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$64+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — MAD
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 September 15, 2025.

Round-trip from

$178
(Iberia Express)

One-way from

$64
(Connections by easyJet)

Popular in

April

Cheapest in

June

Average price

$321

Good round-trip deal

$357 or less

Good one-way deal

$125 or less
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, 6% 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 September 2025
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Price to beat on a round-trip flight from Reykjavik Keflavik Intl to Madrid Barajas.
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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 September 15, 2025.

This Iberia Express deal was found by Cheapflights users on 9/14. 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 Iberia Express is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/11:30 amKEF - MAD
Nonstop4h 25mIberia Express
Wed 10/810:20 pmMAD - KEF
Nonstop4h 25mIberia Express
Deal found 9/14$178
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Wed 10/11:30 amKEF - MAD
Nonstop4h 25mMultiple Airlines
Wed 10/88:50 amMAD - KEF
2 stops13h 25mMultiple Airlines
Deal found 9/14$256
This Trip.com deal was found by Cheapflights users on 9/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/221:30 amKEF - MAD
Nonstop4h 25mMultiple Airlines
Fri 10/2410:55 pmMAD - KEF
Nonstop4h 30mMultiple Airlines
Deal found 9/15$262
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Sat 10/47:25 pmKEF - MAD
2 stops26h 30mMultiple Airlines
Sat 10/112:45 pmMAD - KEF
1 stop20h 00mMultiple Airlines
Deal found 9/15$310

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 September 15, 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

Wed 10/1

1:30 am-7:55 am

Nonstop4h 25m

Madrid Barajas

Wed 10/8

10:20 pm-12:45 am

Nonstop4h 25m

$178

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Wed 10/1

1:30 am-7:55 am

Nonstop4h 25m

Madrid Barajas

Wed 10/8

8:50 am-8:15 pm

2 stops13h 25m

$256

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Wed 10/22

1:30 am-7:55 am

Nonstop4h 25m

Madrid Barajas

Fri 10/24

10:55 pm-1:25 am

Nonstop4h 30m

$262

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Sat 10/4

7:25 pm-11:55 pm

2 stops26h 30m

Madrid Barajas

Sat 10/11

2:45 pm-8:45 am

1 stop20h 00m

$310

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Fri 10/3

8:35 am-10:30 pm

2 stops35h 55m

Madrid Barajas

Sat 10/11

2:45 pm-8:45 am

1 stop20h 00m

$372

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Tue 12/2

6:35 pm-9:55 am

1 stop14h 20m

$64

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Wed 10/1

1:30 am-7:55 am

Nonstop4h 25m

$92

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Sat 11/8

6:05 pm-8:15 am

1 stop13h 10m

$99

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Wed 10/8

1:30 am-7:55 am

Nonstop4h 25m

$104

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Mon 11/3

8:05 pm-10:15 am

1 stop13h 10m

$126

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 16 results
1
2

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, November is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to Madrid (average of $543). Flying from Reykjavik Keflavik Intl Airport to Madrid in June is currently the most expensive (average of $1,054). 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 September 15, 2025.

A simple way to save on the total cost of your ticket is to fly from Reykjavik Keflavik Intl Airport to Madrid in the morning. If you’re flexible enough to do this you can expect to save up to 11% on your trip compared to booking a flight at noon.

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

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 September 15, 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
103 reviews

Crew

8.0

Comfort

6.5

Overall

7.0

Entertainment

4.7

Boarding

7.3

Food

5.5

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

Crew

8.0

Comfort

6.5

Overall

7.0

Entertainment

4.7

Boarding

7.3

Food

5.5

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 1 inbound flight 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 Iberia Express fly from Reykjavik Keflavik Intl Airport to Madrid in about 4h 25m. The time it takes to get you to your destination is usually consistent. The distance from Reykjavik Keflavik Intl Airport to Madrid is about 1795 mi. All flights are typically nonstop.

  • 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 34% below the average price you’ll pay for this route.

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

    The cheapest airlines for a one-way flight from Reykjavik Keflavik Intl Airport to Madrid are easyJet ($64), Iberia Express ($92), and Transavia France ($99).

  • 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: Vueling (97%), LATAM Airlines (97%), Iberia (97%).

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

    On average you can expect to pay $291 for a flight from Reykjavik Keflavik Intl Airport to Madrid. The cheapest flight overall is $115 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, November is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to Madrid (average of $543). Flying from Reykjavik Keflavik Intl Airport to Madrid in June is currently the most expensive (average of $1,054). 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 Madrid?

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Fuenlabrada
Getafe

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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$214Average$337FlexibilityNo cancel feeOn-timeN/A

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