Skip to main content
Beginning of main content

SEA (Seattle) to BIO (Bilbao) Flights $843.48

Search over 321,000 hotels worldwide and 400 airlines worldwide.
Secure incredible value with Expedia's Price Guarantee.
No Expedia cancellation fee to change or cancel almost any hotel reservation.

Cheap SEA to BIO Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Interesting Facts About Flights from Seattle to Bilbao (SEA to BIO)

Question : Can you cut down on flight costs by changing the day of the week you travel to Bilbao?
Answer : Tuesday is your lowest-cost day to fly in the month of August. Being flexible with your travel days garners even more savings during booking.

Question : Interested in traveling in the next 30 days and want to get the lowest fare?
Answer : As of Jul 17th, the cheapest day to fly from Seattle to Bilbao is Aug 9th. Tickets are currently being sold for $1,121, which is 48% below the average price for this route.

Question : What price range should you expect when booking from Seattle (SEA) to Bilbao (BIO)?
Answer : Ranging anywhere from $789 to $4,990, prices for SEA to BIO do change a lot more than most routes from the United States. However, the sooner you book, the better price you tend to get.

Question : How long do most people visit Bilbao?
Answer : Of course you're not most people, but if you were, you'd stay roughly 15 days.

Question : Which airline is giving the best deals for round-trip flights from Seattle-Tacoma International Airport (SEA) to Bilbao Airport (BIO)?
Answer : Delta Air Lines is your best bet for finding that coveted low fare. They're offering fares as low as $789, while prices for other flights are as high as $4,990.