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Cheap flights from the United States to Great Falls from $128

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Great Falls departing on 5/4. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from the United States to Great Falls

Recent round-trip flight deals from the United States to Great Falls

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:49 pm - 10:52 am
SAN
-
GTF
43h 03m
2 stops
Multiple Airlines Logo
10:06 pm - 7:21 am
GTF
-
SAN
10h 15m
1 stop
$220Multiple Airlines
Wed, Apr 8 - Sun, Apr 12
Delta Logo
5:40 am - 12:23 pm
DEN
-
GTF
6h 43m
1 stop
Delta Logo
1:10 pm - 7:10 pm
GTF
-
DEN
6h 00m
1 stop
$256Delta
Sat, Sep 5 - Sun, Sep 13
United Airlines Logo
7:38 pm - 9:34 pm
DEN
-
GTF
1h 56mnonstop
United Airlines Logo
6:15 am - 8:15 am
GTF
-
DEN
2h 00mnonstop
$259United Airlines
Fri, May 29 - Wed, Jun 3
Multiple Airlines Logo
10:50 pm - 9:28 am
SFO
-
GTF
9h 38m
1 stop
Multiple Airlines Logo
10:18 am - 10:27 am
GTF
-
SFO
25h 09m
1 stop
$267Multiple Airlines
Thu, Jun 11 - Mon, Jun 15
Delta Logo
6:27 pm - 10:29 pm
DEN
-
GTF
4h 02m
1 stop
Delta Logo
6:20 pm - 10:29 pm
GTF
-
DEN
4h 09m
1 stop
$267Delta
Fri, Apr 17 - Mon, Apr 20
United Airlines Logo
7:32 pm - 9:28 pm
DEN
-
GTF
1h 56mnonstop
United Airlines Logo
6:15 am - 8:15 am
GTF
-
DEN
2h 00mnonstop
$271United Airlines
Sat, Sep 5 - Fri, Sep 18
Delta Logo
6:27 pm - 10:29 pm
DEN
-
GTF
4h 02m
1 stop
Delta Logo
6:19 pm - 10:40 pm
GTF
-
DEN
4h 21m
1 stop
$278Delta
Tue, May 5 - Wed, May 13
Multiple Airlines Logo
3:11 pm - 9:34 am
SFO
-
GTF
17h 23m
1 stop
Multiple Airlines Logo
10:19 am - 7:56 pm
GTF
-
SFO
10h 37m
1 stop
$279Multiple Airlines
Thu, Jul 23 - Mon, Jul 27
Alaska Airlines Logo
7:35 pm - 5:35 pm
SAN
-
GTF
21h 00m
1 stop
Alaska Airlines Logo
6:15 pm - 1:27 pm
GTF
-
SAN
20h 12m
1 stop
$314Alaska Airlines
Sat, May 2 - Tue, May 5
Alaska Airlines Logo
7:00 am - 5:35 pm
MSP
-
GTF
11h 35m
1 stop
Alaska Airlines Logo
6:15 pm - 2:01 pm
GTF
-
MSP
18h 46m
1 stop
$328Alaska Airlines
Thu, May 7 - Tue, May 12

Delta flights from United States to Great Falls

Our best Delta deals on United States to Great Falls flight tickets
Delta
Sep 5
DEN5:40 amDenver Intl
6h 43m
1 stop
GTF12:23 pmGreat Falls
Sep 13
GTF1:10 pmGreat Falls
6h 00m
1 stop
DEN7:10 pmDenver Intl
$256
Delta
Apr 17
DEN6:27 pmDenver Intl
4h 02m
1 stop
GTF10:29 pmGreat Falls
Apr 20
GTF6:20 pmGreat Falls
4h 09m
1 stop
DEN10:29 pmDenver Intl
$267
Delta
May 5
DEN6:27 pmDenver Intl
4h 02m
1 stop
GTF10:29 pmGreat Falls
May 13
GTF6:19 pmGreat Falls
4h 21m
1 stop
DEN10:40 pmDenver Intl
$278

Alaska Airlines flights from United States to Great Falls

Our best Alaska Airlines deals on United States to Great Falls flight tickets
Alaska Airlines
May 7
MSP7:00 amMinneapolis St Paul
11h 35m
1 stop
GTF5:35 pmGreat Falls
May 12
GTF6:15 pmGreat Falls
18h 46m
1 stop
MSP2:01 pmMinneapolis St Paul
$328
Alaska Airlines
May 2
SAN7:35 pmSan Diego
21h 00m
1 stop
GTF5:35 pmGreat Falls
May 5
GTF6:15 pmGreat Falls
20h 12m
1 stop
SAN1:27 pmSan Diego
$334
Alaska Airlines
Sep 17
DEN6:00 amDenver Intl
10h 13m
1 stop
GTF4:13 pmGreat Falls
Sep 18
GTF4:55 pmGreat Falls
6h 53m
1 stop
DEN11:48 pmDenver Intl
$338

momondo Fare Finder

 
Customize your flight search to find flights from United States to Great Falls 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 March 23, 2026.
Use the filters below to find and compare flights from the United States to Great Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Wed 4/8

