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Cheap flights from Great Falls to the United States from $92

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 2/4. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
5:18 pm - 6:32 pm
GTF
-
LAS
2h 14mnonstop
Allegiant Air Logo
1:02 pm - 4:28 pm
LAS
-
GTF
2h 26mnonstop
$111Allegiant Air
Fri, Jan 23 - Fri, Jan 30
Alaska Airlines Logo
6:28 pm - 7:21 pm
GTF
-
SEA
1h 53mnonstop
Alaska Airlines Logo
1:36 pm - 4:17 pm
SEA
-
GTF
1h 41mnonstop
$127Alaska Airlines
Sat, Feb 28 - Tue, Mar 3
Delta Logo
1:12 pm - 6:29 pm
GTF
-
SEA
6h 17m1 stop
Delta Logo
9:25 am - 5:30 pm
SEA
-
GTF
7h 05m1 stop
$136Delta
Tue, Feb 3 - Tue, Feb 10
Alaska Airlines Logo
5:59 pm - 6:57 pm
GTF
-
SEA
1h 58mnonstop
Alaska Airlines Logo
2:42 pm - 5:19 pm
SEA
-
GTF
1h 37mnonstop
$146Alaska Airlines
Sat, Jan 17 - Wed, Jan 28
Alaska Airlines Logo
5:59 pm - 6:57 pm
GTF
-
SEA
1h 58mnonstop
Alaska Airlines Logo
2:42 pm - 5:19 pm
SEA
-
GTF
1h 37mnonstop
$147Alaska Airlines
Sat, Jan 10 - Sat, Jan 17
Delta Logo
6:10 pm - 11:22 pm
GTF
-
SEA
6h 12m1 stop
Delta Logo
4:55 pm - 10:30 pm
SEA
-
GTF
4h 35m1 stop
$156Delta
Wed, Jan 14 - Wed, Jan 28
Multiple Airlines Logo
5:59 pm - 11:12 pm
GTF
-
LAS
6h 13m1 stop
Multiple Airlines Logo
1:02 pm - 4:28 pm
LAS
-
GTF
2h 26mnonstop
$214Multiple Airlines
Fri, Jan 23 - Fri, Jan 30
Multiple Airlines Logo
5:18 pm - 3:56 am
GTF
-
DEN
10h 38m1 stop
Multiple Airlines Logo
6:00 am - 9:52 am
DEN
-
GTF
27h 52m2 stops
$216Multiple Airlines
Mon, Feb 9 - Thu, Feb 12
United Airlines Logo
6:10 am - 8:21 am
GTF
-
DEN
2h 11mnonstop
United Airlines Logo
7:25 pm - 9:43 pm
DEN
-
GTF
2h 18mnonstop
$239United Airlines
Tue, Jan 6 - Sat, Jan 10
United Airlines Logo
2:29 pm - 4:40 pm
GTF
-
DEN
2h 11mnonstop
United Airlines Logo
7:35 pm - 9:53 pm
DEN
-
GTF
2h 18mnonstop
$259United Airlines
Sat, Jan 17 - Mon, Jan 19

United Airlines flights from Great Falls to United States

Our best United Airlines deals on Great Falls to United States flight tickets
United Airlines
Jan 6
GTF6:10 amGreat Falls
2h 11m
DEN8:21 amDenver Intl
Jan 10
DEN7:25 pmDenver Intl
2h 18m
GTF9:43 pmGreat Falls
$239
Find similar
United Airlines
Jan 17
GTF2:29 pmGreat Falls
2h 11m
DEN4:40 pmDenver Intl
Jan 19
DEN7:35 pmDenver Intl
2h 18m
GTF9:53 pmGreat Falls
$259
Find similar
United Airlines
Feb 12
GTF2:25 pmGreat Falls
2h 15m
DEN4:40 pmDenver Intl
Feb 17
DEN7:21 pmDenver Intl
2h 12m
GTF9:33 pmGreat Falls
$349
Find similar

