SDF - KEF

$466 Find Cheap Flights from Louisville to Reykjavik - Compare and Save

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 7/25. 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

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$779
Air Canada
Tue 9/29Tue 10/6
SDF - KEF • 2 stops
Cheapest one-way
$466
Multiple Airlines
Sat 7/25
SDF - KEF • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Louisville and Keflavik Intl. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $1,021 (round-trip)
Shortest trip • 7h 47m (one-way)
Insights
Insights
Insights
Insights
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

Tue, Sep 29 - Tue, Oct 6
Air Canada Logo
6:15 am - 7:55 am
SDF
-
KEF
21h 40m
2 stops
Air Canada Logo
10:00 am - 8:31 pm
KEF
-
SDF
38h 31m
2 stops
$779Air Canada
Sun, Oct 25 - Mon, Nov 2
United Airlines Logo
6:12 pm - 10:00 am
SDF
-
KEF
11h 48m
1 stop
United Airlines Logo
12:00 pm - 5:01 pm
KEF
-
SDF
10h 01m
1 stop
$781United Airlines
Wed, Oct 14 - Wed, Oct 21
KLM Logo
10:43 am - 9:30 am
SDF
-
KEF
18h 47m
2 stops
KLM Logo
11:25 am - 12:02 am
KEF
-
SDF
16h 37m
2 stops
$783KLM
Sun, Oct 25 - Mon, Nov 2
United Airlines Logo
6:12 pm - 10:00 am
SDF
-
KEF
11h 48m
1 stop
United Airlines Logo
12:00 pm - 1:08 pm
KEF
-
SDF
30h 08m
2 stops
$786United Airlines
Sun, Oct 18 - Thu, Oct 29
United Airlines Logo
10:25 am - 8:50 am
SDF
-
KEF
18h 25m
1 stop
United Airlines Logo
12:00 pm - 10:30 pm
KEF
-
SDF
14h 30m
1 stop
$791United Airlines
Tue, Oct 20 - Thu, Oct 29
United Airlines Logo
10:00 am - 7:55 am
SDF
-
KEF
17h 55m
2 stops
United Airlines Logo
12:00 pm - 10:30 pm
KEF
-
SDF
14h 30m
1 stop
$794United Airlines
Tue, Sep 29 - Tue, Oct 6
KLM Logo
4:29 pm - 7:00 am
SDF
-
KEF
10h 31m
1 stop
KLM Logo
11:25 am - 12:02 am
KEF
-
SDF
16h 37m
2 stops
$795KLM
Wed, Oct 21 - Thu, Oct 29
United Airlines Logo
10:00 am - 8:50 am
SDF
-
KEF
18h 50m
2 stops
United Airlines Logo
12:00 pm - 8:41 pm
KEF
-
SDF
12h 41m
1 stop
$796United Airlines
Sun, Nov 22 - Mon, Nov 30
United Airlines Logo
6:20 am - 10:00 am
SDF
-
KEF
22h 40m
2 stops
United Airlines Logo
12:00 pm - 7:34 pm
KEF
-
SDF
36h 34m
2 stops
$797United Airlines
Mon, Oct 19 - Thu, Oct 29
United Airlines Logo
5:15 am - 8:45 am
SDF
-
KEF
23h 30m
2 stops
United Airlines Logo
12:00 pm - 10:30 pm
KEF
-
SDF
14h 30m
1 stop
$799United 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.

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 5 days.

In the past 5 days, the cheapest round-trip tickets from Louisville to Reykjavik were found on Air Canada ($779) and United Airlines ($781).

Good to know

Cheapest flight$466
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 5 days, the lowest price for a flight from Louisville to Reykjavik Keflavik Intl Airport was $466 for a one-way ticket and $779 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