$279+ Cheap flights from Seattle (SEA) to Spain
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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MAD
Jun 20 — Jun 271
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Spain with Cheapflights
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Cheapest flights from Seattle to SpainExplore the most affordable flight options available from Seattle to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 21, 2026.
Explore the most affordable flight options available from Seattle to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 21, 2026.
This Lufthansa deal was found by Cheapflights users on 5/18. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:00 pm
SEA
- PMI
1 stop18h 10m
Lufthansa
Thu 11/262:00 pm
PMI
- SEA
1 stop32h 20m
Lufthansa
Deal found 5/18![Lufthansa logo]()
$582
This Lufthansa deal was found by Cheapflights users on 5/15. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/112:00 pm
SEA
- AGP
1 stop17h 10m
Lufthansa
Thu 11/2612:05 pm
AGP
- SEA
1 stop34h 15m
Lufthansa
Deal found 5/15![Lufthansa logo]()
$584
This FlightHub deal was found by Cheapflights users on 5/17. 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.
Sat 8/293:55 pm
SEA
- ALC
1 stop35h 45m
Scandinavian Airlines
Fri 9/1110:40 am
ALC
- SEA
2 stops36h 05m
Scandinavian Airlines
Deal found 5/17![Scandinavian Airlines logo]()
$635
This Trip.com deal was found by Cheapflights users on 5/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/193:55 pm
SEA
- PMI
1 stop32h 10m
Scandinavian Airlines
Sat 9/268:15 pm
PMI
- SEA
1 stop26h 30m
Scandinavian Airlines
Deal found 5/17![Scandinavian Airlines logo]()
$651
This Kiwi.com deal was found by Cheapflights users on 5/15. 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.
Sat 9/56:15 pm
SEA
- PMI
1 stop16h 05m
Condor
Sun 9/137:45 am
PMI
- SEA
1 stop16h 55m
Condor
Deal found 5/15![Condor logo]()
$670
This KAYAK deal was found by Cheapflights users on 5/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/63:55 pm
SEA
- PMI
1 stop32h 10m
Scandinavian Airlines
Thu 9/1010:25 am
PMI
- SEA
2 stops36h 20m
Scandinavian Airlines
Deal found 5/15![Scandinavian Airlines logo]()
$671
This SmartFares deal was found by Cheapflights users on 5/17. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:40 pm
SEA
- PMI
1 stop16h 45m
Condor
Mon 8/248:25 pm
PMI
- SEA
1 stop28h 15m
Condor
Deal found 5/17![Condor logo]()
$673
This oojo deal was found by Cheapflights users on 5/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:55 pm
SEA
- AGP
2 stops33h 20m
Scandinavian Airlines
Thu 9/1011:05 am
AGP
- SEA
2 stops35h 40m
Scandinavian Airlines
Deal found 5/20![Scandinavian Airlines logo]()
$678
This Condor deal was found by Cheapflights users on 5/15. 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.
Sat 9/56:15 pm
SEA
- PMI
1 stop16h 05m
Condor
Fri 9/117:45 am
PMI
- SEA
1 stop17h 15m
Condor
Deal found 5/15![Condor logo]()
$700
This oojo deal was found by Cheapflights users on 5/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/132:35 pm
SEA
- AGP
1 stop14h 10m
Icelandair
Wed 12/22:45 pm
AGP
- SEA
1 stop35h 15m
Icelandair
Deal found 5/19![Icelandair logo]()
$701
This Cheapflightsfares deal was found by Cheapflights users on 5/16. 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.
Wed 10/77:00 am
SEA
- AGP
2 stops32h 05m
SWISS
Wed 10/216:30 am
AGP
- SEA
2 stops21h 02m
SWISS
Deal found 5/16![SWISS logo]()
$703
This Mytrip deal was found by Cheapflights users on 5/17. 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 8/193:40 pm
SEA
- PMI
2 stops19h 25m
Multiple Airlines
Mon 8/246:45 am
PMI
- SEA
2 stops22h 55m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$706
Best flights from Seattle to SpainDiscover carefully curated flight deals from Seattle to Spain that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 21, 2026.
Discover carefully curated flight deals from Seattle to Spain that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 21, 2026.
This KLM deal was found by Cheapflights users on 5/19. 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.
Tue 9/291:30 pm
SEA
- BIO
1 stop19h 00m
KLM
Fri 10/96:45 am
BIO
- SEA
1 stop14h 07m
KLM
Deal found 5/19![KLM logo]()
$726
This United Airlines deal was found by Cheapflights users on 5/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1110:58 pm
SEA
- BIO
2 stops32h 02m
United Airlines
Wed 10/287:25 am
BIO
- SEA
2 stops21h 29m
United Airlines
Deal found 5/20![United Airlines logo]()
$743
This Delta deal was found by Cheapflights users on 5/16. 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.
