Cheap Flights from Louisville (SDF) to Turku (TKU)

Popular airlines from Louisville Intl. Airport (SDF) to Turku (TKU)

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Frequently asked questions

How much does a flight from Louisville Intl. Airport (SDF) to Turku Airport (TKU) cost?
Get a cheap one-way flight or cheap return flight from Louisville Intl. Airport (SDF) to Turku Airport (TKU) 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 Louisville Intl. Airport (SDF) to Turku Airport (TKU)?
Planning your trip for can help you save, as it's the cheapest month for flights between SDF and TKU. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Louisville Intl. Airport (SDF) to Turku Airport (TKU)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SDF to TKU flight.
How many flights per day from Louisville Intl. Airport (SDF) to Turku Airport (TKU)?
Nonstop flights from Louisville Intl. Airport (SDF) to Turku Airport (TKU) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SDF to TKU?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change 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 Louisville Intl. Airport (SDF) to Turku Airport (TKU)?
To avoid possible delays on the Louisville Intl. Airport (SDF) to Turku Airport (TKU) route, aim to fly before 3 PM. Later departures are 22% more likely to be 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 Louisville Intl. Airport (SDF) to Turku Airport (TKU) last-minute?
Last-minute fares from SDF to TKU are usually more expensive. To secure the lowest prices, start searching for flights early. That said, if you can play around with your travel dates, you may land a cheap ticket just before your departure.
Is it cheaper to book a SDF to TKU flight and hotel package?
Securing a SDF to TKU flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Pick from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Louisville Intl. Airport (SDF) to Turku Airport (TKU)?
Usually, it's possible to cancel or reschedule your SDF to TKU flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Louisville Intl.
Destination airport
Turku
Distance
4508 mi

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Louisville to Turku Flights

The cheapest times to fly from Louisville to Turku

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 Louisville to Turku are during the month of . You can find some of the cheapest flights from Louisville to Turku with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Louisville to Turku

Sunday is one of the best days to book for cheap flights from Louisville to Turku: 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 Louisville to Turku

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 Louisville to Turku 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 Louisville to Turku 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 Louisville to Turku 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.

 

Louisville to Turku Flights

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*Available to One Key members.