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$99+ 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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — MAD
may. 4 — may. 111
dom. 5/4
dom. 5/11
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 abril 29, 2025.

Most accurate provider

Flightnetwork
3 stars

Most trusted provider

Flightnetwork
3 stars

Round-trip from

$285
(Mytrip)

One-way from

$99
(Iberia Express)

Popular in

November

Cheapest in

May

Average price

$314

Good round-trip deal

$193 or less

Good one-way deal

$464 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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One-way flight from Reykjavik Keflavik Intl to Madrid Barajas
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Highest demand for flights based on searches. 20% potential increase in price ($72 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in April 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 abril 29, 2025.

This Iberia Express deal was found by Cheapflights users on 4/29. 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.
mié. 5/71:30 amKEF - MAD
Nonstop4h 25mIberia Express
mié. 5/1410:20 pmMAD - KEF
Nonstop4h 25mIberia Express
Deal found 4/29$170
This Mytrip deal was found by Cheapflights users on 4/29. 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.
mié. 5/288:05 amKEF - MAD
1 stop14h 30mMultiple Airlines
mar. 6/310:45 pmMAD - KEF
1 stop11h 35mMultiple Airlines
Deal found 4/29$285
This Mytrip deal was found by Cheapflights users on 4/29. 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.
jue. 6/56:55 pmKEF - MAD
1 stop12h 05mWizz Air
dom. 6/89:15 amMAD - KEF
1 stop11h 00mWizz Air
Deal found 4/29$294
This Trip.com deal was found by Cheapflights users on 4/29. 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.
lun. 9/15:10 pmKEF - MAD
1 stop17h 00mScandinavian Airlines
dom. 9/216:35 pmMAD - KEF
1 stop16h 55mScandinavian Airlines
Deal found 4/29$377
This Mytrip deal was found by Cheapflights users on 4/29. 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.
mar. 5/2712:45 amKEF - MAD
1 stop11h 50mLOT
mar. 6/33:30 pmMAD - KEF
1 stop10h 25mLOT
Deal found 4/29$398
This Lufthansa deal was found by Cheapflights users on 4/29. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/712:25 amKEF - MAD
2 stops11h 45mLufthansa
mié. 5/147:10 amMAD - KEF
2 stops27h 10mLufthansa
Deal found 4/29$433
This Iberia deal was found by Cheapflights users on 4/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/211:30 amKEF - MAD
Nonstop4h 25mIberia
sáb. 5/3110:20 pmMAD - KEF
Nonstop4h 25mIberia
Deal found 4/29$435
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
vie. 7/43:30 pmKEF - MAD
Nonstop4h 25mPLAY
mié. 7/3010:35 pmMAD - KEF
Nonstop4h 30mPLAY
Deal found 4/29$462
This Connections by easyJet deal was found by Cheapflights users on 4/29. 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.
sáb. 7/512:15 amKEF - MAD
1 stop14h 00measyJet
mar. 7/296:35 pmMAD - KEF
1 stop14h 50measyJet
Deal found 4/29$565
This British Airways deal was found by Cheapflights users on 4/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/110:30 amKEF - MAD
1 stop9h 40mBritish Airways
mié. 5/79:30 amMAD - KEF
1 stop26h 10mBritish Airways
Deal found 4/29$631
This Finnair deal was found by Cheapflights users on 4/29. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/35:15 pmKEF - MAD
1 stop24h 50mFinnair
dom. 7/277:10 amMAD - KEF
2 stops26h 50mFinnair
Deal found 4/29$640
This SWISS deal was found by Cheapflights users on 4/29. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/612:45 amKEF - MAD
1 stop16h 00mSWISS
jue. 7/3110:05 amMAD - KEF
1 stop24h 10mSWISS
Deal found 4/29$775

