Find Cheap Flights from Seattle to Bilbao

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Seattle to Bilbao

(Round-trip)
Depart: Fri Sep 22 2017 Return: Sun Oct 8 2017 Trip spans 17 days
British Airways
British Airways
SEA
4:00a
BIO
11:45p
19h 45m
2 stops
BIO
3:40p
SEA
4:15p
24h 35m
1 stop
Depart: Sat Aug 5 2017 Return: Sat Aug 12 2017 Trip spans 8 days
$1513
Select
Iberia
Iberia
SEA
7:59p
BIO
3:50a
31h 51m
2 stops
BIO
5:30p
SEA
5:32a
36h 02m
2 stops
Depart: Sat Sep 23 2017 Return: Sun Oct 8 2017 Trip spans 16 days
$1017
Select
British Airways
British Airways
SEA
4:00a
BIO
3:50a
23h 50m
2 stops
BIO
3:40p
SEA
4:15p
24h 35m
1 stop
Depart: Fri Sep 1 2017 Return: Sat Sep 2 2017 Trip spans 2 days
$1318
Select
British Airways
British Airways
SEA
3:54a
BIO
10:30p
18h 36m
2 stops
BIO
1:35p
SEA
2:25a
36h 50m
2 stops
Depart: Fri Jun 2 2017 Return: Fri Jun 9 2017 Trip spans 8 days
$1876
Select
Iberia
Iberia
SEA
3:00a
BIO
11:45p
20h 45m
2 stops
BIO
5:30a
SEA
2:04a
20h 34m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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Airports
Origin

Seattle
$934
Destination

Bilbao
$934