SDF - KEF

$359 Find Cheap Flights from Louisville to Reykjavik - Compare and Save

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Everything you should know

Cheapest round-trip
$805
Typical prices: $787-$1,194
Scandinavian Airlines
Sat 3/17Wed 3/21
SDF - KEF • 2 stops
Cheapest one-way
$359
Typical prices: $667-$1,135
Lufthansa
Fri 2/23
SDF - KEF • 2 stops
When to travel
October
Cheapest • 19% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Detroit Metropolitan Wayne County (DTW)
Cheapest • Avg $733 (round-trip)
Chicago O'Hare Intl (ORD)
Shortest trip • 10h 23m (one-way)
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We hope you love your trip to Reykjavik Keflavik Intl Airport!
Flight Deals
Booking Insights
Flight Deals

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

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

Recent round-trip flight deals from Louisville to Keflavik Intl

Wed, Mar 17 - Sun, Mar 21
Scandinavian Airlines Logo
3:24 pm - 5:20 pmSDF  Louisville Intl-KEF Reykjavik Keflavik Intl
21h 56m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
Scandinavian Airlines Logo
12:20 am - 12:02 amKEF  Reykjavik Keflavik Intl-SDF Louisville Intl
27h 42m3 stops Oslo Gardermoen Kastrup Copenhagen Atlanta Hartsfield-Jackson
$805Scandinavian Airlines
Wed, Jan 27 - Sun, Jan 31
Scandinavian Airlines Logo
3:59 pm - 5:20 pmSDF  Louisville Intl-KEF Reykjavik Keflavik Intl
20h 21m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
Scandinavian Airlines Logo
11:35 am - 11:59 pmKEF  Reykjavik Keflavik Intl-SDF Louisville Intl
41h 24m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
$815Scandinavian Airlines
Wed, Dec 2 - Mon, Dec 7
United Airlines Logo
10:25 am - 10:00 amSDF  Louisville Intl-KEF Reykjavik Keflavik Intl
18h 35m1 stop Chicago O'Hare Intl
United Airlines Logo
12:00 pm - 9:00 pmKEF  Reykjavik Keflavik Intl-SDF Louisville Intl
14h 00m1 stop Chicago O'Hare Intl
$821United Airlines
Wed, Dec 2 - Mon, Dec 7
United Airlines Logo
8:45 am - 10:00 amSDF  Louisville Intl-KEF Reykjavik Keflavik Intl
20h 15m2 stops Newark Chicago O'Hare Intl
United Airlines Logo
12:00 pm - 11:59 pmKEF  Reykjavik Keflavik Intl-SDF Louisville Intl
16h 59m2 stops Chicago O'Hare Intl Newark
$826United Airlines
Wed, Mar 17 - Mon, Mar 22
Multiple Airlines Logo
3:24 pm - 5:20 pmSDF  Louisville Intl-KEF Reykjavik Keflavik Intl
21h 56m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
Multiple Airlines Logo
7:30 am - 12:02 amKEF  Reykjavik Keflavik Intl-SDF Louisville Intl
20h 32m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
$831Multiple Airlines
Wed, Dec 2 - Sun, Dec 6
Scandinavian Airlines Logo
3:12 pm - 10:50 amSDF  Louisville Intl-KEF Reykjavik Keflavik Intl
38h 38m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
Scandinavian Airlines Logo
11:35 am - 11:03 pmKEF  Reykjavik Keflavik Intl-SDF Louisville Intl
40h 28m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
$845Scandinavian Airlines
Fri, Dec 4 - Mon, Dec 7
United Airlines Logo
5:40 pm - 10:00 amSDF  Louisville Intl-KEF Reykjavik Keflavik Intl
11h 20m1 stop Chicago O'Hare Intl
United Airlines Logo
12:00 pm - 6:17 pmKEF  Reykjavik Keflavik Intl-SDF Louisville Intl
11h 17m1 stop Chicago O'Hare Intl
$871United Airlines
Sun, Mar 7 - Fri, Mar 12
Multiple Airlines Logo
10:40 am - 6:05 amSDF  Louisville Intl-KEF Reykjavik Keflavik Intl
14h 25m1 stop Denver Intl
Multiple Airlines Logo
5:00 pm - 12:30 amKEF  Reykjavik Keflavik Intl-SDF Louisville Intl
12h 30m1 stop Baltimore/Washington
$884Multiple Airlines
Thu, Dec 3 - Mon, Dec 7
United Airlines Logo
2:25 pm - 10:00 amSDF  Louisville Intl-KEF Reykjavik Keflavik Intl
38h 35m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
United Airlines Logo
12:00 pm - 6:17 pmKEF  Reykjavik Keflavik Intl-SDF Louisville Intl
11h 17m1 stop Chicago O'Hare Intl
$888United Airlines
Thu, Dec 3 - Sun, Dec 6
Scandinavian Airlines Logo
1:30 pm - 10:50 amSDF  Louisville Intl-KEF Reykjavik Keflavik Intl
16h 20m2 stops Boston Logan Intl Kastrup Copenhagen
Scandinavian Airlines Logo
11:35 am - 12:09 amKEF  Reykjavik Keflavik Intl-SDF Louisville Intl
41h 34m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
$901Scandinavian Airlines
Booking Insights

Price, demand and travel trends for Louisville to Reykjavik Keflavik Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Louisville to Reykjavik Keflavik Intl Airport?

