SDF - KEF

$398 Find Cheap Flights from Louisville to Reykjavik

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Louisville to Keflavik Intl departing on 3/25. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Reykjavik Keflavik Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Louisville to Reykjavik, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Louisville to Reykjavik, as well as popular online travel agencies
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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$635
KLM
Tue 5/12Wed 5/20
SDF - KEF • 1 stop
Cheapest one-way
$398
Multiple Airlines
Wed 3/25
SDF - KEF • 2 stops
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Keflavik Intl!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Louisville to Keflavik Intl (SDF-KEF)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Louisville to Keflavik Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Louisville to Keflavik Intl

Tue, May 12 - Wed, May 20
KLM Logo
4:26 pm - 7:40 am
SDF
-
KEF
11h 14m
1 stop
KLM Logo
9:30 am - 11:52 pm
KEF
-
SDF
18h 22m
1 stop
$635KLM
Tue, May 12 - Wed, May 20
KLM Logo
1:00 pm - 6:20 am
SDF
-
KEF
13h 20m
2 stops
KLM Logo
8:50 am - 7:50 pm
KEF
-
SDF
15h 00m
2 stops
$640KLM
Tue, May 12 - Wed, May 20
Multiple Airlines Logo
8:36 am - 10:00 am
SDF
-
KEF
21h 24m
3 stops
Multiple Airlines Logo
8:35 am - 12:23 am
KEF
-
SDF
19h 48m
2 stops
$685Multiple Airlines
Mon, Aug 10 - Fri, Aug 21
Multiple Airlines Logo
7:25 pm - 7:40 am
SDF
-
KEF
32h 15m
1 stop
Multiple Airlines Logo
8:50 am - 9:37 pm
KEF
-
SDF
16h 47m
1 stop
$706Multiple Airlines
Mon, Aug 10 - Fri, Aug 21
Multiple Airlines Logo
7:25 pm - 7:40 am
SDF
-
KEF
32h 15m
1 stop
Multiple Airlines Logo
8:50 am - 4:52 pm
KEF
-
SDF
12h 02m
2 stops
$711Multiple Airlines
Mon, Aug 10 - Fri, Aug 21
Finnair Logo
6:11 pm - 7:50 am
SDF
-
KEF
33h 39m
2 stops
Finnair Logo
8:35 am - 11:01 pm
KEF
-
SDF
18h 26m
2 stops
$721Finnair
Mon, Aug 10 - Fri, Aug 21
KLM Logo
7:25 pm - 7:40 am
SDF
-
KEF
32h 15m
1 stop
KLM Logo
8:50 am - 5:41 pm
KEF
-
SDF
12h 51m
1 stop
$763KLM
Mon, Aug 10 - Fri, Aug 21
KLM Logo
7:25 pm - 7:40 am
SDF
-
KEF
32h 15m
1 stop
KLM Logo
8:50 am - 7:01 pm
KEF
-
SDF
14h 11m
2 stops
$768KLM
Tue, Jul 28 - Wed, Aug 5
KLM Logo
2:15 pm - 6:20 am
SDF
-
KEF
12h 05m
1 stop
KLM Logo
9:30 am - 6:43 pm
KEF
-
SDF
13h 13m
1 stop
$809KLM
Tue, Jul 28 - Wed, Aug 5
KLM Logo
12:53 pm - 6:20 am
SDF
-
KEF
13h 27m
2 stops
KLM Logo
9:30 am - 3:44 pm
KEF
-
SDF
10h 14m
1 stop
$814KLM
Booking Insights

KAYAK's insights & trends for Louisville to Keflavik Intl flights

Get data-powered insights and trends into flights from Louisville to Keflavik Intl to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Louisville to Reykjavik?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Louisville to Reykjavik were found on KLM ($635) and Finnair ($721).

Find deals

Good to know

Cheapest flight$398
Flight from Louisville to Reykjavik

When to book flights from Louisville to Keflavik Intl

Are your dates flexible? Find out the best times to travel from Louisville to Keflavik Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Louisville to Reykjavik flights

  • What is the cheapest flight from Louisville to Reykjavik Keflavik Intl Airport?

    In the last 3 days, the lowest price for a flight from Louisville to Reykjavik Keflavik Intl Airport was $398 for a one-way ticket and $635 for a round-trip.

  • Do I need a passport to fly between Louisville and Reykjavik?

    A passport is required to fly from Louisville to Reykjavik.

  • Which aircraft models fly most regularly from Louisville to Reykjavik?

    We unfortunately don’t have that data for this specific route.

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

    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 Louisville to Reykjavik.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Reykjavik from Louisville 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 Louisville to Reykjavik?

    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 Reykjavik with an airline and back to Louisville with another airline. Booking your flights between Louisville and KEF can sometimes prove cheaper using this method.

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

    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 Reykjavik from Louisville up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Louisville to Keflavik Intl

Information on your arrival and departure airports

Louisville (SDF)
Keflavik Intl (KEF)