$311+ Cheap flights from Spain to Seattle (SEA)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SEA
Apr 19 — Apr 261
Round-trip
1 adult, Economy
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Cheapest flights from Spain to SeattleExplore the most affordable flight options available from Spain to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 20, 2026.
Explore the most affordable flight options available from Spain to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/33:00 pm
BCN
- SEA
1 stop27h 40m
Multiple Airlines
Fri 5/810:35 pm
SEA
- BCN
2 stops41h 40m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$575
This Expedia deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:05 am
MAD
- SEA
1 stop17h 35m
Multiple Airlines
Sun 4/265:40 pm
SEA
- MAD
1 stop19h 15m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$610
This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:25 am
BCN
- SEA
1 stop14h 15m
Condor
Sun 8/305:40 pm
SEA
- BCN
1 stop13h 20m
Condor
Deal found 3/15![Condor logo]()
$615
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/210:25 am
BCN
- SEA
1 stop14h 35m
Condor
Sat 5/96:00 pm
SEA
- BCN
1 stop13h 05m
Condor
Deal found 3/17![Condor logo]()
$619
This United Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2310:20 am
BCN
- SEA
2 stops32h 20m
United Airlines
Sun 5/246:50 pm
SEA
- BCN
1 stop18h 35m
United Airlines
Deal found 3/18![United Airlines logo]()
$624
This eDestinos deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:05 am
MAD
- SEA
1 stop18h 05m
Multiple Airlines
Fri 9/186:00 pm
SEA
- MAD
1 stop18h 55m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$629
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/210:35 am
PMI
- SEA
1 stop14h 25m
Condor
Mon 4/66:10 pm
SEA
- PMI
1 stop30h 15m
Condor
Deal found 3/17![Condor logo]()
$631
This Mytrip deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:00 am
BCN
- SEA
1 stop16h 40m
Condor
Fri 9/256:00 pm
SEA
- BCN
1 stop13h 05m
Condor
Deal found 3/17![Condor logo]()
$631
This Mytrip deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:30 am
BCN
- SEA
3 stops25h 23m
Multiple Airlines
Tue 5/57:00 pm
SEA
- BCN
2 stops19h 59m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$632
This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/85:00 pm
BCN
- SEA
1 stop32h 00m
Condor
Sat 5/236:00 pm
SEA
- BCN
1 stop19h 10m
Condor
Deal found 3/15![Condor logo]()
$633
This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:00 pm
BCN
- SEA
1 stop31h 40m
Condor
Sun 8/305:40 pm
SEA
- BCN
1 stop13h 20m
Condor
Deal found 3/15![Condor logo]()
$634
This Expedia deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:05 am
MAD
- SEA
1 stop17h 55m
Multiple Airlines
Mon 4/276:10 pm
SEA
- MAD
1 stop18h 45m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$634
Best flights from Spain to SeattleDiscover carefully curated flight deals from Spain to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 20, 2026.
Discover carefully curated flight deals from Spain to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 20, 2026.
This United Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2310:20 am
BCN
- SEA
2 stops32h 20m
United Airlines
Sun 5/246:50 pm
SEA
- BCN
1 stop18h 35m
United Airlines
Deal found 3/18![United Airlines logo]()
$624
This Condor deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/310:25 am
BCN
- SEA
1 stop14h 15m
Condor
Sun 6/75:40 pm
SEA
- BCN
1 stop13h 20m
Condor
Deal found 3/18![Condor logo]()
$685
This Icelandair deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/253:45 pm
AGP
- SEA
1 stop13h 55m
Icelandair
Mon 5/47:00 pm
SEA
- AGP
1 stop34h 45m
Icelandair
Deal found 3/19![Icelandair logo]()
$700
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/283:05 pm
BIO
- SEA
2 stops28h 35m
Multiple Airlines
Mon 1/112:00 pm
SEA
- BIO
1 stop17h 45m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$762
This Gotogate deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:45 am
BIO
- SEA
1 stop14h 35m
Lufthansa
Fri 5/86:50 pm
SEA
- BIO
1 stop19h 35m
Lufthansa
Deal found 3/17![Lufthansa logo]()
$812
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:50 am
BIO
- SEA
2 stops18h 47m
Delta
Sun 1/1011:15 am
SEA
- BIO
2 stops21h 05m
Delta
Deal found 3/16![Delta logo]()
$834
This KLM deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:45 am
BIO
- SEA
1 stop14h 02m
KLM
Sun 9/131:30 pm
SEA
- BIO
1 stop19h 00m
KLM
Deal found 3/18![KLM logo]()
$864
This Air Canada deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:50 pm
PMI
- SEA
2 stops42h 03m
Air Canada
Sun 4/198:00 pm
SEA
- PMI
2 stops34h 15m
Air Canada
Deal found 3/19![Air Canada logo]()
$895
