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Keflavik Intl

$652+ Cheap flights from Louisville (SDF) to Keflavik Intl (KEF)

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — KEF
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Louisville to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Keflavik Intl (KEF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$652
(Gotogate)
From Louisville Intl to Reykjavik Keflavik Intl
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Find flight deals from Louisville to Keflavik Intl

Cheapest flights from Louisville to Keflavik Intl
Explore the most affordable flight options available from Louisville to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Gotogate deal was found by Cheapflights users on 6/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/36:15 amSDF - KEF
2 stops22h 00mMultiple Airlines
Wed 9/1012:25 amKEF - SDF
2 stops25h 59mMultiple Airlines
Deal found 6/10$652
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Sun 9/145:52 pmSDF - KEF
1 stop10h 38mUnited Airlines
Tue 9/239:50 amKEF - SDF
2 stops39h 12mUnited Airlines
Deal found 6/10$663
This Air Canada deal was found by Cheapflights users on 6/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/147:00 amSDF - KEF
2 stops21h 15mAir Canada
Tue 9/239:50 amKEF - SDF
2 stops41h 08mAir Canada
Deal found 6/10$670
This KLM deal was found by Cheapflights users on 6/10. 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.
Sun 9/142:15 pmSDF - KEF
1 stop12h 05mKLM
Tue 9/238:45 amKEF - SDF
1 stop12h 54mKLM
Deal found 6/10$690
This Ovago deal was found by Cheapflights users on 6/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/41:59 pmSDF - KEF
1 stop14h 31mLufthansa
Sun 9/712:25 amKEF - SDF
2 stops25h 59mLufthansa
Deal found 6/11$824
This Scandinavian Airlines deal was found by Cheapflights users on 6/12. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/243:21 pmSDF - KEF
2 stops28h 29mScandinavian Airlines
Thu 7/311:00 amKEF - SDF
3 stops24h 39mScandinavian Airlines
Deal found 6/12$1,692

Cheapflights Fare Finder

Customize your flight search to find flights from Louisville to Keflavik Intl 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 June 12, 2025.
Use the filters below to find and compare flights from Louisville to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Louisville

Fly to

Keflavik Intl

Route

Depart

Return

Price

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Wed 9/3

6:15 am-8:15 am

2 stops22h 00m

Reykjavik Keflavik Intl

Wed 9/10

12:25 am-10:24 pm

2 stops25h 59m

$652

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Sun 9/14

5:52 pm-8:30 am

1 stop10h 38m

Reykjavik Keflavik Intl

Tue 9/23

9:50 am-9:02 pm

2 stops39h 12m

$663

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Sun 9/14

7:00 am-8:15 am

2 stops21h 15m

Reykjavik Keflavik Intl

Tue 9/23

9:50 am-10:58 pm

2 stops41h 08m

$670

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Sun 9/14

2:15 pm-6:20 am

1 stop12h 05m

Reykjavik Keflavik Intl

Tue 9/23

8:45 am-5:39 pm

1 stop12h 54m

$690

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Thu 9/4

1:59 pm-8:30 am

1 stop14h 31m

Reykjavik Keflavik Intl

Sun 9/7

12:25 am-10:24 pm

2 stops25h 59m

$824

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Thu 7/24

3:21 pm-11:50 pm

2 stops28h 29m

Reykjavik Keflavik Intl

Thu 7/31

1:00 am-9:39 pm

3 stops24h 39m

$1,692

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Louisville to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl 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 Reykjavik Keflavik Intl Airport

Rainfall in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 1.6 in.

Temperature in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Reykjavik Keflavik Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 51.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik Intl. 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 Keflavik Intl. Reviews last updated June 12, 2025.
KLM
7.8
Good
1,358 reviews

Crew

8.4

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.2

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Allan,Jun 2025

YYZ - AMS

I always enjoy flying KLM. Service is attentive, friendly and professional. The seat, when fully reclined is a little hard; some kind of mattress or topper would be helpful here. The dinner was really not very good …. “Meatless meatballs” tasted quite peculiar. Breakfast which consisted of an egg white omelette in flour tortilla was also rather tasteless.
KLM
7.8
Good
1,358 reviews
KLM
7.8
Good
1,358 reviews

Crew

8.4

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.2

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Allan,Jun 2025

YYZ - AMS

I always enjoy flying KLM. Service is attentive, friendly and professional. The seat, when fully reclined is a little hard; some kind of mattress or topper would be helpful here. The dinner was really not very good …. “Meatless meatballs” tasted quite peculiar. Breakfast which consisted of an egg white omelette in flour tortilla was also rather tasteless.
United Airlines
7.4
Good
8,790 reviews
KLM
7.8
Good
1,358 reviews

Crew

8.4

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.2

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Allan,Jun 2025

YYZ - AMS

I always enjoy flying KLM. Service is attentive, friendly and professional. The seat, when fully reclined is a little hard; some kind of mattress or topper would be helpful here. The dinner was really not very good …. “Meatless meatballs” tasted quite peculiar. Breakfast which consisted of an egg white omelette in flour tortilla was also rather tasteless.
Air Canada
7.1
Good
9,537 reviews
KLM
7.8
Good
1,358 reviews

Crew

8.4

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.2

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Allan,Jun 2025

YYZ - AMS

I always enjoy flying KLM. Service is attentive, friendly and professional. The seat, when fully reclined is a little hard; some kind of mattress or topper would be helpful here. The dinner was really not very good …. “Meatless meatballs” tasted quite peculiar. Breakfast which consisted of an egg white omelette in flour tortilla was also rather tasteless.
Lufthansa
6.8
Okay
7,139 reviews
KLM
7.8
Good
1,358 reviews

Crew

8.4

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.2

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Allan,Jun 2025

YYZ - AMS

I always enjoy flying KLM. Service is attentive, friendly and professional. The seat, when fully reclined is a little hard; some kind of mattress or topper would be helpful here. The dinner was really not very good …. “Meatless meatballs” tasted quite peculiar. Breakfast which consisted of an egg white omelette in flour tortilla was also rather tasteless.

Related info for your journey

Find useful and relevant information for your journey from Louisville to Keflavik Intl. 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 Reykjavik Keflavik Intl?

    If you book a flight to Reykjavik Keflavik Intl from Louisville, you will be flying from Louisville Intl, which is the city’s only airport. Louisville Intl (SDF) is located 5.3 mi from the center of Louisville. There are 0 flights from Louisville Intl to Reykjavik Keflavik Intl per day from 2 different airlines.

  • What are the cheapest airlines flying from Louisville to Reykjavik Keflavik Intl Airport round-trip?

    According to our current data, United Airlines ($663), Lufthansa ($824), and Air Canada ($1,126) offers the cheapest pricing from Louisville to Reykjavik Keflavik Intl Airport.

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

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

  • How can I find direct flights from Louisville to Keflavik Intl?

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

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

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

  • What is the cheapest month to book a flight from Louisville to Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Louisville to Reykjavik Keflavik Intl Airport (average of $328). Flying from Louisville to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $659). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Louisville to Keflavik Intl

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Top 2 airlines flying from Louisville to Keflavik Intl

Discover the top 2 airlines that operate flights from Louisville to Keflavik Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$576Average$859FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$590Average$864FlexibilityNo cancel feeOn-time69%

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