Tue 9/112:00 pm
SEA
- BIO
2 stops19h 30m
Delta
Tue 9/86:45 am
BIO
- SEA
1 stop14h 02m
Delta
Deal found 5/16![Delta logo]()
$766
This Lufthansa deal was found by Cheapflights users on 5/20. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:50 pm
SEA
- BIO
1 stop19h 35m
Lufthansa
Fri 9/256:45 am
BIO
- SEA
1 stop14h 10m
Lufthansa
Deal found 5/20![Lufthansa logo]()
$766
This Turkish Airlines deal was found by Cheapflights users on 5/18. 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 10/157:15 pm
SEA
- SVQ
1 stop30h 25m
Turkish Airlines
Mon 10/2611:50 am
SVQ
- SEA
1 stop38h 15m
Turkish Airlines
Deal found 5/18![Turkish Airlines logo]()
$807
This British Airways deal was found by Cheapflights users on 5/20. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/283:12 pm
SEA
- GRX
2 stops20h 58m
British Airways
Tue 10/209:55 am
GRX
- SEA
2 stops21h 56m
British Airways
Deal found 5/20![British Airways logo]()
$841
This Justfly.com deal was found by Cheapflights users on 5/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/36:10 pm
SEA
- PMI
1 stop16h 05m
Condor
Mon 8/179:00 am
PMI
- SEA
1 stop16h 10m
Condor
Deal found 5/16![Condor logo]()
$841
This Mytrip deal was found by Cheapflights users on 5/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:00 am
SEA
- PMI
2 stops32h 25m
Multiple Airlines
Wed 7/811:05 pm
PMI
- SEA
3 stops43h 35m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$901
This Air Canada deal was found by Cheapflights users on 5/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:20 pm
SEA
- SVQ
2 stops55h 05m
Air Canada
Thu 10/19:50 am
SVQ
- SEA
2 stops21h 52m
Air Canada
Deal found 5/20![Air Canada logo]()
$930
This Kiwi.com deal was found by Cheapflights users on 5/16. 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.
Mon 7/61:30 pm
SEA
- IBZ
1 stop15h 00m
Air France
Tue 7/2110:20 am
IBZ
- SEA
2 stops21h 29m
Air France
Deal found 5/16![Air France logo]()
$967
This SWISS deal was found by Cheapflights users on 5/19. 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.
Mon 10/127:00 am
SEA
- BCN
2 stops16h 50m
SWISS
Tue 10/276:20 am
BCN
- SEA
2 stops24h 09m
SWISS
Deal found 5/19![SWISS logo]()
$990
This American Airlines deal was found by Cheapflights users on 5/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:48 am
SEA
- GRX
2 stops36h 37m
American Airlines
Fri 10/26:30 am
GRX
- SEA
2 stops26h 45m
American Airlines
Deal found 5/17![American Airlines logo]()
$1,080
This KAYAK deal was found by Cheapflights users on 5/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1612:00 pm
SEA
- GRX
2 stops20h 10m
Iberia
Sun 10/251:45 pm
GRX
- SEA
2 stops41h 09m
Iberia
Deal found 5/19![Iberia logo]()
$1,153
This United Airlines deal was found by Cheapflights users on 5/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1110:58 pm
SEA
- BIO
2 stops32h 02m
United Airlines
Thu 10/296:45 am
BIO
- SEA
3 stops24h 36m
United Airlines
Deal found 5/20![United Airlines logo]()
$744
This Delta deal was found by Cheapflights users on 5/21. 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.
Sun 9/276:45 pm
SEA
- BIO
1 stop13h 45m
Delta
Sat 10/176:45 am
BIO
- SEA
2 stops19h 14m
Delta
Deal found 5/21![Delta logo]()
$787
This Lufthansa deal was found by Cheapflights users on 5/19. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/102:10 pm
SEA
- VLC
1 stop18h 20m
Lufthansa
Sun 6/1411:50 am
VLC
- SEA
2 stops19h 50m
Lufthansa
Deal found 5/19![Lufthansa logo]()
$796
This United Airlines deal was found by Cheapflights users on 5/18. 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 10/1710:58 pm
SEA
- BIO
2 stops39h 27m
United Airlines
Wed 10/216:50 am
BIO
- SEA
1 stop14h 30m
United Airlines
Deal found 5/18![United Airlines logo]()
$745
This Turkish Airlines deal was found by Cheapflights users on 5/17. 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.
