$189+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MAD
Aug 13 — Aug 201
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 July 14, 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 July 14, 2026.
This Mytrip deal was found by Cheapflights users on 7/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:00 am
SEA
- AGP
2 stops31h 25m
Multiple Airlines
Wed 8/266:30 am
AGP
- SEA
3 stops25h 12m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$544
This Mytrip deal was found by Cheapflights users on 7/10. 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 8/247:00 pm
SEA
- PMI
2 stops19h 35m
Multiple Airlines
Mon 8/316:45 am
PMI
- SEA
2 stops22h 55m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$592
This Mytrip deal was found by Cheapflights users on 7/9. 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 8/188:00 am
SEA
- AGP
3 stops28h 40m
Multiple Airlines
Tue 8/257:10 am
AGP
- SEA
2 stops22h 57m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$611
This Mytrip deal was found by Cheapflights users on 7/11. 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 10/43:40 pm
SEA
- PMI
2 stops24h 15m
Multiple Airlines
Mon 10/126:05 am
PMI
- SEA
2 stops20h 50m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$631
This Mytrip deal was found by Cheapflights users on 7/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:00 pm
SEA
- ALC
2 stops19h 45m
Multiple Airlines
Tue 8/255:45 am
ALC
- SEA
2 stops21h 10m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$632
This Mytrip deal was found by Cheapflights users on 7/11. 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.
Mon 8/177:00 pm
SEA
- PMI
2 stops19h 35m
Multiple Airlines
Sun 8/307:30 am
PMI
- SEA
2 stops19h 25m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$637
This Mytrip deal was found by Cheapflights users on 7/10. 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.
Fri 9/183:40 pm
SEA
- AGP
2 stops20h 50m
Multiple Airlines
Sat 9/2610:45 am
AGP
- SEA
2 stops18h 55m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$653
This Mytrip deal was found by Cheapflights users on 7/9. 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.
Sat 9/263:40 pm
SEA
- AGP
2 stops21h 20m
Multiple Airlines
Sat 10/39:45 pm
AGP
- SEA
3 stops31h 55m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$666
This Cheapflightsfares deal was found by Cheapflights users on 7/10. 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.
Sun 9/275:40 pm
SEA
- MAD
1 stop19h 15m
Multiple Airlines
Tue 10/207:00 am
MAD
- SEA
1 stop17h 40m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$672
This Mytrip deal was found by Cheapflights users on 7/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:40 pm
SEA
- AGP
2 stops22h 45m
Multiple Airlines
Sun 8/306:20 am
AGP
- SEA
2 stops20h 35m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$673
This SmartFares deal was found by Cheapflights users on 7/10. 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 8/246:10 pm
SEA
- PMI
1 stop16h 05m
Condor
Mon 8/319:00 am
PMI
- SEA
1 stop16h 10m
Condor
Deal found 7/10![Condor logo]()
$675
This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Sun 9/275:40 pm
SEA
- PMI
1 stop16h 50m
Condor
Tue 10/67:50 am
PMI
- SEA
1 stop16h 50m
Condor
Deal found 7/12![Condor logo]()
$685
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 July 14, 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 July 14, 2026.
This Condor deal was found by Cheapflights users on 7/11. 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.
Tue 8/46:05 pm
SEA
- PMI
1 stop15h 15m
Multiple Airlines
Tue 8/257:50 am
PMI
- SEA
2 stops20h 12m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$710
This United Airlines deal was found by Cheapflights users on 7/13. 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.
