HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Sebastian

$43+ Cheap flights from Madrid, Spain to San Sebastian (MAD - EAS)

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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — EAS
May 15 — May 221
Fri 5/15
Fri 5/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Madrid to San Sebastian 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.
Cheapflights Tip: The best prices from Madrid Barajas to San Sebastián are usually found in February or January, booked 81 days in advance, depart on a Sunday or Wednesday and return on a Saturday

Cheap flight deals from Madrid to San Sebastian

Cheapest flights from Madrid to San Sebastian
Explore the most affordable flight options available from Madrid to San Sebastian. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2026.

This Expedia deal was found by Cheapflights users on 4/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/77:30 am
MAD
-
EAS
Nonstop1h 10m
Iberia
Sat 7/119:30 pm
EAS
-
MAD
Nonstop1h 10m
Iberia
Deal found 4/14$71
This Kiwi.com deal was found by Cheapflights users on 4/13. 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.
Tue 6/307:30 am
MAD
-
EAS
Nonstop1h 10m
Iberia
Mon 7/69:30 pm
EAS
-
MAD
Nonstop1h 10m
Iberia
Deal found 4/13$77
This Expedia deal was found by Cheapflights users on 4/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:30 am
MAD
-
EAS
Nonstop1h 10m
Iberia
Thu 6/49:20 am
EAS
-
MAD
Nonstop1h 10m
Iberia
Deal found 4/12$89
This Iberia deal was found by Cheapflights users on 4/12. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:30 am
MAD
-
EAS
Nonstop1h 10m
Iberia
Sun 9/69:20 am
EAS
-
MAD
Nonstop1h 10m
Iberia
Deal found 4/12$90
This Booking.com deal was found by Cheapflights users on 4/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:30 am
MAD
-
EAS
Nonstop1h 10m
Iberia
Fri 9/189:30 pm
EAS
-
MAD
Nonstop1h 10m
Iberia
Deal found 4/10$98
This Kiwi.com deal was found by Cheapflights users on 4/13. 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.
Sat 5/97:30 am
MAD
-
EAS
Nonstop1h 10m
Iberia
Tue 5/129:30 pm
EAS
-
MAD
Nonstop1h 10m
Iberia
Deal found 4/13$100
This Iberia deal was found by Cheapflights users on 4/11. 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.
Thu 6/187:30 am
MAD
-
EAS
Nonstop1h 10m
Iberia
Sun 6/219:30 pm
EAS
-
MAD
Nonstop1h 10m
Iberia
Deal found 4/11$101
This Iberia deal was found by Cheapflights users on 4/15. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/157:30 am
MAD
-
EAS
Nonstop1h 10m
Iberia
Wed 6/249:30 pm
EAS
-
MAD
Nonstop1h 10m
Iberia
Deal found 4/15$102
This Kiwi.com deal was found by Cheapflights users on 4/11. 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.
Fri 6/197:30 am
MAD
-
EAS
Nonstop1h 10m
Iberia
Sun 6/219:20 am
EAS
-
MAD
Nonstop1h 10m
Iberia
Deal found 4/11$106
This Kiwi.com deal was found by Cheapflights users on 4/13. 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.
Tue 6/307:30 am
MAD
-
EAS
Nonstop1h 10m
Iberia
Sun 7/59:20 am
EAS
-
MAD
Nonstop1h 10m
Iberia
Deal found 4/13$113

Find flight deals from Madrid to San Sebastian

Discover tips and strategies to find the most affordable flight options for your journey from Madrid (MAD) to San Sebastian (EAS). 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 April 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$71
(Expedia)

One-way from

$43
(Booking.com)