Sat 10/177:15 pm
SEA
- SVQ
1 stop30h 20m
Turkish Airlines
Fri 10/236:35 pm
SVQ
- SEA
1 stop31h 45m
Turkish Airlines
Deal found 5/17![Turkish Airlines logo]()
$837
This KLM deal was found by Cheapflights users on 5/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/91:30 pm
SEA
- SVQ
1 stop18h 00m
KLM
Tue 10/2010:25 am
SVQ
- SEA
1 stop15h 14m
KLM
Deal found 5/16![KLM logo]()
$857
This Delta deal was found by Cheapflights users on 5/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1110:35 am
SEA
- VLC
2 stops20h 40m
Delta
Fri 8/216:35 am
VLC
- SEA
1 stop14h 02m
Delta
Deal found 5/18![Delta logo]()
$821
This Condor deal was found by Cheapflights users on 5/16. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/125:40 pm
SEA
- BCN
1 stop13h 25m
Condor
Sat 8/225:00 pm
BCN
- SEA
1 stop31h 40m
Condor
Deal found 5/16![Condor logo]()
$926
This United Airlines deal was found by Cheapflights users on 5/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1811:00 pm
SEA
- BIO
2 stops26h 45m
United Airlines
Fri 9/256:45 am
BIO
- SEA
1 stop14h 10m
United Airlines
Deal found 5/20![United Airlines logo]()
$780
This KLM deal was found by Cheapflights users on 5/18. 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.
Sat 8/81:50 pm
SEA
- PMI
1 stop16h 25m
KLM
Tue 8/182:40 pm
PMI
- SEA
1 stop34h 47m
KLM
Deal found 5/18![KLM logo]()
$873
This KLM deal was found by Cheapflights users on 5/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/121:30 pm
SEA
- BCN
1 stop16h 20m
Multiple Airlines
Fri 8/211:20 pm
BCN
- SEA
Nonstop11h 25m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$965
This KAYAK deal was found by Cheapflights users on 5/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:00 am
SEA
- PMI
2 stops26h 30m
Lufthansa
Mon 8/173:50 pm
PMI
- SEA
1 stop34h 09m
Lufthansa
Deal found 5/16![Lufthansa logo]()
$911
This Delta deal was found by Cheapflights users on 5/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:20 am
SEA
- SVQ
2 stops31h 05m
Delta
Mon 10/195:15 pm
SVQ
- SEA
1 stop33h 32m
Delta
Deal found 5/17![Delta logo]()
$831
This KLM deal was found by Cheapflights users on 5/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/111:30 pm
SEA
- VLC
1 stop13h 05m
Multiple Airlines
Sun 8/306:35 am
VLC
- SEA
1 stop14h 02m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$967
This British Airways deal was found by Cheapflights users on 5/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/278:20 pm
SEA
- GRX
2 stops39h 50m
British Airways
Thu 10/11:40 pm
GRX
- SEA
2 stops19h 35m
British Airways
Deal found 5/19![British Airways logo]()
$1,065
This Condor deal was found by Cheapflights users on 5/16. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/95:40 pm
SEA
- PMI
1 stop16h 50m
Condor
Fri 8/147:45 am
PMI
- SEA
1 stop17h 15m
Condor
Deal found 5/16![Condor logo]()
$977
This United Airlines deal was found by Cheapflights users on 5/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:00 pm
SEA
- PMI
2 stops48h 30m
United Airlines
Thu 8/2012:15 pm
PMI
- SEA
2 stops43h 30m
United Airlines
Deal found 5/20![United Airlines logo]()
$813
Last-minute flights from Seattle to SpainDiscover last-minute flight deals from Seattle to Spain. Data last updated May 21, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Spain. Data last updated May 21, 2026 and is based on user searches.
This Condor deal was found by Cheapflights users on 5/20. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:05 pm
SEA
- BCN
1 stop19h 05m
Multiple Airlines
Tue 6/98:00 am
BCN
- SEA
2 stops21h 55m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$780
This Condor deal was found by Cheapflights users on 5/20. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:05 pm
SEA
- BCN
1 stop19h 05m
Multiple Airlines
Tue 6/28:00 am
BCN
- SEA
2 stops24h 39m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$800
This FlightHub deal was found by Cheapflights users on 5/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:05 pm
SEA
- BCN
1 stop19h 05m
Condor
Fri 6/58:00 am
BCN
- SEA
1 stop17h 00m
Condor
Deal found 5/20![Condor logo]()
$784
This Cheapflightsfares deal was found by Cheapflights users on 5/21. 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 5/296:00 pm
SEA
- BCN
1 stop19h 10m
Condor
Sun 6/710:25 am
BCN
- SEA
1 stop14h 15m
Condor
Deal found 5/21![Condor logo]()
$783
This Mytrip deal was found by Cheapflights users on 5/17. 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.