Sun 10/1810:58 pm
SEA
- PMI
1 stop22h 17m
United Airlines
Thu 10/2212:15 pm
PMI
- SEA
2 stops39h 37m
United Airlines
Deal found 7/13![United Airlines logo]()
$712
This British Airways deal was found by Cheapflights users on 7/10. 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 10/128:20 pm
SEA
- IBZ
1 stop30h 55m
British Airways
Thu 10/156:15 pm
IBZ
- SEA
1 stop33h 10m
British Airways
Deal found 7/10![British Airways logo]()
$731
This Delta deal was found by Cheapflights users on 7/9. 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 10/116:45 pm
SEA
- VLC
1 stop31h 50m
Delta
Tue 10/275:55 am
VLC
- SEA
1 stop16h 55m
Delta
Deal found 7/9![Delta logo]()
$735
This Turkish Airlines deal was found by Cheapflights users on 7/13. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:35 pm
SEA
- MAD
1 stop36h 50m
Turkish Airlines
Sat 10/107:40 am
MAD
- SEA
1 stop18h 40m
Turkish Airlines
Deal found 7/13![Turkish Airlines logo]()
$749
This Cheapflightsfares deal was found by Cheapflights users on 7/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:50 pm
SEA
- BIO
1 stop14h 05m
Lufthansa
Thu 10/86:50 am
BIO
- SEA
2 stops20h 42m
Lufthansa
Deal found 7/13![Lufthansa logo]()
$773
This KLM deal was found by Cheapflights users on 7/13. 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.
Sun 1/102:40 pm
SEA
- ALC
1 stop20h 00m
KLM
Sun 1/244:55 pm
ALC
- SEA
1 stop27h 55m
KLM
Deal found 7/13![KLM logo]()
$781
This SWISS deal was found by Cheapflights users on 7/11. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:40 am
SEA
- PMI
2 stops21h 50m
SWISS
Mon 8/316:20 pm
PMI
- SEA
2 stops33h 47m
SWISS
Deal found 7/11![SWISS logo]()
$832
This Travelocity deal was found by Cheapflights users on 7/9. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/48:20 pm
SEA
- IBZ
2 stops18h 20m
Iberia
Sat 10/173:15 pm
IBZ
- SEA
2 stops29h 20m
Iberia
Deal found 7/9![Iberia logo]()
$865
This Scandinavian Airlines deal was found by Cheapflights users on 7/11. 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.
Sun 9/273:55 pm
SEA
- AGP
1 stop19h 25m
Scandinavian Airlines
Thu 10/112:30 pm
AGP
- SEA
1 stop34h 15m
Scandinavian Airlines
Deal found 7/11![Scandinavian Airlines logo]()
$926
This Mytrip deal was found by Cheapflights users on 7/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:25 pm
SEA
- TFS
1 stop34h 00m
Icelandair
Thu 9/36:25 pm
TFS
- SEA
2 stops35h 05m
Icelandair
Deal found 7/13![Icelandair logo]()
$1,142
This FlightHub deal was found by Cheapflights users on 7/9. 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 12/193:15 pm
SEA
- TFS
2 stops34h 50m
Air Canada
Sun 1/311:15 am
TFS
- SEA
2 stops39h 07m
Air Canada
Deal found 7/9![Air Canada logo]()
$1,376
This Mytrip deal was found by Cheapflights users on 7/9. 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 9/78:00 am
SEA
- ALC
3 stops30h 45m
Multiple Airlines
Sun 9/208:45 pm
ALC
- SEA
2 stops24h 10m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$726
This British Airways deal was found by Cheapflights users on 7/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/181:30 pm
SEA
- PMI
1 stop16h 10m
British Airways
Thu 10/221:00 pm
PMI
- SEA
1 stop14h 25m
British Airways
Deal found 7/13![British Airways logo]()
$732
This Delta deal was found by Cheapflights users on 7/11. 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.
Tue 11/177:20 am
SEA
- VLC
2 stops19h 35m
Delta
Tue 11/246:00 am
VLC
- SEA
2 stops22h 05m
Delta
Deal found 7/11![Delta logo]()
$740
This KLM deal was found by Cheapflights users on 7/12. 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 9/295:45 pm
SEA
- VLC
1 stop20h 15m
KLM
Tue 10/66:35 am
VLC
- SEA
1 stop19h 00m
KLM
Deal found 7/12![KLM logo]()
$790
This Lufthansa deal was found by Cheapflights users on 7/10. 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 11/262:00 pm
SEA
- PMI
1 stop18h 10m
Lufthansa
Tue 1/266:25 pm
PMI
- SEA
1 stop27h 35m
Lufthansa
Deal found 7/10![Lufthansa logo]()
$799
This Condor deal was found by Cheapflights users on 7/11. 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.
