Cheap Flights from Porto to San Sebastian from S$ 86

Frequently Asked Questions

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

  Based on Trip.com data, Ryanair offers Cheapest nonstop one-way flights from S$ 86 (for example, OPO–EAS on Sun, Sep 20). For a Cheapest nonstop return flight, Vueling Airlines offers fares from S$ 175, departing on Sat, Oct 24 and returning on Sun, Nov 1.

• When is the best time to book flights from Porto 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 Porto 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 can I find the best deals on flights from Porto to San Sebastian?

  Here are some tips for finding the best flight deals from Porto to San Sebastian on Trip.com:
  · Be flexible with your travel dates. The cheapest flight is currently on Sun, Sep 20, with one-way fares from just S$ 86.
  · Compare airlines. Ryanair 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. January 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 Porto to San Sebastian to get the best price?

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

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

  After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Porto to San Sebastian on September 15, 2026 with Vueling Airlines, with prices starting at S$ 176.

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

  The time difference between San Sebastian and Porto is 1h.

• How can I change or cancel my flight ticket from Porto 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 cost of a one-way flight from Porto to San Sebastian?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Porto to San Sebastian is S$ 178. Fares vary by travel date, airline and availability.

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

  Enter Porto 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.