HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Great Falls

$451+ 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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — GTF
May 27 — Jun 31
Wed 5/27
Wed 6/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Louisville to Great Falls with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Louisville to Great Falls

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 April 27, 2026.

This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/255:20 am
SDF
-
GTF
1 stop8h 23m
United Airlines
Fri 8/72:37 pm
GTF
-
SDF
1 stop6h 22m
United Airlines
Deal found 4/22$451
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/53:25 pm
SDF
-
GTF
1 stop8h 09m
United Airlines
Sun 6/142:37 pm
GTF
-
SDF
1 stop6h 22m
United Airlines
Deal found 4/26$483
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:25 pm
SDF
-
GTF
1 stop8h 09m
United Airlines
Fri 8/72:37 pm
GTF
-
SDF
1 stop6h 22m
United Airlines
Deal found 4/22$498
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:58 pm
SDF
-
GTF
2 stops23h 45m
Delta
Fri 8/76:25 pm
GTF
-
SDF
2 stops13h 29m
Delta
Deal found 4/22$532
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/276:00 am
SDF
-
GTF
2 stops13h 43m
Delta
Fri 8/76:25 pm
GTF
-
SDF
2 stops13h 29m
Delta
Deal found 4/22$548
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/237:05 am
SDF
-
GTF
2 stops17h 33m
Delta
Fri 8/76:25 pm
GTF
-
SDF
2 stops13h 29m
Delta
Deal found 4/22$562
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:25 pm
SDF
-
GTF
1 stop8h 09m
United Airlines
Mon 8/102:37 pm
GTF
-
SDF
1 stop6h 22m
United Airlines
Deal found 4/22$572
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/256:38 pm
SDF
-
GTF
2 stops25h 05m
Delta
Fri 8/76:25 pm
GTF
-
SDF
2 stops13h 29m
Delta
Deal found 4/22$588
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:25 pm
SDF
-
GTF
1 stop8h 09m
United Airlines
Tue 8/46:15 am
GTF
-
SDF
1 stop6h 13m
United Airlines
Deal found 4/22$608
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2212:40 pm
SDF
-
GTF
2 stops11h 58m
Delta
Fri 8/76:25 pm
GTF
-
SDF
2 stops13h 29m
Delta
Deal found 4/22$611
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:58 pm
SDF
-
GTF
2 stops23h 45m
Delta
Mon 8/106:20 pm
GTF
-
SDF
2 stops17h 18m
Delta
Deal found 4/22$620
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:25 pm
SDF
-
GTF
1 stop8h 09m
United Airlines
Thu 8/62:37 pm
GTF
-
SDF
2 stops17h 46m
United Airlines
Deal found 4/22$623

Find flight deals from Louisville to Great Falls

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Great Falls (GTF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$451
(United Airlines)
Provider with most accurate pricing for Louisville Intl-Great Falls flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Great Falls flights.
Search Deals
From Louisville Intl to Great Falls
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville 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, Cheapflights users made 2,558,603 searches. Data last updated April 27, 2026.
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 - GTF

SDFGTF

Louisville Intl

Fri 6/5

3:25 pm-9:34 pm

1 stop8h 09m

Great Falls

Sun 6/14

2:37 pm-10:59 pm

1 stop6h 22m

$483

LouisvilleGreat Falls

SDF - GTF

SDFGTF

Louisville Intl

Tue 7/28

3:25 pm-9:34 pm

1 stop8h 09m

Great Falls

Mon 8/10

2:37 pm-10:59 pm

1 stop6h 22m

$572

LouisvilleGreat Falls

SDF - GTF

SDFGTF

Louisville Intl

Sat 7/25

6:38 pm-5:43 pm

2 stops25h 05m

Great Falls

Fri 8/7

6:25 pm-9:54 am

2 stops13h 29m

$588

LouisvilleGreat Falls

SDF - GTF

SDFGTF

Louisville Intl

Thu 7/23

7:05 am-10:38 pm

2 stops17h 33m

Great Falls

Mon 8/10

6:20 pm-1:38 pm

2 stops17h 18m

$650
Quickest round-trip

LouisvilleGreat Falls

SDF - GTF

SDFGTF

Louisville Intl

Sat 7/25

7:10 am-11:43 am

1 stop6h 33m

Great Falls

Tue 8/4

6:15 am-2:28 pm

1 stop6h 13m

$738

LouisvilleGreat Falls

SDF - GTF

SDFGTF

Louisville Intl

Sun 7/26

3:25 pm-9:34 pm

1 stop8h 09m

Great Falls

Tue 8/4

6:15 am-2:28 pm

1 stop6h 13m

$1,148

LouisvilleGreat Falls

SDF - GTF

SDFGTF

Louisville Intl

Sun 7/26

7:10 am-1:41 pm

2 stops8h 31m

Great Falls

Sat 8/8

6:15 am-2:28 pm

1 stop6h 13m

$1,799

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/26

Sorted by cheapest first

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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.
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

Get insights into the airlines that provide service to Great Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Great Falls. Reviews last updated April 27, 2026.
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
9,665 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Comfort

7.3

Boarding

7.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,665 reviews
United Airlines
7.4
Good
9,665 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Comfort

7.3

Boarding

7.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Related info for your journey

Find useful and relevant information for your journey from Louisville to Great Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Louisville to Great Falls?

    There are many flights that can get you from Louisville to Great Falls in 8h 09m. Fly via United Airlines or Delta to get the fastest option. There are 1439 mi between Louisville and Great Falls. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Louisville to Great Falls round-trip?

    United Airlines, at $258, was found to be the cheapest airline from Louisville to 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.

See more FAQs

Traveling to a place near Great Falls?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Louisville to Great Falls

Discover the top airline that operate flights from Louisville to Great Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$258Average$408FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights