Cheap Flights from Porto to San Sebastian from US$68

Frequently Asked Questions

• What are the cheapest flights from Porto to San Sebastian (OPO-EAS)?

  Based on Trip.com data, Ryanair offers one-way fares as low as US$68 on Cheapest nonstop routes (e.g. OPO to EAS on Sat, Sep 19), while Vueling Airlines offers Cheapest nonstop round-trips from US$139 departing on Wed, Sep 16 and returning on Sun, Sep 20.

• 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?

  To find best deals on flights from Porto to San Sebastian, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, Sep 19, with one-way flights priced at just US$68.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Ryanair.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for San Sebastian travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Porto (OPO) to San Sebastian (EAS) the cheapest?

  The cheapest months to fly from Porto to San Sebastian is October, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Porto to San Sebastian on?

  After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Porto to San Sebastian on August 19, 2026 with Vueling Airlines, with prices starting at US$139.

• Is there any time difference between Porto and San Sebastian?

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

• How do I change or cancel my ticket from Porto to San Sebastian?

  Tickets can only be changed or canceled 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 US$157. 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 traveler details and complete payment to receive your confirmation.