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Cheap flights from Louisville to Reykjavik from $583

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 1/29. 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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Cheap round-trip flights

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Multiple Airlines Logo
11:10 am - 2:20 pmSDF-KEF
22h 10m3 stops
Multiple Airlines Logo
3:20 pm - 10:30 pmKEF-SDF
36h 10m2 stops
$583Multiple Airlines
Find Deal
Thu, Jan 29 - Tue, Feb 3
Lufthansa Logo
2:35 pm - 2:15 pmSDF-KEF
42h 40m2 stops
Lufthansa Logo
3:20 pm - 10:29 pmKEF-SDF
36h 09m2 stops
$861Lufthansa
Find Deal
Thu, Nov 13 - Tue, Nov 18
Multiple Airlines Logo
6:00 am - 6:40 amSDF-KEF
19h 40m2 stops
Multiple Airlines Logo
4:45 pm - 1:26 pmKEF-SDF
25h 41m1 stop
$872Multiple Airlines
Find Deal
Mon, Feb 23 - Sat, Feb 28
British Airways Logo
2:00 pm - 10:50 amSDF-KEF
39h 50m2 stops
British Airways Logo
11:50 am - 6:08 pmKEF-SDF
35h 18m2 stops
$932British Airways
Find Deal
Mon, Nov 24 - Mon, Dec 1
Scandinavian Airlines Logo
5:45 pm - 11:20 pmSDF-KEF
24h 35m2 stops
Scandinavian Airlines Logo
7:35 am - 11:56 pmKEF-SDF
21h 21m2 stops
$1,033Scandinavian Airlines
Find Deal
Mon, Feb 23 - Sat, Feb 28
British Airways Logo
7:31 pm - 10:40 amSDF-KEF
58h 09m2 stops
British Airways Logo
11:50 am - 11:59 pmKEF-SDF
41h 09m2 stops
$1,038British Airways
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Thu, Nov 13 - Mon, Dec 1
Multiple Airlines Logo
6:00 am - 10:45 amSDF-KEF
23h 45m3 stops
Multiple Airlines Logo
6:30 pm - 11:45 pmKEF-SDF
34h 15m3 stops
$1,156Multiple Airlines
Find Deal
Thu, Jan 29 - Tue, Feb 3
British Airways Logo
4:18 pm - 10:45 amSDF-KEF
37h 27m2 stops
British Airways Logo
11:50 am - 6:08 pmKEF-SDF
35h 18m2 stops
$1,217British Airways
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Tue, Nov 18 - Mon, Dec 1
Multiple Airlines Logo
6:00 am - 6:15 amSDF-KEF
19h 15m1 stop
Multiple Airlines Logo
4:45 pm - 1:26 pmKEF-SDF
25h 41m1 stop
$1,219Multiple Airlines
Find Deal
Mon, Feb 23 - Sat, Feb 28
American Airlines Logo
11:57 am - 5:15 pmSDF-KEF
24h 18m2 stops
American Airlines Logo
11:50 am - 9:59 amKEF-SDF
27h 09m3 stops
$4,095American Airlines
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Thu, Nov 13 - Tue, Nov 18

British Airways flights from Louisville to Reykjavik Keflavik Intl Airport

Our best British Airways deals on Louisville to Reykjavik Keflavik Intl Airport flight tickets
British Airways
Nov 24
SDF2:00 pmLouisville Intl
39h 50m
2 stops
KEF10:50 amReykjavik Keflavik Intl
Dec 1
KEF11:50 amReykjavik Keflavik Intl
35h 18m
2 stops
SDF6:08 pmLouisville Intl
$932
Find similar
British Airways
Nov 13
SDF7:31 pmLouisville Intl
58h 09m
2 stops
KEF10:40 amReykjavik Keflavik Intl
Dec 1
KEF11:50 amReykjavik Keflavik Intl
41h 09m
2 stops
SDF11:59 pmLouisville Intl
$1,038
Find similar
British Airways
Nov 18
SDF4:18 pmLouisville Intl
37h 27m
2 stops
KEF10:45 amReykjavik Keflavik Intl
Dec 1
KEF11:50 amReykjavik Keflavik Intl
35h 18m
2 stops
SDF6:08 pmLouisville Intl
$1,217
Find similar