Sun 5/313:40 pm
SEA
- BCN
2 stops24h 35m
Multiple Airlines
Sat 6/69:15 am
BCN
- SEA
3 stops46h 25m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$788
This CheapOair deal was found by Cheapflights users on 5/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:10 pm
SEA
- BCN
1 stop19h 00m
Multiple Airlines
Mon 6/88:00 am
BCN
- SEA
2 stops20h 48m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$801
This Mytrip deal was found by Cheapflights users on 5/17. 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 6/17:00 pm
SEA
- MAD
3 stops32h 00m
Multiple Airlines
Tue 6/93:35 pm
MAD
- SEA
3 stops35h 20m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$911
This KAYAK deal was found by Cheapflights users on 5/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:00 pm
SEA
- BCN
1 stop34h 45m
Icelandair
Mon 6/83:45 pm
BCN
- SEA
1 stop13h 55m
Icelandair
Deal found 5/20![Icelandair logo]()
$766
This Icelandair deal was found by Cheapflights users on 5/20. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:00 pm
SEA
- BCN
1 stop34h 45m
Icelandair
Sun 6/75:30 pm
BCN
- SEA
1 stop27h 15m
Icelandair
Deal found 5/20![Icelandair logo]()
$769
This Condor deal was found by Cheapflights users on 5/19. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:05 pm
SEA
- BCN
1 stop19h 05m
Multiple Airlines
Fri 6/58:00 am
BCN
- SEA
2 stops23h 27m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$770
This British Airways deal was found by Cheapflights users on 5/20. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/58:20 pm
SEA
- BCN
1 stop14h 55m
British Airways
Sun 6/218:40 pm
BCN
- SEA
1 stop23h 55m
British Airways
Deal found 5/20![British Airways logo]()
$805
This Cheapflightsfares deal was found by Cheapflights users on 5/21. 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.
Tue 6/236:05 pm
SEA
- BCN
1 stop19h 05m
Condor
Thu 9/178:00 am
BCN
- SEA
1 stop17h 00m
Condor
Deal found 5/21![Condor logo]()
$794
One-way flights from Seattle to SpainSearch for one-way flight options from Seattle to Spain. Find affordable one-way fares based on user searches. Data last updated May 21, 2026.
Search for one-way flight options from Seattle to Spain. Find affordable one-way fares based on user searches. Data last updated May 21, 2026.
This Trip.com deal was found by Cheapflights users on 5/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/153:40 pm
SEA
- BCN
2 stops25h 10m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$279
This Trip.com deal was found by Cheapflights users on 5/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:00 pm
SEA
- BCN
2 stops20h 55m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:00 pm
SEA
- PMI
3 stops41h 50m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 8/183:40 pm
SEA
- BCN
2 stops24h 15m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 5/18. 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.
Tue 8/117:00 pm
SEA
- MAD
3 stops42h 45m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 5/17. 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.
Mon 8/1011:25 pm
SEA
- BCN
3 stops37h 15m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 5/19. 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.
Sat 8/153:40 pm
SEA
- PMI
2 stops23h 05m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 5/19. 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.
Thu 5/287:15 am
SEA
- BCN
3 stops53h 15m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 5/18. 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.
Thu 6/47:00 pm
SEA
- BCN
3 stops42h 20m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 5/17. 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.
Tue 7/283:40 pm
SEA
- BCN
2 stops23h 19m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 8/1511:25 pm
SEA
- MAD
3 stops24h 55m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 6/47:00 pm
SEA
- MAD
3 stops42h 00m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$327
Find flight deals from Seattle to Spain
Keep the following information in mind while searching for Seattle to Spain flight deals. Data was last updated May 21, 2026.
Round-trip from | $582 (Lufthansa) |
|---|---|
One-way from | $279 (Trip.com) |
Popular in | June |
Cheapest in | January |
Average price | $818 |
Good round-trip deal | $1,025 or less |
Good one-way deal | $688 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Spain 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 May 21, 2026.