This Turkish Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2911:50 am
AGP
- SEA
1 stop38h 25m
Turkish Airlines
Fri 5/87:10 pm
SEA
- AGP
1 stop30h 40m
Turkish Airlines
Deal found 3/17![Turkish Airlines logo]()
$896
This SWISS deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/284:50 pm
AGP
- SEA
2 stops38h 52m
SWISS
Thu 5/71:21 pm
SEA
- AGP
2 stops25h 44m
SWISS
Deal found 3/19![SWISS logo]()
$897
This British Airways deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/310:10 am
PMI
- SEA
2 stops23h 45m
British Airways
Fri 4/102:10 pm
SEA
- PMI
2 stops18h 15m
British Airways
Deal found 3/16![British Airways logo]()
$940
This Air France deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:15 am
TFN
- SEA
2 stops22h 50m
Air France
Sat 9/267:20 am
SEA
- TFN
2 stops22h 20m
Air France
Deal found 3/15![Air France logo]()
$993
This American Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:40 pm
LCG
- SEA
2 stops20h 04m
American Airlines
Sun 4/1911:55 pm
SEA
- LCG
2 stops28h 05m
American Airlines
Deal found 3/15![American Airlines logo]()
$1,074
This Expedia deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/69:35 pm
XRY
- SEA
2 stops32h 02m
Iberia
Thu 7/236:00 am
SEA
- XRY
2 stops22h 15m
Iberia
Deal found 3/15![Iberia logo]()
$1,203
This Condor deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/58:00 am
BCN
- SEA
1 stop17h 00m
Condor
Tue 6/96:05 pm
SEA
- BCN
1 stop19h 05m
Condor
Deal found 3/18![Condor logo]()
$685
This Condor deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:00 pm
BCN
- SEA
1 stop31h 40m
Condor
Wed 8/265:40 pm
SEA
- BCN
1 stop19h 30m
Condor
Deal found 3/15![Condor logo]()
$699
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:50 am
BIO
- SEA
2 stops18h 54m
Delta
Tue 1/127:20 am
SEA
- BIO
2 stops19h 10m
Delta
Deal found 3/16![Delta logo]()
$834
This Icelandair deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/33:45 pm
BCN
- SEA
1 stop13h 55m
Icelandair
Tue 6/911:25 pm
SEA
- BCN
1 stop30h 20m
Icelandair
Deal found 3/19![Icelandair logo]()
$839
This KLM deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/51:20 pm
BCN
- SEA
Nonstop11h 10m
Multiple Airlines
Tue 6/91:30 pm
SEA
- BCN
1 stop17h 05m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$841
This United Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:40 am
BCN
- SEA
1 stop14h 40m
United Airlines
Sun 4/195:00 am
SEA
- BCN
2 stops18h 20m
United Airlines
Deal found 3/15![United Airlines logo]()
$860
This lastminute.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/27:20 pm
PMI
- SEA
1 stop26h 00m
Lufthansa
Mon 4/63:40 pm
SEA
- PMI
2 stops38h 35m
Lufthansa
Deal found 3/17![Lufthansa logo]()
$894
This Turkish Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:55 pm
AGP
- SEA
1 stop32h 20m
Turkish Airlines
Sun 4/197:10 pm
SEA
- AGP
1 stop30h 40m
Turkish Airlines
Deal found 3/17![Turkish Airlines logo]()
$907
This Air Canada deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:55 pm
VLC
- SEA
2 stops39h 25m
Air Canada
Sun 4/198:00 pm
SEA
- VLC
2 stops36h 35m
Air Canada
Deal found 3/15![Air Canada logo]()
$933
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:50 am
BIO
- SEA
2 stops18h 54m
Delta
Sat 1/911:15 am
SEA
- BIO
2 stops21h 05m
Delta
Deal found 3/16![Delta logo]()
$851
This United Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:40 am
BCN
- SEA
1 stop14h 40m
United Airlines
Sat 5/2310:29 am
SEA
- BCN
1 stop18h 51m
United Airlines
Deal found 3/15![United Airlines logo]()
$860
This KLM deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:15 pm
BIO
- SEA
1 stop27h 32m
Multiple Airlines
Sun 9/136:45 pm
SEA
- BIO
1 stop13h 45m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$864
This Turkish Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:50 am
AGP
- SEA
1 stop38h 25m
Turkish Airlines
Sun 4/267:10 pm
SEA
- AGP
1 stop36h 35m
Turkish Airlines
Deal found 3/18![Turkish Airlines logo]()
$907
This SWISS deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/316:30 am
AGP
- SEA
2 stops25h 09m
SWISS
Mon 6/1510:30 am
SEA
- AGP
2 stops20h 20m
SWISS
Deal found 3/20![SWISS logo]()
$1,000
This Air France deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/65:15 pm
SVQ
- SEA
1 stop27h 00m
Air France
Thu 7/231:30 pm
SEA
- SVQ
1 stop18h 00m
Air France
Deal found 3/17![Air France logo]()
$1,014
This Cheapflightsfares deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/38:35 am
PMI
- SEA
2 stops23h 07m
Lufthansa
Fri 4/106:50 pm
SEA
- PMI
1 stop16h 35m
Lufthansa
Deal found 3/16![Lufthansa logo]()
$940
Last-minute flights from Spain to SeattleDiscover last-minute flight deals from Spain to Seattle. Data last updated March 20, 2026 and is based on user searches.
