Cheap flights from Belfast to San Sebastian

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Find the cheapest month to fly from Belfast to San Sebastian

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Belfast to San Sebastian flights are currently cheapest in July.

Belfast to San Sebastian: Flight information

The things to know before you go.
Cheapest flight found$239
Cheapest month to flyJuly

Finding cheap flights from Belfast to San Sebastian: Frequently asked questions

The best price we found for a return flight from Belfast to San Sebastian is $630. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Belfast to San Sebastian. But we found flights with one stop from $630.
As of March 2026, there are no flights flying from Belfast to San Sebastian.
The cheapest month to fly from Belfast to San Sebastian is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Belfast to San Sebastian Airport on Wednesday, 13 May 2026.
No airlines currently offer direct flights between Belfast and San Sebastian Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Sebastian but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Sebastian is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to San Sebastian is easyJet .

Flying from Belfast to San Sebastian Airport (EAS): What you need to know

  • San Sebastian Airport is located in San Sebastian. The city operates on the UTC+1 timezone and is one hour ahead of Belfast.

  • Give yourself enough time to make your flight from Belfast to EAS. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Show up at the airport even earlier during popular months like June. Aim for two hours before domestic departures and up to four hours for international flights. After checking in, you can use any extra time to relax or grab something to eat.

Airports in Belfast

Belfast International Airport (BFS)

  • Think about adding a stopover to find cheap flights from Belfast to EAS. Just deselect 'Direct flights only' when browsing departures from Belfast International Airport (BFS). Break the trip up (and maybe score a better deal) by stopping at one of these airports:

    • Barcelona-El Prat Airport (BCN)

    • Palma de Mallorca Airport (PMI)

    • Edinburgh Airport (EDI)

  • BFS is around 19 kilometres from central Belfast. If you're catching a taxi, driving or ride-sharing from the centre, it'll take you 25 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the trip time to be around 45 minutes.

  • In search of a comfortable hotel close to Belfast International Airport? If you've booked an early flight from Belfast to San Sebastian Airport, these stays will put you conveniently close to check-in:

  • When it comes to Belfast International Airport's on-time performance, 68% of flights arrive within the expected time frame.

George Best Belfast City Airport (BHD)

  • Squeeze in an extra adventure with a stopover on your flight from Belfast to San Sebastian Airport. Edinburgh Airport (EDI) is a popular option between George Best Belfast City Airport and EAS.

  • BHD is around 5 kilometres from central Belfast. It'll take you 15 minutes or so to get to the airport by car from the city centre. Public transport takes roughly 25 minutes.

  • Get a head start on your holiday with an additional night away from home. Before catching your Belfast to EAS flight, kick back in one of these hotels close to George Best Belfast City Airport:

  • George Best Belfast City Airport has an on-time performance of 69%. This figure sheds light on how often flights departing from this airport make it to their destination on schedule.

About San Sebastian Airport (EAS)

  • Have a late flight from Belfast to San Sebastian Airport? Don't let it leave you bleary-eyed. Check in to one of these hotels near EAS and be in snooze mode sooner:

  • Grab a San Sebastian Airport rental car and explore San Sebastian and beyond with your own wheels. Europcar, Keddy By Europcar and Hertz are top providers you can book with here.

  • Booking your ride around two weeks in advance of your Belfast to San Sebastian Airport flight can help you get a cheaper deal.

Getting from San Sebastian Airport (EAS) to central San Sebastian

  • Central San Sebastian is around 19 kilometres from San Sebastian Airport and takes about 25 minutes to reach by car. Explore your options for getting into the city, whether that's with a car hire, taxi or ride-share.

  • It typically takes 40 minutes if you're using public transport.

How to find the cheapest flights from Belfast to San Sebastian Airport (EAS)

  • $239 is the lowest price for a one-way ticket from Belfast to San Sebastian Airport. Return flights start at $630. These prices may change based on availability and demand.

  • Don't leave everything to the last minute. You're more likely to find cheap flights from Belfast to EAS if you book early. Airlines often offer some excellent early bird rates.

  • The 'Whole month' search tool will show you the cheapest Belfast to San Sebastian Airport tickets throughout the entire month. It's an easy way to snap up a bargain if your trip dates aren't set in stone.

  • Snapping up a cheap plane ticket from Belfast to EAS is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know when a lower fare pops up.

  • Tailor your travel plans using filters. Choose your ideal arrival and departure times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Cheapest' or 'Best' flights from Belfast to San Sebastian Airport.

The best time to fly from Belfast to San Sebastian Airport (EAS)

  • October is the most popular month for flights from Belfast to San Sebastian Airport (EAS). Visit San Sebastian in January for a quieter experience.

  • When booking your Belfast to EAS plane ticket, consider the type of weather you enjoy. August is the warmest month in San Sebastian, with temperatures ranging from 15ºC (59ºF) to 25ºC (77ºF).

  • January has temperatures of between 4ºC (39ºF) and 13ºC (55ºF). Search for cheap tickets from Belfast to San Sebastian Airport around that time if you like travelling in cooler conditions.

More about San Sebastian

  • Start your San Sebastian trip off on the right foot by choosing the perfect place to stay. As soon as you've booked your flight from Belfast to San Sebastian Airport, explore our selection of hotels including:

  • There are so many things to see and do in this city, it can be tricky to work out where to begin. Parte Vieja, San Sebastian - Donostia and San Sebastian are popular attractions which should be on every San Sebastian itinerary.

Explore more of Spain

  • Zaragoza is just one of the many places in Spain waiting to be explored once you've taken in the sights of San Sebastian. Around 209 kilometres away to the southeast, popular attractions include Plaza España, Plaza del Pilar and La Seo del Salvador.

  • If there's time to check out another well-known destination in Spain, consider Logroño, roughly 113 kilometres southwest of San Sebastian. Bodegas Faustino, Camino de Santiago Park and Bodegas Campo Viejo are highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.