Use the filters below to find and compare flights from Seattle to Spain that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleBilbao
SEA - BIO
SEABIO
Seattle/Tacoma Intl
Tue 9/29
1:30 pm-5:30 pm
1 stop19h 00m
Bilbao
Fri 10/9
6:45 am-11:52 am
1 stop14h 07m
$726
SeattleBilbao
SEA - BIO
SEABIO
Seattle/Tacoma Intl
Sun 10/11
10:58 pm-4:00 pm
2 stops32h 02m
Bilbao
Wed 10/28
7:25 am-8:54 pm
2 stops21h 29m
$743
SeattleBilbao
SEA - BIO
SEABIO
Seattle/Tacoma Intl
Sun 10/11
10:58 pm-4:00 pm
2 stops32h 02m
Bilbao
Thu 10/29
6:45 am-11:21 pm
3 stops24h 36m
$744
SeattleBilbao
SEA - BIO
SEABIO
Seattle/Tacoma Intl
Sat 10/17
10:58 pm-11:25 pm
2 stops39h 27m
Bilbao
Wed 10/21
6:50 am-12:20 pm
1 stop14h 30m
$745
SeattleBilbao
SEA - BIO
SEABIO
Seattle/Tacoma Intl
Tue 9/1
12:00 pm-4:30 pm
2 stops19h 30m
Bilbao
Tue 9/8
6:45 am-11:47 am
1 stop14h 02m
$766
SeattleBilbao
SEA - BIO
SEABIO
Seattle/Tacoma Intl
Fri 9/18
6:50 pm-11:25 pm
1 stop19h 35m
Bilbao
Fri 9/25
6:45 am-11:55 am
1 stop14h 10m
$766
SeattleBilbao
SEA - BIO
SEABIO
Seattle/Tacoma Intl
Fri 9/18
11:00 pm-10:45 am
2 stops26h 45m
Bilbao
Fri 9/25
6:45 am-11:55 am
1 stop14h 10m
$780
SeattleBilbao
SEA - BIO
SEABIO
Seattle/Tacoma Intl
Sun 9/27
6:45 pm-5:30 pm
1 stop13h 45m
Bilbao
Sat 10/17
6:45 am-4:59 pm
2 stops19h 14m
$787
SeattleValencia
SEA - VLC
SEAVLC
Seattle/Tacoma Intl
Wed 6/10
2:10 pm-5:30 pm
1 stop18h 20m
Valencia
Sun 6/14
11:50 am-10:40 pm
2 stops19h 50m
$796
SeattleSeville
SEA - SVQ
SEASVQ
Seattle/Tacoma Intl
Thu 10/15
7:15 pm-10:40 am
1 stop30h 25m
Sevilla
Mon 10/26
11:50 am-6:05 pm
1 stop38h 15m
$807
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Seattle to Spain
Have a flexible travel schedule? Discover the best time to fly to Spain from Seattle with our price prediction graph.
SEA-PMI
SEA-BIO
SEA-MAD
SEA-AGP
SEA-SVQ
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 Seattle to Spain
SEA-ES0
SEA-PMI
SEA-BIO
SEA-MAD
SEA-AGP
What is the cheapest month to book a flight from Seattle to Spain?
Currently, February is the cheapest month in which you can book a flight from Seattle to Spain (average of $264). Flying from Seattle to Spain in May is currently the most expensive (average of $1,768). 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.
What is the cheapest time of day to fly from SEA to ES?
Find hourly flight availability from Seattle to Spain. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 21, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Spain as you normally would.
How often are flights from Seattle to Spain delayed?
About 0% of weekly flights between Seattle and Spain have experienced delays in the past year, with the average delay time being 0 minutes.
What is the most punctual flight time for Seattle to Spain flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Friday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
How far ahead should I book a flight from Seattle to Spain?
Booking 53 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Spain. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Spain
Get insights into the airlines that provide service to Spain. 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 Spain. Reviews last updated May 21, 2026.
Read reviews from past customers who have flown Delta,Icelandair, andLufthansa from Seattle to Spain. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Seattle to Spain. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Seattle to Spain
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Complete your trip
Complete your trip to Spain by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Spain by cabin class
Find flights from Seattle to Spain, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Spain flights
Browse other Seattle and Spain flight options. Last updated on May 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Seattle to Spain flights
Consider these flights traveling from Seattle to Spain.
Fly to Spain regions
Consider these flights traveling to Spain regions.
Top 10 airlines flying from Seattle to Spain
Discover the top 10 airlines that operate flights from Seattle to Spain. 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 May 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$123 | Average$1,152 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$367 | Average$637 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$425 | Average$794 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$439 | Average$783 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$465 | Average$663 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$471 | Average$849 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$473 | Average$887 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$476 | Average$804 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$478 | Average$931 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$478 | Average$693 | FlexibilityNo cancel fee | On-time67% |