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Iceland

$635+ Cheap flights from Louisville (SDF) to Iceland

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — KEF
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Louisville to Iceland

Cheapest flights from Louisville to Iceland
Explore the most affordable flight options available from Louisville to Iceland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This KLM deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/121:20 pm
SDF
-
KEF
1 stop14h 20m
KLM
Wed 5/209:30 am
KEF
-
SDF
1 stop17h 20m
KLM
Deal found 1/27$635
This KLM deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/302:17 pm
SDF
-
KEF
2 stops15h 13m
Multiple Airlines
Tue 4/1411:25 am
KEF
-
SDF
2 stops16h 34m
Multiple Airlines
Deal found 1/26$645
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:00 pm
SDF
-
KEF
1 stop10h 30m
United Airlines
Tue 8/259:15 am
KEF
-
SDF
2 stops35h 34m
United Airlines
Deal found 1/26$684
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:55 pm
SDF
-
KEF
2 stops38h 00m
United Airlines
Tue 8/2510:00 am
KEF
-
SDF
2 stops34h 49m
United Airlines
Deal found 1/27$698
This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/128:03 am
SDF
-
KEF
3 stops21h 57m
Multiple Airlines
Wed 5/208:35 am
KEF
-
SDF
2 stops18h 52m
Multiple Airlines
Deal found 1/26$699
This KLM deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/182:15 pm
SDF
-
KEF
1 stop12h 05m
KLM
Tue 8/259:30 am
KEF
-
SDF
1 stop13h 13m
KLM
Deal found 1/26$704
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:24 pm
SDF
-
KEF
2 stops14h 06m
Delta
Tue 8/258:50 am
KEF
-
SDF
2 stops16h 02m
Delta
Deal found 1/27$709

Find flight deals from Louisville to Iceland

Keep the following information in mind while searching for Louisville to Iceland flight deals. Data was last updated January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$635
(KLM)

Popular in

January

Cheapest in

August

Average price

$2,184
Provider with most accurate pricing for Louisville Intl-Reykjavik (REK) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Reykjavik (REK) flights.
Search Deals
From Louisville Intl to Iceland
Search Deals
Highest demand for flights based on searches. 50% potential increase in price ($1,096 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease ($122 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Iceland 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, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
Use the filters below to find and compare flights from Louisville to Iceland that are best for you.

Fly from

Louisville

Fly to

Iceland

Route

Depart

Return

Price

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 5/12

6:26 pm-6:20 am

1 stop7h 54m

Reykjavik Keflavik Intl

Wed 5/20

8:50 am-5:41 pm

1 stop12h 51m

$635

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 4/7

3:05 pm-9:30 am

2 stops14h 25m

Reykjavik Keflavik Intl

Tue 4/14

11:25 am-9:18 pm

2 stops13h 53m

$645

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Mon 3/30

2:17 pm-9:30 am

2 stops15h 13m

Reykjavik Keflavik Intl

Tue 4/14

11:25 am-11:59 pm

2 stops16h 34m

$645

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 3/31

10:13 am-9:30 am

2 stops19h 17m

Reykjavik Keflavik Intl

Tue 4/14

11:25 am-11:59 pm

2 stops16h 34m

$645

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 5/12

8:03 am-10:00 am

3 stops21h 57m

Reykjavik Keflavik Intl

Wed 5/20

8:35 am-11:27 pm

2 stops18h 52m

$699

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Mon 3/30

3:05 pm-9:30 am

2 stops14h 25m

Reykjavik Keflavik Intl

Mon 4/13

11:25 am-11:59 pm

2 stops16h 34m

$844

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Best time to book a flight from Louisville to Iceland

Have a flexible travel schedule? Discover the best time to fly to Iceland from Louisville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Louisville to Iceland
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Iceland

Get insights into the airlines that provide service to Iceland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Iceland. Reviews last updated January 27, 2026.
Read reviews from past customers who have flown Delta from Louisville to Iceland. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,118 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,118 reviews
Delta
7.9
Good
8,118 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Louisville to Iceland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Louisville to Iceland?

    Located just 5.3 mi from the city center, Louisville Intl (SDF) is the airport most travelers will use when flying to Iceland from Louisville.

  • How long is the flight from Louisville to Iceland?

    KLM can get you from Louisville to Iceland in just under 7h 54m. Your travel time can differ by up to . There are 3084 mi between Louisville and Iceland.

  • Can I find deals for flights from Louisville to Iceland that include hotel bookings?

    Yes. In addition to deals on Louisville to Iceland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville to Iceland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Iceland.

  • Can I find deals for business class flights from Louisville to Iceland?

    Yes. Cheapflights offers flight deals from Louisville to Iceland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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