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Cheap flights from Louisville to Reykjavik from $420

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 10/2. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Louisville to Reykjavik

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:25 am - 6:15 am
SDF
-
KEF
15h 50m
1 stop
Multiple Airlines Logo
4:55 pm - 9:45 am
KEF
-
SDF
20h 50m
1 stop
$502Multiple Airlines
Fri, Sep 18 - Sun, Sep 20
Multiple Airlines Logo
10:25 am - 6:15 am
SDF
-
KEF
15h 50m
1 stop
Multiple Airlines Logo
4:55 pm - 9:02 pm
KEF
-
SDF
32h 07m
2 stops
$644Multiple Airlines
Fri, Sep 18 - Sun, Sep 20
Multiple Airlines Logo
11:12 am - 6:40 am
SDF
-
KEF
15h 28m
2 stops
Multiple Airlines Logo
4:45 pm - 2:16 pm
KEF
-
SDF
25h 31m
1 stop
$731Multiple Airlines
Thu, Aug 27 - Tue, Sep 1
Multiple Airlines Logo
5:15 am - 7:55 am
SDF
-
KEF
22h 40m
2 stops
Multiple Airlines Logo
10:00 am - 7:24 pm
KEF
-
SDF
37h 24m
2 stops
$779Multiple Airlines
Tue, Oct 6 - Tue, Oct 20
Multiple Airlines Logo
1:25 pm - 7:55 am
SDF
-
KEF
14h 30m
2 stops
Multiple Airlines Logo
10:00 am - 11:59 pm
KEF
-
SDF
17h 59m
3 stops
$805Multiple Airlines
Tue, Oct 6 - Tue, Oct 20
Multiple Airlines Logo
3:55 pm - 6:25 am
SDF
-
KEF
10h 30m
1 stop
Multiple Airlines Logo
7:50 pm - 10:00 am
KEF
-
SDF
18h 10m
1 stop
$828Multiple Airlines
Tue, Oct 6 - Tue, Oct 20
Multiple Airlines Logo
11:50 am - 9:10 am
SDF
-
KEF
17h 20m
1 stop
Multiple Airlines Logo
5:00 pm - 10:35 pm
KEF
-
SDF
9h 35m
1 stop
$841Multiple Airlines
Thu, Aug 20 - Fri, Aug 28
Multiple Airlines Logo
5:00 pm - 6:25 am
SDF
-
KEF
9h 25m
1 stop
Multiple Airlines Logo
5:00 pm - 12:40 pm
KEF
-
SDF
23h 40m
1 stop
$849Multiple Airlines
Tue, Aug 18 - Tue, Aug 25
Multiple Airlines Logo
4:15 pm - 9:10 am
SDF
-
KEF
12h 55m
1 stop
Multiple Airlines Logo
5:00 pm - 10:00 am
KEF
-
SDF
21h 00m
1 stop
$850Multiple Airlines
Tue, Jul 28 - Wed, Aug 5
Multiple Airlines Logo
9:04 am - 8:50 am
SDF
-
KEF
19h 46m
1 stop
Multiple Airlines Logo
10:00 am - 8:13 pm
KEF
-
SDF
38h 13m
2 stops
$866Multiple Airlines
Wed, Oct 7 - Mon, Oct 12

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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
Oct 7
SDF7:00 amLouisville Intl
21h 50m
1 stop
KEF8:50 amReykjavik Keflavik Intl
Oct 12
KEF10:00 amReykjavik Keflavik Intl
41h 59m
3 stops
SDF11:59 pmLouisville Intl
$867
United Airlines
Oct 6
SDF10:00 amLouisville Intl
17h 55m
2 stops
KEF7:55 amReykjavik Keflavik Intl
Oct 12
KEF10:00 amReykjavik Keflavik Intl
38h 13m
2 stops
SDF8:13 pmLouisville Intl
$869
United Airlines
Oct 6
SDF3:37 pmLouisville Intl
37h 13m
2 stops
KEF8:50 amReykjavik Keflavik Intl
Oct 12
KEF10:00 amReykjavik Keflavik Intl
41h 59m
3 stops
SDF11:59 pmLouisville Intl
$877

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 12
SDF11:00 amLouisville Intl
16h 55m
2 stops
KEF7:55 amReykjavik Keflavik Intl
Aug 25
KEF9:15 amReykjavik Keflavik Intl
42h 44m
2 stops
SDF11:59 pmLouisville Intl
$976
Air Canada
Aug 11
SDF5:45 pmLouisville Intl
35h 00m
2 stops
KEF8:45 amReykjavik Keflavik Intl
Aug 25
KEF9:15 amReykjavik Keflavik Intl
42h 44m
2 stops
SDF11:59 pmLouisville Intl
$981
Air Canada
Aug 25
SDF9:00 amLouisville Intl
19h 45m
2 stops
KEF8:45 amReykjavik Keflavik Intl
Sep 2
KEF10:00 amReykjavik Keflavik Intl
31h 11m
2 stops
SDF1:11 pmLouisville Intl
$986

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 July 11, 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

Fri 9/18

10:25 am-6:15 am

1 stop15h 50m

Reykjavik Keflavik Intl

Sun 9/20

4:55 pm-9:45 am

1 stop20h 50m

$502

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Fri 9/18

10:25 am-6:15 am

1 stop15h 50m

Reykjavik Keflavik Intl

Sun 9/20

4:55 pm-9:02 pm

2 stops32h 07m

$644

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Thu 8/27

11:12 am-6:40 am

2 stops15h 28m

Reykjavik Keflavik Intl

Tue 9/1

4:45 pm-2:16 pm

1 stop25h 31m

$731

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 10/6

5:15 am-7:55 am

2 stops22h 40m

Reykjavik Keflavik Intl

Tue 10/20

10:00 am-7:24 pm

2 stops37h 24m

$779

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 10/6

1:25 pm-7:55 am

2 stops14h 30m

Reykjavik Keflavik Intl

Tue 10/20

10:00 am-11:59 pm

3 stops17h 59m

$805

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 10/6

3:55 pm-6:25 am

1 stop10h 30m

Reykjavik Keflavik Intl

Tue 10/20

7:50 pm-10:00 am

1 stop18h 10m

$828
Quickest round-trip

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Thu 8/20

11:50 am-9:10 am

1 stop17h 20m

Reykjavik Keflavik Intl

Fri 8/28

5:00 pm-10:35 pm

1 stop9h 35m

$841

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 8/18

5:00 pm-6:25 am

1 stop9h 25m

Reykjavik Keflavik Intl

Tue 8/25

5:00 pm-12:40 pm

1 stop23h 40m

$849

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 7/28

4:15 pm-9:10 am

1 stop12h 55m

Reykjavik Keflavik Intl

Wed 8/5

5:00 pm-10:00 am

1 stop21h 00m

$850

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Wed 10/7

9:04 am-8:50 am

1 stop19h 46m

Reykjavik Keflavik Intl

Mon 10/12

10:00 am-8:13 pm

2 stops38h 13m

$866

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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?

United Airlines and Air Canada are the most popular carriers 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

10h 25m

Direct flights

None
The fastest flight from Louisville to Reykjavik Keflavik Intl Airport takes 10h 25m
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 10h 25m 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.

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