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Keflavik Intl

$544+ 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 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — KEF
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$544
(Mytrip)
Provider with most accurate pricing for Louisville Intl-Reykjavik Keflavik Intl flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Reykjavik Keflavik Intl flights.
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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 February 20, 2025.

This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/286:43 pmSDF - KEF
2 stops30h 02mMultiple Airlines
Fri 4/43:45 pmKEF - SDF
2 stops19h 46mMultiple Airlines
Deal found 2/19$544
This Expedia deal was found by Cheapflights users on 2/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1110:47 amSDF - KEF
2 stops43h 58mBritish Airways
Tue 3/1811:45 amKEF - SDF
2 stops37h 12mBritish Airways
Deal found 2/19$656
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Fri 8/159:00 amSDF - KEF
2 stops19h 35mUnited Airlines
Fri 8/2212:00 pmKEF - SDF
1 stop12h 14mUnited Airlines
Deal found 2/18$737
This Ovago deal was found by Cheapflights users on 2/19. 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.
Sun 9/146:00 pmSDF - KEF
1 stop10h 30mLufthansa
Mon 9/2212:25 amKEF - SDF
2 stops25h 44mLufthansa
Deal found 2/19$880
This KLM deal was found by Cheapflights users on 2/18. 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.
Fri 8/151:20 pmSDF - KEF
1 stop13h 40mKLM
Fri 8/228:50 amKEF - SDF
1 stop16h 46mKLM
Deal found 2/18$957
This Delta deal was found by Cheapflights users on 2/19. 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.
Wed 5/217:20 amSDF - KEF
2 stops22h 10mDelta
Wed 5/2811:25 amKEF - SDF
2 stops14h 13mDelta
Deal found 2/19$1,048
This Booking.com deal was found by Cheapflights users on 2/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/238:55 amSDF - KEF
2 stops19h 40mAir Canada
Sun 6/2910:00 amKEF - SDF
2 stops32h 41mAir Canada
Deal found 2/19$1,164
This Air France deal was found by Cheapflights users on 2/19. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/295:30 pmSDF - KEF
2 stops12h 00mAir France
Thu 4/311:25 amKEF - SDF
2 stops16h 33mAir France
Deal found 2/19$1,807

Find flights from Louisville to Keflavik Intl within your budget

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 February 20, 2025.

Fly from

Louisville

Fly to

Keflavik Intl

Route

Depart

Return

Price

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Fri 3/28

6:43 pm-4:45 am

2 stops30h 02m

Reykjavik Keflavik Intl

Fri 4/4

3:45 pm-7:31 am

2 stops19h 46m

$544

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Tue 3/11

10:47 am-10:45 am

2 stops43h 58m

Reykjavik Keflavik Intl

Tue 3/18

11:45 am-8:57 pm

2 stops37h 12m

$656

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Fri 8/15

9:00 am-8:35 am

2 stops19h 35m

Reykjavik Keflavik Intl

Fri 8/22

12:00 pm-8:14 pm

1 stop12h 14m

$737

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Fri 8/15

1:20 pm-7:00 am

1 stop13h 40m

Reykjavik Keflavik Intl

Fri 8/22

8:50 am-9:36 pm

1 stop16h 46m

$957

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Wed 5/21

7:20 am-9:30 am

2 stops22h 10m

Reykjavik Keflavik Intl

Wed 5/28

11:25 am-9:38 pm

2 stops14h 13m

$1,048

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Mon 6/23

8:55 am-8:35 am

2 stops19h 40m

Reykjavik Keflavik Intl

Sun 6/29

10:00 am-2:41 pm

2 stops32h 41m

$1,164

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Sat 3/29

1:50 pm-11:35 pm

2 stops29h 45m

Reykjavik Keflavik Intl

Fri 4/4

12:25 am-5:00 pm

2 stops20h 35m

$1,517

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Sat 3/29

5:30 pm-9:30 am

2 stops12h 00m

Reykjavik Keflavik Intl

Thu 4/3

11:25 am-11:58 pm

2 stops16h 33m

$1,807

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Thu 7/3

6:00 pm-8:35 am

2 stops34h 35m

$574

LouisvilleReykjavik

SDF - KEF

SDFKEF

Louisville Intl

Thu 7/3

1:55 pm-8:30 am

1 stop14h 35m

$732

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 12 results
1
2
  • Most accurate provider: When it comes to deals on Louisville-Reykjavik Keflavik Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Louisville-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from Louisville to Keflavik Intl

Get recent, data-driven insights about flights from Louisville to Keflavik Intl including ideal travel times, pricing trends, and more.

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 February 20, 2025.
Delta
8.0
Very good
8,219 reviews

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,219 reviews

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,449 reviews
Delta
8.0
Very good
8,219 reviews

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,765 reviews
Delta
8.0
Very good
8,219 reviews

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Canada
7.0
Good
8,748 reviews
Delta
8.0
Very good
8,219 reviews

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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, British Airways ($656), United Airlines ($737), and KLM ($957) offers the cheapest pricing from Louisville to Reykjavik Keflavik Intl Airport.

  • What are the cheapest airlines to fly from Louisville to Reykjavik Keflavik Intl Airport one-way?

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $574. However, be on the lookout for offers from United Airlines and Lufthansa, as they are both options that can get you from Louisville to Reykjavik Keflavik Intl Airport for a low price.

  • 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 $657). 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.

See more FAQs

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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$576Average$805FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$590Average$776FlexibilityNo cancel feeOn-time69%
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