$280+ 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MAD
Jun 15 — Jun 221
Round-trip
1 adult, Economy
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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 16, 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 16, 2026.
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 11/253:10 pm
SEA
- PMI
1 stop17h 05m
Lufthansa
Tue 1/196:20 pm
PMI
- SEA
1 stop28h 00m
Lufthansa
Deal found 5/15![Lufthansa logo]()
$570
This FlightHub deal was found by Cheapflights users on 5/11. 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 5/11![Scandinavian Airlines logo]()
$637
This SmartFares deal was found by Cheapflights users on 5/11. 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.
Sun 8/95:40 pm
SEA
- PMI
1 stop16h 50m
Condor
Tue 8/257:50 am
PMI
- SEA
1 stop16h 50m
Condor
Deal found 5/11![Condor logo]()
$653
This Scandinavian Airlines deal was found by Cheapflights users on 5/11. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/223:55 pm
SEA
- BIO
1 stop17h 50m
Scandinavian Airlines
Fri 10/27:35 pm
BIO
- SEA
1 stop27h 10m
Scandinavian Airlines
Deal found 5/11![Scandinavian Airlines logo]()
$661
This KAYAK deal was found by Cheapflights users on 5/14. 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.
Sat 8/293:55 pm
SEA
- ALC
1 stop35h 45m
Scandinavian Airlines
Wed 9/161:10 pm
ALC
- SEA
2 stops57h 35m
Scandinavian Airlines
Deal found 5/14![Scandinavian Airlines logo]()
$671
This KAYAK deal was found by Cheapflights users on 5/14. 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 8/303:55 pm
SEA
- ALC
2 stops36h 05m
Scandinavian Airlines
Sat 9/1212:00 pm
ALC
- SEA
2 stops34h 45m
Scandinavian Airlines
Deal found 5/14![Scandinavian Airlines logo]()
$672
This SmartFares deal was found by Cheapflights users on 5/11. 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.
Mon 8/106:10 pm
SEA
- PMI
1 stop16h 05m
Condor
Mon 8/248:05 pm
PMI
- SEA
1 stop28h 35m
Condor
Deal found 5/11![Condor logo]()
$674
This KAYAK deal was found by Cheapflights users on 5/14. 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.
Sat 8/293:55 pm
SEA
- ALC
2 stops41h 45m
Scandinavian Airlines
Sat 9/1212:00 pm
ALC
- SEA
2 stops34h 45m
Scandinavian Airlines
Deal found 5/14![Scandinavian Airlines logo]()
$675
This Mytrip deal was found by Cheapflights users on 5/11. 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 8/98:00 am
SEA
- PMI
2 stops30h 15m
Multiple Airlines
Tue 8/256:05 am
PMI
- SEA
2 stops24h 02m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$682
This Scandinavian Airlines deal was found by Cheapflights users on 5/14. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/303:55 pm
SEA
- ALC
1 stop34h 20m
Scandinavian Airlines
Thu 9/1711:30 am
ALC
- SEA
1 stop35h 15m
Scandinavian Airlines
Deal found 5/14![Scandinavian Airlines logo]()
$694
This Air France deal was found by Cheapflights users on 5/12. 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.
Tue 11/247:20 am
SEA
- PMI
2 stops19h 15m
Air France
Tue 1/198:00 am
PMI
- SEA
2 stops25h 09m
Air France
Deal found 5/12![Air France logo]()
$697
This KAYAK deal was found by Cheapflights users on 5/14. 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.
