Cheap Flights Madrid to San Sebastian from £37

Flight FAQs

• Which airlines offer the cheapest flights from Madrid to San Sebastian?

  Based on Trip.com data, Iberia offers Cheapest nonstop one-way flights from £37 (for example, MAD–EAS on Fri, Sep 25). For a Cheapest nonstop return flight, Iberia offers fares from £58, departing on Wed, Oct 21 and returning on Fri, Oct 23.

• Which airlines offer direct flights from Madrid to San Sebastian?

  At the moment, you can catch a direct flight from Madrid to San Sebastian with the following airlines, including: Iberia Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

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

  A flight from Madrid (MAD) to San Sebastian (EAS) takes an average of 1 hour 10 minutes.

• When is the best time to book flights from Madrid to San Sebastian?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Madrid to San Sebastian is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there from Madrid to San Sebastian each week?

  On average, 16 direct flights operate each week between Madrid and San Sebastian. See below the schedules of the main airlines serving this route:
  Iberia: S/M/T/W/T/F/S – IB443 (departure at 07:52)

• How can I find the best deals on flights from Madrid to San Sebastian?

  Here are some tips for finding the best flight deals from Madrid to San Sebastian on Trip.com:
  · Be flexible with your travel dates. The cheapest flight is currently on Fri, Sep 25, with one-way fares from just £37.
  · Compare airlines. Iberia currently offers the lowest fares on this route.
  · Set up a price alert to track fare changes without searching every day.
  · Check Trip.com regularly for flight deals and available promo codes.
  · Avoid peak season or book early. July is generally the busiest month for travel to San Sebastian.
  · Get exclusive promo codes on the Trip.com app.

• When is the best time to book a flight from Madrid to San Sebastian to get the best price?

  The cheapest month to book a flight from Madrid to San Sebastian is usually October, when demand is lower.

• Which upcoming date is the cheapest for flights from Madrid to San Sebastian?

  After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Madrid to San Sebastian on September 30, 2026 with Iberia, with prices starting at £33.

• Which airports should you choose for flights from Madrid to San Sebastian?

  Flights to San Sebastian can arrive at: San Sebastian Airport (EAS). The most common route connects Madrid Barajas Airport and San Sebastian Airport (MAD–EAS).

• What is the time difference between Madrid and San Sebastian?

  The time difference between San Sebastian and Madrid is 0m.

• How can I change or cancel my flight ticket from Madrid to San Sebastian?

  Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average price of a one-way flight from Madrid to San Sebastian?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Madrid to San Sebastian is £108. Fares vary by travel date, airline and availability.

• What is the average price of a return flight from Madrid to San Sebastian?

  Based on Trip.com data for flights departing in the next 30 days, the average return fare from Madrid to San Sebastian is £143. Fares vary by travel date, airline and availability.

• How do I book flights from Madrid to San Sebastian on Trip.com?

  Enter Madrid and San Sebastian, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveller details and complete payment to receive your confirmation.