SDF - KEF

$529 Find Cheap Flights from Louisville to Reykjavik

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Louisville to Keflavik Intl departing on 1/24. 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
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$529
Lufthansa
Sat 1/24Sat 1/31
SDF - KEF • 2 stops
Cheapest one-way
Multiple Airlines
Sun 12/28
SDF - KEF • multi-stop
Start a new search
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

Sat, Jan 24 - Sat, Jan 31
Lufthansa Logo
2:05 pm - 2:20 pm
SDF
-
KEF
19h 15m2 stops
Lufthansa Logo
3:10 pm - 10:30 pm
KEF
-
SDF
36h 20m2 stops
$529Lufthansa
Mon, Apr 13 - Mon, Apr 20
Multiple Airlines Logo
1:00 pm - 9:30 am
SDF
-
KEF
16h 30m2 stops
Multiple Airlines Logo
11:25 am - 10:54 pm
KEF
-
SDF
15h 29m2 stops
$543Multiple Airlines
Tue, May 12 - Wed, May 20
KLM Logo
4:00 pm - 7:00 am
SDF
-
KEF
11h 00m1 stop
KLM Logo
9:30 am - 3:44 pm
KEF
-
SDF
10h 14m1 stop
$634KLM
Tue, May 12 - Wed, May 20
KLM Logo
12:40 pm - 7:00 am
SDF
-
KEF
14h 20m2 stops
KLM Logo
11:25 am - 9:52 pm
KEF
-
SDF
14h 27m2 stops
$638KLM
Wed, Feb 4 - Mon, Feb 9
Multiple Airlines Logo
12:22 pm - 3:30 pm
SDF
-
KEF
22h 08m2 stops
Multiple Airlines Logo
4:20 pm - 7:39 pm
KEF
-
SDF
32h 19m2 stops
$815Multiple Airlines
Tue, Feb 10 - Tue, Feb 17
Lufthansa Logo
6:12 pm - 2:15 pm
SDF
-
KEF
39h 03m2 stops
Lufthansa Logo
3:20 pm - 7:42 pm
KEF
-
SDF
33h 22m2 stops
$862Lufthansa
Tue, Mar 17 - Sun, Mar 22
Scandinavian Airlines Logo
1:56 pm - 10:45 am
SDF
-
KEF
16h 49m2 stops
Scandinavian Airlines Logo
7:35 am - 11:57 pm
KEF
-
SDF
20h 22m2 stops
$864Scandinavian Airlines
Tue, May 12 - Wed, May 20
Multiple Airlines Logo
8:58 am - 10:00 am
SDF
-
KEF
21h 02m3 stops
Multiple Airlines Logo
8:35 am - 9:04 am
KEF
-
SDF
28h 29m2 stops
$894Multiple Airlines
Tue, Mar 17 - Sun, Mar 22
Scandinavian Airlines Logo
1:56 pm - 3:15 pm
SDF
-
KEF
21h 19m3 stops
Scandinavian Airlines Logo
7:35 am - 11:57 pm
KEF
-
SDF
20h 22m2 stops
$901Scandinavian Airlines
Sun, Jun 7 - Thu, Jun 18
United Airlines Logo
1:55 pm - 8:30 am
SDF
-
KEF
14h 35m1 stop
United Airlines Logo
10:00 am - 2:47 pm
KEF
-
SDF
32h 47m2 stops
$961United Airlines
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.

What is the most popular layover airport when flying from Louisville to Reykjavik?

Percentage of 1-stop round-trip flights from Louisville to Reykjavik chosen by KAYAK users via each layover airport in the last 12 months (only includes trips with the same layover airport on both legs).

Chicago (ORD) is the top choice – 47% of KAYAK users who clicked on 1-stop flights from Louisville to Reykjavik picked an itinerary connecting there.

What is the cheapest layover airport when flying from Louisville to Reykjavik?

Average round-trip price for 1-stop flights from Louisville to Reykjavik clicked by KAYAK users in the last 12 months (only includes trips with the same layover airport on both legs).

Flights via Chicago (ORD) offer the most affordable fares, with an average round-trip price of $891.

Which layover airport offers the shortest total travel time from Louisville to Reykjavik?

Shortest average total travel time for 1-stop one-way flights from Louisville to Reykjavik via different layover airports, based on KAYAK user data from the last 12 months.

Consider flying via Detroit (DTW) for the shortest journey. The average one-way travel time for flights connecting there is 10h 26m.

Which layover airport has the quickest connection when flying from Louisville to Reykjavik?

Average layover duration at different layover airports for 1-stop one-way flights from Louisville to Reykjavik, based on KAYAK user data from the last 12 months.

If you prefer a quick connection, Minneapolis (MSP) often has the shortest layovers from Louisville to Reykjavik, with an average of 2h 23m.

Find deals

Good to know

Cheapest flight$529
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 $543 for a round-trip ticket.

  • 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)