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Flights to Great Falls

$164 Cheap flights to Great Falls

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Great Falls departing on 9/30. 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

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:35 pm - 9:12 pm
MKE
-
GTF
7h 37m
1 stop
United Airlines Logo
2:25 pm - 11:59 pm
GTF
-
MKE
8h 34m
1 stop
$318United Airlines
Wed, Aug 26 - Sun, Aug 30
United Airlines Logo
2:35 pm - 9:12 pm
MKE
-
GTF
7h 37m
1 stop
United Airlines Logo
6:15 am - 1:29 pm
GTF
-
MKE
6h 14m
1 stop
$318United Airlines
Thu, Aug 27 - Sun, Aug 30
Delta Logo
7:30 am - 12:28 pm
MKE
-
GTF
5h 58m
1 stop
Delta Logo
1:08 pm - 9:41 pm
GTF
-
MKE
7h 33m
1 stop
$318Delta
Tue, Aug 18 - Tue, Aug 25
Delta Logo
7:30 am - 12:28 pm
MKE
-
GTF
5h 58m
1 stop
Delta Logo
1:08 pm - 9:41 pm
GTF
-
MKE
7h 33m
1 stop
$318Delta
Fri, Aug 21 - Tue, Aug 25
United Airlines Logo
1:19 pm - 9:12 pm
MKE
-
GTF
8h 53m
2 stops
United Airlines Logo
6:15 am - 1:29 pm
GTF
-
MKE
6h 14m
1 stop
$324United Airlines
Wed, Aug 26 - Sun, Aug 30
Delta Logo
7:30 am - 12:28 pm
MKE
-
GTF
5h 58m
1 stop
Delta Logo
6:18 pm - 9:16 am
GTF
-
MKE
13h 58m
2 stops
$324Delta
Tue, Aug 18 - Tue, Aug 25
Alaska Airlines Logo
9:03 pm - 4:38 pm
DFW
-
GTF
20h 35m
1 stop
Alaska Airlines Logo
5:18 pm - 11:59 am
GTF
-
DFW
17h 41m
1 stop
$328Alaska Airlines
Fri, Aug 28 - Wed, Sep 2
Alaska Airlines Logo
9:03 pm - 4:38 pm
DFW
-
GTF
20h 35m
1 stop
Alaska Airlines Logo
5:18 pm - 2:46 pm
GTF
-
DFW
20h 28m
1 stop
$328Alaska Airlines
Fri, Aug 28 - Tue, Sep 1
United Airlines Logo
5:09 pm - 9:12 pm
DFW
-
GTF
5h 03m
1 stop
United Airlines Logo
2:25 pm - 8:38 pm
GTF
-
DFW
5h 13m
1 stop
$328United Airlines
Fri, Aug 28 - Wed, Sep 2
Alaska Airlines Logo
5:57 pm - 4:39 pm
CLE
-
GTF
24h 42m
1 stop
Alaska Airlines Logo
5:19 pm - 5:11 am
GTF
-
CLE
9h 52m
1 stop
$348Alaska Airlines
Wed, Sep 23 - Mon, Sep 28

momondo Fare Finder

 
Locate flights to Great Falls that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 832,500 searches and data was last updated on July 28, 2026.
Use the filters below to find and compare flights to Great Falls that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip

