$171 Cheap Flights to San Sebastian

To find cheap flights to San Sebastian, book as early as possible and consider traveling during the low season. Want some insider advice? Fly on a Thursday and you'll typically save 16% on average compared to those who jet off on a Sunday.* Set up price tracking on the Expedia app and we'll let you know if prices drop.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

Get the travel dates you want and a price that works with your budget by booking your domestic flight to San Sebastian up to 28 days in advance. Lock in tickets between two and four months ahead if you're traveling to San Sebastian from an international destination.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

Sundays are generally the best day to book a cheap flight to San Sebastian, with savings of about 8% on average compared to Fridays. If you decide to buy tickets on a Friday, expect to pay more as this is often the most expensive day.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.