Round-trip flights from Louisville to Reykjavik Keflavik Intl Airport typically range from $787 to $1,194. The lowest price found in the past 5 days was $805, on Scandinavian Airlines.

What's the cheapest day of the week to fly from Louisville to Reykjavik Keflavik Intl Airport?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Louisville to Reykjavik Keflavik Intl Airport. It’s 19% cheaper than the average day, while Sunday is the most expensive, with prices 33% higher.

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Key details for Louisville to Reykjavik Keflavik Intl Airport flights

Cheapest flight

$359
The most popular month to fly with an average 98% increase in travelers.
One-way flight from Louisville to Reykjavik Keflavik Intl Airport

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

Your Louisville to Reykjavik Keflavik Intl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Louisville to Reykjavik Keflavik Intl Airport?

    Two cabin classes are available on flights from Louisville to Reykjavik Keflavik Intl Airport:

    • Economy Class
    • Business Class

  • How long is a flight from Louisville to Reykjavik Keflavik Intl Airport?

    There are currently no nonstop flights available from Louisville to Reykjavik Keflavik Intl Airport. Flights with 1 layover take between 9h 33m and 18h 35m in total, depending on the connection.

  • Do I need a passport to fly from Louisville to Reykjavik Keflavik Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Louisville to Reykjavik Keflavik Intl Airport flight?

    Round-trip flights from Louisville to Reykjavik Keflavik Intl Airport range from $787 to $1,194, with an average of $971 over the past 12 months. Anything below $787 counts as a good deal.

  • Have flight prices from Louisville to Reykjavik Keflavik Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $805 to $6,648. That means the highest observed fare was about 8x higher than the lowest one.

  • How are flight prices from Louisville to Reykjavik Keflavik Intl Airport looking right now?

    One-way fares from Louisville to Reykjavik Keflavik Intl Airport are currently lower than usual. Average one-way flight prices are about $522, which is 29% below the typical average for this route.

  • What car rental options are available at Reykjavik Keflavik Intl Airport (KEF)?

    Reykjavik Keflavik Intl Airport (KEF) hosts 5 major car rental companies, with daily rates averaging $63 for economy cars. Top options include:

    • Ice Rental 4x4
    • Fair Car
    • Budget
    • Alamo
    • Europcar

  • Which airports can I use when flying from Louisville to Reykjavik Keflavik Intl Airport?

    Flights from Louisville to Reykjavik Keflavik Intl Airport usually depart from Louisville Intl (SDF) and arrive at Reykjavik Keflavik Intl (KEF).

  • Which airports do connecting flights from Louisville to Reykjavik Keflavik Intl Airport pass through?

    One-stop flights from Louisville to Reykjavik Keflavik Intl Airport most commonly connect through:

    • Chicago O'Hare Intl (ORD) - 40% of one-stop connections
    • Minneapolis St Paul (MSP) - 24% of one-stop connections
    • Baltimore/Washington (BWI) - 20% of one-stop connections
    • Detroit Metropolitan Wayne County (DTW) - 8% of one-stop connections

  • Can I save money by using flexible dates for flights from Louisville to Reykjavik Keflavik Intl Airport?

    Yes. Flexible dates can save you up to 39% on flights from Louisville to Reykjavik Keflavik Intl Airport. Tuesday is the cheapest departure day at $791 round-trip on average, while Sunday is the most expensive at $1,293, a difference of $502.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Louisville to Reykjavik Keflavik Intl Airport?

    Flying via Detroit Metropolitan Wayne County (DTW) gives the shortest average 1-stop total travel time at 9h 33m, compared with 10h 23m via Chicago O'Hare Intl (ORD) and 10h 35m via Baltimore/Washington (BWI).

  • What is the time difference between Louisville and Reykjavik Keflavik Intl Airport?

    Reykjavik Keflavik Intl Airport is 5 hours ahead of Louisville (Greenwich Mean Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Reykjavik Keflavik Intl Airport?

    Some of the most popular sights in Reykjavik Keflavik Intl Airport are Harpa, Laugardalsholl and The Settlement Exhibition: Reykjavík 871±2. These are among the most viewed places in Reykjavik Keflavik Intl Airport on KAYAK.

Your guide to booking Louisville to Reykjavik Keflavik Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Sunday. On this route, Tuesday flights average $791, about $502 less than Sunday fares (39% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Louisville to Reykjavik Keflavik Intl Airport trip for October. Fares historically average $791 round-trip in that month - typically $808 less than the most expensive month, which is March (based on the last 12 months).

More options for your flight from Louisville to Keflavik Intl

Complete your trip to Reykjavik with a hotel stay or car rental

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