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Keflavik Intl

$119+ Cheap flights from Madrid, Spain (MAD) to Keflavik Intl (KEF)

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — KEF
Nov 20 — Nov 271
Thu 11/20
Thu 11/27
1 adult, Economy
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Find cheap flights from Madrid to Keflavik Intl with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Madrid Barajas to Reykjavik Keflavik Intl are usually found in May or March, booked 76 days in advance, depart on a Monday or Thursday and return on a Wednesday

Find flight deals from Madrid to Keflavik Intl

Cheapest flights from Madrid to Keflavik Intl
Explore the most affordable flight options available from Madrid to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 21, 2025.

This Transavia Smart Connect deal was found by Cheapflights users on 10/21. 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 Transavia Smart Connect is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/34:50 pmMAD - KEF
1 stop19h 25mTransavia France
Sat 12/66:05 pmKEF - MAD
1 stop13h 10mTransavia France
Deal found 10/21$217
This Connections by easyJet deal was found by Cheapflights users on 10/20. 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.
Sun 12/79:35 pmMAD - KEF
1 stop14h 40measyJet
Sat 12/139:05 pmKEF - MAD
1 stop22h 50measyJet
Deal found 10/20$223
This Connections by easyJet deal was found by Cheapflights users on 10/19. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:00 pmMAD - KEF
1 stop7h 25measyJet
Wed 12/1011:55 amKEF - MAD
1 stop20h 40measyJet
Deal found 10/19$224
This Connections by easyJet deal was found by Cheapflights users on 10/21. 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 11/289:10 pmMAD - KEF
1 stop24h 10measyJet
Sat 12/66:35 pmKEF - MAD
1 stop16h 30measyJet
Deal found 10/21$238
This Connections by easyJet deal was found by Cheapflights users on 10/19. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/59:10 pmMAD - KEF
1 stop24h 10measyJet
Wed 12/107:20 pmKEF - MAD
1 stop15h 00measyJet
Deal found 10/19$246
This Connections by easyJet deal was found by Cheapflights users on 10/19. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1212:00 pmMAD - KEF
1 stop7h 25measyJet
Wed 11/196:05 pmKEF - MAD
1 stop16h 20measyJet
Deal found 10/19$250
This Mytrip deal was found by Cheapflights users on 10/19. 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.
Wed 11/1912:00 pmMAD - KEF
1 stop7h 25mMultiple Airlines
Wed 11/267:40 pmKEF - MAD
1 stop12h 25mMultiple Airlines
Deal found 10/19$253

Cheap flight deals from Madrid to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Madrid (MAD) 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 October 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$213
(Connections by easyJet)

One-way from

$119
(Connections by easyJet)

Popular in

August

Cheapest in

May

Average price

$343

Good round-trip deal

$346 or less
Provider with most accurate pricing for Madrid Barajas-Reykjavik Keflavik Intl flight deals.
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Provider most trusted by Cheapflights users for Madrid Barajas-Reykjavik Keflavik Intl flights.
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From Madrid Barajas to Reykjavik Keflavik Intl
Search Deals
One-way flight from Madrid Barajas to Reykjavik Keflavik Intl
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($82 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Madrid Barajas to Reykjavik Keflavik Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Madrid 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 October 21, 2025.
Use the filters below to find and compare flights from Madrid to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Madrid

