Question 1

How far in advance should I book a flight to San Sebastian?

Accepted Answer

You are more likely to see cheaper flights to San Sebastian from Madrid when booking weeks ahead of your departure date. In general, you can expect to find flights to San Sebastian for around £111 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Sebastian from Madrid for as low as £60 on momondo.

Question 2

How have Madrid to San Sebastian flight prices changed over time?

Accepted Answer

As of December 2025, prices for Madrid to San Sebastian flights are approximately 12% more expensive when compared to flights at the same time last year.

Question 3

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

Question 4

How many flights depart from Madrid to San Sebastian on average per day?

Accepted Answer

As of December 2025, there are 19 flights per day flying from Madrid to San Sebastian. The most common time of day flights depart is 19:00, with 58% of flights taking off at midday.

Question 5

What is the most punctual flight time for Madrid to San Sebastian flights?

Accepted Answer

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Question 6

What is the cheapest day to depart on your flight to San Sebastian?

Accepted Answer

Our data shows that Saturday is the least expensive day to fly to San Sebastian. Tickets to fly out on this day can be as low as £68. On the other hand, Friday is the most expensive day to depart from Madrid because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £111.

Question 7

What is the cheapest Madrid Barajas to San Sebastián flight route?

Accepted Answer

Fly from Madrid Barajas to San Sebastián for the best Madrid Barajas - San Sebastián flight prices

Question 8

How many flights depart from Madrid to San Sebastian on average per week?

Accepted Answer

134 flights are operational weekly from Madrid to San Sebastian as of December 2025. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.

Question 9

Which airline has the best punctuality record on Madrid to San Sebastian flights?

Accepted Answer

According to our data, Iberia have had the fewest delays on this route over the last 12 months, with about 3% of their flights experiencing any sort of delay.

Question 10

What is the cheapest month to fly to San Sebastian?

Accepted Answer

The month of February is, on average, the cheapest month to fly to San Sebastian from Madrid, with most prices found around £71. If you’re not able to fly to San Sebastian in February, then January is your next best option. Flight prices from Madrid to San Sebastian during January average around £93.

Question 11

What cabin class options are available on Madrid Barajas to San Sebastián flights?

Accepted Answer

There are 2 cabin classes available to choose from on Madrid Barajas to San Sebastián flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 12

How often are flights from Madrid to San Sebastian delayed?

Accepted Answer

Historically, on average around 3% of flights between Madrid and San Sebastian have experienced a delay on any given week. The average delay length over the past 12 months has been 86 minutes.

Question 13

Is flying the fastest way to get from Madrid to San Sebastian?

Accepted Answer

At 1h 10m, choosing to opt for a flight from Madrid to San Sebastian for this trip as opposed to a train from Madrid to San Sebastian or a bus from Madrid to San Sebastian can save you time on travel.

Question 14

Is flying the cheapest way to get from Madrid to San Sebastian?

Accepted Answer

Taking a train to your destination is the cheapest option we’ve found in the past few days. The cheapest price we’ve found for this option is £35, making it less expensive than a flight from Madrid to San Sebastian and cheaper than a bus from Madrid to San Sebastian.

Question 15

When did momondo last update prices for flights from Madrid Barajas Airport to San Sebastián Airport?

Accepted Answer

Prices for flights from Madrid Barajas Airport to San Sebastián Airport refresh daily.

Question 16

How old do you have to be to fly from Madrid Barajas Airport to San Sebastián Airport?

Accepted Answer

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Madrid Barajas Airport to San Sebastián Airport.

Question 17

What documentation or ID do you need to fly to San Sebastián Airport?

Accepted Answer

The travel and health documents you'll need for your trip to San Sebastián Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Sebastián Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best price found	£68
Fastest flight time	1h 10m
Direct flights	Wed, Fri, Sat and Sun
Airports in San Sebastian	1 airport

Cheap flights from Madrid to San Sebastian from £59

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Madrid to San Sebastian departing on 24/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Madrid to San Sebastian

What is the cheapest month to fly to San Sebastian?

What is the cheapest day to depart on your flight to San Sebastian?

What is the cheapest Madrid Barajas to San Sebastián flight route?

Fly from Madrid Barajas to San Sebastián for the best Madrid Barajas - San Sebastián flight prices

How far in advance should I book a flight to San Sebastian?

What cabin class options are available on Madrid Barajas to San Sebastián flights?

There are 2 cabin classes available to choose from on Madrid Barajas to San Sebastián flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Madrid to San Sebastian flight prices changed over time?

As of December 2025, prices for Madrid to San Sebastian flights are approximately 12% more expensive when compared to flights at the same time last year.

How often are flights from Madrid to San Sebastian delayed?

Historically, on average around 3% of flights between Madrid and San Sebastian have experienced a delay on any given week. The average delay length over the past 12 months has been 86 minutes.

What is the most punctual flight time for Madrid to San Sebastian flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Madrid to San Sebastian flights?

According to our data, Iberia have had the fewest delays on this route over the last 12 months, with about 3% of their flights experiencing any sort of delay.

How many flights depart from Madrid to San Sebastian on average per day?

As of December 2025, there are 19 flights per day flying from Madrid to San Sebastian. The most common time of day flights depart is 19:00, with 58% of flights taking off at midday.

How many flights depart from Madrid to San Sebastian on average per week?

134 flights are operational weekly from Madrid to San Sebastian as of December 2025. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.

When to book flights from Madrid to San Sebastian

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How old do you have to be to fly from Madrid Barajas Airport to San Sebastián Airport?

What documentation or ID do you need to fly to San Sebastián Airport?

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