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Cheap flights from Madrid, Spain to San Sebastian from £35

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 23/6. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — EAS
17 May — 24 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Madrid to San Sebastian

Enter your travel dates to find the best prices.

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 17 April 2026.

Wed 27/504:25
MAD
-
EAS
1 stop5h 15m
Multiple Airlines
Wed 3/621:30
EAS
-
MAD
Nonstop1h 10m
Multiple Airlines
Deal found 12/4£73
Sat 9/507:30
MAD
-
EAS
Nonstop1h 10m
Iberia
Sat 9/521:30
EAS
-
MAD
Nonstop1h 10m
Iberia
Deal found 13/4£74
Mon 4/519:40
MAD
-
EAS
Nonstop1h 10m
Iberia
Tue 5/521:30
EAS
-
MAD
Nonstop1h 10m
Iberia
Deal found 15/4£79
Mon 11/507:30
MAD
-
EAS
Nonstop1h 10m
Iberia
Mon 18/521:30
EAS
-
MAD
Nonstop1h 10m
Iberia
Deal found 13/4£100
Thu 5/1107:30
MAD
-
EAS
Nonstop1h 10m
Iberia
Mon 9/1121:30
EAS
-
MAD
Nonstop1h 10m
Iberia
Deal found 13/4£114
Thu 5/1107:30
MAD
-
EAS
Nonstop1h 10m
Multiple Airlines
Thu 5/1118:05
EAS
-
MAD
1 stop4h 35m
Multiple Airlines
Deal found 13/4£128
Thu 5/1107:30
MAD
-
EAS
Nonstop1h 10m
Multiple Airlines
Mon 9/1113:00
EAS
-
MAD
1 stop21h 55m
Multiple Airlines
Deal found 13/4£142
Sat 9/507:30
MAD
-
EAS
Nonstop1h 10m
Multiple Airlines
Sat 9/517:55
EAS
-
MAD
1 stop4h 05m
Multiple Airlines
Deal found 13/4£148

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 17 April 2026.

Round-trip from

£73

One-way from

£35

Popular in

September

Cheapest in

February

Average price

£102
Iberia
  • Iberia
  • 27/5-3/6
  • 1 total stop
  • 6h 25m total
  • Madrid to San Sebastian
Search Deals
Iberia
  • Iberia
  • 23/6
  • Nonstop
  • 1h 10m total
  • Madrid to San Sebastian
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£19 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 17 April 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 return flight

MadridSan Sebastian

MAD - EAS

MADEAS

Madrid Barajas

Wed 27/5

04:25-09:40

1 stop5h 15m

San Sebastián

Wed 3/6

21:30-22:40

Nonstop1h 10m

£73
Fastest return journey

MadridSan Sebastian

MAD - EAS

MADEAS

Madrid Barajas

Sat 9/5

07:30-08:40

Nonstop1h 10m

San Sebastián

Sat 9/5

21:30-22:40

Nonstop1h 10m

£74

MadridSan Sebastian

MAD - EAS

MADEAS

Madrid Barajas

Mon 4/5

19:40-20:50

Nonstop1h 10m

San Sebastián

Tue 5/5

21:30-22:40

Nonstop1h 10m

£79

MadridSan Sebastian

MAD - EAS

MADEAS

Madrid Barajas

Fri 1/5

21:35-08:20

1 stop10h 45m

San Sebastián

Tue 5/5

17:55-22:35

1 stop4h 40m

£183

MadridSan Sebastian

MAD - EAS

MADEAS

Madrid Barajas

Mon 29/6

21:35-08:20

1 stop10h 45m

San Sebastián

Thu 2/7

17:45-22:35

1 stop4h 50m

£193

MadridSan Sebastian

MAD - EAS

MADEAS

Madrid Barajas

Tue 22/9

21:35-08:20

1 stop10h 45m

San Sebastián

Wed 30/9

17:55-22:35

1 stop4h 40m

£204

MadridSan Sebastian

MAD - EAS

MADEAS

Madrid Barajas

Mon 21/9

12:40-17:20

1 stop4h 40m

San Sebastián

Tue 29/9

08:55-13:55

1 stop5h 00m

£221

MadridSan Sebastian

MAD - EAS

MADEAS

Madrid Barajas

Wed 1/7

21:35-08:30

1 stop10h 55m

San Sebastián

Sun 5/7

08:55-19:40

1 stop10h 45m

£231

MadridSan Sebastian

MAD - EAS

MADEAS

Madrid Barajas

Mon 25/5

21:35-08:20

1 stop10h 45m

San Sebastián

Wed 27/5

08:55-15:00

1 stop6h 05m

£238
Cheapest one-way

MadridSan Sebastian

MAD - EAS

MADEAS

Madrid Barajas

Fri 5/6

21:35-08:20

1 stop10h 45m

£86

Flights are sorted by cheapest return flights first.

Deals found on 13/4

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 return 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 return flight from Madrid to San Sebastian. Price data was last updated on 10 April 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 £66). Flying from Madrid to San Sebastian in September is currently the most expensive (average of £154). 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 17 April 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Madrid to San Sebastian as you normally would.

How much does it cost for a return flight 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 17 April 2026.
Read reviews from past customers who have flown with Iberia from Madrid to San Sebastian. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Iberia
7.0
Good
3,182 reviews
Check prices

Crew

7.7

Comfort

6.8

Boarding

7.2

Entertainment

6.6

Food

6.4

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
3,182 reviews
Iberia
7.0
Good
3,182 reviews
Check prices

Crew

7.7

Comfort

6.8

Boarding

7.2

Entertainment

6.6

Food

6.4

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?

    Booking a flight from Madrid Barajas (MAD) to San Sebastián (EAS) is your only option if you wish to fly from Madrid to San Sebastian. On a typical day, there are 21 flights from Barajas to San Sebastián, all of which are around 1h 10m for a nonstop flight. You can also purchase a plane ticket from 1 airline when you book a flight from Barajas to San Sebastian.

  • 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?

    Iberia can get you from Madrid to San Sebastian in just under 1h 10m. Your travel time will be generally consistent. There are 218 mi between Madrid and San Sebastian. Generally, flights for this route are direct.

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

    Our cheapest airline available from Madrid to San Sebastian is Iberia. Our recent data shows that you can find tickets from as low as £49 on this airline. This flight start at 55% lower than the current average price 3 months from now.

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

    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 Madrid to San Sebastian on time: airBaltic (100%), American Airlines (96%), Cathay Pacific (95%).

  • 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 holiday 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 £66). Flying from Madrid to San Sebastian in September is currently the most expensive (average of £154). 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

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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 858,174 searches. Data last updated 17 April 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£49Average£82FlexibilityNo cancel feeOn-time77%
Search Iberia flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Madrid to San Sebastian?

Cheapflights helps you search for flights from Madrid to San Sebastian via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Madrid to San Sebastian?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Madrid to San Sebastian for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Madrid to San Sebastian with no change fees?

Yes, we can. To see specific flights from Madrid to San Sebastian with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Madrid to San Sebastian become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Sebastian from Madrid today and book when prices fit your budget.

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