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Cheap flights from Louisville to Reykjavik from $635

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Reykjavik departing on 5/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Louisville to Reykjavik

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
5:52 pm - 6:20 am
SDF
-
KEF
8h 28m
1 stop
KLM Logo
9:30 am - 3:46 pm
KEF
-
SDF
10h 16m
1 stop
$635KLM
Tue, May 12 - Wed, May 20
KLM Logo
3:39 pm - 9:30 am
SDF
-
KEF
13h 51m
2 stops
KLM Logo
8:50 am - 5:12 pm
KEF
-
SDF
12h 22m
1 stop
$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
Tue, May 12 - Wed, May 20
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 - 5:41 pm
KEF
-
SDF
12h 51m
1 stop
$764KLM
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
Mon, Aug 10 - Fri, Aug 21
Multiple Airlines Logo
10:15 am - 6:20 am
SDF
-
KEF
16h 05m
1 stop
Multiple Airlines Logo
8:50 am - 5:41 pm
KEF
-
SDF
12h 51m
1 stop
$809Multiple Airlines
Tue, Jul 28 - Wed, Aug 5

United Airlines flights from Louisville to Reykjavik Keflavik Intl Airport

Our best United Airlines deals on Louisville to Reykjavik Keflavik Intl Airport flight tickets
United Airlines
Aug 11
SDF7:32 pmLouisville Intl
32h 23m
2 stops
KEF7:55 amReykjavik Keflavik Intl
Aug 25
KEF10:00 amReykjavik Keflavik Intl
37h 09m
2 stops
SDF7:09 pmLouisville Intl
$693
United Airlines
May 12
SDF9:10 amLouisville Intl
19h 20m
1 stop
KEF8:30 amReykjavik Keflavik Intl
May 20
KEF12:00 pmReykjavik Keflavik Intl
10h 36m
1 stop
SDF6:36 pmLouisville Intl
$711
United Airlines
Jul 31
SDF10:00 amLouisville Intl
18h 50m
1 stop
KEF8:50 amReykjavik Keflavik Intl
Aug 28
KEF9:15 amReykjavik Keflavik Intl
38h 19m
2 stops
SDF7:34 pmLouisville Intl
$765

Scandinavian Airlines flights from Louisville to Reykjavik Keflavik Intl Airport

Our best Scandinavian Airlines deals on Louisville to Reykjavik Keflavik Intl Airport flight tickets
Scandinavian Airlines
Aug 11
SDF4:00 pmLouisville Intl
11h 40m
1 stop
KEF7:40 amReykjavik Keflavik Intl
Aug 25
KEF9:30 amReykjavik Keflavik Intl
13h 31m
2 stops
SDF7:01 pmLouisville Intl
$704
Scandinavian Airlines
Aug 11
SDF1:20 pmLouisville Intl
14h 20m
1 stop
KEF7:40 amReykjavik Keflavik Intl
Aug 25
KEF9:30 amReykjavik Keflavik Intl
13h 31m
2 stops
SDF7:01 pmLouisville Intl
$708
Scandinavian Airlines
Mar 16
SDF5:35 pmLouisville Intl
37h 10m
2 stops
KEF10:45 amReykjavik Keflavik Intl
Mar 19
KEF7:35 amReykjavik Keflavik Intl
19h 08m
2 stops
SDF10:43 pmLouisville Intl
$1,073

momondo Fare Finder

 
Customize your flight search to find flights from Louisville to Reykjavik Keflavik Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 12, 2026.
Use the filters below to find and compare flights from Louisville to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 5/12

5:52 pm-6:20 am

1 stop8h 28m

Reykjavik Keflavik Intl

Wed 5/20

9:30 am-3:46 pm

1 stop10h 16m

$635

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 5/12

3:39 pm-9:30 am

2 stops13h 51m

Reykjavik Keflavik Intl

Wed 5/20

8:50 am-5:12 pm

1 stop12h 22m

$640

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 5/12

8:36 am-10:00 am

3 stops21h 24m

Reykjavik Keflavik Intl

Wed 5/20

8:35 am-12:23 am

2 stops19h 48m

$685

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Mon 8/10

7:25 pm-7:40 am

1 stop32h 15m

Reykjavik Keflavik Intl

Fri 8/21

8:50 am-9:37 pm

1 stop16h 47m

$706

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Mon 8/10

7:25 pm-7:40 am

1 stop32h 15m

Reykjavik Keflavik Intl

Fri 8/21

8:50 am-4:52 pm

2 stops12h 02m

$711

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Mon 8/10

6:11 pm-7:50 am

2 stops33h 39m

Reykjavik Keflavik Intl

Fri 8/21

8:35 am-11:01 pm

2 stops18h 26m

$721

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Mon 8/10

7:25 pm-7:40 am

1 stop32h 15m

Reykjavik Keflavik Intl

Fri 8/21

8:50 am-5:41 pm

1 stop12h 51m

$763

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Mon 8/10

7:25 pm-7:40 am

1 stop32h 15m

Reykjavik Keflavik Intl

Fri 8/21

8:50 am-5:41 pm

1 stop12h 51m

$764

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Mon 8/10

7:25 pm-7:40 am

1 stop32h 15m

Reykjavik Keflavik Intl

Fri 8/21

8:50 am-7:01 pm

2 stops14h 11m

$768

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 7/28

10:15 am-6:20 am

1 stop16h 05m

Reykjavik Keflavik Intl

Wed 8/5

8:50 am-5:41 pm

1 stop12h 51m

$809

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Louisville to Reykjavik Keflavik Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Reykjavik Keflavik Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Louisville to Reykjavik Keflavik Intl Airport (SDF to KEF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Reykjavik Keflavik Intl Airport

Fastest flight time

14h 20m

Direct flights

None
The fastest flight from Louisville to Reykjavik Keflavik Intl Airport takes 14h 20m
There are no direct flights from Louisville to Reykjavik Keflavik Intl Airport. There are no popular flight routes from Louisville to Reykjavik Keflavik Intl Airport.
Search flight deals

  • How far is Louisville Intl to Reykjavik Keflavik Intl by plane?

    The distance between Louisville Intl and Reykjavik Keflavik Intl is about 3079.9 mi. Typically, this will take 14h 20m by plane in normal conditions.

  • When did momondo last update prices for flights from Louisville Intl Airport to Reykjavik Keflavik Intl Airport?

    Prices for flights from Louisville Intl Airport to Reykjavik Keflavik Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Louisville Intl Airport to Reykjavik Keflavik Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Louisville Intl Airport to Reykjavik Keflavik Intl Airport.

  • What documentation or ID do you need to fly to Reykjavik Keflavik Intl Airport?

    The necessary travel and health documents for your Reykjavik Keflavik Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Louisville to Reykjavik Keflavik Intl Airport?

    Search flight deals from Louisville to Reykjavik Keflavik Intl Airport. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Louisville to Reykjavik Keflavik Intl Airport with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Traveling to a place near Reykjavik?

Book flights to Reykjavik if you plan to visit one of these locations
Keflavik
Selfoss
Hella
Hveragerdi
Borgarnes
Grindavik
Kopavogur

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Reykjavik?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Louisville to Reykjavik. momondo saves you time and could save you money on your trip.

Can I find flights from Louisville to Reykjavik with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Reykjavik from Louisville with this policy.

How can momondo help me find flights from Louisville to Reykjavik?

Once all potential Louisville to Reykjavik flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Louisville to Reykjavik right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Louisville to Reykjavik now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Reykjavik and let you know when they change.

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