What is the cheapest airline that flies from Louisville Intl to Great Falls?

United Airlines is the most popular carrier operating from Louisville Intl to Great Falls

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

Prices for flights from Louisville Intl Airport to Great Falls Airport are updated daily.

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

As of July 2025, there is 1 operator available to choose from for flights from Louisville Intl Airport to Great Falls Airport.

How old do you have to be to fly from Louisville Intl Airport 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 from Louisville Intl Airport 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.

$235 Cheap Flights from Louisville to Great Falls in 2025

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Find the cheapest flights from Louisville to Great Falls

Round-trip

One-way

Cheap round-trip flights

4:25 pm - 8:34 pmSDF-GTF

6h 09m1 stop

11:43 am - 11:00 pmGTF-SDF

9h 17m2 stops

$319Delta

Find Deal

Sat, Aug 23 - Wed, Aug 27

4:25 pm - 10:45 pmSDF-GTF

8h 20m2 stops

11:43 am - 11:00 pmGTF-SDF

9h 17m2 stops

$324Delta

Find Deal

Sat, Aug 23 - Wed, Aug 27

3:30 pm - 9:28 pmSDF-GTF

7h 58m1 stop

2:35 pm - 10:30 pmGTF-SDF

5h 55m1 stop

$419United Airlines

Find Deal

Sat, Aug 23 - Wed, Aug 27

9:31 am - 1:37 pmSDF-GTF

6h 06m1 stop

2:35 pm - 10:30 pmGTF-SDF

5h 55m1 stop

$444United Airlines

Find Deal

Sat, Aug 23 - Wed, Aug 27

9:31 am - 1:37 pmSDF-GTF

6h 06m1 stop

7:00 am - 6:58 pmGTF-SDF

9h 58m2 stops

$454United Airlines

Find Deal

Sat, Aug 23 - Wed, Aug 27

7:00 am - 1:37 pmSDF-GTF

8h 37m2 stops

7:00 am - 6:58 pmGTF-SDF

9h 58m2 stops

$459United Airlines

Find Deal

Sat, Aug 23 - Wed, Aug 27

12:45 pm - 10:45 pmSDF-GTF

12h 00m2 stops

6:06 pm - 10:00 amGTF-SDF

13h 54m2 stops

$699Delta

Find Deal

Thu, Aug 28 - Thu, Sep 4

7:00 am - 9:28 pmSDF-GTF

40h 28m2 stops

2:35 pm - 10:30 pmGTF-SDF

5h 55m1 stop

$840United Airlines

Find Deal

Thu, Aug 28 - Thu, Sep 4

3:30 pm - 9:28 pmSDF-GTF

7h 58m1 stop

2:35 pm - 10:30 pmGTF-SDF

5h 55m1 stop

$864United Airlines

Find Deal

Thu, Aug 28 - Thu, Sep 4

United Airlines flights from Louisville to Great Falls

Our best United Airlines deals on Louisville to Great Falls flight tickets

United Airlines

Aug 23

SDF3:30 pmLouisville Intl

7h 58m

1 stop

GTF9:28 pmGreat Falls

Aug 27

GTF2:35 pmGreat Falls

5h 55m

1 stop

SDF10:30 pmLouisville Intl

$419

Find similar

United Airlines

Aug 23

SDF9:31 amLouisville Intl

6h 06m

1 stop

GTF1:37 pmGreat Falls

Aug 27

GTF2:35 pmGreat Falls

5h 55m

1 stop

SDF10:30 pmLouisville Intl

$444

Find similar

United Airlines

Aug 23

SDF9:31 amLouisville Intl

6h 06m

1 stop

GTF1:37 pmGreat Falls

Aug 27

GTF7:00 amGreat Falls

9h 58m

2 stops

SDF6:58 pmLouisville Intl

$454

Find similar

Delta flights from Louisville to Great Falls

Our best Delta deals on Louisville to Great Falls flight tickets

Delta

Aug 23

SDF4:25 pmLouisville Intl

6h 09m

1 stop

GTF8:34 pmGreat Falls

Aug 27

GTF11:43 amGreat Falls

9h 17m

2 stops

SDF11:00 pmLouisville Intl

$319

Find similar

Delta

Aug 23

SDF4:25 pmLouisville Intl

8h 20m

2 stops

GTF10:45 pmGreat Falls

Aug 27

GTF11:43 amGreat Falls

9h 17m

2 stops

SDF11:00 pmLouisville Intl

$324

Find similar

Delta

Aug 28

SDF12:45 pmLouisville Intl

12h 00m

2 stops

GTF10:45 pmGreat Falls

Sep 4

GTF6:06 pmGreat Falls

13h 54m

2 stops

SDF10:00 amLouisville Intl

$699

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleGreat Falls

SDF - GTF

SDFGTF

Louisville Intl

Sat 8/23

4:25 pm-8:34 pm

1 stop6h 09m

Great Falls

Wed 8/27

11:43 am-11:00 pm

2 stops9h 17m

$319

LouisvilleGreat Falls

SDF - GTF

SDFGTF

Louisville Intl

Sat 8/23

4:25 pm-10:45 pm

2 stops8h 20m

Great Falls

Wed 8/27

11:43 am-11:00 pm

2 stops9h 17m

$324

LouisvilleGreat Falls

SDF - GTF

SDFGTF

Louisville Intl

Sat 8/23

3:30 pm-9:28 pm

1 stop7h 58m

Great Falls

Wed 8/27

2:35 pm-10:30 pm

1 stop5h 55m

$419

LouisvilleGreat Falls

SDF - GTF

SDFGTF

Louisville Intl

Sat 8/23

9:31 am-1:37 pm

1 stop6h 06m

Great Falls

Wed 8/27

2:35 pm-10:30 pm

1 stop5h 55m

$444

LouisvilleGreat Falls

SDF - GTF

SDFGTF

Louisville Intl

Sat 8/23

9:31 am-1:37 pm

1 stop6h 06m

Great Falls

Wed 8/27

7:00 am-6:58 pm

2 stops9h 58m

$454

LouisvilleGreat Falls

SDF - GTF

SDFGTF

Louisville Intl

Sat 8/23

7:00 am-1:37 pm

2 stops8h 37m

Great Falls

Wed 8/27

7:00 am-6:58 pm

2 stops9h 58m

$459

LouisvilleGreat Falls

SDF - GTF

SDFGTF

Louisville Intl

Thu 8/28

12:45 pm-10:45 pm

2 stops12h 00m

Great Falls

Thu 9/4

6:06 pm-10:00 am

2 stops13h 54m

$699

LouisvilleGreat Falls

SDF - GTF

SDFGTF

Louisville Intl

Thu 8/28

7:00 am-9:28 pm

2 stops40h 28m

Great Falls

Thu 9/4

2:35 pm-10:30 pm

1 stop5h 55m

$840

LouisvilleGreat Falls

SDF - GTF

SDFGTF

Louisville Intl

Thu 8/28

3:30 pm-9:28 pm

1 stop7h 58m

Great Falls

Thu 9/4

2:35 pm-10:30 pm

1 stop5h 55m

$864

LouisvilleGreat Falls

SDF - GTF

SDFGTF

Louisville Intl

Sun 11/9

6:03 pm-9:31 pm

2 stops29h 28m

$254

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How to get the cheapest flight ticket from Louisville 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

Prices

Airlines

What is the cheapest day to depart on your flight to Great Falls?

The cheapest day to depart on your flight to Great Falls is on a Tuesday when prices can be found for as low as $258. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Louisville because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $623.

