How does KAYAK find such low prices on flights from Europe to Louisville?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Europe to Louisville.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Europe to Louisville?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Louisville from Europe is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Europe to Louisville?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Louisville with an airline and back to Europe with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Europe to Louisville?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Louisville from Europe up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$589 CHEAP FLIGHTS from Europe to Louisville

Save 19% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals

Cheap Flights from Europe to Louisville

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Europe to Louisville

Thu, Oct 22 - Tue, Oct 27

10:50 am - 10:07 pmBRU Brussels Bruxelles-National-SDF Louisville Intl

17h 17m2 stops London Heathrow Philadelphia

4:53 pm - 1:05 pmSDF Louisville Intl-BRU Brussels Bruxelles-National

15h 12m2 stops Philadelphia London Heathrow

$751American Airlines

Sat, Feb 20 - Thu, Mar 4

11:45 am - 10:22 pmBRU Brussels Bruxelles-National-SDF Louisville Intl

16h 37m2 stops London Heathrow Charlotte Douglas

1:10 pm - 10:45 amSDF Louisville Intl-BRU Brussels Bruxelles-National

15h 35m2 stops Chicago O'Hare Intl London Heathrow

$761American Airlines

Tue, Nov 24 - Sun, Nov 29

3:10 pm - 11:30 pmLHR London Heathrow-SDF Louisville Intl

13h 20m1 stop Newark

5:57 pm - 12:00 pmSDF Louisville Intl-LHR London Heathrow

13h 03m1 stop Chicago O'Hare Intl

$763United Airlines

Sun, Nov 22 - Sun, Nov 29

6:40 am - 12:10 amLHR London Heathrow-SDF Louisville Intl

22h 30m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson

1:01 pm - 4:00 pmSDF Louisville Intl-LHR London Heathrow

21h 59m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen

$764Scandinavian Airlines

Sat, Feb 20 - Thu, Mar 4

9:40 am - 9:28 pmBRU Brussels Bruxelles-National-SDF Louisville Intl

17h 48m2 stops London Heathrow Chicago O'Hare Intl

8:07 pm - 4:55 pmSDF Louisville Intl-BRU Brussels Bruxelles-National

14h 48m2 stops Charlotte Douglas London Heathrow

$764American Airlines

Sat, Feb 20 - Thu, Mar 4

9:40 am - 9:28 pmBRU Brussels Bruxelles-National-SDF Louisville Intl

17h 48m2 stops London Heathrow Chicago O'Hare Intl

6:16 pm - 4:55 pmSDF Louisville Intl-BRU Brussels Bruxelles-National

16h 39m2 stops Chicago O'Hare Intl London Heathrow

$764American Airlines

Sat, Feb 20 - Thu, Mar 4

11:45 am - 10:22 pmBRU Brussels Bruxelles-National-SDF Louisville Intl

16h 37m2 stops London Heathrow Charlotte Douglas

6:27 pm - 4:55 pmSDF Louisville Intl-BRU Brussels Bruxelles-National

16h 28m2 stops Dallas/Fort Worth London Heathrow

$766American Airlines

Thu, Oct 22 - Mon, Oct 26

6:10 am - 9:13 pmBUD Budapest Ferenc Liszt Intl-SDF Louisville Intl

21h 03m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County

10:39 am - 11:50 amSDF Louisville Intl-BUD Budapest Ferenc Liszt Intl

20h 11m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

$770Delta

Fri, Nov 20 - Fri, Nov 27

6:40 am - 10:53 pmLHR London Heathrow-SDF Louisville Intl

21h 13m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson

1:30 pm - 4:00 pmSDF Louisville Intl-LHR London Heathrow

21h 30m2 stops Boston Logan Intl Kastrup Copenhagen

$770Scandinavian Airlines

Mon, Nov 23 - Mon, Nov 30

6:10 am - 5:17 pmFCO Rome Fiumicino-SDF Louisville Intl

17h 07m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

8:05 am - 8:15 amSDF Louisville Intl-FCO Rome Fiumicino

18h 10m1 stop Atlanta Hartsfield-Jackson

$852Delta

Useful Info

Low season	February
High season	December

Best time to beat the crowds with an average 10% drop in price.

Most popular time to fly with an average 3% increase in price.

How does KAYAK find such low prices on flights from Europe to Louisville?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Europe to Louisville.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Europe to Louisville?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Louisville from Europe is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Europe to Louisville?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Louisville with an airline and back to Europe with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Europe to Louisville?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Louisville from Europe up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.