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$154+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — MAD
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$150
(Kiwi.com)

Popular in

November

Cheapest in

June

Average price

$526

Good one-way deal

$170 or less
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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Highest demand for flights based on searches. 22% potential increase in price ($98 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a one-way flight from Reykjavik Keflavik Intl to Madrid Barajas.
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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 November 13, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/62:20 pmKEF - MAD
2 stops32h 15mMultiple Airlines
Fri 12/127:35 pmMAD - KEF
1 stop18h 45mMultiple Airlines
Deal found 11/11$163
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/62:20 pmKEF - MAD
1 stop18h 00mSWISS
Fri 12/1210:10 amMAD - KEF
1 stop28h 10mSWISS
Deal found 11/11$174
This Mytrip deal was found by Cheapflights users on 11/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/62:20 pmKEF - MAD
2 stops32h 15mLufthansa
Fri 12/127:25 amMAD - KEF
2 stops30h 55mLufthansa
Deal found 11/12$203
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/62:20 pmKEF - MAD
1 stop18h 00mMultiple Airlines
Sat 12/135:05 pmMAD - KEF
1 stop22h 15mMultiple Airlines
Deal found 11/12$235
This Mytrip deal was found by Cheapflights users on 11/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/62:20 pmKEF - MAD
2 stops26h 30mLufthansa
Sat 12/137:25 amMAD - KEF
1 stop7h 50mLufthansa
Deal found 11/12$238
This Connections by easyJet deal was found by Cheapflights users on 11/12. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/57:15 pmKEF - MAD
1 stop19h 55measyJet
Thu 12/1110:15 amMAD - KEF
1 stop7h 45measyJet
Deal found 11/12$272
This Connections by easyJet deal was found by Cheapflights users on 11/11. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:05 pmKEF - MAD
1 stop14h 30measyJet
Thu 12/1810:15 amMAD - KEF
1 stop7h 45measyJet
Deal found 11/11$288

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 November 13, 2025.
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

Sat 12/6

2:20 pm-11:35 pm

2 stops32h 15m

Madrid Barajas

Fri 12/12

7:25 am-1:20 pm

2 stops30h 55m

$203

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Mon 1/12

8:05 pm-12:10 pm

1 stop15h 05m

Madrid Barajas

Wed 1/21

6:00 am-7:05 pm

1 stop14h 05m

$211

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Sat 1/10

2:20 pm-6:45 pm

1 stop27h 25m

Madrid Barajas

Sun 1/18

5:55 am-2:20 pm

1 stop9h 25m

$235

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Sat 12/6

2:20 pm-9:20 am

1 stop18h 00m

Madrid Barajas

Sat 12/13

5:05 pm-2:20 pm

1 stop22h 15m

$235

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Sat 12/6

2:20 pm-5:50 pm

2 stops26h 30m

Madrid Barajas

Sat 12/13

7:25 am-2:15 pm

1 stop7h 50m

$238

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Fri 12/5

7:15 pm-4:10 pm

1 stop19h 55m

Madrid Barajas

Thu 12/11

10:15 am-5:00 pm

1 stop7h 45m

$272

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Thu 12/11

6:05 pm-9:35 am

1 stop14h 30m

Madrid Barajas

Thu 12/18

10:15 am-5:00 pm

1 stop7h 45m

$324

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Wed 11/26

8:05 pm-10:15 am

1 stop13h 10m

Madrid Barajas

Sun 12/7

6:00 am-7:05 pm

1 stop14h 05m

$339

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Fri 1/16

11:50 am-2:50 pm

1 stop26h 00m

Madrid Barajas

Tue 1/20

7:40 am-10:50 am

1 stop28h 10m

$363

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Tue 1/20

11:05 am-12:45 pm

3 stops24h 40m

$154

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

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 November.
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 September is currently the most expensive (average of $298). 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.

What is the cheapest time of day to fly from KEF to MAD?

Find hourly flight availability from Keflavik Intl to Madrid. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 13, 2025.

A simple way to save on the total cost of your ticket is to fly from Reykjavik Keflavik Intl Airport to Madrid at noon. If you’re flexible enough to do this you can expect to save up to 37% on your trip compared to booking a flight in the evening.

Reviews of airlines servicing Madrid

Get insights into the airlines that provide service to Madrid. 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 Madrid. Reviews last updated November 13, 2025.
Peruse reviews from past customers who have flown with PLAY from Reykjavik Keflavik Intl Airport to Madrid to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
PLAY
7.0
Good

Comfort

6.5

Entertainment

4.7

Food

5.5

Boarding

7.3

Crew

8.0

Overall

7.0

Reviews

1 / 2
4.0
Okay

Lisa,Oct 2024

BER - KEF

I’ll never fly Play again. We were jammed into the tiniest spaces ever and they didn’t even give us water, tea, or coffee without charging. When we were coming in for a landing I thought we might never make it off the plane alive. The worst.
PLAY
7.0
Good
PLAY
7.0
Good

Comfort

6.5

Entertainment

4.7

Food

5.5

Boarding

7.3

Crew

8.0

Overall

7.0

Reviews

1 / 2
4.0
Okay

Lisa,Oct 2024

BER - KEF

I’ll never fly Play again. We were jammed into the tiniest spaces ever and they didn’t even give us water, tea, or coffee without charging. When we were coming in for a landing I thought we might never make it off the plane alive. The worst.

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 1 airline. 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 Lufthansa and KLM fly from Reykjavik Keflavik Intl Airport to Madrid in about 15h 05m. The time it takes to get you to your destination can typically vary by up to 17h 10m. The distance from Reykjavik Keflavik Intl Airport to Madrid is about 1795 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Reykjavik Keflavik Intl Airport to Madrid round-trip?

    Cheapflights users have booked flights from Reykjavik Keflavik Intl Airport to Madrid round-trip from $214. PLAY is currently priced 37% below the average price you’ll pay for this route.

  • What are the most reliable airlines from Reykjavik Keflavik Intl Airport to Madrid?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Reykjavik Keflavik Intl Airport to Madrid on time: PLAY (91%), LATAM Airlines (75%), Iberia (75%).

  • What are the cheapest flights from Reykjavik Keflavik Intl Airport to Madrid?

    On average you can expect to pay $613 for a flight from Reykjavik Keflavik Intl Airport to Madrid. The cheapest flight overall is $163 while the most popular route, (Reykjavik Keflavik Intl - Madrid Barajas) is currently priced at $645.

  • 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 September is currently the most expensive (average of $298). 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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Top airline flying from Keflavik Intl to Madrid

Discover the top airline that operate flights from Keflavik Intl to Madrid. 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$214Average$307FlexibilityNo cancel feeOn-timeN/A

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