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Cheap Flights from Europe to Louisville

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

Recent round-trip flight deals from Europe to Louisville

Wed, Oct 14 - Wed, Oct 21
Finnair Logo
7:25 pm - 9:25 pmCPH  Kastrup Copenhagen-SDF Louisville Intl
32h 00m2 stops Helsinki-Vantaa Dallas/Fort Worth
Finnair Logo
5:19 pm - 6:40 pmSDF  Louisville Intl-CPH Kastrup Copenhagen
19h 21m2 stops Chicago O'Hare Intl Helsinki-Vantaa
$610Finnair
Wed, Oct 14 - Wed, Oct 21
Finnair Logo
7:25 pm - 9:25 pmCPH  Kastrup Copenhagen-SDF Louisville Intl
32h 00m2 stops Helsinki-Vantaa Dallas/Fort Worth
Finnair Logo
5:19 pm - 6:40 pmSDF  Louisville Intl-CPH Kastrup Copenhagen
19h 21m2 stops Chicago O'Hare Intl Helsinki-Vantaa
$619Finnair
Wed, Oct 14 - Wed, Oct 21
Finnair Logo
7:25 pm - 9:25 pmCPH  Kastrup Copenhagen-SDF Louisville Intl
32h 00m2 stops Helsinki-Vantaa Dallas/Fort Worth
Finnair Logo
5:19 pm - 6:40 pmSDF  Louisville Intl-CPH Kastrup Copenhagen
19h 21m2 stops Chicago O'Hare Intl Helsinki-Vantaa
$630Finnair
Wed, Oct 14 - Wed, Oct 21
Multiple Airlines Logo
8:50 am - 9:25 pmCPH  Kastrup Copenhagen-SDF Louisville Intl
18h 35m2 stops Helsinki-Vantaa Dallas/Fort Worth
Multiple Airlines Logo
5:19 pm - 6:40 pmSDF  Louisville Intl-CPH Kastrup Copenhagen
19h 21m2 stops Chicago O'Hare Intl Helsinki-Vantaa
$646Multiple Airlines
Thu, Sep 24 - Wed, Sep 30
KLM Logo
1:55 pm - 11:43 pmCPH  Kastrup Copenhagen-SDF Louisville Intl
15h 48m1 stop Minneapolis St Paul
KLM Logo
4:29 pm - 11:45 amSDF  Louisville Intl-CPH Kastrup Copenhagen
13h 16m1 stop Minneapolis St Paul
$658KLM
Thu, Sep 24 - Wed, Sep 30
Lufthansa Logo
6:10 am - 8:13 pmCPH  Kastrup Copenhagen-SDF Louisville Intl
20h 03m2 stops Frankfurt am Main Newark
Lufthansa Logo
1:50 pm - 9:25 amSDF  Louisville Intl-CPH Kastrup Copenhagen
13h 35m2 stops Chicago O'Hare Intl Frankfurt am Main
$662Lufthansa
Wed, Oct 14 - Wed, Oct 21
United Airlines Logo
9:25 am - 7:11 pmZRH  Zurich-SDF Louisville Intl
15h 46m2 stops Frankfurt am Main Chicago O'Hare Intl
United Airlines Logo
10:25 am - 10:50 amSDF  Louisville Intl-ZRH Zurich
18h 25m1 stop Chicago O'Hare Intl
$785United Airlines
Wed, Oct 14 - Wed, Oct 21
United Airlines Logo
11:20 am - 11:59 pmZRH  Zurich-SDF Louisville Intl
18h 39m2 stops Frankfurt am Main Chicago O'Hare Intl
United Airlines Logo
1:50 pm - 7:45 amSDF  Louisville Intl-ZRH Zurich
11h 55m1 stop Chicago O'Hare Intl
$785United Airlines
Fri, Oct 9 - Sat, Oct 24
United Airlines Logo
2:35 pm - 2:39 pmZRH  Zurich-SDF Louisville Intl
30h 04m2 stops Frankfurt am Main Washington, D.C. Dulles Intl
United Airlines Logo
10:00 am - 8:40 amSDF  Louisville Intl-ZRH Zurich
16h 40m1 stop Washington, D.C. Dulles Intl
$785United Airlines
Wed, Oct 14 - Wed, Oct 21
United Airlines Logo
2:35 pm - 11:59 pmZRH  Zurich-SDF Louisville Intl
15h 24m2 stops Frankfurt am Main Chicago O'Hare Intl
United Airlines Logo
10:25 am - 8:15 amSDF  Louisville Intl-ZRH Zurich
15h 50m2 stops Chicago O'Hare Intl Newark
$785United Airlines
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Good to know

Low season

August
Best time to beat the crowds but there is an average 14% increase in price.
Most popular time to fly and prices are also 11% lower on average.

FAQs for booking flights from Europe 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.