Sat 8/293:55 pm
SEA
- ALC
1 stop35h 45m
Scandinavian Airlines
Sun 9/138:45 pm
ALC
- SEA
2 stops50h 00m
Scandinavian Airlines
Deal found 5/14![Scandinavian Airlines logo]()
$701
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 16, 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 16, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 5/12. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/273:55 pm
SEA
- ALC
1 stop34h 20m
Scandinavian Airlines
Thu 10/111:05 am
ALC
- SEA
2 stops35h 40m
Scandinavian Airlines
Deal found 5/12![Scandinavian Airlines logo]()
$739
This United Airlines deal was found by Cheapflights users on 5/13. 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 10/197:00 am
SEA
- VLC
2 stops19h 55m
United Airlines
Thu 10/225:55 am
VLC
- SEA
1 stop15h 25m
United Airlines
Deal found 5/13![United Airlines logo]()
$746
This KLM deal was found by Cheapflights users on 5/12. 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 8/111:30 pm
SEA
- VLC
1 stop17h 45m
Multiple Airlines
Fri 8/216:35 am
VLC
- SEA
1 stop14h 02m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$757
This Condor deal was found by Cheapflights users on 5/13. 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.
Thu 6/116:05 pm
SEA
- BCN
1 stop19h 05m
Condor
Mon 6/225:00 pm
BCN
- SEA
1 stop31h 40m
Condor
Deal found 5/13![Condor logo]()
$793
This Delta deal was found by Cheapflights users on 5/14. 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 8/412:36 pm
SEA
- AGP
2 stops21h 04m
Delta
Fri 8/215:55 am
AGP
- SEA
1 stop14h 20m
Delta
Deal found 5/14![Delta logo]()
$830
This KLM deal was found by Cheapflights users on 5/13. 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 7/81:45 pm
SEA
- ALC
1 stop21h 55m
KLM
Tue 7/2110:10 pm
ALC
- SEA
1 stop22h 23m
KLM
Deal found 5/13![KLM logo]()
$910
This Gotogate deal was found by Cheapflights users on 5/13. 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.
Tue 5/1910:45 am
SEA
- BIO
2 stops21h 25m
Air Canada
Tue 6/26:50 am
BIO
- SEA
2 stops20h 40m
Air Canada
Deal found 5/13![Air Canada logo]()
$950
This British Airways deal was found by Cheapflights users on 5/14. 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 9/277:40 am
SEA
- ALC
2 stops40h 30m
British Airways
Thu 10/11:40 pm
ALC
- SEA
2 stops19h 35m
British Airways
Deal found 5/14![British Airways logo]()
$962
This JetBlue deal was found by Cheapflights users on 5/13. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/911:45 am
SEA
- MAD
1 stop14h 45m
JetBlue
Fri 8/72:05 pm
MAD
- SEA
1 stop17h 44m
JetBlue
Deal found 5/13![JetBlue logo]()
$1,036
This SWISS deal was found by Cheapflights users on 5/13. 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 5/1910:45 am
SEA
- SVQ
2 stops37h 20m
SWISS
Tue 6/29:40 am
SVQ
- SEA
2 stops17h 50m
SWISS
Deal found 5/13![SWISS logo]()
$1,045
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.
Thu 7/236:50 pm
SEA
- BIO
1 stop19h 35m
Lufthansa
Wed 7/297:15 am
BIO
- SEA
1 stop18h 44m
Lufthansa
Deal found 5/15![Lufthansa logo]()
$1,053
This Justfly.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 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 5/15![Condor logo]()
$841
This Condor deal was found by Cheapflights users on 5/12. 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 8/25:40 pm
SEA
- BCN
1 stop13h 20m
Multiple Airlines
Mon 8/248:00 am
BCN
- SEA
2 stops21h 32m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$850
This KLM deal was found by Cheapflights users on 5/14. 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.
Sun 7/51:30 pm
SEA
- PMI
1 stop21h 10m
KLM
Fri 7/177:05 am
PMI
- SEA
1 stop17h 30m
KLM
Deal found 5/14![KLM logo]()
$911
This Scandinavian Airlines deal was found by Cheapflights users on 5/11. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:55 pm
SEA
- MAD
2 stops34h 15m
Scandinavian Airlines
Sun 9/136:35 pm
MAD
- SEA
2 stops33h 30m
Scandinavian Airlines
Deal found 5/11![Scandinavian Airlines logo]()
$917
This Delta deal was found by Cheapflights users on 5/14. 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 10/16:40 pm
SEA
- MAD
1 stop15h 35m
Delta
Mon 10/1210:25 am
MAD
- SEA
2 stops20h 39m
Delta
Deal found 5/14![Delta logo]()
$918
This United Airlines deal was found by Cheapflights users on 5/14. 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.
