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Keflavik Intl

$85+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — KEF
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from Madrid Barajas to Reykjavik Keflavik Intl are usually found in January or May, booked 90 days in advance, depart on a Monday or Thursday and return on a Wednesday

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 agosto 14, 2025.

Round-trip from

$207
(Connections by easyJet)

One-way from

$85
(Iberia Express)

Popular in

August

Cheapest in

January

Average price

$517

Good round-trip deal

$310 or less

Good one-way deal

$380 or less
From Madrid Barajas to Reykjavik Keflavik Intl
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One-way flight from Madrid Barajas to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 24% potential increase in price ($95 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Madrid Barajas to Reykjavik Keflavik Intl.
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Price to beat on a one-way flight from Madrid Barajas to Reykjavik Keflavik Intl.
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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 agosto 14, 2025.

This Connections by easyJet deal was found by Cheapflights users on 8/14. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/312:00 pmMAD - KEF
1 stop7h 25measyJet
dom. 12/710:15 amKEF - MAD
1 stop9h 40measyJet
Deal found 8/14$207
This PLAY deal was found by Cheapflights users on 8/13. 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 PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/810:15 pmMAD - KEF
Nonstop4h 35mPLAY
vie. 12/193:50 pmKEF - MAD
Nonstop4h 25mPLAY
Deal found 8/13$209
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
mar. 9/1610:20 pmMAD - KEF
Nonstop4h 25mMultiple Airlines
mar. 9/235:40 pmKEF - MAD
2 stops19h 50mMultiple Airlines
Deal found 8/14$212
This Connections by easyJet deal was found by Cheapflights users on 8/13. 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.
lun. 11/310:30 amMAD - KEF
1 stop9h 15measyJet
vie. 11/79:50 amKEF - MAD
1 stop9h 45measyJet
Deal found 8/13$214
This Connections by easyJet deal was found by Cheapflights users on 8/13. 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.
vie. 12/59:10 pmMAD - KEF
1 stop24h 10measyJet
dom. 12/710:15 amKEF - MAD
1 stop9h 40measyJet
Deal found 8/13$215
This Connections by easyJet deal was found by Cheapflights users on 8/12. 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.
jue. 11/279:15 pmMAD - KEF
1 stop22h 05measyJet
dom. 11/307:30 pmKEF - MAD
1 stop13h 25measyJet
Deal found 8/12$221
This PLAY deal was found by Cheapflights users on 8/14. 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 PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/1710:15 pmMAD - KEF
Nonstop4h 35mPLAY
lun. 11/243:50 pmKEF - MAD
Nonstop4h 25mPLAY
Deal found 8/14$224
This Connections by easyJet deal was found by Cheapflights users on 8/13. 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.
jue. 11/139:15 pmMAD - KEF
1 stop22h 05measyJet
dom. 11/1610:15 amKEF - MAD
1 stop9h 40measyJet
Deal found 8/13$226
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
mar. 9/1610:20 pmMAD - KEF
Nonstop4h 25mMultiple Airlines
sáb. 9/207:25 pmKEF - MAD
2 stops35h 05mMultiple Airlines
Deal found 8/13$230
This KLM deal was found by Cheapflights users on 8/13. 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.
mié. 10/88:25 pmMAD - KEF
1 stop14h 45mKLM
mié. 10/157:50 pmKEF - MAD
1 stop11h 45mKLM
Deal found 8/13$233

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 agosto 14, 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

mié. 12/3

12:00 pm-6:25 pm

1 stop7h 25m

Reykjavik Keflavik Intl

dom. 12/7

10:15 am-8:55 pm

1 stop9h 40m

$207

MadridReykjavik

MAD - KEF

MADKEF

Madrid Barajas

vie. 12/19

9:10 pm-8:20 pm

1 stop24h 10m

Reykjavik Keflavik Intl

vie. 1/9

9:50 am-8:35 pm

1 stop9h 45m

$209

MadridReykjavik

MAD - KEF

MADKEF

Madrid Barajas

jue. 11/27

9:15 pm-6:20 pm

1 stop22h 05m

Reykjavik Keflavik Intl

dom. 11/30

7:30 pm-9:55 am

1 stop13h 25m

$214

MadridReykjavik

MAD - KEF

MADKEF

Madrid Barajas

lun. 11/3

10:30 am-6:45 pm

1 stop9h 15m

Reykjavik Keflavik Intl

vie. 11/7

9:50 am-8:35 pm

1 stop9h 45m

$214

MadridReykjavik

MAD - KEF

MADKEF

Madrid Barajas

vie. 12/5

9:10 pm-8:20 pm

1 stop24h 10m

Reykjavik Keflavik Intl

dom. 12/7

10:15 am-8:55 pm

1 stop9h 40m

$215

MadridReykjavik

MAD - KEF

MADKEF

Madrid Barajas

lun. 11/17

10:15 pm-1:50 am

Nonstop4h 35m

Reykjavik Keflavik Intl

lun. 11/24

3:50 pm-9:15 pm

Nonstop4h 25m

$224

MadridReykjavik

MAD - KEF

MADKEF

Madrid Barajas

jue. 11/13

9:15 pm-6:20 pm

1 stop22h 05m

Reykjavik Keflavik Intl

dom. 11/16

10:15 am-8:55 pm

1 stop9h 40m

$226

MadridReykjavik

MAD - KEF

MADKEF

Madrid Barajas

mar. 9/16

10:20 pm-12:45 am

Nonstop4h 25m

Reykjavik Keflavik Intl

mar. 9/23

5:40 pm-7:30 pm

1 stop23h 50m

$228

MadridReykjavik

MAD - KEF

MADKEF

Madrid Barajas

mié. 10/8

8:25 pm-9:10 am

1 stop14h 45m

Reykjavik Keflavik Intl

mié. 10/15

7:50 pm-9:35 am

1 stop11h 45m

$233

MadridReykjavik

MAD - KEF

MADKEF

Madrid Barajas

vie. 12/19

10:15 pm-1:50 am

Nonstop4h 35m

Reykjavik Keflavik Intl

vie. 1/9

3:50 pm-9:15 pm

Nonstop4h 25m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 20 results
1
2

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 August 8, 2025.

Booking 89 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, November is the cheapest month in which you can book a flight from Madrid to Reykjavik Keflavik Intl Airport (average of $328). Flying from Madrid to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $655). 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 agosto 14, 2025.

It’s optimal to fly from Madrid to Reykjavik Keflavik Intl Airport at noon. By choosing this option you can save up to 38% on the cost of your flight, compared to a flight in the morning.

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 agosto 14, 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
103 reviews

Boarding

7.3

Comfort

6.5

Entertainment

4.7

Food

5.5

Overall

7.0

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
103 reviews
PLAY
7.0
Good
103 reviews

Boarding

7.3

Comfort

6.5

Entertainment

4.7

Food

5.5

Overall

7.0

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 1 outbound flight 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.

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

    Currently priced at $158, 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 45% 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: PLAY (100%), Vueling (86%), LATAM Airlines (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 $484, our data indicates the cheapest price to be $197. The most popular route (Madrid Barajas - Reykjavik Keflavik Intl), is priced around $332.

  • 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, November is the cheapest month in which you can book a flight from Madrid to Reykjavik Keflavik Intl Airport (average of $328). Flying from Madrid to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $655). 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 agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$158Average$232FlexibilityNo cancel feeOn-timeN/A

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