What is the cheapest time of day to depart on your flight to Great Falls?

According to our data, the cheapest time of day to fly to Great Falls is in the morning. momondo users have found flights departing from Louisville to Great Falls in the morning for as low as $377. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $556 on average. Flights to Great Falls from Louisville in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Louisville to Great Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Great Falls according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Louisville to Great Falls (SDF to GTF) flight deals and tips

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

Best Price Found	$254
Fastest flight time	6h 06m
Direct flights	None
Airports in Great Falls	1 airport

The best one-way flight to Great Falls from Louisville in the past 72 hours is $254. The best round-trip flight deal from Louisville to Great Falls found on momondo in the last 72 hours is $319.

The fastest flight from Louisville to Great Falls takes 6h 06m

There are no direct flights from Louisville to Great Falls. Popular non-direct route for this connection is Louisville Intl Airport - Great Falls Airport.

There is 1 airport near Great Falls: Great Falls (GTF)

Search flight deals

How far is Louisville Intl to Great Falls by plane?
There are 1432.8 mi between Louisville Intl and Great Falls. A reasonable flight in good conditions will take 6h 06m.
When did momondo last update prices for flights from Louisville Intl Airport to Great Falls Airport?
Prices for flights from Louisville Intl Airport to Great Falls Airport are updated daily.
How many operators does momondo search for flights from Louisville Intl Airport to Great Falls Airport?
As of July 2025, there is 1 operator available to choose from for flights from Louisville Intl Airport to Great Falls Airport.
How old do you have to be to fly from Louisville Intl Airport 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 from Louisville Intl Airport 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 airline from Louisville to Great Falls?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Louisville to Great Falls is United Airlines (100% of total bookings).

Best airlines flying from Louisville to Great Falls

Compare and see reviews for airlines that fly from Louisville to Great Falls with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $258	Free Cancellation	Rating 7.4 8,900 reviews		Search United Airlines flights

Shelby

Why use momondo?

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

Finding the right flight to Great Falls from Louisville is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Great Falls quick and easy, saving you time and money.

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

Flights from Louisville to Great Falls with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Louisville to Great Falls.

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

If you are not ready to book a flight from Louisville to Great Falls now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Great Falls and let you know when they change.

An easier way to manage your Great Falls trip

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Cheap flights from Louisville to Great Falls from $254

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Great Falls departing on 11/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Louisville to Great Falls

Cheap round-trip flights

Cheap one-way flights

United Airlines flights from Louisville to Great Falls

Our best United Airlines deals on Louisville to Great Falls flight tickets

Delta flights from Louisville to Great Falls

Our best Delta deals on Louisville to Great Falls flight tickets

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Use the filters below to find and compare flights from Louisville to Great Falls that are best for you.

See travel insights to Great Falls from

How to get the cheapest flight ticket from Louisville 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 day to depart on your flight to Great Falls?

What is the cheapest time of day to depart on your flight to Great Falls?

What is the cheapest airline that flies from Louisville Intl to Great Falls?

United Airlines is the most popular carrier operating from Louisville Intl to Great Falls

When to book flights from Louisville to Great Falls

Cheap Louisville to Great Falls (SDF to GTF) flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Great Falls

How far is Louisville Intl to Great Falls by plane?

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

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

How old do you have to be to fly from Louisville Intl Airport to Great Falls Airport?

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

What is the most popular airline from Louisville to Great Falls?

Best airlines flying from Louisville to Great Falls

Compare and see reviews for airlines that fly from Louisville to Great Falls with momondo

Traveling to a place near Great Falls?

Why use momondo?

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

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

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

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

An easier way to manage your Great Falls trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Montana