Tue 5/197:00 am
SEA
- BIO
2 stops24h 00m
United Airlines
Tue 6/26:50 am
BIO
- SEA
1 stop14h 30m
United Airlines
Deal found 5/14![United Airlines logo]()
$967
This Condor deal was found by Cheapflights users on 5/11. 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 8/25:40 pm
SEA
- BCN
1 stop13h 20m
Multiple Airlines
Sun 8/168:00 am
BCN
- SEA
2 stops24h 53m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$890
This British Airways deal was found by Cheapflights users on 5/11. 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 10/187:40 am
SEA
- SDR
2 stops24h 20m
British Airways
Wed 10/216:30 am
SDR
- SEA
2 stops26h 44m
British Airways
Deal found 5/11![British Airways logo]()
$995
This Delta deal was found by Cheapflights users on 5/14. 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 7/51:30 pm
SEA
- PMI
1 stop21h 10m
Delta
Fri 7/1710:55 am
PMI
- SEA
2 stops21h 13m
Delta
Deal found 5/14![Delta logo]()
$922
This KLM deal was found by Cheapflights users on 5/14. 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.
Thu 7/305:40 pm
SEA
- AGP
1 stop31h 00m
KLM
Thu 8/1311:35 pm
AGP
- SEA
1 stop25h 52m
KLM
Deal found 5/14![KLM logo]()
$930
This Scandinavian Airlines deal was found by Cheapflights users on 5/11. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:35 am
SEA
- MAD
2 stops22h 10m
Scandinavian Airlines
Mon 8/316:30 pm
MAD
- SEA
2 stops33h 35m
Scandinavian Airlines
Deal found 5/11![Scandinavian Airlines logo]()
$944
This oojo deal was found by Cheapflights users on 5/12. 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.
Sun 8/97:10 pm
SEA
- SDR
2 stops41h 20m
Iberia
Sat 8/153:10 pm
SDR
- SEA
2 stops35h 00m
Iberia
Deal found 5/12![Iberia logo]()
$2,090
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 8/46:05 pm
SEA
- PMI
1 stop15h 15m
Condor
Sun 8/168:15 pm
PMI
- SEA
1 stop28h 55m
Condor
Deal found 5/14![Condor logo]()
$951
This United Airlines deal was found by Cheapflights users on 5/14. 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.
Wed 7/157:05 am
SEA
- BCN
2 stops21h 10m
United Airlines
Fri 7/247:55 am
BCN
- SEA
1 stop18h 04m
United Airlines
Deal found 5/14![United Airlines logo]()
$971
This Delta deal was found by Cheapflights users on 5/11. 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.
Sat 8/111:15 pm
SEA
- MAD
1 stop22h 05m
Delta
Thu 8/206:00 am
MAD
- SEA
1 stop14h 15m
Delta
Deal found 5/11![Delta logo]()
$927
This JetBlue deal was found by Cheapflights users on 5/14. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/911:35 am
SEA
- MAD
1 stop14h 55m
JetBlue
Wed 6/172:05 pm
MAD
- SEA
1 stop17h 44m
JetBlue
Deal found 5/14![JetBlue logo]()
$1,141
This KLM deal was found by Cheapflights users on 5/14. 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 8/15:45 pm
SEA
- SVQ
1 stop17h 25m
KLM
Thu 8/209:05 pm
SVQ
- SEA
1 stop23h 32m
KLM
Deal found 5/14![KLM logo]()
$952
This KLM 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 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 5/15![Multiple Airlines logo]()
$967
This Scandinavian Airlines deal was found by Cheapflights users on 5/12. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/293:55 pm
SEA
- ALC
2 stops34h 10m
Scandinavian Airlines
Fri 9/1110:40 am
ALC
- SEA
2 stops36h 05m
Scandinavian Airlines
Deal found 5/12![Scandinavian Airlines logo]()
$968
Last-minute flights from Seattle to SpainDiscover last-minute flight deals from Seattle to Spain. Data last updated May 16, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Spain. Data last updated May 16, 2026 and is based on user searches.
