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Flights from Boston to San Sebastian
There are no direct flights from Boston to San Sebastian. The fastest way is one stop via Madrid or Barcelona, about 9h 19m door to door (32 connections a week on current schedules).
No direct flights · 3 connection options From 9h 19m
Boston to San Sebastian at a glance
Fastest journey9h 19mVia Madrid, on current schedules
Nonstop flightsNoneConnect via Madrid or Barcelona
Best ways to fly from Boston to San Sebastian
Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.
1Search
BOS Madrid (MAD) EAS
Leg 1: Delta Air Lines, Iberia, JetBlue Airways · Leg 2: Iberia
Sat21:30 BOS09:59 MAD2h 01m connection12:00 MAD12:49 EASIberia
2Search
BOS Barcelona (BCN) EAS
Leg 1: Delta Air Lines, JetBlue Airways, Level · Leg 2: Vueling
Thu23:45 BOS12:32 BCN3h 43m connection16:15 BCN17:14 EASLevel + Vueling
Connections are computed from flights actually flown over the last 8 weeks, with at least 45 minutes to change on one airline and 2 hours on separate tickets. Times are local. The search shows live itineraries and exact times.
Good to know
- Distance
- 5,464 km3,393 miles
- Journey time
- 9h 19mon current schedules
- Time difference
- +6hSan Sebastian vs Boston
- Currency in San Sebastian
- EUR
- Airports
- BOS, PSM → EAS
Flights from Boston to San Sebastian: questions answered
Are there direct flights from Boston to San Sebastian?
No. There is no nonstop service, so you will connect, most easily in Madrid, Barcelona and Frankfurt. Some connections are on one airline or alliance, so your bags and connection are protected on a single ticket.
How long is the flight from Boston to San Sebastian?
With one connection the journey usually takes around 9h 19m, depending on the layover. The straight-line distance is 5,464 km.
Where do you change planes between Boston and San Sebastian?
The best connecting points are Madrid (MAD), Barcelona (BCN) and Frankfurt (FRA). Delta Air Lines flies both legs via Madrid, so you can book it as one ticket.
Which airports serve Boston and San Sebastian?
Boston: Boston Logan International Airport (BOS) and Portsmouth International Airport at Pease (PSM). San Sebastian: San Sebastián Airport (EAS).
What is the time difference between Boston and San Sebastian?
San Sebastian is 6 hours ahead of Boston.