Reviews of the top 3 airlines serving from Europe to Louisville

 
Need help choosing which airline to fly with from Europe to Louisville? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.8
KLMOverall score based on 1576 reviews
7.2Entertainment
7.7Comfort
7.8Boarding
8.4Crew
7.3Food
Airline reviews

The flight itself was fine, food was expired and gross, staff were mostly amazing! KLM messed up rebooking for our first two flights that got cancelled and we almost didn’t make it to Amsterdam for an additional two days

4.0 OkayJessica, Sep 2026
Read more KLM reviews

The flight itself was fine, food was expired and gross, staff were mostly amazing! KLM messed up rebooking for our first two flights that got cancelled and we almost didn’t make it to Amsterdam for an additional two days

I think I previously submitted my feedback about flight lead Katherine in a different field by mistake. Please see those comments. Comments for Hyd to AMS are it was good. The flight lead and service met expectations for satisfactory high quality service but the flight lead did not stand out as exceptional as did the leads on the other two flights so I don’t remember anything specific one way or the other besides the fact I was satisfied.

Flight lead was a gentleman with silver hair and he went out of his way to shake hands and interact with each passenger seated in business class. A medical emergency took place during our flight and he handled it with perfect poise and professionalism. He was gracious and confidently competent. Just what you want from a leader,

Crew is not the cheerful type. very slow meal service (this is their style as have flown this many times)

Legroom not all it could be, especially when the seat in front is reclined. Otherwise it was good, food and beverage were nice.

This fight left ahead of time which meant it arrived early which was great. Staff were very professional, but as with all these Short hop Flights the food was a disappointing snack There was no entertainment on this flight, but I did not expect any

I flew premium economy and this was a good option. Although the seats didn’t recline much, I was able to get some sleep with my head propped against the window. The food was good and the entertainment was wonderful The staff were very attentive and professional

Seats were nice and comfy. Crew was polite and attentive. Business class is awesome and worth the money.

It was operated by Delta. Boarding took a long time. How difficult can it be? Overall decent trip. Liked the Salt Lake City airport. Better option than Chicago for transfers.

We left one hour late because of technical difficulties. The economy comfort seats are great for the price. The crew was mediocre, they do not provide a pleasant experience, they just deliver food and drinks and give orders, not very amicable, no service and hospitality focus.

Audio Visual Equipment lacking content and features. No connection ability for noise cancellation pods

Audio Visual Equipment lacking content and features. Could not connect to noise cancellation earpods

DL482 did not wait for about 10 of us including a mother and 3 children when we were in the same terminal on DL486, where we were switching from waiting for a jet bridge fix, to moving to a neighboring gate. I understand taxiing delays are ok either but man. We only needed 5 more minutes. DL482 did not adjust from their times at all. This was my first time with Delta.

DL486 could not get to the gate due to jet bridge malfunction. We moved gates. The connecting flight of LAX to MCO was not communicated with. Even though we were in the same terminal, DL482 left without about 10 of us, including a mother and her 3 children. I got to the gate at 7:34 am which is past the 7:20 am last call for a 7:35 am departure. Had they waited 5 minutes, all of us would have made it on board.

All good except the dining. Both meals were the worst I’ve ever encountered on any previous flight.

Both legs on the way were smaller planes, each had a mechanical issue causing a delay

Delta exceeded my expectations! I am beyond satisfied. Thank you!

Flight was on time! That's the most important thing for me.

Delayed flight. Dirty seats, dirty seat belts with food stuck on it from previous passengers maybe. No one cleaned the seats or flight.

Lady Pilot was perfect in every way wheels up to wheels down communication, professionalism, excellent on time departure and on time arrival, excellent communication! Fantastic job with Superb attitude!!

Did not like the check in guy quibbling over a couple pounds at the luggage weigh in

Just having a little bit more legroom would've been nice.

This is related to my second leg of the flight, from Washington DC to SFO. I understand things happen, but I got home at 3 am for a 12:59 am landing. I live 10 min from the airport. Bridge breaks when a few rows of the plane are off? Maintenance didn’t catch that?

Boarding, time to take off, in flight offerings, and staff were all great. I recommend using UA for this short flight.

Good experience. Staff was friendly and helpful. Flight was slightly delayed due to airport construction, but they still arrived on time.

This is the worst airline I’ve ever been on in my life and I’ve been probably on 75% of them. I said 15 years ago I would never go on United again. I was an idiot. I booked a flight with them from Las Vegas to San Francisco and of course they screwed that up and cost me a day flying all over the world trying to get to Thailand. My luggage was gone for 35 hours all because they couldn’t make their route on time

This was an auto-rebook due to being delayed from an earlier UA connecting flight. The boarding was fine, but they sat me in a middle seat when my original booking was a window seat. Overall, the flight was fine as it still got me to my final destination.

The flight out of Fresno boarded 1.5 hour past scheduled and made me miss my connecting flight from SFO to SEA.

It was hot and not as comfortable as the flight to Chicago. Must have been a different plane that needs to be worked on or replaced.

Short flight, but no drink/snack service. The flights both going and coming were delayed.

Traveling to a place near Louisville?

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