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$86+ Cheap flights from Keflavik Intl (KEF) to Madrid, Spain (MAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — MAD
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Cheap flight deals from Keflavik Intl to Madrid

Discover tips and strategies to find the most affordable flight options for your journey from Keflavik Intl (KEF) to Madrid (MAD). 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 January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$169
(Connections by easyJet)

One-way from

$86
(Trip.com)

Popular in

April

Cheapest in

June

Average price

$214
Provider with most accurate pricing for Reykjavik Keflavik Intl-Madrid Barajas flight deals.
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Provider most trusted by Cheapflights users for Reykjavik Keflavik Intl-Madrid Barajas flights.
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From Reykjavik Keflavik Intl to Madrid Barajas
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One-way flight from Reykjavik Keflavik Intl to Madrid Barajas
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 4% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Keflavik Intl to Madrid

Cheapest flights from Keflavik Intl to Madrid
Explore the most affordable flight options available from Keflavik Intl to Madrid. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:50 pm
KEF
-
MAD
1 stop12h 05m
Multiple Airlines
Tue 4/289:15 am
MAD
-
KEF
1 stop11h 05m
Multiple Airlines
Deal found 1/14$198
This Kiwi.com deal was found by Cheapflights users on 1/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/223:10 pm
KEF
-
MAD
1 stop7h 25m
Lufthansa
Thu 1/297:25 am
MAD
-
KEF
1 stop7h 50m
Lufthansa
Deal found 1/15$214
This Connections by easyJet deal was found by Cheapflights users on 1/15. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:00 am
KEF
-
MAD
1 stop10h 40m
easyJet
Sat 5/211:25 am
MAD
-
KEF
1 stop23h 05m
easyJet
Deal found 1/15$222
This WAYA deal was found by Cheapflights users on 1/14. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/510:05 am
KEF
-
MAD
1 stop7h 55m
Multiple Airlines
Wed 3/119:30 am
MAD
-
KEF
1 stop8h 45m
Multiple Airlines
Deal found 1/14$238
This Kiwi.com deal was found by Cheapflights users on 1/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2810:20 am
KEF
-
MAD
2 stops22h 20m
Multiple Airlines
Sat 3/77:05 pm
MAD
-
KEF
1 stop30h 10m
Multiple Airlines
Deal found 1/14$259
This Justfly.com deal was found by Cheapflights users on 1/15. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:10 am
KEF
-
MAD
2 stops17h 40m
Multiple Airlines
Sat 5/26:25 pm
MAD
-
KEF
1 stop7h 45m
Multiple Airlines
Deal found 1/15$261
This FlightHub deal was found by Cheapflights users on 1/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/271:15 am
KEF
-
MAD
2 stops21h 20m
Austrian Airlines
Fri 3/67:25 am
MAD
-
KEF
2 stops18h 00m
Austrian Airlines
Deal found 1/14$312
This Kiwi.com deal was found by Cheapflights users on 1/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/18:15 pm
KEF
-
MAD
1 stop11h 45m
Multiple Airlines
Mon 2/1610:30 am
MAD
-
KEF
2 stops33h 05m
Multiple Airlines
Deal found 1/14$340

Cheapflights Fare Finder

 
Customize your flight search to find flights from Keflavik Intl to Madrid 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 15, 2026.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Madrid that are best for you.

Fly from

Keflavik Intl

Fly to

Madrid

Route

Depart

Return

Price

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Tue 4/7

7:50 pm-9:55 am

1 stop12h 05m

Madrid Barajas

Tue 4/28

9:15 am-6:20 pm

1 stop11h 05m

$198

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Wed 4/29

9:00 am-9:40 pm

1 stop10h 40m

Madrid Barajas

Sat 5/2

11:25 am-8:30 am

1 stop23h 05m

$222

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Sat 2/28

10:20 am-9:40 am

2 stops22h 20m

Madrid Barajas

Sat 3/7

7:05 pm-12:15 am

1 stop30h 10m

$259

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Tue 4/28

12:10 am-7:50 pm

2 stops17h 40m

Madrid Barajas

Sat 5/2

6:25 pm-12:10 am

1 stop7h 45m

$261

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Thu 3/5

10:05 am-10:55 pm

2 stops11h 50m

Madrid Barajas

Wed 3/11

9:30 am-5:15 pm

1 stop8h 45m

$282

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Thu 3/5

11:25 am-11:25 pm

1 stop11h 00m

Madrid Barajas

Wed 3/11

6:00 am-7:05 pm

1 stop14h 05m

$312

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Fri 2/27

1:15 am-11:35 pm

2 stops21h 20m

Madrid Barajas

Fri 3/6

7:25 am-12:25 am

2 stops18h 00m

$312

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Sun 2/1

8:15 pm-9:00 am

1 stop11h 45m

Madrid Barajas

Mon 2/16

10:30 am-6:35 pm

2 stops33h 05m

$340

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Tue 4/28

12:10 am-11:40 pm

2 stops21h 30m

Madrid Barajas

Sat 5/2

5:55 am-11:20 pm

2 stops43h 25m

$342

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Wed 6/3

8:00 pm-9:30 am

1 stop11h 30m

Madrid Barajas

Sun 6/7

10:25 am-7:10 pm

1 stop10h 45m

$405

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 20 results
1
2

Compare providers for flights from Keflavik Intl to Madrid

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Keflavik Intl to Madrid in January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Reykjavik Keflavik Intl Airport-Madrid flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Reykjavik Keflavik Intl Airport-Madrid flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Reykjavik Keflavik Intl Airport-Madrid flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Reykjavik Keflavik Intl Airport-Madrid flights, Cheapflights users trust eDreams the most. eDreams 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 Reykjavik Keflavik Intl Airport-Madrid 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 Keflavik Intl to Madrid

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

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

Currently, October is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to Madrid (average of $114). Flying from Reykjavik Keflavik Intl Airport to Madrid in December is currently the most expensive (average of $338). 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.

Related info for your journey

Find useful and relevant information for your journey from Keflavik Intl to Madrid. 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 into for flights to Madrid from Reykjavik Keflavik Intl?

    Most people fly into Madrid Barajas (MAD) if they book a flight to Madrid from Reykjavik Keflavik Intl. On average, Barajas has 0 inbound flights from Reykjavik Keflavik Intl per day from 0 airlines. Madrid Barajas is conveniently located just 8.5 mi from Madrid’s city center.

  • How long is the flight from Reykjavik Keflavik Intl Airport to Madrid?

    Airlines like easyJet fly from Reykjavik Keflavik Intl Airport to Madrid in about 10h 40m. The time it takes to get you to your destination can typically vary by up to . The distance from Reykjavik Keflavik Intl Airport to Madrid is about 1795 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Keflavik Intl to Madrid 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 Reykjavik Keflavik Intl Airport to Madrid?

    Currently, October is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to Madrid (average of $114). Flying from Reykjavik Keflavik Intl Airport to Madrid in December is currently the most expensive (average of $338). 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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