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: Mon Oct 2 2017 Return: Mon Oct 9 2017 Trip spans 8 days
British Airways
British Airways
SEA
9:20a
BIO
10:30p
13h 10m
1 stop
BIO
1:35p
SEA
12:10a
34h 35m
2 stops
Depart: Sat Oct 14 2017 Return: Mon Oct 30 2017 Trip spans 17 days
$1146
Select
KLM
KLM
SEA
2:15a
BIO
10:45p
20h 30m
2 stops
BIO
2:45a
SEA
1:56a
23h 11m
2 stops
Depart: Fri Oct 20 2017 Return: Mon Oct 30 2017 Trip spans 11 days
$1146
Select
Iberia
Iberia
SEA
3:00a
BIO
11:45p
20h 45m
2 stops
BIO
4:15a
SEA
11:33p
19h 18m
2 stops
Depart: Sun Sep 17 2017 Return: Sun Sep 24 2017 Trip spans 8 days
British Airways
British Airways
SEA
3:00a
BIO
10:30p
19h 30m
2 stops
BIO
4:15a
SEA
5:37a
25h 22m
2 stops
Depart: Sun Oct 15 2017 Return: Mon Oct 30 2017 Trip spans 16 days
$1146
Select
KLM
KLM
SEA
5:15a
BIO
10:45p
17h 30m
2 stops
BIO
2:45a
SEA
1:56a
23h 11m
2 stops
Depart: Thu Oct 19 2017 Return: Fri Nov 3 2017 Trip spans 16 days
$1043
Select
British Airways
British Airways
SEA
3:15p
BIO
5:50a
14h 35m
1 stop
BIO
3:55p
SEA
4:50p
24h 55m
1 stop
Depart: Tue Oct 17 2017 Return: Sat Oct 28 2017 Trip spans 12 days
$1146
Select
British Airways
British Airways
SEA
4:25a
BIO
11:45p
19h 20m
2 stops
BIO
4:15a
SEA
2:24a
22h 09m
2 stops
Depart: Wed Oct 18 2017 Return: Mon Oct 30 2017 Trip spans 13 days
$1146
Select
British Airways
British Airways
SEA
4:25a
BIO
11:45p
19h 20m
2 stops
BIO
4:15a
SEA
11:33p
19h 18m
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:

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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
$674
Destination

Bilbao
$674