How to find the cheapest flight from
Seattle (SEA) to San Sebastian (EAS)
What is the cheapest day to fly round-trip from Seattle to San Sebastian?
Users have found that leaving on a Thursday can be a cost-effective option. It’s possible to save up to 12% on your flight compared to booking on days when demand is much higher.
When is the cheapest time to fly from Seattle to San Sebastian (SEA - EAS)?
When flying from Seattle to San Sebastian, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 8% versus a flight in the morning.
Related info for your journey
Useful info, stats and facts about Seattle to San Sebastian flights.
Destination information for San Sebastian
Things to know before you go. Useful info for your trip from Seattle to San Sebastian