Cheap flights from San Sebastian to Barcelona from £49

The cheapest month to fly to Barcelona-El Prat Airport from San Sebastian is in January. Flight prices, which tend to average around £73, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Barcelona-El Prat Airport from San Sebastian during March instead. Flights to Barcelona-El Prat Airport in March, while not as cheap as those in January, still average around £88.

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

You are more likely to see cheaper flights to Barcelona-El Prat Airport from San Sebastian when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport for around £113 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona-El Prat Airport from San Sebastian for as low as £71 on momondo.

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

No. A direct flight is the cheapest option for a flight between San Sebastian to Barcelona-El Prat Airport.

As of September 2026, prices for San Sebastian to Barcelona-El Prat Airport flights are approximately 7% cheaper when compared to flights at the same time last year.

Historically, on average around 10% of flights between San Sebastian and Barcelona have experienced a delay on any given week. The average delay length over the past 12 months has been 95 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening 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. Monday 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 10% of their flights experiencing any sort of delay.

As of September 2026, there are 5 flights per day flying from San Sebastian to Barcelona-El Prat Airport. The most common time of day flights depart is 08:00, with 59% of flights taking off at midday.

As of September 2026, there are 40 flights per week flying from San Sebastian to Barcelona-El Prat Airport. The most common day of the week flights depart is Mon, with 18% of flights taking off on this day.