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.

$579 CHEAP FLIGHTS from Europe to Louisville

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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

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

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

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

$746American Airlines

Sat, Feb 20 - Thu, Mar 4

9:40 am - 7:37 pmBRU Brussels Bruxelles-National-SDF Louisville Intl

15h 57m2 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

$747American Airlines

Wed, Nov 25 - Tue, Dec 1

12:00 pm - 8:34 pmLHR London Heathrow-SDF Louisville Intl

13h 34m1 stop Newark

10:25 am - 5:55 amSDF Louisville Intl-LHR London Heathrow

14h 30m1 stop Chicago O'Hare Intl

$753United Airlines

Tue, Nov 24 - Tue, Dec 1

12:50 pm - 8:34 pmLHR London Heathrow-SDF Louisville Intl

12h 44m1 stop Newark

2:25 pm - 6:40 amSDF Louisville Intl-LHR London Heathrow

11h 15m1 stop Washington, D.C. Dulles Intl

$753United Airlines

Mon, Nov 23 - Tue, Dec 1

12:00 pm - 11:30 pmLHR London Heathrow-SDF Louisville Intl

16h 30m1 stop Newark

10:25 am - 5:55 amSDF Louisville Intl-LHR London Heathrow

14h 30m1 stop Chicago O'Hare Intl

$753United 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

$769American Airlines

Mon, Nov 23 - Mon, Dec 7

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

22h 30m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson

3:02 pm - 4:00 pmSDF Louisville Intl-LHR London Heathrow

19h 58m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen

$776Scandinavian Airlines

Fri, Nov 6 - Thu, Nov 12

9:50 am - 10:03 pmBRU Brussels Bruxelles-National-SDF Louisville Intl

18h 13m2 stops London Heathrow Philadelphia

5:26 pm - 4:55 pmSDF Louisville Intl-BRU Brussels Bruxelles-National

17h 29m2 stops Dallas/Fort Worth London Heathrow

$776Multiple 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

$779American Airlines

Mon, Nov 23 - Sun, Nov 29

12:00 pm - 8:34 pmLHR London Heathrow-SDF Louisville Intl

13h 34m1 stop Newark

10:37 am - 5:55 amSDF Louisville Intl-LHR London Heathrow

14h 18m1 stop Chicago O'Hare Intl

$783United Airlines

Recent last minute flight deals from Europe to Louisville

Wed, Oct 28 - Sat, Oct 31

2:40 pm - 12:08 pmCDG Paris Charles de Gaulle-SDF Louisville Intl

26h 28m1 stop Philadelphia

4:18 pm - 9:05 amSDF Louisville Intl-CDG Paris Charles de Gaulle

35h 47m1 stop Dallas/Fort Worth

$1,109Multiple Airlines

Fri, Oct 30 - Tue, Nov 3

6:40 am - 11:59 pmLHR London Heathrow-SDF Louisville Intl