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Cheap flights from Louisville to Reykjavik from $850

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 8/18. 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.
Delta Logo
6:26 pm - 7:40 am
SDF
-
KEF
9h 14m
1 stop
Delta Logo
8:45 am - 1:38 pm
KEF
-
SDF
8h 53m
1 stop
$850Delta
Tue, Aug 18 - Tue, Aug 25
Delta Logo
10:43 am - 7:40 am
SDF
-
KEF
16h 57m
2 stops
Delta Logo
8:45 am - 1:38 pm
KEF
-
SDF
8h 53m
1 stop
$854Delta
Tue, Aug 18 - Tue, Aug 25
KLM Logo
4:28 pm - 7:40 am
SDF
-
KEF
11h 12m
1 stop
KLM Logo
8:45 am - 9:18 pm
KEF
-
SDF
16h 33m
1 stop
$855KLM
Tue, May 12 - Wed, May 20
KLM Logo
10:39 am - 7:00 am
SDF
-
KEF
16h 21m
1 stop
KLM Logo
8:45 am - 7:50 pm
KEF
-
SDF
15h 05m
2 stops
$859KLM
Tue, May 12 - Wed, May 20
Multiple Airlines Logo
2:43 pm - 4:30 pm
SDF
-
KEF
21h 47m
2 stops
Multiple Airlines Logo
5:15 pm - 11:01 pm
KEF
-
SDF
33h 46m
2 stops
$890Multiple Airlines
Tue, Aug 11 - Thu, Aug 20
KLM Logo
2:15 pm - 7:40 am
SDF
-
KEF
13h 25m
1 stop
KLM Logo
8:45 am - 9:37 pm
KEF
-
SDF
16h 52m
1 stop
$900KLM
Tue, Aug 18 - Tue, Aug 25
Delta Logo
10:43 am - 7:40 am
SDF
-
KEF
16h 57m
2 stops
Delta Logo
11:25 am - 11:59 pm
KEF
-
SDF
16h 34m
2 stops
$904Delta
Tue, Aug 18 - Tue, Aug 25
United Airlines Logo
7:43 pm - 7:55 am
SDF
-
KEF
32h 12m
2 stops
United Airlines Logo
10:00 am - 6:56 pm
KEF
-
SDF
36h 56m
2 stops
$912United Airlines
Tue, Aug 11 - Thu, Aug 20
KLM Logo
2:34 pm - 7:00 am
SDF
-
KEF
12h 26m
1 stop
KLM Logo
9:30 am - 11:52 pm
KEF
-
SDF
18h 22m
1 stop
$915KLM
Mon, May 11 - Mon, May 18
Multiple Airlines Logo
5:52 pm - 9:30 am
SDF
-
KEF
11h 38m
2 stops
Multiple Airlines Logo
11:25 am - 9:19 pm
KEF
-
SDF
13h 54m
2 stops
$919Multiple Airlines
Mon, May 11 - Mon, May 18

KLM flights from Louisville to Reykjavik Keflavik Intl Airport

Our best KLM deals on Louisville to Reykjavik Keflavik Intl Airport flight tickets
KLM
May 12
SDF4:28 pmLouisville Intl
11h 12m
1 stop
KEF7:40 amReykjavik Keflavik Intl
May 20
KEF8:45 amReykjavik Keflavik Intl
16h 33m
1 stop
SDF9:18 pmLouisville Intl
$855
KLM
May 12
SDF10:39 amLouisville Intl
16h 21m
1 stop
KEF7:00 amReykjavik Keflavik Intl
May 20
KEF8:45 amReykjavik Keflavik Intl
15h 05m
2 stops
SDF7:50 pmLouisville Intl
$859
KLM
Aug 18
SDF2:15 pmLouisville Intl
13h 25m
1 stop
KEF7:40 amReykjavik Keflavik Intl
Aug 25
KEF8:45 amReykjavik Keflavik Intl
16h 52m
1 stop
SDF9:37 pmLouisville Intl
$900

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
SDF7:43 pmLouisville Intl
32h 12m
2 stops
KEF7:55 amReykjavik Keflavik Intl
Aug 20
KEF10:00 amReykjavik Keflavik Intl
36h 56m
2 stops
SDF6:56 pmLouisville Intl
$912
United Airlines
Aug 12
SDF7:43 pmLouisville Intl
9h 07m
1 stop
KEF8:50 amReykjavik Keflavik Intl
Aug 25
KEF10:00 amReykjavik Keflavik Intl
18h 05m
3 stops
SDF12:05 amLouisville Intl
$922
United Airlines
Aug 11
SDF7:43 pmLouisville Intl
32h 12m
2 stops
KEF7:55 amReykjavik Keflavik Intl
Aug 25
KEF10:00 amReykjavik Keflavik Intl
18h 05m
3 stops
SDF12:05 amLouisville Intl
$925

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 March 30, 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

Cheapest round-trip
Quickest round-trip

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 8/18

6:26 pm-7:40 am

1 stop9h 14m

Reykjavik Keflavik Intl

Tue 8/25

8:45 am-1:38 pm

1 stop8h 53m

$850

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 8/18

10:43 am-7:40 am

2 stops16h 57m

Reykjavik Keflavik Intl

Tue 8/25

8:45 am-1:38 pm

1 stop8h 53m

$854

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 5/12

4:28 pm-7:40 am

1 stop11h 12m

Reykjavik Keflavik Intl

Wed 5/20

8:45 am-9:18 pm

1 stop16h 33m

$855

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 5/12

10:39 am-7:00 am

1 stop16h 21m

Reykjavik Keflavik Intl

Wed 5/20

8:45 am-7:50 pm

2 stops15h 05m

$859

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 8/11

2:43 pm-4:30 pm

2 stops21h 47m

Reykjavik Keflavik Intl

Thu 8/20

5:15 pm-11:01 pm

2 stops33h 46m

$890

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 8/18

2:15 pm-7:40 am

1 stop13h 25m

Reykjavik Keflavik Intl

Tue 8/25

8:45 am-9:37 pm

1 stop16h 52m

$900

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 8/18

10:43 am-7:40 am

2 stops16h 57m

Reykjavik Keflavik Intl

Tue 8/25

11:25 am-11:59 pm

2 stops16h 34m

$904

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 8/11

7:43 pm-7:55 am

2 stops32h 12m

Reykjavik Keflavik Intl

Thu 8/20

10:00 am-6:56 pm

2 stops36h 56m

$912

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Mon 5/11

2:34 pm-7:00 am

1 stop12h 26m

Reykjavik Keflavik Intl

Mon 5/18

9:30 am-11:52 pm

1 stop18h 22m

$915

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Mon 5/11

5:52 pm-9:30 am

2 stops11h 38m

Reykjavik Keflavik Intl

Mon 5/18

11:25 am-9:19 pm

2 stops13h 54m

$919

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

9h 07m

Direct flights

None
The fastest flight from Louisville to Reykjavik Keflavik Intl Airport takes 9h 07m
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 9h 07m 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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