Popular in

September

Cheapest in

February

Average price

$138

Good round-trip deal

$100 or less

Good one-way deal

$70 or less
Provider with most accurate pricing for Madrid Barajas-San Sebastián flight deals.
Search Deals
Provider most trusted by Cheapflights users for Madrid Barajas-San Sebastián flights.
Search Deals
From Madrid Barajas to San Sebastián
Search Deals
One-way flight from Madrid Barajas to San Sebastián
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Madrid Barajas to San Sebastián.
Search Deals
Price to beat on a one-way flight from Madrid Barajas to San Sebastián.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Madrid to San Sebastian 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 April 15, 2026.
Use the filters below to find and compare flights from Madrid to San Sebastian that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

MadridSan Sebastian

MAD - EAS

MADEAS

Madrid Barajas

Mon 6/15

7:30 am-8:40 am

Nonstop1h 10m

San Sebastián

Wed 6/24

9:30 pm-10:40 pm

Nonstop1h 10m

$102

MadridSan Sebastian

MAD - EAS

MADEAS

Madrid Barajas

Sat 5/9

12:25 pm-8:20 am

3 stops19h 55m

San Sebastián

Tue 5/12

5:55 pm-9:10 am

2 stops15h 15m

$222

MadridSan Sebastian

MAD - EAS

MADEAS

Madrid Barajas

Sat 9/19

7:30 am-8:40 am

Nonstop1h 10m

San Sebastián

Mon 9/28

9:30 pm-10:40 pm

Nonstop1h 10m

$225

MadridSan Sebastian

MAD - EAS

MADEAS

Madrid Barajas

Sun 5/10

7:30 am-8:40 am

Nonstop1h 10m

San Sebastián

Sun 5/17

9:30 pm-10:40 pm

Nonstop1h 10m

$236

MadridSan Sebastian

MAD - EAS

MADEAS

Madrid Barajas

Fri 5/1

9:35 pm-8:20 am

1 stop10h 45m

San Sebastián

Tue 5/5

5:55 pm-10:35 pm

1 stop4h 40m

$248

MadridSan Sebastian

MAD - EAS

MADEAS

Madrid Barajas

Mon 6/29

9:35 pm-8:20 am

1 stop10h 45m

San Sebastián

Thu 7/2

5:45 pm-10:35 pm

1 stop4h 50m

$261

MadridSan Sebastian

MAD - EAS

MADEAS

Madrid Barajas

Fri 5/29

6:00 pm-9:45 am

2 stops15h 45m

San Sebastián

Fri 6/5

8:55 am-11:40 am

2 stops26h 45m

$266

MadridSan Sebastian

MAD - EAS

MADEAS

Madrid Barajas

Tue 9/22

9:35 pm-8:20 am

1 stop10h 45m

San Sebastián

Wed 9/30

5:55 pm-10:35 pm

1 stop4h 40m

$276

MadridSan Sebastian

MAD - EAS

MADEAS

Madrid Barajas

Tue 4/28

9:35 pm-8:20 am

1 stop10h 45m

San Sebastián

Sat 5/2

5:55 pm-10:35 pm

1 stop4h 40m

$280

MadridSan Sebastian

MAD - EAS

MADEAS

Madrid Barajas

Sun 7/12

9:55 am-8:20 am

2 stops22h 25m

San Sebastián

Thu 7/16

11:10 am-6:15 pm

1 stop7h 05m

$280

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/13

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3
  • Most accurate provider: When it comes to deals on Madrid-San Sebastian flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Madrid-San Sebastian flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Madrid-San Sebastian flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Madrid-San Sebastian 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 Madrid-San Sebastian 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 Madrid to San Sebastian

Have a flexible travel schedule? Discover the best time to fly to San Sebastian 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 San Sebastian

How far ahead should I book a flight from Madrid to San Sebastian?

Use this chart to determine the optimal time to book a round-trip flight from Madrid to San Sebastian. Price data was last updated on April 10, 2026.

Booking 80 days in advance of your planned departure date is, on average, the best time to get cheap flights from Madrid to San Sebastian. 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 San Sebastian?