This Condor deal was found by Cheapflights users on 5/14. 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 5/186:10 pm
SEA
- BCN
1 stop19h 00m
Condor
Thu 5/288:00 am
BCN
- SEA
1 stop17h 00m
Condor
Deal found 5/14![Condor logo]()
$769
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 5/186:10 pm
SEA
- BCN
1 stop19h 00m
Condor
Wed 6/35:00 pm
BCN
- SEA
1 stop32h 00m
Condor
Deal found 5/14![Condor logo]()
$771
This Expedia deal was found by Cheapflights users on 5/11. 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 5/256:10 pm
SEA
- BCN
1 stop19h 00m
Multiple Airlines
Thu 5/288:00 am
BCN
- SEA
2 stops20h 48m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$730
This Cheapflightsfares deal was found by Cheapflights users on 5/11. 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.
Mon 5/256:10 pm
SEA
- BCN
1 stop19h 00m
Condor
Thu 5/2810:15 am
BCN
- SEA
1 stop14h 45m
Condor
Deal found 5/11![Condor logo]()
$763
This Expedia deal was found by Cheapflights users on 5/11. 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 5/275:40 pm
SEA
- BCN
1 stop19h 30m
Condor
Thu 6/410:15 am
BCN
- SEA
1 stop14h 45m
Condor
Deal found 5/11![Condor logo]()
$720
This Expedia deal was found by Cheapflights users on 5/11. 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 5/275:40 pm
SEA
- BCN
1 stop19h 30m
Multiple Airlines
Thu 6/48:00 am
BCN
- SEA
2 stops19h 54m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$768
This oojo deal was found by Cheapflights users on 5/12. 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.
Sun 5/315:40 pm
SEA
- BCN
1 stop13h 20m
Condor
Wed 6/175:00 pm
BCN
- SEA
1 stop32h 00m
Condor
Deal found 5/12![Condor logo]()
$739
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 6/75:40 pm
SEA
- BCN
1 stop13h 20m
Condor
Tue 6/2310:25 am
BCN
- SEA
1 stop14h 15m
Condor
Deal found 5/13![Condor logo]()
$742
This FlightHub deal was found by Cheapflights users on 5/13. 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.
Mon 6/86:10 pm
SEA
- BCN
1 stop19h 00m
Condor
Tue 6/2310:25 am
BCN
- SEA
1 stop14h 15m
Condor
Deal found 5/13![Condor logo]()
$735
This FlightHub deal was found by Cheapflights users on 5/13. 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.
Mon 6/86:10 pm
SEA
- BCN
1 stop19h 00m
Condor
Mon 6/225:00 pm
BCN
- SEA
1 stop31h 40m
Condor
Deal found 5/13![Condor logo]()
$756
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 6/105:40 pm
SEA
- BCN
1 stop13h 25m
Condor
Wed 6/175:00 pm
BCN
- SEA
1 stop32h 00m
Condor
Deal found 5/11![Condor logo]()
$755
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 6/116:05 pm
SEA
- BCN
1 stop13h 00m
Condor
Tue 6/2310:25 am
BCN
- SEA
1 stop14h 15m
Condor
Deal found 5/13![Condor logo]()
$753
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 16, 2026.
Search for one-way flight options from Seattle to Spain. Find affordable one-way fares based on user searches. Data last updated May 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 8/311:25 pm
SEA
- BCN
2 stops40h 30m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 8/173:40 pm
SEA
- VLC
2 stops23h 50m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 8/711:25 pm
SEA
- PMI
2 stops39h 20m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 5/13. 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
- VLC
3 stops32h 10m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$305
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.
