HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Madrid

$134+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — MAD
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Keflavik Intl to Madrid with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 January 29, 2026.

This Connections by easyJet deal was found by Cheapflights users on 1/27. 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.
Tue 3/176:35 pm
KEF
-
MAD
1 stop14h 20m
easyJet
Tue 3/247:35 pm
MAD
-
KEF
1 stop22h 40m
easyJet
Deal found 1/27$171
This WAYA deal was found by Cheapflights users on 1/27. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1910:05 am
KEF
-
MAD
1 stop7h 55m
Multiple Airlines
Wed 3/2512:00 pm
MAD
-
KEF
1 stop7h 25m
Multiple Airlines
Deal found 1/27$195
This Mytrip deal was found by Cheapflights users on 1/27. 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.
Fri 3/137:40 pm
KEF
-
MAD
2 stops20h 45m
Multiple Airlines
Fri 3/2010:35 pm
MAD
-
KEF
2 stops21h 00m
Multiple Airlines
Deal found 1/27$241
This Mytrip deal was found by Cheapflights users on 1/27. 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 3/1410:20 am
KEF
-
MAD
2 stops23h 50m
Multiple Airlines
Sat 3/2110:40 pm
MAD
-
KEF
2 stops21h 55m
Multiple Airlines
Deal found 1/27$242
This Mytrip deal was found by Cheapflights users on 1/27. 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.
Fri 5/1510:45 am
KEF
-
MAD
1 stop12h 00m
Multiple Airlines
Sat 5/239:55 am
MAD
-
KEF
1 stop10h 25m
Multiple Airlines
Deal found 1/27$255
This Mytrip deal was found by Cheapflights users on 1/28. 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.
Sun 3/2212:55 am
KEF
-
MAD
2 stops22h 35m
Multiple Airlines
Tue 3/319:55 am
MAD
-
KEF
1 stop10h 25m
Multiple Airlines
Deal found 1/28$299

Find 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$171
(Connections by easyJet)

One-way from

$134
(Connections by easyJet)

Popular in

April

Cheapest in

June

Average price

$214
Provider with most accurate pricing for Reykjavik Keflavik Intl-Madrid Barajas flight deals.
Search Deals
Provider most trusted by Cheapflights users for Reykjavik Keflavik Intl-Madrid Barajas flights.
Search Deals
From Reykjavik Keflavik Intl to Madrid Barajas
Search Deals
One-way flight from Reykjavik Keflavik Intl to Madrid Barajas
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
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

Tue 3/17

6:35 pm-9:55 am

1 stop14h 20m

Madrid Barajas

Tue 3/24

7:35 pm-5:15 pm

1 stop22h 40m

$171

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Thu 3/19

10:05 am-7:00 pm

1 stop7h 55m

Madrid Barajas

Wed 3/25

7:40 am-6:25 pm

2 stops11h 45m

$212

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Fri 3/13

7:40 pm-5:25 pm

2 stops20h 45m

Madrid Barajas

Fri 3/20

10:35 pm-6:35 pm

2 stops21h 00m

$241

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Sat 3/14

10:20 am-11:10 am

2 stops23h 50m

Madrid Barajas

Sat 3/21

10:40 pm-7:35 pm

2 stops21h 55m

$242

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Sun 3/22

12:55 am-12:30 am

2 stops22h 35m

Madrid Barajas

Tue 3/31

9:55 am-6:20 pm

1 stop10h 25m

$299

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Wed 5/20

5:05 pm-12:05 pm

1 stop17h 00m

Madrid Barajas

Sun 5/24

12:50 pm-10:25 am

2 stops23h 35m

$340

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Fri 5/15

10:45 am-12:45 am

1 stop12h 00m

Madrid Barajas

Sat 5/23

10:45 am-5:50 pm

3 stops33h 05m

$343

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Tue 2/10

6:30 pm-11:20 am

1 stop15h 50m

$134

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Mon 3/23

7:35 pm-9:45 am

1 stop13h 10m

$149

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Wed 2/25

12:55 am-6:20 pm

1 stop16h 25m

$153

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 14 results
1
2
  • Most accurate provider: When it comes to deals on Reykjavik Keflavik Intl Airport-Madrid flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Reykjavik Keflavik Intl Airport-Madrid flight deals on Cheapflights vs. FlightHub >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 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 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 December is currently the most expensive (average of $338). 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.

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 0 airlines. 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 easyJet fly from Reykjavik Keflavik Intl Airport to Madrid in about 14h 20m. The time it takes to get you to your destination can typically vary by up to . The distance from Reykjavik Keflavik Intl Airport to Madrid is about 1795 mi.

  • 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 December is currently the most expensive (average of $338). 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?

Book flights to Madrid if you plan to visit one of these locations
Getafe

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.