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.

$425 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

Thu, Oct 1 - Wed, Oct 7

1:55 pm - 11:43 pmCPH Kastrup Copenhagen-SDF Louisville Intl

15h 48m1 stop Minneapolis St Paul

12:40 pm - 11:45 amSDF Louisville Intl-CPH Kastrup Copenhagen

17h 05m1 stop Minneapolis St Paul

$622KLM

Thu, Oct 1 - Wed, Oct 7

1:55 pm - 11:43 pmCPH Kastrup Copenhagen-SDF Louisville Intl

15h 48m1 stop Minneapolis St Paul

1:59 pm - 11:05 amSDF Louisville Intl-CPH Kastrup Copenhagen

15h 06m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

$646KLM

Mon, Oct 12 - Mon, Oct 19

1:55 pm - 10:51 pmCPH Kastrup Copenhagen-SDF Louisville Intl

14h 56m1 stop Minneapolis St Paul

5:38 pm - 5:05 pmSDF Louisville Intl-CPH Kastrup Copenhagen

17h 27m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

$653Delta

Mon, Oct 12 - Mon, Oct 19

1:55 pm - 10:51 pmCPH Kastrup Copenhagen-SDF Louisville Intl

14h 56m1 stop Minneapolis St Paul

5:38 pm - 5:05 pmSDF Louisville Intl-CPH Kastrup Copenhagen

17h 27m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

$656Delta

Thu, Oct 1 - Wed, Oct 7

9:00 am - 9:16 pmCPH Kastrup Copenhagen-SDF Louisville Intl

18h 16m2 stops New York John F Kennedy Intl Detroit Metropolitan Wayne County

1:59 pm - 11:25 amSDF Louisville Intl-CPH Kastrup Copenhagen

15h 26m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

$656Delta

Thu, Oct 1 - Wed, Oct 7

8:50 am - 9:31 pmCPH Kastrup Copenhagen-SDF Louisville Intl

18h 41m2 stops Helsinki-Vantaa Dallas/Fort Worth

6:00 am - 11:10 pmSDF Louisville Intl-CPH Kastrup Copenhagen

35h 10m2 stops Dallas/Fort Worth Helsinki-Vantaa

$663Multiple Airlines

Wed, Oct 14 - Wed, Oct 21

8:50 am - 9:25 pmCPH Kastrup Copenhagen-SDF Louisville Intl

18h 35m2 stops Helsinki-Vantaa Dallas/Fort Worth

5:19 pm - 4:15 pmSDF Louisville Intl-CPH Kastrup Copenhagen

16h 56m2 stops Chicago O'Hare Intl Helsinki-Vantaa

$667Multiple Airlines

Wed, Oct 14 - Wed, Oct 21

8:50 am - 11:27 pmCPH Kastrup Copenhagen-SDF Louisville Intl

20h 37m2 stops Helsinki-Vantaa Dallas/Fort Worth

5:19 pm - 6:40 pmSDF Louisville Intl-CPH Kastrup Copenhagen

19h 21m2 stops Chicago O'Hare Intl Helsinki-Vantaa

$669Multiple Airlines

Mon, Oct 12 - Mon, Oct 19

10:30 am - 7:24 pmCPH Kastrup Copenhagen-SDF Louisville Intl

14h 54m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

6:00 am - 2:10 pmSDF Louisville Intl-CPH Kastrup Copenhagen

26h 10m2 stops Washington, D.C. Dulles Intl Zurich

$693United Airlines

Mon, Oct 12 - Mon, Oct 19

6:50 am - 5:40 pmCPH Kastrup Copenhagen-SDF Louisville Intl

16h 50m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

6:00 am - 2:10 pmSDF Louisville Intl-CPH Kastrup Copenhagen

26h 10m2 stops Washington, D.C. Dulles Intl Zurich

$710United Airlines

Recent last minute flight deals from Europe to Louisville

Fri, Sep 25 - Mon, Dec 7

9:50 am - 8:33 pmMAD Madrid Barajas-SDF Louisville Intl

16h 43m1 stop Atlanta Hartsfield-Jackson

3:02 pm - 9:45 amSDF Louisville Intl-MAD Madrid Barajas

12h 43m1 stop Atlanta Hartsfield-Jackson

$1,113Delta

Fri, Sep 25 - Tue, Dec 8

9:50 am - 8:33 pmMAD Madrid Barajas-SDF Louisville Intl

16h 43m1 stop Atlanta Hartsfield-Jackson

1:04 pm - 9:45 amSDF Louisville Intl-MAD Madrid Barajas

14h 41m1 stop Atlanta Hartsfield-Jackson

$1,113Delta

Thu, Sep 24 - Mon, Dec 7

9:50 am - 8:33 pmMAD Madrid Barajas-SDF Louisville Intl

16h 43m1 stop Atlanta Hartsfield-Jackson

3:02 pm - 9:45 amSDF Louisville Intl-MAD Madrid Barajas

12h 43m1 stop Atlanta Hartsfield-Jackson

$1,113Delta

Thu, Sep 24 - Tue, Dec 8

9:50 am - 7:10 pmMAD Madrid Barajas-SDF Louisville Intl

15h 20m1 stop Atlanta Hartsfield-Jackson

1:04 pm - 9:45 amSDF Louisville Intl-MAD Madrid Barajas

14h 41m1 stop Atlanta Hartsfield-Jackson

$1,113Delta

Thu, Sep 24 - Thu, Dec 10

11:15 am - 7:24 pmMAD Madrid Barajas-SDF Louisville Intl

14h 09m1 stop Washington, D.C. Dulles Intl

2:25 pm - 7:45 amSDF Louisville Intl-MAD Madrid Barajas

11h 20m1 stop Washington, D.C. Dulles Intl

$1,126United Airlines

Fri, Sep 25 - Thu, Dec 10

10:50 am - 5:40 pmMAD Madrid Barajas-SDF Louisville Intl

12h 50m1 stop Newark

2:05 pm - 9:30 amSDF Louisville Intl-MAD Madrid Barajas

13h 25m1 stop Newark

$1,126United Airlines

Fri, Sep 25 - Wed, Dec 9

10:50 am - 5:40 pmMAD Madrid Barajas-SDF Louisville Intl

12h 50m1 stop Newark

2:05 pm - 9:30 amSDF Louisville Intl-MAD Madrid Barajas

13h 25m1 stop Newark

$1,126United Airlines

Thu, Sep 24 - Wed, Dec 9

10:50 am - 8:13 pmMAD Madrid Barajas-SDF Louisville Intl

15h 23m1 stop Newark

2:05 pm - 9:30 amSDF Louisville Intl-MAD Madrid Barajas

13h 25m1 stop Newark

$1,126United Airlines

Thu, Sep 24 - Fri, Dec 11

11:15 am - 7:24 pmMAD Madrid Barajas-SDF Louisville Intl

14h 09m1 stop Washington, D.C. Dulles Intl

2:25 pm - 7:45 amSDF Louisville Intl-MAD Madrid Barajas

11h 20m1 stop Washington, D.C. Dulles Intl

$1,176United Airlines

Fri, Sep 25 - Fri, Dec 11

10:50 am - 8:13 pmMAD Madrid Barajas-SDF Louisville Intl

15h 23m1 stop Newark

2:25 pm - 7:45 amSDF Louisville Intl-MAD Madrid Barajas

11h 20m1 stop Washington, D.C. Dulles Intl

$1,176United Airlines

Useful Info

Low season	February
High season	December
Cheapest flight	$425

Best time to beat the crowds with an average 7% drop in price.

Most popular time to fly with an average 7% increase in price.

Flight from Copenhagen to Louisville

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.