Sat 10/176:00 pm
SEA
- BCN
1 stop19h 10m
Multiple Airlines
Thu 10/228:00 am
BCN
- SEA
2 stops22h 25m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$730
This United Airlines deal was found by Cheapflights users on 7/9. 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 10/77:00 am
SEA
- MAD
1 stop17h 00m
United Airlines
Fri 10/236:00 am
MAD
- SEA
1 stop15h 20m
United Airlines
Deal found 7/9![United Airlines logo]()
$805
This Turkish Airlines deal was found by Cheapflights users on 7/12. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:15 pm
SEA
- SVQ
1 stop30h 25m
Turkish Airlines
Wed 10/2111:50 am
SVQ
- SEA
1 stop38h 30m
Turkish Airlines
Deal found 7/12![Turkish Airlines logo]()
$805
This Delta deal was found by Cheapflights users on 7/11. 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.
Wed 9/307:23 am
SEA
- MAD
1 stop13h 57m
Delta
Fri 10/3010:00 am
MAD
- SEA
1 stop17h 23m
Delta
Deal found 7/11![Delta logo]()
$750
This Condor deal was found by Cheapflights users on 7/13. 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.
Wed 10/146:28 am
SEA
- BCN
2 stops30h 42m
Multiple Airlines
Mon 10/267:00 am
BCN
- SEA
1 stop17h 55m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$730
This United Airlines deal was found by Cheapflights users on 7/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:00 am
SEA
- MAD
1 stop17h 00m
United Airlines
Wed 10/145:55 am
MAD
- SEA
1 stop15h 25m
United Airlines
Deal found 7/12![United Airlines logo]()
$805
This Turkish Airlines deal was found by Cheapflights users on 7/9. 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 10/17:15 pm
SEA
- SVQ
1 stop30h 25m
Turkish Airlines
Sat 10/1711:35 am
SVQ
- SEA
1 stop38h 45m
Turkish Airlines
Deal found 7/9![Turkish Airlines logo]()
$806
This Lufthansa deal was found by Cheapflights users on 7/9. 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 10/92:10 pm
SEA
- VLC
2 stops17h 55m
Lufthansa
Thu 10/225:55 am
VLC
- SEA
2 stops17h 27m
Lufthansa
Deal found 7/9![Lufthansa logo]()
$812
This KLM deal was found by Cheapflights users on 7/13. 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.
Sun 8/165:45 pm
SEA
- ALC
1 stop13h 40m
KLM
Mon 8/248:20 pm
ALC
- SEA
1 stop24h 17m
KLM
Deal found 7/13![KLM logo]()
$820
This British Airways deal was found by Cheapflights users on 7/9. 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.
Tue 8/111:30 pm
SEA
- VLC
1 stop21h 05m
British Airways
Tue 8/256:15 am
VLC
- SEA
2 stops23h 37m
British Airways
Deal found 7/9![British Airways logo]()
$824
This Delta deal was found by Cheapflights users on 7/9. 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 10/101:30 pm
SEA
- VLC
1 stop13h 05m
Delta
Fri 10/236:35 am
VLC
- SEA
1 stop19h 00m
Delta
Deal found 7/9![Delta logo]()
$775
This United Airlines deal was found by Cheapflights users on 7/10. 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 11/2411:16 pm
SEA
- PMI
2 stops31h 39m
United Airlines
Sun 1/244:45 pm
PMI
- SEA
1 stop28h 15m
United Airlines
Deal found 7/10![United Airlines logo]()
$813
This Iberia deal was found by Cheapflights users on 7/11. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:20 pm
SEA
- IBZ
2 stops27h 05m
Iberia
Thu 10/155:55 pm
IBZ
- SEA
2 stops26h 40m
Iberia
Deal found 7/11![Iberia logo]()
$991
Last-minute flights from Seattle to SpainDiscover last-minute flight deals from Seattle to Spain. Data last updated July 14, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Spain. Data last updated July 14, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 7/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:05 pm
SEA
- BCN
1 stop19h 05m
Condor
Tue 8/185:00 pm
BCN
- SEA
1 stop31h 40m
Condor
Deal found 7/14![Condor logo]()
$689
This Mytrip deal was found by Cheapflights users on 7/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:00 am
SEA
- BCN
3 stops29h 50m
Multiple Airlines
Tue 8/186:00 pm
BCN
- SEA
3 stops31h 59m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$696
This Mytrip deal was found by Cheapflights users on 7/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:00 pm
SEA
- ALC
2 stops19h 45m
Multiple Airlines
Tue 8/255:45 am
ALC
- SEA
2 stops21h 10m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$632
This Mytrip deal was found by Cheapflights users on 7/11. 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.