Delta flights from Great Falls to United States

Our best Delta deals on Great Falls to United States flight tickets
Delta
Feb 3
GTF1:12 pmGreat Falls
6h 17m
1 stop
SEA6:29 pmSeattle/Tacoma Intl
Feb 10
SEA9:25 amSeattle/Tacoma Intl
7h 05m
1 stop
GTF5:30 pmGreat Falls
$136
Find similar
Delta
Jan 14
GTF6:10 pmGreat Falls
6h 12m
1 stop
SEA11:22 pmSeattle/Tacoma Intl
Jan 28
SEA4:55 pmSeattle/Tacoma Intl
4h 35m
1 stop
GTF10:30 pmGreat Falls
$156
Find similar
Delta
Jan 16
GTF6:10 pmGreat Falls
6h 12m
1 stop
SEA11:22 pmSeattle/Tacoma Intl
Jan 20
SEA5:30 amSeattle/Tacoma Intl
6h 02m
1 stop
GTF12:32 pmGreat Falls
$166
Find similar

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 December 22, 2025.
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

Fri 1/23

5:18 pm-6:32 pm

Nonstop2h 14m

Las Vegas Harry Reid Intl

Fri 1/30

1:02 pm-4:28 pm

Nonstop2h 26m

$111

Great FallsSeattle

GTF - SEA

GTFSEA

Great Falls

Sat 2/28

6:28 pm-7:21 pm

Nonstop1h 53m

Seattle/Tacoma Intl

Tue 3/3

1:36 pm-4:17 pm

Nonstop1h 41m

$127

Great FallsSeattle

GTF - SEA

GTFSEA

Great Falls

Tue 2/3

1:12 pm-6:29 pm

1 stop6h 17m

Seattle/Tacoma Intl

Tue 2/10

9:25 am-5:30 pm

1 stop7h 05m

$136

Great FallsSeattle

GTF - SEA

GTFSEA

Great Falls

Sat 1/17

5:59 pm-6:57 pm

Nonstop1h 58m

Seattle/Tacoma Intl

Wed 1/28

2:42 pm-5:19 pm

Nonstop1h 37m

$146

Great FallsSeattle

GTF - SEA

GTFSEA

Great Falls

Sat 1/10

5:59 pm-6:57 pm

Nonstop1h 58m

Seattle/Tacoma Intl

Sat 1/17

2:42 pm-5:19 pm

Nonstop1h 37m

$147

Great FallsSeattle

GTF - SEA

GTFSEA

Great Falls

Wed 1/14

6:10 pm-11:22 pm

1 stop6h 12m

Seattle/Tacoma Intl

Wed 1/28

4:55 pm-10:30 pm

1 stop4h 35m

$156

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Fri 1/23

5:59 pm-11:12 pm

1 stop6h 13m

Las Vegas Harry Reid Intl

Fri 1/30

1:02 pm-4:28 pm

Nonstop2h 26m

$214

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Mon 2/9

5:18 pm-3:56 am

1 stop10h 38m

Denver Intl

Thu 2/12

6:00 am-9:52 am

2 stops27h 52m

$216

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Tue 1/6

6:10 am-8:21 am

Nonstop2h 11m

Denver Intl

Sat 1/10

7:25 pm-9:43 pm

Nonstop2h 18m

$239

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Sat 1/17

2:29 pm-4:40 pm

Nonstop2h 11m

Denver Intl

Mon 1/19

7:35 pm-9:53 pm

Nonstop2h 18m

$259

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 day to depart on your flight to United States?

According to our data, Wednesday is the cheapest day to fly to United States from Great Falls. The lowest ticket price found for a Wednesday departure recently was $545. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $808. These prices are subject to change though, so be sure to set up a Price Alert for flights to United States.

What is the cheapest time of day to depart on your flight to United States?

The cheapest time of day to fly to United States is in the morning when flights can be purchased for as low as $617. Try not to purchase tickets in the afternoon because they tend to be around $732. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 is only 1 cabin class 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

$114

Fastest flight time

1h 37m

Direct flights

Every day

Airports in United States

4,296 airports
The best one-way flight to United States from Great Falls in the past 72 hours is $114. The best round-trip flight deal from Great Falls to United States found on momondo in the last 72 hours is $165.
The fastest flight from Great Falls to United States takes 1h 37m
Direct flights go from Great Falls to United States every day.
There are 4,296 airports in United States. From Great Falls there are direct flights to Denver Intl (DEN), 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 $78Free CancellationRating
7.2
701 reviews
Search Allegiant Air flights
DeltaPriceFrom $132Free CancellationRating
7.9
8,013 reviews
Search Delta flights
United AirlinesPriceFrom $162Free CancellationRating
7.4
9,102 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $198Free CancellationRating
8.0
11,505 reviews
Search Alaska 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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