Lufthansa flights from Louisville to Reykjavik Keflavik Intl Airport

Our best Lufthansa deals on Louisville to Reykjavik Keflavik Intl Airport flight tickets
Lufthansa
Nov 13
SDF2:35 pmLouisville Intl
42h 40m
2 stops
KEF2:15 pmReykjavik Keflavik Intl
Nov 18
KEF3:20 pmReykjavik Keflavik Intl
36h 09m
2 stops
SDF10:29 pmLouisville Intl
$861
Find similar
Lufthansa
Nov 11
SDF6:07 pmLouisville Intl
39h 08m
2 stops
KEF2:15 pmReykjavik Keflavik Intl
Nov 15
KEF3:10 pmReykjavik Keflavik Intl
33h 17m
2 stops
SDF7:27 pmLouisville Intl
$1,984
Find similar
Lufthansa
Nov 18
SDF2:02 pmLouisville Intl
43h 13m
2 stops
KEF2:15 pmReykjavik Keflavik Intl
Nov 22
KEF3:10 pmReykjavik Keflavik Intl
36h 19m
2 stops
SDF10:29 pmLouisville Intl
$2,005
Find similar

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 October 29, 2025.
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

Thu 1/29

11:10 am-2:20 pm

3 stops22h 10m

Reykjavik Keflavik Intl

Tue 2/3

3:20 pm-10:30 pm

2 stops36h 10m

$583

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Thu 11/13

2:35 pm-2:15 pm

2 stops42h 40m

Reykjavik Keflavik Intl

Tue 11/18

3:20 pm-10:29 pm

2 stops36h 09m

$861

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Mon 2/23

6:00 am-6:40 am

2 stops19h 40m

Reykjavik Keflavik Intl

Sat 2/28

4:45 pm-1:26 pm

1 stop25h 41m

$872

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Mon 11/24

2:00 pm-10:50 am

2 stops39h 50m

Reykjavik Keflavik Intl

Mon 12/1

11:50 am-6:08 pm

2 stops35h 18m

$932

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Mon 2/23

5:45 pm-11:20 pm

2 stops24h 35m

Reykjavik Keflavik Intl

Sat 2/28

7:35 am-11:56 pm

2 stops21h 21m

$1,033

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Thu 11/13

7:31 pm-10:40 am

2 stops58h 09m

Reykjavik Keflavik Intl

Mon 12/1

11:50 am-11:59 pm

2 stops41h 09m

$1,038

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Thu 1/29

6:00 am-10:45 am

3 stops23h 45m

Reykjavik Keflavik Intl

Tue 2/3

6:30 pm-11:45 pm

3 stops34h 15m

$1,156

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 11/18

4:18 pm-10:45 am

2 stops37h 27m

Reykjavik Keflavik Intl

Mon 12/1

11:50 am-6:08 pm

2 stops35h 18m

$1,217

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Mon 2/23

6:00 am-6:15 am

1 stop19h 15m

Reykjavik Keflavik Intl

Sat 2/28

4:45 pm-1:26 pm

1 stop25h 41m

$1,219

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Thu 11/13

11:57 am-5:15 pm

2 stops24h 18m

Reykjavik Keflavik Intl

Tue 11/18

11:50 am-9:59 am

3 stops27h 09m

$4,095

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 day to depart on your flight to Reykjavik Keflavik Intl Airport?

The cheapest day to depart from Louisville to Reykjavik Keflavik Intl Airport is on a Wednesday when prices can be found for as low as $710. The most expensive day to fly to Reykjavik Keflavik Intl Airport is Friday, with ticket prices averaging around $1,243.

What is the cheapest time of day to depart on your flight to Reykjavik Keflavik Intl Airport?

The cheapest time of day to fly to Reykjavik Keflavik Intl Airport is in the morning when flights can be purchased for as low as $680. Flights at noon are often more expensive with an average ticket price of $913.

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

Direct flights

None
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.
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  • 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 12h 31m 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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