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 December 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 2025/26

1 adult

0 bags

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Find the cheapest flights from Louisville to Great Falls

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Cheap round-trip flights

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3:22 pm - 9:53 pm

SDF

GTF

8h 31m1 stop

2:29 pm - 10:24 pm

GTF

SDF

5h 55m1 stop

$358United Airlines

Fri, Jan 23 - Tue, Jan 27

9:50 am - 9:53 pm

SDF

GTF

14h 03m2 stops

2:29 pm - 10:24 pm

GTF

SDF

5h 55m1 stop

$364United Airlines

Fri, Jan 23 - Tue, Jan 27

9:50 am - 9:53 pm

SDF

GTF

14h 03m2 stops

2:29 pm - 10:24 pm

GTF

SDF

5h 55m1 stop

$389United Airlines

Fri, Jan 23 - Tue, Jan 27

9:50 am - 9:53 pm

SDF

GTF

14h 03m2 stops

2:29 pm - 10:30 pm

GTF

SDF

30h 01m2 stops

$438United Airlines

Fri, Jan 23 - Tue, Jan 27

9:50 am - 9:53 pm

SDF

GTF

14h 03m2 stops

6:10 am - 8:28 pm

GTF

SDF

12h 18m2 stops

$454United Airlines

Fri, Jan 23 - Tue, Jan 27

United Airlines flights from Louisville to Great Falls

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

United Airlines

Jan 23

SDF3:22 pmLouisville Intl

8h 31m

1 stop

GTF9:53 pmGreat Falls

Jan 27

GTF2:29 pmGreat Falls

5h 55m

1 stop

SDF10:24 pmLouisville Intl

$358

Find similar

United Airlines

Jan 23

SDF9:50 amLouisville Intl

14h 03m

2 stops

GTF9:53 pmGreat Falls

Jan 27

GTF2:29 pmGreat Falls

5h 55m

1 stop

SDF10:24 pmLouisville Intl

$364

Find similar

United Airlines

Jan 23

SDF9:50 amLouisville Intl

14h 03m

2 stops

GTF9:53 pmGreat Falls

Jan 27

GTF2:29 pmGreat Falls

5h 55m

1 stop

SDF10:24 pmLouisville Intl

$389

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleGreat Falls

SDF - GTF

SDFGTF

Louisville Intl

Fri 1/23

3:22 pm-9:53 pm

1 stop8h 31m

Great Falls

Tue 1/27

2:29 pm-10:24 pm

1 stop5h 55m

$358

LouisvilleGreat Falls

SDF - GTF

SDFGTF

Louisville Intl

Fri 1/23

9:50 am-9:53 pm

2 stops14h 03m

Great Falls

Tue 1/27

2:29 pm-10:24 pm

1 stop5h 55m

$364

LouisvilleGreat Falls

SDF - GTF

SDFGTF

Louisville Intl

Fri 1/23

9:50 am-9:53 pm

2 stops14h 03m

Great Falls

Tue 1/27

2:29 pm-10:24 pm

1 stop5h 55m

$389

LouisvilleGreat Falls

SDF - GTF

SDFGTF

Louisville Intl

Fri 1/23

9:50 am-9:53 pm

2 stops14h 03m

Great Falls

Tue 1/27

2:29 pm-10:30 pm

2 stops30h 01m

$438

LouisvilleGreat Falls

SDF - GTF

SDFGTF

Louisville Intl

Fri 1/23

9:50 am-9:53 pm

2 stops14h 03m

Great Falls

Tue 1/27

6:10 am-8:28 pm

2 stops12h 18m

$454

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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?

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

Fastest flight time	8h 31m
Direct flights	None

The fastest flight from Louisville to Great Falls takes 8h 31m

There are no direct flights from Louisville to Great Falls. There are no popular flight routes from Louisville to Great Falls.

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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 8h 31m.
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 December 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 9,091 reviews		Search United Airlines flights

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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.