Cheap flights from Barcelona to San Sebastian from R1 686

The month of April is, on average, the cheapest month to fly to San Sebastian from Barcelona, with most prices found around R2 487. If you aren’t able to travel during the month of April, then book flights to San Sebastian from Barcelona during February instead. Flights to San Sebastian in February, while not as cheap as those in April, still average around R2 520.

Fly from Barcelona-El Prat to San Sebastián for the best Barcelona - San Sebastián flight prices

You are more likely to see cheaper flights to San Sebastian from Barcelona when booking weeks ahead of your departure date. In general, you can expect to find flights to San Sebastian for around R2 790 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 Barcelona for as low as R1 886 on momondo.

There is only 1 cabin class available to choose from on Barcelona to San Sebastian flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 8% of flights between Barcelona and San Sebastian have experienced a delay on any given week. The average delay length over the past 12 months has been 88 minutes.

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

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

According to our data, Vueling have had the fewest delays on this route over the last 12 months, with about 8% of their flights experiencing any sort of delay.

As of October 2026, there are 3 flights per day flying from Barcelona to San Sebastian. The most common time of day flights depart is 16:00, with 53% of flights taking off in the afternoon.

As of October 2026, there are 26 flights per week flying from Barcelona to San Sebastian. The most common day of the week flights depart is Thu, with 27% of flights taking off on this day.