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Cheap flights from Madrid, Spain to San Sebastian from £36

MAD — EAS
1 Oct — 8 Oct1
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

Wed 14/1007:30 -
Nonstop1h 10m
Sat 17/1021:30 -
Nonstop1h 10m
Deal found 28/8£58
Fri 16/1007:30 -
Nonstop1h 10m
Mon 19/1021:30 -
Nonstop1h 10m
Deal found 1/9£58
Wed 14/1020:05 -
2 stops12h 30m
Sat 17/1021:30 -
Nonstop1h 10m
Deal found 28/8£97
Fri 16/1020:35 -
1 stop11h 45m
Mon 19/1021:30 -
Nonstop1h 10m
Deal found 31/8£110
Wed 16/916:25 -
Nonstop1h 10m
Fri 18/921:30 -
Nonstop1h 10m
Deal found 30/8£117
Thu 17/907:30 -
Nonstop1h 10m
Fri 18/921:30 -
Nonstop1h 10m
Deal found 30/8£121
Sat 17/1008:25 -
1 stop8h 55m
Tue 20/1021:30 -
Nonstop1h 10m
Deal found 30/8£145

Find flight deals from Madrid to San Sebastian

Round-trip from

£58

One-way from

£36

Popular in

September

Cheapest in

February

Average price

£149
Iberia
  • Iberia
  • 17/10-20/10
  • Nonstop
  • 2h 20m total
  • Madrid to San Sebastian
Search Deals
Iberia
  • Iberia
  • 17/9
  • Nonstop
  • 1h 10m total
  • Madrid to San Sebastian
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£18 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
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
Fastest return journey

MadridSan Sebastian

MAD Madrid Barajas - EAS San Sebastián

MADEAS

Madrid Barajas

Fri 16/10

07:30-08:40

Nonstop1h 10m

San Sebastián

Mon 19/10

21:30-22:40

Nonstop1h 10m

£58

MadridSan Sebastian

MAD Madrid Barajas - EAS San Sebastián

MADEAS

Madrid Barajas

Fri 16/10

20:35-08:20

1 stop11h 45m

San Sebastián

Mon 19/10

21:30-22:40

Nonstop1h 10m

£117

MadridSan Sebastian

MAD Madrid Barajas - EAS San Sebastián

MADEAS

Madrid Barajas

Wed 16/9

16:25-17:35

Nonstop1h 10m

San Sebastián

Fri 18/9

21:30-22:40

Nonstop1h 10m

£117

MadridSan Sebastian

MAD Madrid Barajas - EAS San Sebastián

MADEAS

Madrid Barajas

Fri 12/2

06:40-13:35

1 stop6h 55m

San Sebastián

Mon 15/2

14:10-22:40

1 stop8h 30m

£147

MadridSan Sebastian

MAD Madrid Barajas - EAS San Sebastián

MADEAS

Madrid Barajas

Fri 27/11

06:40-13:35

1 stop6h 55m

San Sebastián

Sun 29/11

18:10-22:40

1 stop4h 30m

£164

MadridSan Sebastian

MAD Madrid Barajas - EAS San Sebastián

MADEAS

Madrid Barajas

Fri 16/10

21:35-08:20

1 stop10h 45m

San Sebastián

Sat 17/10

17:55-21:40

1 stop3h 45m

£165

MadridSan Sebastian

MAD Madrid Barajas - EAS San Sebastián

MADEAS

Madrid Barajas

Wed 16/9

19:20-08:35

2 stops13h 15m

San Sebastián

Fri 18/9

21:30-22:40

Nonstop1h 10m

£201

MadridSan Sebastian

MAD Madrid Barajas - EAS San Sebastián

MADEAS

Madrid Barajas

Fri 16/10

21:35-08:20

1 stop10h 45m

San Sebastián

Sun 18/10

08:55-13:30

1 stop4h 35m

£210

MadridSan Sebastian

MAD Madrid Barajas - EAS San Sebastián

MADEAS

Madrid Barajas

Mon 12/10

20:40-08:20

1 stop11h 40m

San Sebastián

Mon 19/10

08:55-20:00

1 stop11h 05m

£220
Cheapest one-way

MadridSan Sebastian

MAD Madrid Barajas - EAS San Sebastián

MADEAS

Madrid Barajas

Wed 16/12

06:40-13:35

1 stop6h 55m

£70

Flights are sorted by cheapest return flights first.

Deals found on 30/8

Showing 1-10 of 21 resultsSorted by cheapest first
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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

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?

Booking 79 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 £149). 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?

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?

Airfare is below average for this route at the moment.

Madrid to San Sebastian flights typically cost between £87 and £213 in October.
The cheapest return price found within the last 5 days was £58 on Iberia (14 Oct–17 Oct).

Reviews of airlines servicing San Sebastian

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
3,245 reviews
Check prices

Entertainment

6.6

Boarding

7.1

Comfort

6.7

Crew

7.7

Overall

7.0

Food

6.3

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
3,245 reviews
Iberia
7.0
Good
3,245 reviews
Check prices

Entertainment

6.6

Boarding

7.1

Comfort

6.7

Crew

7.7

Overall

7.0

Food

6.3

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

  • 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 14 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 2 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 50% 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: Japan Airlines (93%), American Airlines (89%), Qatar Airways (89%).

  • 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 £149). 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

Alternative routes for Madrid to San Sebastian

Madrid to Bilbao flights

Top airline flying from Madrid to San Sebastian

AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£49Average£86FlexibilityNo cancel feeOn-time77%
Search Iberia flights

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

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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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