Currently, February is the cheapest month in which you can book a flight from Madrid to San Sebastian (average of $43). Flying from Madrid to San Sebastian in August is currently the most expensive (average of $66). 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 EAS?

Find hourly flight availability from Madrid to San Sebastian. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 15, 2026.

When flying from Madrid to San Sebastian, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Madrid to San Sebastian?

Reviews of airlines servicing San Sebastian

Get insights into the airlines that provide service to San Sebastian. 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 San Sebastian. Reviews last updated April 15, 2026.
See what other customers who have flown with Iberia from Madrid to San Sebastian have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Iberia
7.0
Good
3,180 reviews

Food

6.4

Comfort

6.8

Entertainment

6.6

Crew

7.7

Boarding

7.2

Overall

7.0

Reviews

1 / 20
10.0
Excellent

Sylvie,Dec 2025

MAD - DSS

No space ,no confortable, and not organised at all àd very tiring and I booked my seat in advance
Iberia
7.0
Good
3,180 reviews
Iberia
7.0
Good
3,180 reviews

Food

6.4

Comfort

6.8

Entertainment

6.6

Crew

7.7

Boarding

7.2

Overall

7.0

Reviews

1 / 20
10.0
Excellent

Sylvie,Dec 2025

MAD - DSS

No space ,no confortable, and not organised at all àd very tiring and I booked my seat in advance

Related info for your journey

Find useful and relevant information for your journey from Madrid to San Sebastian. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Madrid to San Sebastian?

    If you wish to fly to San Sebastian from Madrid, then you need to book flights from Madrid Barajas to San Sebastián. There are 21 flights from Barajas (MAD) to San Sebastián (EAS) per day to choose from. Flights to San Sebastian from Barajas are available from 1 airline, which means you should have some options if you want to compare airfare deals. 1h 10m is how long a nonstop flight from Madrid to San Sebastián typically takes.

  • How popular is this Madrid to San Sebastian flight route?

    This flight path from Madrid Barajas to San Sebastián was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Madrid to San Sebastian?

    Airlines like Iberia fly from Madrid to San Sebastian in about 1h 10m. The time it takes to get you to your destination is usually consistent. There are 218 mi between Madrid and San Sebastian. Generally, flights for this route are nonstop.

  • What is the cheapest airline to fly from Madrid to San Sebastian round-trip?

    According to our current data, Iberia ($69), offers the cheapest pricing from Madrid to San Sebastian. Iberia is currently priced 54% below the average price you’ll pay for this route.

  • What are the most reliable airlines from Madrid to San Sebastian?

    Before booking your flight to San Sebastian from Madrid, check out the most reliable airlines to get you to your destination on time: airBaltic (97%), Royal Air Maroc (95%), LATAM Airlines( 95%).

  • What are the cheapest flights from Madrid to San Sebastian?

    The cheapest flight price from Madrid to San Sebastian is $45. On average you can expect to pay $145. The most popular route, (Madrid Barajas - San Sebastián), can usually be booked for $102.

  • Can I find deals for flights from Madrid to San Sebastian that include hotel bookings?

    Yes. In addition to deals on Madrid to San Sebastian flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Madrid to San Sebastian?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Madrid to San Sebastian.

  • Can I find deals for business class flights from Madrid to San Sebastian?

    Yes. Cheapflights offers flight deals from Madrid to San Sebastian 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 San Sebastian?

    Currently, February is the cheapest month in which you can book a flight from Madrid to San Sebastian (average of $43). Flying from Madrid to San Sebastian in August is currently the most expensive (average of $66). 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

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.

Alternative routes for Madrid to San Sebastian

See prices for flight routes from nearby airports that may be better suited for you.
Madrid to Bilbao flights

Top airline flying from Madrid to San Sebastian

Discover the top airline that operate flights from Madrid to San Sebastian. 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 April 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$69Average$155FlexibilityNo cancel feeOn-time77%

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.