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Cheap flights from Great Falls to the United States from $62

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Great Falls to the United States departing on 3/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Great Falls to the United States

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
10:42 am - 12:07 pm
GTF
-
LAS
2h 25mnonstop
Allegiant Air Logo
6:35 am - 9:51 am
LAS
-
GTF
2h 16mnonstop
$118Allegiant Air
Mon, Feb 23 - Fri, Feb 27
Allegiant Air Logo
10:20 am - 11:38 am
GTF
-
LAS
2h 18mnonstop
Allegiant Air Logo
6:10 am - 9:30 am
LAS
-
GTF
2h 20mnonstop
$138Allegiant Air
Fri, Mar 13 - Fri, Mar 20
Alaska Airlines Logo
5:06 pm - 5:59 pm
GTF
-
SEA
1h 53mnonstop
Alaska Airlines Logo
1:49 pm - 4:26 pm
SEA
-
GTF
1h 37mnonstop
$157Alaska Airlines
Thu, Apr 2 - Wed, Apr 8
Alaska Airlines Logo
4:57 pm - 6:00 pm
GTF
-
SEA
2h 03mnonstop
Alaska Airlines Logo
3:11 pm - 5:48 pm
SEA
-
GTF
1h 37mnonstop
$187Alaska Airlines
Tue, Mar 10 - Wed, Mar 11
Delta Logo
6:22 pm - 12:03 am
GTF
-
SEA
6h 41m
1 stop
Delta Logo
9:25 am - 5:42 pm
SEA
-
GTF
7h 17m
1 stop
$196Delta
Fri, Apr 3 - Wed, Apr 8
Multiple Airlines Logo
5:06 pm - 10:46 pm
GTF
-
LAS
6h 40m
1 stop
Multiple Airlines Logo
7:30 am - 10:52 am
LAS
-
GTF
2h 22mnonstop
$197Multiple Airlines
Sun, Apr 12 - Fri, Apr 17
Multiple Airlines Logo
10:20 am - 11:38 am
GTF
-
LAS
2h 18mnonstop
Multiple Airlines Logo
7:00 am - 4:26 pm
LAS
-
GTF
8h 26m
1 stop
$215Multiple Airlines
Fri, Mar 13 - Fri, Mar 20
Delta Logo
6:22 pm - 12:03 am
GTF
-
SEA
6h 41m
1 stop
Delta Logo
9:25 am - 5:42 pm
SEA
-
GTF
7h 17m
1 stop
$216Delta
Thu, Apr 2 - Wed, Apr 8
United Airlines Logo
6:15 am - 2:51 pm
GTF
-
PNS
7h 36m
1 stop
United Airlines Logo
4:00 pm - 9:17 pm
PNS
-
GTF
6h 17m
1 stop
$298United Airlines
Mon, Apr 13 - Wed, Apr 22
United Airlines Logo
6:15 am - 8:09 pm
GTF
-
MCO
11h 54m
2 stops
United Airlines Logo
8:00 am - 1:31 pm
MCO
-
GTF
7h 31m
1 stop
$354United Airlines
Wed, Apr 8 - Wed, Apr 15

Delta flights from Great Falls to United States

Our best Delta deals on Great Falls to United States flight tickets
Delta
Apr 3
GTF6:22 pmGreat Falls
6h 41m
1 stop
SEA12:03 amSeattle/Tacoma Intl
Apr 8
SEA9:25 amSeattle/Tacoma Intl
7h 17m
1 stop
GTF5:42 pmGreat Falls
$196
Delta
Apr 2
GTF6:22 pmGreat Falls
6h 41m
1 stop
SEA12:03 amSeattle/Tacoma Intl
Apr 8
SEA9:25 amSeattle/Tacoma Intl
7h 17m
1 stop
GTF5:42 pmGreat Falls
$216
Delta
Apr 8
GTF6:22 pmGreat Falls
6h 32m
1 stop
PDX11:54 pmPortland
Apr 14
PDX5:45 amPortland
5h 42m
1 stop
GTF12:27 pmGreat Falls
$226

Alaska Airlines flights from Great Falls to United States

Our best Alaska Airlines deals on Great Falls to United States flight tickets
Alaska Airlines
Apr 2
GTF5:06 pmGreat Falls
1h 53m
SEA5:59 pmSeattle/Tacoma Intl
Apr 8
SEA1:49 pmSeattle/Tacoma Intl
1h 37m
GTF4:26 pmGreat Falls
$157
Alaska Airlines
Mar 10
GTF4:57 pmGreat Falls
2h 03m
SEA6:00 pmSeattle/Tacoma Intl
Mar 11
SEA3:11 pmSeattle/Tacoma Intl
1h 37m
GTF5:48 pmGreat Falls
$187
Alaska Airlines
Mar 16
GTF4:57 pmGreat Falls
2h 03m
SEA6:00 pmSeattle/Tacoma Intl
Mar 23
SEA1:49 pmSeattle/Tacoma Intl
1h 37m
GTF4:26 pmGreat Falls
$212

momondo Fare Finder

 
Customize your flight search to find flights from Great Falls to United States that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 16, 2026.
Use the filters below to find and compare flights from Great Falls to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Mon 2/23

