Cheap Flights from Boston Logan International to San Sebastian

Compare Boston Logan International to San Sebastian flight deals

Find the cheapest month or even day of the year to fly to San Sebastian

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Flight deals from Boston Logan International to San Sebastian

Looking for a cheap last-minute deal or the best return flight from Boston Logan International Airport to San Sebastian Airport? If you want to travel next month, return fares start from R 11,584. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Boston Logan International to San Sebastian

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

Boston to San Sebastian: Flight information

The things to know before you go.
Cheapest flight foundR 6,508
Cheapest month to flyJune

Finding cheap flights from Boston Logan International to San Sebastian: Frequently asked questions

The best price we found for a return flight from Boston Logan International to San Sebastian is R 7,693. 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 Boston Logan International to San Sebastian. But we found flights with one or more stops from R 7,693.
As of May 2026, there are no flights flying from Boston Logan International to San Sebastian.
The cheapest month to fly from Boston Logan International to San Sebastian is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boston Logan International Airport to San Sebastian Airport on Wednesday, 14 October 2026.
No airlines currently offer direct flights between Boston Logan International Airport 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.
Currently, LEVEL offers the cheapest flight tickets to San Sebastian.

Flying from Logan International Airport (BOS) to San Sebastian Airport (EAS): what you need to know

  • San Sebastian is five hours ahead of Boston and is in the UTC+1 timezone.

  • Your BOS to EAS flight won't wait if you're running late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • Be prepared for longer queues during popular months such as August. Arriving up to four hours ahead of an international flight and two hours for domestic departures will help ensure a smooth travel experience.

  • If you'd like to split up your journey, just uncheck 'Direct flights only' when searching for your ticket from Logan International Airport to San Sebastian Airport. Here are the top stopovers between BOS and EAS:

    • Adolfo Suarez Madrid-Barajas Airport

    • Edinburgh Airport

    • Barcelona-El Prat Airport

How to find the cheapest flights from Logan International Airport (BOS) to San Sebastian Airport (EAS)

  • At the moment, R 6,508 is the cheapest price we've found for a one-way Logan International Airport to San Sebastian Airport flight. The best price for a return ticket is R 7,693. Bear in mind that fares could change due to demand at the time of booking.

  • It's a good idea to book early if you want to find cheap tickets from BOS to EAS. That's because flight prices are based on demand, which tends to rise closer to the date of departure.

  • Finding cheap flights from Logan International Airport to San Sebastian Airport is easy if you can be flexible with your travel plans. Use the 'Whole month' function to see the lowest prices throughout the month and score a great deal.

  • There's no need to check every day to see if fares have dropped when you set up a Price Alert. We'll notify you as soon as there's a change in price on cheap flights from BOS to EAS.

  • Select your ideal arrival and departure times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Logan International Airport to San Sebastian Airport.

Handy information about Logan International Airport (BOS)

  • BOS is located at One Harborside Drive.

  • Of the departures from Logan International Airport, 73.94% land on time at their destination.

  • Central Boston to Logan International Airport is around 5 kilometres. Depending on traffic, it'll take about 10 minutes to get there if you're catching a cab, ride-sharing or driving.

  • Taking public transport? Expect a journey time of around 25 minutes.

  • Booked an early flight from Logan International Airport to San Sebastian Airport? Avoid the last-minute rush to the airport (and enjoy a little extra shut-eye) by picking one of these hotels close to BOS:

Arriving at San Sebastian Airport (EAS)

  • The last thing you need is a lengthy trip to your hotel if you're arriving on a late Logan International Airport to San Sebastian Airport flight. Stay at one of these accommodation options near EAS instead:

  • Pick up a San Sebastian Airport rental car and explore San Sebastian and beyond with your own set of wheels. Europcar, Keddy By Europcar and Hertz are top providers to choose from here.

  • For the best deal, book your ride from San Sebastian Airport around two weeks before you set off.

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

  • San Sebastian Airport is approximately 21 kilometres from the centre of San Sebastian. The drive time takes about 25 minutes.

  • Getting there by public transport will take you around 40 minutes.

When to fly to San Sebastian Airport (EAS)

  • June is the most popular month for flights from Logan International Airport to San Sebastian Airport. To steer clear of the crowds, head to San Sebastian in January.

  • The warmest month in San Sebastian is August, with temperatures ranging between 15ºC (59ºF) and 25ºC (77ºF). Lock in your flights from Logan International Airport to San Sebastian Airport in this month if this is the type of weather you enjoy.

  • Look for cheap tickets from BOS to EAS in January if you like cooler conditions. Temperatures are at their lowest then, ranging between 4ºC (39ºF) and 13ºC (55ºF) on average.

Explore more of Spain

  • You've done San Sebastian, now it's time to explore more of Spain. Travel around 209 kilometres south-east to Zaragoza to check off its leading sights. From Puente de Piedra to Museo Pablo Gargallo and El Tubo, you'll have a full itinerary ahead.

  • Around 402 kilometres south-west of San Sebastian, Salamanca is another essential stop in Spain. Experience this destination's highlights firsthand at Plaza Mayor, S.O.U. Servicio de Orientación al Universitario. Universidad de Salamanca and Pontifical University of Salamanca.

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