Find Cheap Flights from Seattle to Spain

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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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Seattle to Spain

(Round-trip)
Depart: Fri Jan 26 2018 Return: Wed Feb 7 2018 Trip spans 13 days
Norwegian
Norwegian
SEA
AGP
15h 30m
1 stop
AGP
SEA
13h 50m
1 stop
Depart: Wed Nov 1 2017 Return: Fri Nov 3 2017 Trip spans 3 days
Multiple Airlines
Multiple Airlines
SEA
BCN
15h 15m
1 stop
BCN
SEA
23h 10m
1 stop
Depart: Sun Feb 4 2018 Return: Wed Feb 28 2018 Trip spans 25 days
British Airways
British Airways
SEA
MAD
18h 35m
1 stop
MAD
SEA
19h 50m
1 stop
Depart: Sat Feb 10 2018 Return: Fri Mar 16 2018 Trip spans 34 days
TAP AIR PORTUGAL
TAP AIR PORTUGAL
SEA
MAD
26h 51m
2 stops
MAD
SEA
23h 11m
2 stops
Depart: Sun Dec 31 2017 Return: Mon Jan 15 2018 Trip spans 16 days
Norwegian
Norwegian
SEA
AGP
15h 05m
1 stop
AGP
SEA
13h 50m
1 stop
Depart: Mon Jan 22 2018 Return: Wed Feb 7 2018 Trip spans 17 days
Multiple Airlines
Multiple Airlines
SEA
BCN
15h 15m
1 stop
BCN
SEA
19h 46m
1 stop
Depart: Wed Nov 15 2017 Return: Wed Nov 22 2017 Trip spans 8 days
British Airways
British Airways
SEA
MAD
15h 35m
1 stop
MAD
SEA
16h 55m
1 stop
Depart: Wed Jan 24 2018 Return: Wed Feb 7 2018 Trip spans 15 days
Multiple Airlines
Multiple Airlines
SEA
BCN
15h 15m
1 stop
BCN
SEA
19h 46m
1 stop
Depart: Fri Mar 9 2018 Return: Fri Mar 23 2018 Trip spans 14 days
Norwegian
Norwegian
SEA
AGP
15h 30m
1 stop
AGP
SEA
13h 50m
1 stop
Depart: Mon Mar 5 2018 Return: Tue Mar 13 2018 Trip spans 8 days
British Airways
British Airways
SEA
BCN
15h 10m
1 stop
BCN
SEA
28h 50m
1 stop
Depart: Fri Jan 26 2018 Return: Wed Feb 7 2018 Trip spans 13 days
Multiple Airlines
Multiple Airlines
SEA
BCN
20h 35m
1 stop
BCN
SEA
19h 46m
1 stop
Depart: Sun Feb 11 2018 Return: Fri Mar 16 2018 Trip spans 33 days
TAP AIR PORTUGAL
TAP AIR PORTUGAL
SEA
MAD
24h 41m
2 stops
MAD
SEA
23h 11m
2 stops
Depart: Fri Oct 27 2017 Return: Sat Nov 4 2017 Trip spans 9 days
Norwegian
Norwegian
SEA
AGP
14h 50m
1 stop
AGP
SEA
21h 40m
1 stop
Depart: Fri Dec 1 2017 Return: Wed Dec 13 2017 Trip spans 13 days
British Airways
British Airways
SEA
BCN
19h 55m
2 stops
BCN
SEA
20h 20m
1 stop
Depart: Sat Mar 10 2018 Return: Thu Mar 22 2018 Trip spans 12 days
TAP AIR PORTUGAL
TAP AIR PORTUGAL
SEA
MAD
30h 59m
2 stops
MAD
SEA
23h 11m
2 stops
Depart: Sun Oct 29 2017 Return: Fri Nov 3 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
SEA
BCN
17h 05m
1 stop
BCN
SEA
23h 10m
1 stop
Depart: Sun Nov 5 2017 Return: Tue Nov 7 2017 Trip spans 3 days
Norwegian
Norwegian
SEA
MAD
15h 55m
1 stop
MAD
SEA
26h 25m
1 stop
Depart: Fri Nov 3 2017 Return: Sun Nov 19 2017 Trip spans 17 days
British Airways
British Airways
SEA
MAD
15h 30m
1 stop
MAD
SEA
17h 11m
1 stop
Depart: Mon Oct 30 2017 Return: Fri Nov 3 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
SEA
BCN
15h 15m
1 stop
BCN
SEA
23h 10m
1 stop
Depart: Thu Feb 1 2018 Return: Wed Feb 28 2018 Trip spans 28 days
British Airways
British Airways
SEA
MAD
32h 35m
1 stop
MAD
SEA
20h 39m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

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.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

^ The fares displayed in KAYAK ads found on other sites include all taxes and fees for economy class travel and were found by KAYAK users in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
Airports
Origin

Seattle
$429
Destination

Barcelona
$566
Madrid
$576
Malaga
$429