Mon 8/177:00 pm
SEA
- SVQ
3 stops40h 35m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 9/287:00 pm
SEA
- VLC
3 stops29h 45m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 8/43:40 pm
SEA
- BCN
2 stops24h 15m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$310
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.
Tue 6/23:40 pm
SEA
- BCN
3 stops43h 40m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 5/13![Multiple Airlines logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 9/277:00 pm
SEA
- VLC
3 stops33h 20m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 5/14![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 10/27:00 pm
SEA
- VLC
3 stops34h 50m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$318
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 16, 2026.
Round-trip from | $637 (FlightHub) |
|---|---|
One-way from | $280 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $818 |
Good round-trip deal | $1,023 or less |
Good one-way deal | $708 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 16, 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
SeattleAlicante
SEA - ALC
SEAALC
Seattle/Tacoma Intl
Sun 9/27
3:55 pm-11:15 am
1 stop34h 20m
Alicante
Thu 10/1
11:05 am-1:45 pm
2 stops35h 40m
$739
SeattleValencia
SEA - VLC
SEAVLC
Seattle/Tacoma Intl
Mon 10/19
7:00 am-11:55 am
2 stops19h 55m
Valencia
Thu 10/22
5:55 am-12:20 pm
1 stop15h 25m
$746
SeattleValencia
SEA - VLC
SEAVLC
Seattle/Tacoma Intl
Tue 8/11
1:30 pm-4:15 pm
1 stop17h 45m
Valencia
Fri 8/21
6:35 am-11:37 am
1 stop14h 02m
$757
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
Thu 6/11
6:05 pm-10:10 pm
1 stop19h 05m
Barcelona-El Prat
Mon 6/22
5:00 pm-3:40 pm
1 stop31h 40m
$793
SeattleMálaga
SEA - AGP
SEAAGP
Seattle/Tacoma Intl
Tue 8/4
12:36 pm-6:40 pm
2 stops21h 04m
Malaga
Fri 8/21
5:55 am-11:15 am
1 stop14h 20m
$830
SeattlePalma de Mallorca
SEA - PMI
SEAPMI
Seattle/Tacoma Intl
Mon 8/3
6:10 pm-7:15 pm
1 stop16h 05m
Palma de Mallorca Son Sant Joan
Mon 8/17
9:00 am-4:10 pm
1 stop16h 10m
$841
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
Sun 8/2
5:40 pm-4:00 pm
1 stop13h 20m
Barcelona-El Prat
Mon 8/24
8:00 am-8:32 pm
2 stops21h 32m
$850
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
Sun 8/2
5:40 pm-4:00 pm
1 stop13h 20m
Barcelona-El Prat
Sun 8/16
8:00 am-11:53 pm
2 stops24h 53m
$890
SeattleAlicante
SEA - ALC
SEAALC
Seattle/Tacoma Intl
Wed 7/8
1:45 pm-8:40 pm
1 stop21h 55m
Alicante
Tue 7/21
10:10 pm-11:33 am
1 stop22h 23m
$910
SeattlePalma de Mallorca
SEA - PMI
SEAPMI
Seattle/Tacoma Intl
Sun 7/5
1:30 pm-7:40 pm
1 stop21h 10m
Palma de Mallorca Son Sant Joan
Fri 7/17
7:05 am-3:35 pm
1 stop17h 30m
$911
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-ALC
SEA-BIO
SEA-VLC
SEA-BCN
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-ALC
SEA-BIO
SEA-VLC
How far ahead should I book a flight from Seattle to Spain?
Booking 46 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.
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 $1,824). 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 16, 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.
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 16, 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
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Overall
7.9
Food
7.2
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 16, 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 16, 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$793 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$439 | Average$788 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$465 | Average$663 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$471 | Average$846 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$476 | Average$804 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$478 | Average$928 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$478 | Average$732 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$479 | Average$816 | FlexibilityNo cancel fee | On-time70% |