Fly to

Keflavik Intl

Route

Depart

Return

Price

MadridReykjavik

MAD - KEF

MADKEF

Madrid Barajas

Tue 2/24

10:50 am-11:15 am

1 stop25h 25m

Reykjavik Keflavik Intl

Sun 3/1

9:35 am-8:55 pm

1 stop10h 20m

$213

MadridReykjavik

MAD - KEF

MADKEF

Madrid Barajas

Wed 1/21

6:00 am-7:05 pm

1 stop14h 05m

Reykjavik Keflavik Intl

Mon 1/26

8:05 pm-10:15 am

1 stop13h 10m

$216

MadridReykjavik

MAD - KEF

MADKEF

Madrid Barajas

Tue 3/3

11:00 am-6:00 pm

1 stop8h 00m

Reykjavik Keflavik Intl

Tue 3/10

7:00 pm-10:15 am

1 stop14h 15m

$216

MadridReykjavik

MAD - KEF

MADKEF

Madrid Barajas

Thu 1/15

6:00 am-7:05 pm

1 stop14h 05m

Reykjavik Keflavik Intl

Sat 1/24

8:05 pm-4:05 pm

1 stop19h 00m

$231

MadridReykjavik

MAD - KEF

MADKEF

Madrid Barajas

Sun 3/8

6:00 am-7:05 pm

1 stop14h 05m

Reykjavik Keflavik Intl

Mon 3/16

8:05 pm-4:05 pm

1 stop19h 00m

$231

MadridReykjavik

MAD - KEF

MADKEF

Madrid Barajas

Fri 11/28

9:10 pm-8:20 pm

1 stop24h 10m

Reykjavik Keflavik Intl

Sat 12/6

6:35 pm-12:05 pm

1 stop16h 30m

$238

MadridReykjavik

MAD - KEF

MADKEF

Madrid Barajas

Mon 2/9

6:00 am-7:05 pm

1 stop14h 05m

Reykjavik Keflavik Intl

Mon 2/16

8:05 pm-10:15 am

1 stop13h 10m

$265

MadridReykjavik

MAD - KEF

MADKEF

Madrid Barajas

Sun 1/11

6:00 am-7:05 pm

1 stop14h 05m

Reykjavik Keflavik Intl

Sun 1/18

8:05 pm-10:15 am

1 stop13h 10m

$279

MadridReykjavik

MAD - KEF

MADKEF

Madrid Barajas

Fri 12/5

9:10 pm-8:20 pm

1 stop24h 10m

Reykjavik Keflavik Intl

Mon 12/8

7:35 pm-9:45 am

1 stop13h 10m

$336

MadridReykjavik

MAD - KEF

MADKEF

Madrid Barajas

Wed 11/12

12:00 pm-6:25 pm

1 stop7h 25m

$119

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 17 results
1
2

Compare providers for flights from Madrid to Keflavik Intl

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 Madrid to Keflavik Intl in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*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 Madrid-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 Madrid-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Madrid-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Madrid-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 Madrid-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 Madrid to Keflavik Intl

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

How far ahead should I book a flight from Madrid to Reykjavik Keflavik Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Madrid to Keflavik Intl. Price data was last updated on October 17, 2025.

Booking 75 days in advance of your planned departure date is, on average, the best time to get cheap flights from Madrid to Reykjavik Keflavik Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, March is the cheapest month in which you can book a flight from Madrid to Reykjavik Keflavik Intl Airport (average of $110). Flying from Madrid to Reykjavik Keflavik Intl Airport in August is currently the most expensive (average of $287). 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 MAD to KEF?

Find hourly flight availability from Madrid to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 21, 2025.

When flying from Madrid to Reykjavik Keflavik Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Madrid to Reykjavik Keflavik Intl Airport?

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 October 21, 2025.
Peruse reviews from past customers who have flown with PLAY from Madrid to Reykjavik Keflavik Intl Airport 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

Food

5.5

Entertainment

4.7

Comfort

6.5

Overall

7.0

Boarding

7.3

Crew

8.0

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

Food

5.5

Entertainment

4.7

Comfort

6.5

Overall

7.0

Boarding

7.3

Crew

8.0

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 Madrid 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 Madrid to Reykjavik Keflavik Intl?

    Madrid Barajas (MAD) is the airport you will fly out of if you book a flight from Madrid to Reykjavik Keflavik Intl. You should not have trouble finding flights to Reykjavik Keflavik Intl from Barajas; the airport handles an average of 0 outbound flights to Reykjavik Keflavik Intl per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Madrid airport to Reykjavik Keflavik Intl. It is only a 8.5 mi journey to Barajas (MAD) from Madrid’s city center.

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

    easyJet and KLM can get you from Madrid to Reykjavik Keflavik Intl Airport in just under 14h 05m. Your travel time can differ by up to 11h 20m. Airlines will cover a distance of 1795 mi. This flight may include one or multiple stops.

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

    Currently priced at $163, PLAY will fly you from Madrid to Reykjavik Keflavik Intl Airport and back. In addition to PLAY, many other airlines offer competitively priced options for your trip. PLAY is currently priced 47% below the average price you’ll pay for this route.

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

    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 Madrid to Reykjavik Keflavik Intl Airport on time: Vueling (86%), LATAM Airlines (86%), Iberia (86%).

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

    Looking for the cheapest flight from Madrid to Reykjavik Keflavik Intl Airport? While on average our users pay $399, our data indicates the cheapest price to be $337. The most popular route (Madrid Barajas - Reykjavik Keflavik Intl), is priced around $241.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Madrid to Reykjavik Keflavik Intl Airport (average of $110). Flying from Madrid to Reykjavik Keflavik Intl Airport in August is currently the most expensive (average of $287). 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

Traveling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Keflavik
Hveragerdi

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Top airline flying from Madrid to Keflavik Intl

Discover the top airline that operate flights from Madrid 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 October 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$163Average$237FlexibilityNo cancel feeOn-timeN/A

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