2:49 pm-10:52 am

2 stops43h 03m

Great Falls

Sun 4/12

10:06 pm-7:21 am

1 stop10h 15m

$220

DenverGreat Falls

DEN - GTF

DENGTF

Denver Intl

Sat 9/5

5:40 am-12:23 pm

1 stop6h 43m

Great Falls

Sun 9/13

1:10 pm-7:10 pm

1 stop6h 00m

$256
Quickest round-trip

DenverGreat Falls

DEN - GTF

DENGTF

Denver Intl

Fri 5/29

7:38 pm-9:34 pm

Nonstop1h 56m

Great Falls

Wed 6/3

6:15 am-8:15 am

Nonstop2h 00m

$259

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Thu 6/11

10:50 pm-9:28 am

1 stop9h 38m

Great Falls

Mon 6/15

10:18 am-10:27 am

1 stop25h 09m

$267

DenverGreat Falls

DEN - GTF

DENGTF

Denver Intl

Fri 4/17

6:27 pm-10:29 pm

1 stop4h 02m

Great Falls

Mon 4/20

6:20 pm-10:29 pm

1 stop4h 09m

$267

DenverGreat Falls

DEN - GTF

DENGTF

Denver Intl

Sat 9/5

7:32 pm-9:28 pm

Nonstop1h 56m

Great Falls

Fri 9/18

6:15 am-8:15 am

Nonstop2h 00m

$271

DenverGreat Falls

DEN - GTF

DENGTF

Denver Intl

Tue 5/5

6:27 pm-10:29 pm

1 stop4h 02m

Great Falls

Wed 5/13

6:19 pm-10:40 pm

1 stop4h 21m

$278

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Thu 7/23

3:11 pm-9:34 am

1 stop17h 23m

Great Falls

Mon 7/27

10:19 am-7:56 pm

1 stop10h 37m

$279

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Sat 5/2

7:35 pm-5:35 pm

1 stop21h 00m

Great Falls

Tue 5/5

6:15 pm-1:27 pm

1 stop20h 12m

$314

MinneapolisGreat Falls

MSP - GTF

MSPGTF

Minneapolis St Paul

Thu 5/7

7:00 am-5:35 pm

1 stop11h 35m

Great Falls

Tue 5/12

6:15 pm-2:01 pm

1 stop18h 46m

$328

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 Great Falls from

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

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 United States to Great Falls flight route?

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

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

There is only 1 cabin class available to choose from on United States to Great Falls 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 United States to Great Falls flights?

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

Cheap United States to Great Falls flight deals and tips

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

Best Price Found

$115

Fastest flight time

1h 34m

Direct flights

Mon, Tue, Wed, Thu, Sat and Sun

Airports in Great Falls

1 airport
The best one-way flight to Great Falls from United States in the past 72 hours is $115. The best round-trip flight deal from United States to Great Falls found on momondo in the last 72 hours is $212.
The fastest flight from United States to Great Falls takes 1h 34m
Direct flights go from United States to Great Falls on Monday, Tuesday, Wednesday, Thursday, Saturday and Sunday. Airlines offering direct flights are: United Airlines, Delta and Allegiant Air.
There is 1 airport in Great Falls. From United States there are direct flights to Great Falls (GTF).
Search flight deals

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

    Prices for flights from United States to Great Falls Airport are refreshed on a daily basis.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to Great Falls Airport.

  • What documentation or ID do you need to fly to Great Falls Airport?

    The travel and health documents required for your trip to Great Falls Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Great Falls Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from United States to Great Falls

Compare and see reviews for airlines that fly from United States to Great Falls with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $82Free CancellationRating
7.3
711 reviews
Search Allegiant Air flights
Alaska AirlinesPriceFrom $234Free CancellationRating
7.9
12,094 reviews
Search Alaska Airlines flights
DeltaPriceFrom $239Free CancellationRating
7.9
8,315 reviews
Search Delta flights
United AirlinesPriceFrom $276Free CancellationRating
7.4
9,459 reviews
Search United Airlines flights

Traveling to a place near Great Falls?

Book flights to Great Falls if you plan to visit one of these locations
Shelby

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from United States to Great Falls for you.

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

Yes. momondo allows you to filter the results for United States to Great Falls flights to just show those with flexible booking policies.

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

Once you have performed a search for United States to Great Falls flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of United States to Great Falls flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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