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.

$509 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

Fri, Mar 5 - Sun, Mar 14

6:40 am - 12:02 amLHR London Heathrow-SDF Louisville Intl

22h 22m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson

3:24 pm - 4:00 pmSDF Louisville Intl-LHR London Heathrow

20h 36m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen

$762Scandinavian Airlines

Sat, Feb 13 - Sat, Feb 20

7:00 am - 9:27 pmBRU Brussels Bruxelles-National-SDF Louisville Intl

20h 27m2 stops Madrid Barajas Chicago O'Hare Intl

1:14 pm - 10:30 amSDF Louisville Intl-BRU Brussels Bruxelles-National

15h 16m2 stops Chicago O'Hare Intl London Heathrow

$769Multiple Airlines

Sat, Feb 13 - Sat, Feb 20

7:00 am - 9:27 pmBRU Brussels Bruxelles-National-SDF Louisville Intl

20h 27m2 stops Madrid Barajas Chicago O'Hare Intl

1:14 pm - 10:30 amSDF Louisville Intl-BRU Brussels Bruxelles-National

15h 16m2 stops Chicago O'Hare Intl London Heathrow

$770Multiple Airlines

Wed, Mar 10 - Wed, Mar 24

6:40 am - 12:02 amLHR London Heathrow-SDF Louisville Intl

22h 22m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson

3:24 pm - 4:00 pmSDF Louisville Intl-LHR London Heathrow

20h 36m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen

$775Scandinavian Airlines

Sat, Feb 13 - Sat, Feb 20

7:00 am - 9:27 pmBRU Brussels Bruxelles-National-SDF Louisville Intl

20h 27m2 stops Madrid Barajas Chicago O'Hare Intl

1:14 pm - 10:35 pmSDF Louisville Intl-BRU Brussels Bruxelles-National

27h 21m2 stops Chicago O'Hare Intl Madrid Barajas

$778Iberia

Sat, Feb 20 - Thu, Mar 4

9:40 am - 9:27 pmBRU Brussels Bruxelles-National-SDF Louisville Intl

17h 47m2 stops London Heathrow Chicago O'Hare Intl

6:14 pm - 4:55 pmSDF Louisville Intl-BRU Brussels Bruxelles-National

16h 41m2 stops Chicago O'Hare Intl London Heathrow

$780American Airlines

Sat, Feb 13 - Sat, Feb 20

7:00 am - 9:27 pmBRU Brussels Bruxelles-National-SDF Louisville Intl

20h 27m2 stops Madrid Barajas Chicago O'Hare Intl

1:14 pm - 10:35 pmSDF Louisville Intl-BRU Brussels Bruxelles-National

27h 21m2 stops Chicago O'Hare Intl Madrid Barajas

$781Iberia

Fri, Nov 20 - Mon, Nov 23

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

21h 13m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson

3:00 pm - 9:40 pmSDF Louisville Intl-LHR London Heathrow

25h 40m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen

$783Scandinavian Airlines

Wed, Mar 10 - Sun, Mar 14

6:40 am - 12:02 amLHR London Heathrow-SDF Louisville Intl

22h 22m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson

3:24 pm - 5:40 pmSDF Louisville Intl-LHR London Heathrow

22h 16m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen

$787Scandinavian Airlines

Sat, Feb 20 - Thu, Mar 4

9:40 am - 11:42 pmBRU Brussels Bruxelles-National-SDF Louisville Intl

20h 02m2 stops London Heathrow Dallas/Fort Worth

8:08 pm - 8:10 pmSDF Louisville Intl-BRU Brussels Bruxelles-National

18h 02m2 stops Charlotte Douglas London Heathrow

$788British Airways

Recent last minute flight deals from Europe to Louisville

