Madrid

$116+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — MAD
Jul 8 — Jul 151
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

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 July 3, 2025.

Round-trip from

$222
(Iberia Express)

One-way from

$116
(Iberia Express)

Popular in

April

Cheapest in

June

Average price

$330

Good round-trip deal

$211 or less

Good one-way deal

$142 or less
From Reykjavik Keflavik Intl to Madrid Barajas
One-way flight from Reykjavik Keflavik Intl to Madrid Barajas
High demand for flights, 1% potential price rise
Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Reykjavik Keflavik Intl to Madrid Barajas.
Price to beat on a one-way flight from Reykjavik Keflavik Intl to Madrid Barajas.

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 July 3, 2025.

This Iberia Express deal was found by Cheapflights users on 7/1. 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.
Sun 7/61:30 amKEF - MAD
Nonstop4h 25mIberia Express
Sun 7/1310:20 pmMAD - KEF
Nonstop4h 25mIberia Express
Deal found 7/1$216
This Mytrip deal was found by Cheapflights users on 7/1. 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 9/1712:25 amKEF - MAD
2 stops17h 10mMultiple Airlines
Thu 9/259:15 amMAD - KEF
1 stop11h 00mMultiple Airlines
Deal found 7/1$271
This Lufthansa deal was found by Cheapflights users on 7/3. 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.
Mon 7/2112:25 amKEF - MAD
1 stop13h 50mLufthansa
Sat 7/266:20 pmMAD - KEF
1 stop7h 50mLufthansa
Deal found 7/3$359
This Orbitz deal was found by Cheapflights users on 7/3. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/85:10 pmKEF - MAD
1 stop17h 00mScandinavian Airlines
Sat 9/2012:55 pmMAD - KEF
1 stop29h 25mScandinavian Airlines
Deal found 7/3$367
This PLAY deal was found by Cheapflights users on 7/3. 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.
Fri 10/243:30 pmKEF - MAD
Nonstop4h 25mPLAY
Mon 10/2710:15 pmMAD - KEF
Nonstop4h 35mPLAY
Deal found 7/3$381
This SWISS deal was found by Cheapflights users on 7/1. 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.
Fri 8/158:50 amKEF - MAD
2 stops22h 30mSWISS
Fri 8/227:35 pmMAD - KEF
1 stop30h 15mSWISS
Deal found 7/1$418
This Transavia Smart Connect deal was found by Cheapflights users on 7/3. 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.
Sun 7/201:20 amKEF - MAD
1 stop20h 10mTransavia France
Sun 7/276:00 amMAD - KEF
1 stop20h 30mTransavia France
Deal found 7/3$442

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 July 3, 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

Sun 7/20

1:30 am-7:55 am

Nonstop4h 25m

Madrid Barajas

Sun 7/27

10:20 pm-12:45 am

Nonstop4h 25m

$222

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Wed 9/17

12:25 am-7:35 pm

2 stops17h 10m

Madrid Barajas

Thu 9/25

9:15 am-6:15 pm

1 stop11h 00m

$271

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Mon 7/21

12:25 am-4:15 pm

1 stop13h 50m

Madrid Barajas

Sat 7/26

6:20 pm-12:10 am

1 stop7h 50m

$359

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Mon 9/8

5:10 pm-12:10 pm

1 stop17h 00m

Madrid Barajas

Sat 9/20

12:55 pm-4:20 pm

1 stop29h 25m

$367

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Fri 10/24

3:30 pm-9:55 pm

Nonstop4h 25m

Madrid Barajas

Mon 10/27

10:15 pm-1:50 am

Nonstop4h 35m

$381

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Fri 8/15

8:50 am-9:20 am

2 stops22h 30m

Madrid Barajas

Fri 8/22

7:35 pm-11:50 pm

1 stop30h 15m

$418

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Sun 7/20

1:20 am-11:30 pm

1 stop20h 10m

Madrid Barajas

Sun 7/27

6:00 am-12:30 am

1 stop20h 30m

$442

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Tue 7/22

1:30 am-7:55 am

Nonstop4h 25m

$116

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Thu 11/6

6:05 pm-11:35 am

1 stop16h 30m

$119

ReykjavikMadrid

KEF - MAD

KEFMAD

Reykjavik Keflavik Intl

Wed 10/22

9:00 am-10:10 pm

1 stop11h 10m

$122

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 15 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 July 3, 2025.

A simple way to save on the total cost of your ticket is to fly from Reykjavik Keflavik Intl Airport to Madrid at noon. If you’re flexible enough to do this you can expect to save up to 26% on your trip compared to booking a flight in the morning.

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 July 3, 2025.
Peruse reviews from past customers who have flown with Finnair, SWISS, and Transavia France 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.

Boarding

7.6

Entertainment

6.9

Comfort

7.4

Food

6.7

Overall

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Boarding

7.6

Entertainment

6.9

Comfort

7.4

Food

6.7

Overall

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Boarding

7.6

Entertainment

6.9

Comfort

7.4

Food

6.7

Overall

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Boarding

7.6

Entertainment

6.9

Comfort

7.4

Food

6.7

Overall

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Boarding

7.6

Entertainment

6.9

Comfort

7.4

Food

6.7

Overall

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Boarding

7.6

Entertainment

6.9

Comfort

7.4

Food

6.7

Overall

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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.

  • 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 $222. Other airlines that can offer you cheap pricing are Lufthansa, from $359, and Scandinavian Airlines, from $367. Iberia Express is currently priced 28% 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 Iberia Express ($116), easyJet ($119), and Transavia France ($149).

  • 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 (100%), LATAM Airlines (91%), Iberia (91%).

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

    On average you can expect to pay $228 for a flight from Reykjavik Keflavik Intl Airport to Madrid. The cheapest flight overall is $99 while the most popular route, (Reykjavik Keflavik Intl - Madrid Barajas) is currently priced at $339.

  • 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 Reykjavik Keflavik Intl Airport?

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

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.

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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$214Average$307FlexibilityNo cancel feeOn-timeN/A

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.