MilwaukeeGreat Falls

MKE - GTF

MKEGTF

Milwaukee-Mitchell

Wed 8/26

2:35 pm-9:12 pm

1 stop7h 37m

Great Falls

Sun 8/30

2:25 pm-11:59 pm

1 stop8h 34m

$318

MilwaukeeGreat Falls

MKE - GTF

MKEGTF

Milwaukee-Mitchell

Thu 8/27

2:35 pm-9:12 pm

1 stop7h 37m

Great Falls

Sun 8/30

6:15 am-1:29 pm

1 stop6h 14m

$318

MilwaukeeGreat Falls

MKE - GTF

MKEGTF

Milwaukee-Mitchell

Tue 8/18

7:30 am-12:28 pm

1 stop5h 58m

Great Falls

Tue 8/25

1:08 pm-9:41 pm

1 stop7h 33m

$318

MilwaukeeGreat Falls

MKE - GTF

MKEGTF

Milwaukee-Mitchell

Fri 8/21

7:30 am-12:28 pm

1 stop5h 58m

Great Falls

Tue 8/25

1:08 pm-9:41 pm

1 stop7h 33m

$318

MilwaukeeGreat Falls

MKE - GTF

MKEGTF

Milwaukee-Mitchell

Wed 8/26

1:19 pm-9:12 pm

2 stops8h 53m

Great Falls

Sun 8/30

6:15 am-1:29 pm

1 stop6h 14m

$324

MilwaukeeGreat Falls

MKE - GTF

MKEGTF

Milwaukee-Mitchell

Tue 8/18

7:30 am-12:28 pm

1 stop5h 58m

Great Falls

Tue 8/25

6:18 pm-9:16 am

2 stops13h 58m

$324

DallasGreat Falls

DFW - GTF

DFWGTF

Dallas/Fort Worth

Fri 8/28

9:03 pm-4:38 pm

1 stop20h 35m

Great Falls

Wed 9/2

5:18 pm-11:59 am

1 stop17h 41m

$328

DallasGreat Falls

DFW - GTF

DFWGTF

Dallas/Fort Worth

Fri 8/28

9:03 pm-4:38 pm

1 stop20h 35m

Great Falls

Tue 9/1

5:18 pm-2:46 pm

1 stop20h 28m

$328
Quickest round-trip

DallasGreat Falls

DFW - GTF

DFWGTF

Dallas/Fort Worth

Fri 8/28

5:09 pm-9:12 pm

1 stop5h 03m

Great Falls

Wed 9/2

2:25 pm-8:38 pm

1 stop5h 13m

$328

ClevelandGreat Falls

CLE - GTF

CLEGTF

Cleveland Hopkins Intl

Wed 9/23

5:57 pm-4:39 pm

1 stop24h 42m

Great Falls

Mon 9/28

5:19 pm-5:11 am

1 stop9h 52m

$348

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

Great Falls flights insights and trends

Explore insights for your Great Falls flight to craft the best travel plan

What is the cheapest month to fly to Great Falls?

The month of August is another great option to travel to Great Falls, with average flight prices from United States averaging around $428.

What is the absolute cheapest flight to Great Falls?

The best deal found on momondo in the last two weeks was a flight to Great Falls from Denver for $329. This is 6% cheaper than most flight deals to Great Falls. To find the cheapest price to Great Falls from your area, use momondo’s Airport-to-Airport Pricing Tool.

See prices from:

Cheapest flights to Great Falls

Find the cheapest flights to Great Falls from your nearest city or airport
Find flights from Los Angeles to Helena
CHEAPEST MONTH TO FLY TO GREAT FALLS FROM LOS ANGELESMay52% cheaperFlying from Los Angeles to Great Falls costs on average just $169 in May
MOST EXPENSIVE MONTH TO FLY TO GREAT FALLS FROM LOS ANGELESDecember100% more expensiveIt costs about $697 for flights to Great Falls from Los Angeles in December
MOST POPULAR MONTH TO FLY TO GREAT FALLS FROM LOS ANGELESJuly1,200% more users visitedMore momondo users searched in flights to Great Falls from Los Angeles in July than any other month

Cheap Great Falls flight deals and tips

Summary info about Great Falls flight prices, duration and airlines

Best One-Way Price

$164

Best Round-Trip Price

$318

Fastest flight time

5h 47m

Popular in

December
The best one-way flight price to Great Falls from United States in the last 5 days is $164 (Chicago O'Hare Intl to Great Falls).
Search Deals
The best round-trip flight price to Great Falls from United States in the last 5 days is $318 (Milwaukee-Mitchell to Great Falls).
Search Deals
The fastest flight to Great Falls from United States takes 5h 47m (New Orleans Louis Armstrong to Great Falls).
Search Deals
December has the highest demand for flights to Great Falls, with a 0% price increase on average.
Search Deals

Frequently asked questions about flying to Great Falls

Is there an alternative airport near Great Falls?

Helena Airport can be an alternative airport used for travel to Great Falls.

Is there a cheaper alternative to flying into Great Falls?

You can find deals at Helena Airport for $351 on average, but that price can change based on your departure airport. To save money, try momondo’s Airport-to-Airport Pricing Tool.

When did momondo last update prices for flights to Great Falls Airport?

Prices for flights to Great Falls Airport were last updated today.

How many operators does momondo search for flights to Great Falls Airport?

As of July 2026, there are 4 operators available to choose from for flights to Great Falls Airport.

How old do you have to be to fly to 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 to 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.

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 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 for you.

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

Yes. momondo enables you to select and highlight flights to Great Falls with this policy.

How can momondo help me find flights to Great Falls?

momondo provides multiple filters to help you find the best flight to Great Falls. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Great Falls, momondo offers a useful price alert feature which will track prices for flights to Great Falls and alert you when they change.

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