Tue, Nov 10 - Mon, Nov 16

1:30 pm - 9:38 amCDG Paris Charles de Gaulle-SDF Louisville Intl

26h 08m1 stop Chicago O'Hare Intl

7:30 am - 9:10 amSDF Louisville Intl-CDG Paris Charles de Gaulle

19h 40m1 stop Philadelphia

$1,069Multiple Airlines

Tue, Nov 10 - Mon, Nov 16

2:40 pm - 10:37 amCDG Paris Charles de Gaulle-SDF Louisville Intl

25h 57m1 stop Philadelphia

11:17 am - 6:35 amSDF Louisville Intl-CDG Paris Charles de Gaulle

13h 18m2 stops Washington, D.C. Reagan-National New York John F Kennedy Intl

$1,072American Airlines

Tue, Nov 10 - Mon, Nov 16

10:10 am - 8:52 pmCDG Paris Charles de Gaulle-SDF Louisville Intl

16h 42m2 stops Frankfurt am Main Chicago O'Hare Intl

10:27 am - 6:55 amSDF Louisville Intl-CDG Paris Charles de Gaulle

14h 28m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

$1,103United Airlines

Tue, Nov 10 - Mon, Nov 16

9:30 am - 8:52 pmCDG Paris Charles de Gaulle-SDF Louisville Intl

17h 22m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

10:27 am - 10:25 amSDF Louisville Intl-CDG Paris Charles de Gaulle

17h 58m3 stops Chicago O'Hare Intl Toronto Island Montreal Pierre Elliott Trudeau Intl

$1,140Multiple Airlines

Tue, Nov 10 - Mon, Nov 16

9:30 am - 10:30 pmCDG Paris Charles de Gaulle-SDF Louisville Intl

19h 00m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Chicago O'Hare Intl

10:27 am - 10:25 amSDF Louisville Intl-CDG Paris Charles de Gaulle

17h 58m3 stops Chicago O'Hare Intl Toronto Island Montreal Pierre Elliott Trudeau Intl

$1,148Air Canada

Thu, Nov 5 - Thu, Jan 14

7:00 am - 7:30 pmAYT Antalya-SDF Louisville Intl

20h 30m2 stops Munich Franz Josef Strauss Washington, D.C. Dulles Intl

2:25 pm - 7:00 pmSDF Louisville Intl-AYT Antalya

20h 35m2 stops Washington, D.C. Dulles Intl Zurich

$1,176Multiple Airlines

Thu, Nov 5 - Thu, Dec 31

7:00 am - 6:32 pmAYT Antalya-SDF Louisville Intl

19h 32m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

2:40 pm - 7:00 pmSDF Louisville Intl-AYT Antalya

20h 20m2 stops Washington, D.C. Dulles Intl Zurich

$1,177Multiple Airlines

Thu, Nov 5 - Wed, Dec 30

7:00 am - 6:32 pmAYT Antalya-SDF Louisville Intl

19h 32m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

2:40 pm - 7:15 pmSDF Louisville Intl-AYT Antalya

20h 35m2 stops Washington, D.C. Dulles Intl Frankfurt am Main

$1,181Multiple Airlines

Thu, Nov 5 - Wed, Dec 30

7:00 am - 7:30 pmAYT Antalya-SDF Louisville Intl

20h 30m2 stops Munich Franz Josef Strauss Washington, D.C. Dulles Intl

2:40 pm - 7:15 pmSDF Louisville Intl-AYT Antalya

20h 35m2 stops Washington, D.C. Dulles Intl Frankfurt am Main

$1,182Multiple Airlines

Thu, Nov 5 - Tue, Dec 29

7:00 am - 6:32 pmAYT Antalya-SDF Louisville Intl

19h 32m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

6:00 pm - 7:15 pmSDF Louisville Intl-AYT Antalya

41h 15m2 stops Chicago O'Hare Intl Frankfurt am Main

$1,188Multiple Airlines

Useful Info

Low season	February
High season	October

Best time to beat the crowds with an average 11% drop in price.

Most popular time to fly with an average 1% 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.