Find cheap flights from Bilbao to Seattle from $474

In the last 3 days, the lowest price for a flight from Bilbao to Seattle was $474 for a one-way ticket.

Yes

Bilbao airport is called Bilbao and the only airport in Seattle is Seattle/Tacoma Intl.

We unfortunately don’t have that data for this specific route.

Star Alliance is the only airline alliance operating flights between Bilbao and Seattle.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Bilbao to Seattle.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Bilbao is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Bilbao with another airline. Booking your flights between Bilbao and SEA can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Bilbao up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.