Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Louisville to Reykjavik from $421

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Reykjavik departing on 8/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Louisville to Reykjavik

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
7:54 pm - 7:00 am
SDF
-
KEF
31h 06m
1 stop
KLM Logo
8:45 am - 5:15 pm
KEF
-
SDF
12h 30m
1 stop
$781KLM
Tue, Aug 11 - Thu, Aug 20
Multiple Airlines Logo
7:54 pm - 7:00 am
SDF
-
KEF
31h 06m
1 stop
Multiple Airlines Logo
11:25 am - 9:19 pm
KEF
-
SDF
13h 54m
2 stops
$786Multiple Airlines
Tue, Aug 11 - Thu, Aug 20
Air Canada Logo
1:50 pm - 8:45 am
SDF
-
KEF
14h 55m
2 stops
Air Canada Logo
10:00 am - 8:36 pm
KEF
-
SDF
14h 36m
2 stops
$821Air Canada
Sat, Aug 15 - Sun, Aug 23
KLM Logo
5:55 pm - 7:00 am
SDF
-
KEF
9h 05m
1 stop
KLM Logo
9:30 am - 7:11 pm
KEF
-
SDF
13h 41m
1 stop
$885KLM
Tue, Jul 28 - Wed, Aug 5
KLM Logo
1:02 pm - 7:40 am
SDF
-
KEF
14h 38m
2 stops
KLM Logo
11:25 am - 9:29 pm
KEF
-
SDF
14h 04m
2 stops
$890KLM
Tue, Jul 28 - Wed, Aug 5
Air Canada Logo
5:15 am - 8:45 am
SDF
-
KEF
23h 30m
2 stops
Air Canada Logo
10:00 am - 8:36 pm
KEF
-
SDF
14h 36m
2 stops
$898Air Canada
Tue, Aug 11 - Thu, Aug 20
KLM Logo
4:34 pm - 7:00 am
SDF
-
KEF
10h 26m
1 stop
KLM Logo
8:45 am - 5:15 pm
KEF
-
SDF
12h 30m
1 stop
$900KLM
Tue, Aug 11 - Thu, Aug 20
Delta Logo
4:34 pm - 7:00 am
SDF
-
KEF
10h 26m
1 stop
Delta Logo
11:25 am - 12:34 am
KEF
-
SDF
17h 09m
2 stops
$905Delta
Tue, Aug 18 - Tue, Aug 25
KLM Logo
7:54 pm - 7:00 am
SDF
-
KEF
31h 06m
1 stop
KLM Logo
11:25 am - 12:34 am
KEF
-
SDF
17h 09m
2 stops
$911KLM
Tue, Aug 11 - Tue, Aug 25
United Airlines Logo
1:56 pm - 8:30 am
SDF
-
KEF
14h 34m
1 stop
United Airlines Logo
12:00 pm - 7:07 pm
KEF
-
SDF
11h 07m
1 stop
$924United Airlines
Tue, Aug 18 - Tue, Aug 25

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 18
SDF1:56 pmLouisville Intl
14h 34m
1 stop
KEF8:30 amReykjavik Keflavik Intl
Aug 25
KEF12:00 pmReykjavik Keflavik Intl
11h 07m
1 stop
SDF7:07 pmLouisville Intl
$924
United Airlines
Aug 18
SDF1:56 pmLouisville Intl
14h 34m
1 stop
KEF8:30 amReykjavik Keflavik Intl
Aug 25
KEF9:15 amReykjavik Keflavik Intl
13h 50m
2 stops
SDF7:05 pmLouisville Intl
$928
United Airlines
Aug 18
SDF1:13 pmLouisville Intl
15h 17m
2 stops
KEF8:30 amReykjavik Keflavik Intl
Aug 25
KEF11:00 amReykjavik Keflavik Intl
12h 05m
2 stops
SDF7:05 pmLouisville Intl
$929

Air Canada flights from Louisville to Reykjavik Keflavik Intl Airport

Our best Air Canada deals on Louisville to Reykjavik Keflavik Intl Airport flight tickets
Air Canada
Aug 15
SDF1:50 pmLouisville Intl
14h 55m
2 stops
KEF8:45 amReykjavik Keflavik Intl
Aug 23
KEF10:00 amReykjavik Keflavik Intl
14h 36m
2 stops
SDF8:36 pmLouisville Intl
$821
Air Canada
Aug 11
SDF5:15 amLouisville Intl
23h 30m
2 stops
KEF8:45 amReykjavik Keflavik Intl
Aug 20
KEF10:00 amReykjavik Keflavik Intl
14h 36m
2 stops
SDF8:36 pmLouisville Intl
$898
Air Canada
Aug 18
SDF11:00 amLouisville Intl
17h 45m
3 stops
KEF8:45 amReykjavik Keflavik Intl
Aug 25
KEF9:15 amReykjavik Keflavik Intl
17h 13m
3 stops
SDF10:28 pmLouisville Intl
$948

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 May 20, 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

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 8/11

7:54 pm-7:00 am

1 stop31h 06m

Reykjavik Keflavik Intl

Thu 8/20

8:45 am-5:15 pm

1 stop12h 30m

$781

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 8/11

7:54 pm-7:00 am

1 stop31h 06m

Reykjavik Keflavik Intl

Thu 8/20

11:25 am-9:19 pm

2 stops13h 54m

$786

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Sat 8/15

1:50 pm-8:45 am

2 stops14h 55m

Reykjavik Keflavik Intl

Sun 8/23

10:00 am-8:36 pm

2 stops14h 36m

$821
Quickest round-trip

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 7/28

5:55 pm-7:00 am

1 stop9h 05m

Reykjavik Keflavik Intl

Wed 8/5

9:30 am-7:11 pm

1 stop13h 41m

$885

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 7/28

1:02 pm-7:40 am

2 stops14h 38m

Reykjavik Keflavik Intl

Wed 8/5

11:25 am-9:29 pm

2 stops14h 04m

$890

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 8/11

5:15 am-8:45 am

2 stops23h 30m

Reykjavik Keflavik Intl

Thu 8/20

10:00 am-8:36 pm

2 stops14h 36m

$898

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 8/11

4:34 pm-7:00 am

1 stop10h 26m

Reykjavik Keflavik Intl

Thu 8/20

8:45 am-5:15 pm

1 stop12h 30m

$900

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 8/18

4:34 pm-7:00 am

1 stop10h 26m

Reykjavik Keflavik Intl

Tue 8/25

11:25 am-12:34 am

2 stops17h 09m

$905

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 8/11

7:54 pm-7:00 am

1 stop31h 06m

Reykjavik Keflavik Intl

Tue 8/25

11:25 am-12:34 am

2 stops17h 09m

$911

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 8/18

1:56 pm-8:30 am

1 stop14h 34m

Reykjavik Keflavik Intl

Tue 8/25

12:00 pm-7:07 pm

1 stop11h 07m

$924

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Reykjavik from

How to get the cheapest flight ticket from Louisville to Reykjavik Keflavik Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Louisville Intl to Reykjavik Keflavik Intl?

KLM is the most popular carrier operating from Louisville Intl to Reykjavik Keflavik Intl

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

8h 58m

Direct flights

None
The fastest flight from Louisville to Reykjavik Keflavik Intl Airport takes 8h 58m
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

Frequently asked questions about flying from Louisville to Reykjavik Keflavik Intl Airport

  • 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 8h 58m 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.

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.

An easier way to manage your Reykjavik Keflavik Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 6/19
Fri 6/26
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Reykjavik