How long is the flight from Louisville to Great Falls?

There are many flights that can get you from Louisville to Great Falls in 7h 49m. Fly via United Airlines to get the fastest option. There are 1439 mi between Louisville and Great Falls.

In terms of precipitation, rainfall in Great Falls ranges from 0.5 - 2.5 inches per month. June is typically the wettest month, when rainfall can reach 2.5 in. January is typically the driest time to visit Great Falls when rainfall is around 0.5 in.

If weather is an important factor for your trip to Great Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

What is the cheapest time of day to fly from SDF to GTF?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Louisville to Great Falls as you normally would.

Most accurate provider : When it comes to deals on Louisville-Great Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Great Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Great Falls flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Louisville-Great Falls flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Louisville-Great Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Louisville to Great Falls that include hotel bookings?

Yes. In addition to deals on Louisville to Great Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Louisville to Great Falls?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Great Falls.

Can I find deals for business class flights from Louisville to Great Falls?

Yes. Cheapflights offers flight deals from Louisville to Great Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$418+ Cheap Flights from Louisville to Great Falls

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Cheap flight deals from Louisville to Great Falls

Cheapest

Best

One-way

Cheapest flights from Louisville to Great Falls
Explore the most affordable flight options available from Louisville to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.

Sat 11/78:00 am -

1 stop7h 49m

Wed 11/112:45 pm -

1 stop5h 39m

Deal found 9/10

$418

Find flight deals from Louisville to Great Falls

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$418 (United Airlines)

Provider with most accurate pricing for Louisville Intl-Great Falls flight deals.

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Provider most trusted by Cheapflights users for Louisville Intl-Great Falls flights.

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From Louisville Intl to Great Falls

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleGreat Falls

SDF Louisville Intl - GTF Great Falls

SDFGTF

Louisville Intl

Sat 11/7

8:00 am-1:49 pm

1 stop7h 49m

Great Falls

Wed 11/11

2:45 pm-10:24 pm

1 stop5h 39m

$418

Quickest round-trip

LouisvilleGreat Falls

SDF Louisville Intl - GTF Great Falls

SDFGTF

Louisville Intl

Sat 10/3

7:55 am-1:41 pm

1 stop7h 46m

Great Falls

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$709

LouisvilleGreat Falls

SDF Louisville Intl - GTF Great Falls

SDFGTF

Louisville Intl

Sat 10/3

6:30 am-4:35 pm

3 stops36h 05m

Great Falls

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$1,111

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Sorted by cheapest first

Compare providers for flights from Louisville to Great Falls

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to Great Falls in September.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Louisville-Great Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Great Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Great Falls flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Louisville-Great Falls flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Louisville-Great Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Louisville to Great Falls

Have a flexible travel schedule? Discover the best time to fly to Great Falls from Louisville with our price prediction graph.

SDF-GTF

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Great Falls

See what other customers who have flown with United Airlines from Louisville to Great Falls have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

10,214 reviews

Reviews

1 / 20

8.0

Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

United Airlines

7.4

Good

10,214 reviews

United Airlines

7.4

Good

10,214 reviews

Reviews

1 / 20

8.0

Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

Related info for your journey

How long is the flight from Louisville to Great Falls?
There are many flights that can get you from Louisville to Great Falls in 7h 49m. Fly via United Airlines to get the fastest option. There are 1439 mi between Louisville and Great Falls.
Can I find deals for flights from Louisville to Great Falls that include hotel bookings?
Yes. In addition to deals on Louisville to Great Falls flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Louisville to Great Falls?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Great Falls.
Can I find deals for business class flights from Louisville to Great Falls?
Yes. Cheapflights offers flight deals from Louisville to Great Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$418+ Cheap flights from Louisville to Great Falls (SDF - GTF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/7. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Louisville to Great Falls with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Louisville to Great Falls

Cheapest flights from Louisville to Great FallsExplore the most affordable flight options available from Louisville to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.

Explore the most affordable flight options available from Louisville to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.

Best flights from Louisville to Great FallsDiscover carefully curated flight deals from Louisville to Great Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.

Discover carefully curated flight deals from Louisville to Great Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.

One-way flights from Louisville to Great FallsSearch for one-way flight options from Louisville to Great Falls. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.

Search for one-way flight options from Louisville to Great Falls. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.

Find flight deals from Louisville to Great Falls

Most accurate provider

Most trusted provider

Round-trip from

Cheapflights Fare Finder

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

Compare providers for flights from Louisville to Great Falls

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to Great Falls in September.

Best time to book a flight from Louisville to Great Falls

Have a flexible travel schedule? Discover the best time to fly to Great Falls from Louisville with our price prediction graph.

Reviews of airlines servicing Great Falls

See what other customers who have flown with United Airlines from Louisville to Great Falls have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Louisville to Great Falls?

Can I find deals for flights from Louisville to Great Falls that include hotel bookings?

How can I find direct flights from Louisville to Great Falls?

Can I find deals for business class flights from Louisville to Great Falls?

Traveling to a place near Great Falls?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Louisville to Great Falls

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Great Falls by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Louisville to Great Falls by cabin class

Find flights from Louisville to Great Falls, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Great Falls

Explore flights to Great Falls departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 13, 2026.

Louisville and Great Falls flights

Browse other Louisville and Great Falls flight options. Last updated on September 13, 2026.

Other flights from Louisville

Browse through other flights departing from Louisville. Flights are based on user searches made on Cheapflights and were last updated on September 13, 2026.

Popular flight searches

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Cheapest flights from Louisville to Great Falls
Explore the most affordable flight options available from Louisville to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.

Best flights from Louisville to Great Falls
Discover carefully curated flight deals from Louisville to Great Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.

One-way flights from Louisville to Great Falls
Search for one-way flight options from Louisville to Great Falls. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.