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SDF - KEF

$759 Find Cheap Flights from Louisville to Reykjavik - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$759
Typical prices: $791-$1,185
Multiple Airlines
Wed 11/14Tue 11/20
SDF - KEF • 1 stop
When to travel
August
Cheapest • 22% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Washington, D.C. Dulles Intl (IAD)
Cheapest • Avg $722 (round-trip)
Detroit Metropolitan Wayne County (DTW)
Shortest trip • 9h 33m (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

Sat, Nov 14 - Fri, Nov 20
Multiple Airlines Logo
4:06 pm - 6:40 amSDF  Louisville Intl-KEF Reykjavik Keflavik Intl
9h 34m1 stop Raleigh-Durham
Multiple Airlines Logo
4:45 pm - 3:26 pmKEF  Reykjavik Keflavik Intl-SDF Louisville Intl
27h 41m1 stop Raleigh-Durham
$759Multiple Airlines
Sun, Nov 1 - Sat, Nov 14
United Airlines Logo
5:57 pm - 10:00 amSDF  Louisville Intl-KEF Reykjavik Keflavik Intl
11h 03m1 stop Chicago O'Hare Intl
United Airlines Logo
12:00 pm - 8:52 pmKEF  Reykjavik Keflavik Intl-SDF Louisville Intl
13h 52m1 stop Chicago O'Hare Intl
$801United Airlines
Tue, Nov 3 - Tue, Nov 10
Scandinavian Airlines Logo
1:20 pm - 5:20 pmSDF  Louisville Intl-KEF Reykjavik Keflavik Intl
23h 00m2 stops Boston Logan Intl Kastrup Copenhagen
Scandinavian Airlines Logo
11:35 am - 11:13 pmKEF  Reykjavik Keflavik Intl-SDF Louisville Intl
40h 38m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
$812Scandinavian Airlines
Sat, Oct 17 - Sat, Oct 24
Multiple Airlines Logo
10:55 am - 9:10 amSDF  Louisville Intl-KEF Reykjavik Keflavik Intl
18h 15m1 stop Baltimore/Washington
Multiple Airlines Logo
7:50 pm - 9:55 amKEF  Reykjavik Keflavik Intl-SDF Louisville Intl
18h 05m1 stop Baltimore/Washington
$830Multiple Airlines
Mon, Nov 2 - Mon, Nov 9
Multiple Airlines Logo
1:59 pm - 10:50 amSDF  Louisville Intl-KEF Reykjavik Keflavik Intl
39h 51m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
Multiple Airlines Logo
7:30 am - 10:53 pmKEF  Reykjavik Keflavik Intl-SDF Louisville Intl
20h 23m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
$843Multiple Airlines
Tue, Oct 20 - Tue, Oct 27
Multiple Airlines Logo
1:20 pm - 9:40 amSDF  Louisville Intl-KEF Reykjavik Keflavik Intl
16h 20m2 stops Boston Logan Intl Kastrup Copenhagen
Multiple Airlines Logo
4:30 pm - 11:59 pmKEF  Reykjavik Keflavik Intl-SDF Louisville Intl
35h 29m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
$845Multiple Airlines
Wed, Nov 11 - Mon, Nov 16
United Airlines Logo
10:37 am - 10:00 amSDF  Louisville Intl-KEF Reykjavik Keflavik Intl
18h 23m1 stop Chicago O'Hare Intl
United Airlines Logo
12:00 pm - 5:02 pmKEF  Reykjavik Keflavik Intl-SDF Louisville Intl
10h 02m1 stop Chicago O'Hare Intl
$847United Airlines
Wed, Nov 11 - Mon, Nov 16
United Airlines Logo
10:37 am - 10:00 amSDF  Louisville Intl-KEF Reykjavik Keflavik Intl
18h 23m1 stop Chicago O'Hare Intl
United Airlines Logo
12:00 pm - 1:23 pmKEF  Reykjavik Keflavik Intl-SDF Louisville Intl
30h 23m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
$852United Airlines
Mon, Nov 2 - Mon, Nov 9
Multiple Airlines Logo
12:05 pm - 6:30 amSDF  Louisville Intl-KEF Reykjavik Keflavik Intl
13h 25m1 stop Baltimore/Washington
Multiple Airlines Logo
5:00 pm - 12:25 amKEF  Reykjavik Keflavik Intl-SDF Louisville Intl
12h 25m1 stop Baltimore/Washington
$869Multiple Airlines
Wed, Nov 11 - Mon, Nov 16
Multiple Airlines Logo
9:02 am - 10:00 amSDF  Louisville Intl-KEF Reykjavik Keflavik Intl
19h 58m1 stop Chicago O'Hare Intl
Multiple Airlines Logo
12:00 pm - 8:52 pmKEF  Reykjavik Keflavik Intl-SDF Louisville Intl
13h 52m1 stop Chicago O'Hare Intl
$896Multiple 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.

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 Thursday is the most expensive, with prices 44% higher.

Find deals

Key details for Louisville to Reykjavik Keflavik Intl Airport flights

Low season

January

Cheapest flight

$759
The most popular month to fly with an average 8% increase in travelers.
Round-trip 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 $791 to $1,185, with an average of $970 over the past 12 months. Anything below $791 counts as a good deal.

  • 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 starting from around $16 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) - 42% of one-stop connections
    • Minneapolis St Paul (MSP) - 23% of one-stop connections
    • Baltimore/Washington (BWI) - 15% 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 44% on flights from Louisville to Reykjavik Keflavik Intl Airport. Tuesday is the cheapest departure day at $791 round-trip on average, while Thursday is the most expensive at $1,405, a difference of $614.

    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 25m via Baltimore/Washington (BWI) and 10h 28m via Chicago O'Hare Intl (ORD).

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

    Reykjavik Keflavik Intl Airport is 4 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 Thursday. On this route, Tuesday flights average $791, about $614 less than Thursday fares (44% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Louisville to Reykjavik Keflavik Intl Airport trip for August. Fares historically average $754 round-trip in that month - typically $845 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

Car rentals in Reykjavik
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