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SEA to EAS: distance & flight time
Seattle (Seattle Tacoma International Airport) → San Sebastian (San Sebastian Airport)
5,193 mi
8,358 km · 4,513 nm
10h 39m
estimated nonstop flight time
+9h
time difference · heading northeast
See live SEA→EAS fares Phone-only fares on this route — call free
Flight time details
5,193 miles nonstop takes roughly 10h 39m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- SEA — Seattle Tacoma International Airport · Seattle, United States
- EAS — San Sebastian Airport · San Sebastian, Spain
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near SEA
- RNT · Renton Municipal Airport5 mi away
- BFI · Boeing Field King County International Airport6 mi away
- TIW · Tacoma Narrows Airport18 mi away
- PWT · Bremerton National Airport21 mi away
Near EAS
- BIQ · Biarritz-Anglet-Bayonne Airport15 mi away
- PNA · Pamplona Airport41 mi away
- BIO · Bilbao Airport56 mi away
- VIT · Vitoria/Foronda Airport57 mi away
Frequently asked questions
How far is SEA from EAS?
The flight distance from Seattle (SEA) to San Sebastian (EAS) is 5,193 miles (8,358 km, 4,513 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEA to EAS?
A nonstop flight takes about 10h 39m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Seattle and San Sebastian?
San Sebastian is 9 hours ahead of Seattle.
What is the cheapest way to fly from SEA to EAS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEA–EAS that never appear on search engines, with no booking fees.