Cheap Flights from St. Paul (STP) to Louisville (SDF)

Popular airlines from St. Paul, MN (STP-St. Paul Downtown) to Louisville Intl. Airport (SDF)

Frequently asked questions

How much does a flight from St. Paul Downtown Airport (STP) to Louisville Intl. Airport (SDF) cost?
Lock in a cheap one-way flight or cheap return flight from St. Paul Downtown Airport (STP) to Louisville Intl. Airport (SDF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from St. Paul Downtown Airport (STP) to Louisville Intl. Airport (SDF)?
Traveling in is a good way to save, as it's the cheapest month for flights between STP and SDF. You'll typically find the lowest prices during off-peak months.
Which airlines fly direct from St. Paul Downtown Airport (STP) to Louisville Intl. Airport (SDF)?
While St. Paul, MN (STP-St. Paul Downtown) doesn't have any direct flights to Louisville Intl. Airport (SDF), other airports have nonstop routes. Leaving from Minneapolis - St. Paul Intl. Airport (MSP) will get you to Louisville without any detours.
How many flights per day from St. Paul Downtown Airport (STP) to Louisville Intl. Airport (SDF)?
There are no daily direct flights available from St. Paul Downtown Airport (STP) to Louisville Intl. Airport (SDF). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from STP to SDF?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from St. Paul Downtown Airport (STP) to Louisville Intl. Airport (SDF)?
To avoid potential delays on the St. Paul Downtown Airport (STP) to Louisville Intl. Airport (SDF) route, aim to travel before 3 PM. Flights after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from St. Paul Downtown Airport (STP) to Louisville Intl. Airport (SDF) last-minute?
Booking your plane ticket from STP to SDF shortly before your getaway is typically more expensive. However, if you're flexible with your travel dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a STP to SDF flight and hotel package?
Booking a STP to SDF flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from St. Paul Downtown Airport (STP) to Louisville Intl. Airport (SDF)?
Typically, you're able to cancel or reschedule your STP to SDF flight. However, additional charges may apply, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you'd like further details, go to our Customer Service portal.

Travel information

Travel information

Origin airport
St. Paul Downtown
Destination airport
Louisville Intl.
Distance
599 mi

Book with confidence

Book with confidence

St. Paul to Louisville Flights

The cheapest times to fly from St. Paul to Louisville

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Paul to Louisville are during the month of . You can find some of the cheapest flights from St. Paul to Louisville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Paul to Louisville

Sunday is one of the best days to book for cheap flights from St. Paul to Louisville: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Paul to Louisville

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Paul to Louisville in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Paul to Louisville flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Paul to Louisville airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Paul to Louisville Flights

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*Available to One Key members.