations are Phoenix, Seattle, 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 $72, Allegiant Air flights from Great Falls to Phoenix-Mesa Gateway Airport cost around $88, and Delta flights from Great Falls to Chicago O'Hare Intl Airport are around $129.

What is the cheapest flight available from Great Falls?

Currently, the cheapest flight from Great Falls found by our users is for $52 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 $107 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 5, 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 May 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.