Mon 8/177:00 pm
SEA
- PMI
2 stops19h 35m
Multiple Airlines
Sun 8/307:30 am
PMI
- SEA
2 stops19h 25m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$637
This Mytrip deal was found by Cheapflights users on 7/9. 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 8/188:00 am
SEA
- AGP
3 stops28h 40m
Multiple Airlines
Tue 8/257:10 am
AGP
- SEA
2 stops22h 57m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$611
This Mytrip deal was found by Cheapflights users on 7/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:00 am
SEA
- AGP
2 stops31h 25m
Multiple Airlines
Wed 8/266:30 am
AGP
- SEA
3 stops25h 12m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$544
This Mytrip deal was found by Cheapflights users on 7/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:40 pm
SEA
- AGP
2 stops22h 45m
Multiple Airlines
Sun 8/306:20 am
AGP
- SEA
2 stops20h 35m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$673
This Mytrip deal was found by Cheapflights users on 7/10. 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 8/247:00 pm
SEA
- PMI
2 stops19h 35m
Multiple Airlines
Mon 8/316:45 am
PMI
- SEA
2 stops22h 55m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$592
This SmartFares deal was found by Cheapflights users on 7/10. 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 8/246:10 pm
SEA
- PMI
1 stop16h 05m
Condor
Mon 8/319:00 am
PMI
- SEA
1 stop16h 10m
Condor
Deal found 7/10![Condor logo]()
$675
This Trip.com deal was found by Cheapflights users on 7/9. 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 8/257:00 pm
SEA
- AGP
2 stops19h 55m
Multiple Airlines
Mon 8/316:15 am
AGP
- SEA
2 stops38h 30m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$692
This eDestinos deal was found by Cheapflights users on 7/12. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:40 pm
SEA
- MAD
1 stop19h 15m
Multiple Airlines
Wed 9/27:00 am
MAD
- SEA
1 stop17h 40m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$692
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 8/305:40 pm
SEA
- BCN
1 stop13h 20m
Condor
Sat 9/1210:25 am
BCN
- SEA
1 stop14h 35m
Condor
Deal found 7/9![Condor logo]()
$697
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 July 14, 2026.
Search for one-way flight options from Seattle to Spain. Find affordable one-way fares based on user searches. Data last updated July 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 10/208:00 am
SEA
- MAD
2 stops16h 55m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 10/68:00 am
SEA
- MAD
2 stops16h 55m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 10/78:00 am
SEA
- BCN
3 stops29h 45m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 10/68:00 am
SEA
- BCN
3 stops29h 15m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$202
This oojo deal was found by Cheapflights users on 7/9. 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.
Wed 10/218:00 am
SEA
- MAD
2 stops16h 55m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 10/138:00 am
SEA
- MAD
3 stops22h 35m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 11/107:48 am
SEA
- MAD
3 stops32h 22m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 10/278:00 am
SEA
- BCN
3 stops41h 05m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 10/288:00 am
SEA
- BCN
3 stops30h 20m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 10/128:00 am
SEA
- BCN
3 stops22h 55m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Mon 10/198:00 am
SEA
- MAD
3 stops29h 25m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Sun 10/188:00 am
SEA
- MAD
3 stops42h 40m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$218
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 July 14, 2026.
