$438+ 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.
SDF — GTF
Nov 26 — Dec 31
Round-trip
1 adult, Economy
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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
Best
Last-minute
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 October 27, 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 October 27, 2026.
This United Airlines deal was found by Cheapflights users on 10/23. 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 11/78:00 am -
1 stop7h 49m
Wed 11/112:45 pm -
1 stop5h 39m
Deal found 10/23![United Airlines logo]()
$438
This United Airlines deal was found by Cheapflights users on 10/23. 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 11/143:24 pm -
1 stop8h 14m
Tue 11/172:45 pm -
1 stop5h 39m
Deal found 10/23![United Airlines logo]()
$478
This Delta deal was found by Cheapflights users on 10/27. 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.
Fri 10/308:05 am -
2 stops11h 42m
Sat 11/75:40 am -
2 stops11h 30m
Deal found 10/27![Delta logo]()
$549
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 October 27, 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 October 27, 2026.
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 11/113:24 pm -
1 stop8h 14m
Sun 11/156:30 am -
1 stop5h 52m
Deal found 10/27![United Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 10/27. 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.
Wed 11/113:00 pm -
2 stops9h 30m
Sun 11/156:19 pm -
2 stops12h 47m
Deal found 10/27![Delta logo]()
$449
This United Airlines deal was found by Cheapflights users on 10/23. 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 11/78:00 am -
1 stop7h 49m
Wed 11/116:30 am -
2 stops15h 00m
Deal found 10/23![United Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 10/23. 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 11/143:24 pm -
1 stop8h 14m
Tue 11/172:45 pm -
1 stop5h 39m
Deal found 10/23![United Airlines logo]()
$478
Last-minute flights from Louisville to Great FallsDiscover last-minute flight deals from Louisville to Great Falls. Data last updated October 27, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Great Falls. Data last updated October 27, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/27. 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.
Fri 10/308:05 am -
2 stops11h 42m
Sat 11/75:40 am -
2 stops11h 30m
Deal found 10/27![Delta logo]()
$549
This United Airlines deal was found by Cheapflights users on 10/23. 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 11/78:00 am -
1 stop7h 49m
Wed 11/112:45 pm -
1 stop5h 39m
Deal found 10/23![United Airlines logo]()
$438
This United Airlines deal was found by Cheapflights users on 10/23. 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 11/143:24 pm -
1 stop8h 14m
Tue 11/172:45 pm -
1 stop5h 39m
Deal found 10/23![United Airlines logo]()
$478
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 October 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $438 (United Airlines) |
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 7,457,451 searches. Data last updated October 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
Cheapest round-trip
LouisvilleGreat Falls
SDF Louisville Intl - GTF Great Falls
SDFGTF
Louisville Intl
Wed 11/11
3:24 pm-9:38 pm
1 stop8h 14m
Great Falls
Sun 11/15
6:30 am-2:22 pm
1 stop5h 52m
$438
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
6:30 am-11:30 pm
2 stops15h 00m
$444
LouisvilleGreat Falls
SDF Louisville Intl - GTF Great Falls
SDFGTF
Louisville Intl
Wed 11/11
3:00 pm-10:30 pm
2 stops9h 30m
Great Falls
Sun 11/15
6:19 pm-9:06 am
2 stops12h 47m
$449
Quickest round-trip
LouisvilleGreat Falls
SDF Louisville Intl - GTF Great Falls
SDFGTF
Louisville Intl
Sat 11/14
3:24 pm-9:38 pm
1 stop8h 14m
Great Falls
Tue 11/17
2:45 pm-10:24 pm
1 stop5h 39m
$478
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- 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
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 October 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.
Overall
7.3
Food
6.7
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Overall
7.3
Food
6.7
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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.
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Book flights to Great Falls if you plan to visit one of these locationsShelby
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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 7,457,451 searches. Data last updated October 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$298 | Average$537 | FlexibilityNo cancel fee | On-time69% |