10:42 am-12:07 pm

Nonstop2h 25m

Las Vegas Harry Reid Intl

Fri 2/27

6:35 am-9:51 am

Nonstop2h 16m

$118

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Fri 3/13

10:20 am-11:38 am

Nonstop2h 18m

Las Vegas Harry Reid Intl

Fri 3/20

6:10 am-9:30 am

Nonstop2h 20m

$138

Great FallsSeattle

GTF - SEA

GTFSEA

Great Falls

Thu 4/2

5:06 pm-5:59 pm

Nonstop1h 53m

Seattle/Tacoma Intl

Wed 4/8

1:49 pm-4:26 pm

Nonstop1h 37m

$157

Great FallsSeattle

GTF - SEA

GTFSEA

Great Falls

Tue 3/10

4:57 pm-6:00 pm

Nonstop2h 03m

Seattle/Tacoma Intl

Wed 3/11

3:11 pm-5:48 pm

Nonstop1h 37m

$187

Great FallsSeattle

GTF - SEA

GTFSEA

Great Falls

Fri 4/3

6:22 pm-12:03 am

1 stop6h 41m

Seattle/Tacoma Intl

Wed 4/8

9:25 am-5:42 pm

1 stop7h 17m

$196

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Sun 4/12

5:06 pm-10:46 pm

1 stop6h 40m

Las Vegas Harry Reid Intl

Fri 4/17

7:30 am-10:52 am

Nonstop2h 22m

$197

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Fri 3/13

10:20 am-11:38 am

Nonstop2h 18m

Las Vegas Harry Reid Intl

Fri 3/20

7:00 am-4:26 pm

1 stop8h 26m

$215

Great FallsSeattle

GTF - SEA

GTFSEA

Great Falls

Thu 4/2

6:22 pm-12:03 am

1 stop6h 41m

Seattle/Tacoma Intl

Wed 4/8

9:25 am-5:42 pm

1 stop7h 17m

$216

Great FallsPensacola

GTF - PNS

GTFPNS

Great Falls

Mon 4/13

6:15 am-2:51 pm

1 stop7h 36m

Pensacola

Wed 4/22

4:00 pm-9:17 pm

1 stop6h 17m

$298

Great FallsOrlando

GTF - MCO

GTFMCO

Great Falls

Wed 4/8

6:15 am-8:09 pm

2 stops11h 54m

Orlando

Wed 4/15

8:00 am-1:31 pm

1 stop7h 31m

$354

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the United States from

How to get the cheapest flight ticket from Great Falls to United States

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest Great Falls to United States flight route?

Fly from Great Falls to Las Vegas Harry Reid Intl for the best Great Falls - United States flight prices

What cabin class options are available on Great Falls to United States flights?

There are 4 cabin classes available to choose from on Great Falls to United States flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Great Falls to United States flights?

No. A direct flight is the cheapest option for a flight between Great Falls to United States.

Cheap Great Falls to United States flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Great Falls to United States

Best Price Found

$160

Fastest flight time

1h 37m

Direct flights

Tue, Wed, Thu, Fri and Sat

Airports in United States

4,296 airports
The best one-way flight to United States from Great Falls in the past 72 hours is $160. The best round-trip flight deal from Great Falls to United States found on momondo in the last 72 hours is $145.
The fastest flight from Great Falls to United States takes 1h 37m
Direct flights go from Great Falls to United States on Tuesday, Wednesday, Thursday, Friday and Saturday. The only airline offering direct flights is Hawaiian Airlines.
There are 4,296 airports in United States. From Great Falls there are direct flights to Seattle/Tacoma Intl (SEA), Las Vegas Harry Reid Intl (LAS).
Search flight deals

  • When did momondo last update prices for flights from Great Falls Airport to United States?

    Prices for flights from Great Falls Airport to United States are updated daily.

  • How many operators does momondo search for flights from Great Falls Airport to United States?

  • How old do you have to be to fly from Great Falls Airport to United States?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Great Falls Airport to United States.

  • What documentation or ID do you need to fly to United States?

    The required travel and health documents for your United States trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at United States. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Great Falls to United States?

Best airlines flying from Great Falls to United States

Compare and see reviews for airlines that fly from Great Falls to United States with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $72Free CancellationRating
7.2
711 reviews
Search Allegiant Air flights
DeltaPriceFrom $132Free CancellationRating
7.9
8,206 reviews
Search Delta flights
United AirlinesPriceFrom $162Free CancellationRating
7.4
9,300 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Great Falls to United States?

It is quick and easy to find Great Falls to United States flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to United States that suits you.

Can I find flights from Great Falls to United States with flexible booking policies on momondo?

All flight searches from Great Falls to United States on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Great Falls to United States?

Once all potential Great Falls to United States flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Great Falls to United States right now. Can momondo alert me if prices change?

Price alerts on flights to United States from Great Falls are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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