Round-trip from | $544 (Mytrip) |
|---|---|
One-way from | $189 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $948 |
Good round-trip deal | $960 or less |
Good one-way deal | $528 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 July 14, 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
SeattlePalma de Mallorca
SEA - PMI
SEAPMI
Seattle/Tacoma Intl
Tue 8/4
6:05 pm-6:20 pm
1 stop15h 15m
Palma de Mallorca Son Sant Joan
Tue 8/25
7:50 am-7:02 pm
2 stops20h 12m
$710
SeattlePalma de Mallorca
SEA - PMI
SEAPMI
Seattle/Tacoma Intl
Sun 10/18
10:58 pm-6:15 am
1 stop22h 17m
Palma de Mallorca Son Sant Joan
Thu 10/22
12:15 pm-6:52 pm
2 stops39h 37m
$712
SeattleAlicante
SEA - ALC
SEAALC
Seattle/Tacoma Intl
Mon 9/7
8:00 am-11:45 pm
3 stops30h 45m
Alicante
Sun 9/20
8:45 pm-11:55 am
2 stops24h 10m
$726
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
Sat 10/17
6:00 pm-10:10 pm
1 stop19h 10m
Barcelona-El Prat
Thu 10/22
8:00 am-9:25 pm
2 stops22h 25m
$730
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
Wed 10/14
6:28 am-10:10 pm
2 stops30h 42m
Barcelona-El Prat
Mon 10/26
7:00 am-4:55 pm
1 stop17h 55m
$730
SeattleIbiza
SEA - IBZ
SEAIBZ
Seattle/Tacoma Intl
Mon 10/12
8:20 pm-12:15 pm
1 stop30h 55m
Ibiza
Thu 10/15
6:15 pm-6:25 pm
1 stop33h 10m
$731
Quickest round-trip
SeattlePalma de Mallorca
SEA - PMI
SEAPMI
Seattle/Tacoma Intl
Sun 10/18
1:30 pm-2:40 pm
1 stop16h 10m
Palma de Mallorca Son Sant Joan
Thu 10/22
1:00 pm-6:25 pm
1 stop14h 25m
$732
SeattleValencia
SEA - VLC
SEAVLC
Seattle/Tacoma Intl
Sun 10/11
6:45 pm-11:35 am
1 stop31h 50m
Valencia
Tue 10/27
5:55 am-2:50 pm
1 stop16h 55m
$735
SeattleValencia
SEA - VLC
SEAVLC
Seattle/Tacoma Intl
Tue 11/17
7:20 am-11:55 am
2 stops19h 35m
Valencia
Tue 11/24
6:00 am-7:05 pm
2 stops22h 05m
$740
SeattleMadrid
SEA - MAD
SEAMAD
Seattle/Tacoma Intl
Sat 9/12
12:35 pm-10:25 am
1 stop36h 50m
Madrid Barajas
Sat 10/10
7:40 am-5:20 pm
1 stop18h 40m
$749
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-ALC
SEA-AGP
SEA-PMI
SEA-SVQ
SEA-MAD
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-ALC
SEA-AGP
SEA-PMI
SEA-SVQ
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 August is currently the most expensive (average of $1,537). 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 July 14, 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 6% of weekly flights between Seattle and Spain have experienced delays in the past year, with the average delay time being 153 minutes.
What is the most punctual flight time for Seattle to Spain flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Thursday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Seattle to Spain flights?
Over the last year, Delta have had the lowest number of delays on this route, with just 6% of flights being delayed.
How far ahead should I book a flight from Seattle to Spain?
Booking 73 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 July 14, 2026.
Read reviews from past customers who have flown Delta,Air France, 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.
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Overall
7.8
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
See prices for flight routes from nearby airports that may be better suited for you.
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 July 14, 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 July 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$123 | Average$1,222 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$367 | Average$654 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$439 | Average$818 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$454 | Average$853 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$465 | Average$610 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$470 | Average$885 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$471 | Average$852 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$478 | Average$940 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$479 | Average$852 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$480 | Average$1,002 | FlexibilityNo cancel fee | On-time71% |