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$254+ Cheap flights from Louisville to Great Falls (SDF - GTF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — GTF
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap 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 July 30, 2025.

Round-trip from

$349
(Delta)

One-way from

$254
(Mytrip)

Popular in

October

Cheapest in

August

Average price

$708
From Louisville Intl to Great Falls
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One-way flight from Louisville Intl to Great Falls
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Highest demand for flights based on searches. 24% potential increase in price ($188 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($47 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 30, 2025.

This Delta deal was found by Cheapflights users on 7/27. 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 8/234:25 pmSDF - GTF
1 stop6h 09mDelta
Wed 8/276:06 pmGTF - SDF
2 stops13h 54mDelta
Deal found 7/27$349
This United Airlines deal was found by Cheapflights users on 7/27. 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 8/233:30 pmSDF - GTF
1 stop7h 58mUnited Airlines
Wed 8/272:35 pmGTF - SDF
1 stop5h 55mUnited Airlines
Deal found 7/27$419

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 July 30, 2025.
Use the filters below to find and compare flights from Louisville to Great Falls that are best for you.

Fly from

Louisville

Fly to

Great Falls

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

6:06 pm-10:00 am

2 stops13h 54m

$349

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

Sun 11/9

6:03 pm-9:31 pm

2 stops29h 28m

$254

LouisvilleGreat Falls

SDF - GTF

SDFGTF

Louisville Intl

Sun 11/9

8:00 am-1:33 pm

1 stop7h 33m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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 July 30, 2025.
See what other customers who have flown with Delta and 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.
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines flying from Louisville to Great Falls round-trip?

    Delta, at $349, was found to be the cheapest airline from Louisville to Great Falls. An alternate airline flying to your destination would be United Airlines. Users have found that Delta is 41% cheaper than the other options available to this destination.

  • 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.

  • What is the cheapest month to book a flight from Louisville to Great Falls?

    Currently, January is the cheapest month in which you can book a flight from Louisville to Great Falls (average of $367). Flying from Louisville to Great Falls in July is currently the most expensive (average of $574). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

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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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$258Average$623FlexibilityNo cancel feeOn-time69%

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