Discover last-minute flight deals from Spain to Seattle. Data last updated March 20, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/210:35 am
PMI
- SEA
1 stop14h 25m
Condor
Mon 4/66:10 pm
SEA
- PMI
1 stop30h 15m
Condor
Deal found 3/17![Condor logo]()
$631
This Mytrip deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1410:30 am
BCN
- SEA
2 stops19h 10m
Multiple Airlines
Tue 4/213:40 pm
SEA
- BCN
2 stops16h 15m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$679
This Gotogate deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/197:05 am
MAD
- SEA
1 stop17h 35m
Multiple Airlines
Sun 4/265:40 pm
SEA
- MAD
1 stop19h 15m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$684
This Mytrip deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:30 am
BCN
- SEA
3 stops25h 23m
Multiple Airlines
Tue 5/57:00 pm
SEA
- BCN
2 stops19h 59m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$632
This Mytrip deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:30 am
BCN
- SEA
3 stops45h 53m
Multiple Airlines
Mon 4/273:40 pm
SEA
- BCN
2 stops22h 20m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$705
This Expedia deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:05 am
MAD
- SEA
1 stop17h 35m
Multiple Airlines
Sun 4/265:40 pm
SEA
- MAD
1 stop19h 15m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$610
This Expedia deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:05 am
MAD
- SEA
1 stop17h 55m
Multiple Airlines
Mon 4/276:10 pm
SEA
- MAD
1 stop18h 45m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$634
This Icelandair deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/253:45 pm
AGP
- SEA
1 stop13h 55m
Icelandair
Mon 5/47:00 pm
SEA
- AGP
1 stop34h 45m
Icelandair
Deal found 3/17![Icelandair logo]()
$695
This Gotogate deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/253:45 pm
AGP
- SEA
1 stop13h 55m
Icelandair
Thu 4/307:00 pm
SEA
- AGP
1 stop34h 45m
Icelandair
Deal found 3/20![Icelandair logo]()
$712
This Mytrip deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:15 am
MAD
- SEA
2 stops18h 55m
Multiple Airlines
Mon 5/116:10 pm
SEA
- MAD
2 stops20h 10m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$711
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:45 am
AGP
- SEA
2 stops36h 55m
Multiple Airlines
Mon 5/43:40 pm
SEA
- AGP
1 stop13h 05m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$680
This FlightHub deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/293:45 pm
AGP
- SEA
1 stop13h 55m
Icelandair
Tue 5/53:40 pm
SEA
- AGP
1 stop14h 05m
Icelandair
Deal found 3/17![Icelandair logo]()
$692
One-way flights from Spain to SeattleSearch for one-way flight options from Spain to Seattle. Find affordable one-way fares based on user searches. Data last updated March 20, 2026.
Search for one-way flight options from Spain to Seattle. Find affordable one-way fares based on user searches. Data last updated March 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/203:00 pm
BCN
- SEA
1 stop27h 40m
WestJet
Deal found 3/15![WestJet logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/205:50 am
BCN
- SEA
2 stops21h 55m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/173:00 pm
BCN
- SEA
1 stop27h 40m
WestJet
Deal found 3/19![WestJet logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/133:00 pm
BCN
- SEA
1 stop27h 40m
WestJet
Deal found 3/16![WestJet logo]()
$326
This Expedia deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/163:00 pm
BCN
- SEA
1 stop27h 40m
WestJet
Deal found 3/18![WestJet logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:45 am
VLC
- SEA
3 stops37h 40m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1511:20 pm
BCN
- SEA
3 stops44h 05m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/154:50 pm
MAD
- SEA
3 stops50h 35m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:05 am
BCN
- SEA
2 stops36h 35m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/164:40 pm
BCN
- SEA
3 stops35h 05m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:05 am
BCN
- SEA
3 stops37h 20m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/195:05 pm
MAD
- SEA
3 stops34h 40m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$354
Find flight deals from Spain to Seattle
Keep the following information in mind while searching for Spain to Seattle flight deals. Data was last updated March 20, 2026.