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 abril 29, 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

mié. 5/28

8:05 am-12:35 am

1 stop14h 30m

Madrid Barajas

mar. 6/3

10:45 pm-8:20 am

1 stop11h 35m

$285

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

jue. 6/5

6:55 pm-9:00 am

1 stop12h 05m

Madrid Barajas

dom. 6/8

9:15 am-6:15 pm

1 stop11h 00m

$294

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

lun. 9/1

5:10 pm-12:10 pm

1 stop17h 00m

Madrid Barajas

dom. 9/21

6:35 pm-9:30 am

1 stop16h 55m

$377

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

mar. 5/27

12:45 am-2:35 pm

1 stop11h 50m

Madrid Barajas

mar. 6/3

3:30 pm-11:55 pm

1 stop10h 25m

$398

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

mié. 5/21

1:30 am-7:55 am

Nonstop4h 25m

Madrid Barajas

sáb. 5/31

10:20 pm-12:45 am

Nonstop4h 25m

$435

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

lun. 7/7

12:25 am-7:50 pm

1 stop17h 25m

Madrid Barajas

lun. 7/28

11:45 am-8:35 am

2 stops22h 50m

$460

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

vie. 7/4

3:30 pm-9:55 pm

Nonstop4h 25m

Madrid Barajas

mié. 7/30

10:35 pm-1:05 am

Nonstop4h 30m

$462

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

mar. 7/8

1:30 am-7:55 am

Nonstop4h 25m

Madrid Barajas

mar. 7/29

10:20 pm-12:45 am

Nonstop4h 25m

$524

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

sáb. 7/5

12:15 am-4:15 pm

1 stop14h 00m

Madrid Barajas

mar. 7/29

6:35 pm-7:25 am

1 stop14h 50m

$565

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

jue. 7/3

5:15 pm-8:05 pm

1 stop24h 50m

Madrid Barajas

sáb. 7/26

9:35 pm-8:00 am

2 stops36h 25m

$640

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 27 results
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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 April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
FlightnetworkPrice 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 Reykjavik Keflavik Intl Airport-Madrid flights, users find the pricing of Flightnetwork to be most consistent on Cheapflights vs. Flightnetwork Users can find the same prices on Reykjavik Keflavik Intl Airport-Madrid flight deals on Cheapflights vs. Flightnetwork >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 Flightnetwork the most. Flightnetwork 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, 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 $1,086). 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 abril 29, 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 21% on your trip compared to booking a flight at noon.

Rainfall in Madrid by month

Plan your trip to Madrid by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Madrid ranges from 0.4 - 2.4 inches per month. November is typically the wettest month, when rainfall can reach 2.4 in. July is typically the driest time to visit Madrid when rainfall is around 0.4 in.

Temperature in Madrid by month

Plan your trip to Madrid by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Madrid, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 abril 29, 2025.
See what other customers who have flown with LOT, Finnair and Austrian Airlines from Reykjavik to Madrid have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
LOT
7.6
Good
1,069 reviews

Boarding

7.6

Crew

8.1

Entertainment

7.0

Overall

7.6

Food

7.2

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
LOT
7.6
Good
1,069 reviews
LOT
7.6
Good
1,069 reviews

Boarding

7.6

Crew

8.1

Entertainment

7.0

Overall

7.6

Food

7.2

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
Finnair
7.6
Good
1,275 reviews
LOT
7.6
Good
1,069 reviews

Boarding

7.6

Crew

8.1

Entertainment

7.0

Overall

7.6

Food

7.2

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
Austrian Airlines
7.6
Good
780 reviews
LOT
7.6
Good
1,069 reviews

Boarding

7.6

Crew

8.1

Entertainment

7.0

Overall

7.6

Food

7.2

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
SWISS
7.5
Good
1,588 reviews
LOT
7.6
Good
1,069 reviews

Boarding

7.6

Crew

8.1

Entertainment

7.0

Overall

7.6

Food

7.2

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
Turkish Airlines
7.3
Good
3,788 reviews
LOT
7.6
Good
1,069 reviews

Boarding

7.6

Crew

8.1

Entertainment

7.0

Overall

7.6

Food

7.2

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.

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.

  • What are the cheapest airlines flying from Reykjavik Keflavik Intl Airport to Madrid round-trip?

    Cheapflights users have booked flights from Reykjavik Keflavik Intl Airport to Madrid round-trip from $294. Other airlines that can offer you cheap pricing are Scandinavian Airlines, from $377, and LOT, from $398.

  • 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 Iberia Express ($99), Wizz Air ($120), and easyJet ($165).

  • 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 (86%), LATAM Airlines (75%), Iberia (75%).

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

    On average you can expect to pay $411 for a flight from Reykjavik Keflavik Intl Airport to Madrid. The cheapest flight overall is $193 while the most popular route, (Reykjavik Keflavik Intl - Madrid Barajas) is currently priced at $520.

  • 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 $1,086). 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
Segovia
Fuenlabrada

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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 abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$214Average$339FlexibilityNo cancel feeOn-timeN/A

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