Round-trip from | $575 (Kiwi.com) |
|---|---|
One-way from | $311 (Kiwi.com) |
Popular in | July |
Cheapest in | April |
Average price | $845 |
Cheapflights Fare Finder
Customize your flight search to find flights from Spain to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 20, 2026.
Use the filters below to find and compare flights from Spain to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BarcelonaSeattle
BCN - SEA
BCNSEA
Barcelona-El Prat
Sat 5/23
10:20 am-9:40 am
2 stops32h 20m
Seattle/Tacoma Intl
Sun 5/24
6:50 pm-10:25 pm
1 stop18h 35m
$624
Quickest round-trip
BarcelonaSeattle
BCN - SEA
BCNSEA
Barcelona-El Prat
Wed 6/3
10:25 am-3:40 pm
1 stop14h 15m
Seattle/Tacoma Intl
Sun 6/7
5:40 pm-4:00 pm
1 stop13h 20m
$685
BarcelonaSeattle
BCN - SEA
BCNSEA
Barcelona-El Prat
Fri 6/5
8:00 am-4:00 pm
1 stop17h 00m
Seattle/Tacoma Intl
Tue 6/9
6:05 pm-10:10 pm
1 stop19h 05m
$685
BarcelonaSeattle
BCN - SEA
BCNSEA
Barcelona-El Prat
Mon 8/17
5:00 pm-3:40 pm
1 stop31h 40m
Seattle/Tacoma Intl
Wed 8/26
5:40 pm-10:10 pm
1 stop19h 30m
$699
MálagaSeattle
AGP - SEA
AGPSEA
Malaga
Sat 4/25
3:45 pm-8:40 pm
1 stop13h 55m
Seattle/Tacoma Intl
Mon 5/4
7:00 pm-2:45 pm
1 stop34h 45m
$700
BilbaoSeattle
BIO - SEA
BIOSEA
Bilbao
Thu 5/28
3:05 pm-10:40 am
2 stops28h 35m
Seattle/Tacoma Intl
Mon 1/11
2:00 pm-4:45 pm
1 stop17h 45m
$762
BilbaoSeattle
BIO - SEA
BIOSEA
Bilbao
Fri 5/1
6:45 am-12:20 pm
1 stop14h 35m
Seattle/Tacoma Intl
Fri 5/8
6:50 pm-11:25 pm
1 stop19h 35m
$812
BilbaoSeattle
BIO - SEA
BIOSEA
Bilbao
Thu 5/28
6:50 am-4:37 pm
2 stops18h 47m
Seattle/Tacoma Intl
Sun 1/10
11:15 am-5:20 pm
2 stops21h 05m
$834
BilbaoSeattle
BIO - SEA
BIOSEA
Bilbao
Thu 5/28
6:50 am-4:44 pm
2 stops18h 54m
Seattle/Tacoma Intl
Tue 1/12
7:20 am-11:30 am
2 stops19h 10m
$834
BarcelonaSeattle
BCN - SEA
BCNSEA
Barcelona-El Prat
Wed 6/3
3:45 pm-8:40 pm
1 stop13h 55m
Seattle/Tacoma Intl
Tue 6/9
11:25 pm-2:45 pm
1 stop30h 20m
$839
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Spain to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Spain with our price prediction graph.
BCN-SEA
AGP-SEA
BIO-SEA
PMI-SEA
TFN-SEA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Spain to Seattle
ES0-SEA
BCN-SEA
AGP-SEA
BIO-SEA
PMI-SEA
What is the cheapest month to book a flight from Spain to Seattle?
Currently, May is the cheapest month in which you can book a flight from Spain to Seattle (average of $382). Flying from Spain to Seattle in July is currently the most expensive (average of $784). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated March 20, 2026.
Get a feel of what it's like to fly with Delta,KLM, andAir France from Spain to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.9
Overall
7.9
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Overall
7.9
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Overall
7.9
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Overall
7.9
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Overall
7.9
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Overall
7.9
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from Spain to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Tacoma
Ocean Shores
Olympia
Kent
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Ellensburg
Tukwila
Fife
Lakewood
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
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Alternative routes for Spain to Seattle
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Complete your trip
Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Spain to Seattle by cabin class
Find flights from Spain to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Spain and Seattle flights
Browse other Spain and Seattle flight options. Last updated on March 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 20, 2026.
Spain to Seattle flights
Consider these flights traveling from Spain to Seattle.
Top 5 airlines flying from Spain to Seattle
Discover the top 5 airlines that operate flights from Spain to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$614 | Average$832 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$693 | Average$940 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$765 | Average$851 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$771 | Average$860 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$1,022 | Average$1,360 | FlexibilityNo cancel fee | On-time77% |