$192+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MAD
jul. 24 — jul. 311
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 junio 24, 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 junio 24, 2026.
This Virgin Atlantic deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/237:15 am
SEA
- MAD
1 stop17h 40m
Virgin Atlantic
dom. 10/119:50 am
MAD
- SEA
1 stop23h 19m
Virgin Atlantic
Deal found 6/24![Virgin Atlantic logo]()
$468
This Virgin Atlantic deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/76:00 am
SEA
- MAD
1 stop21h 15m
Virgin Atlantic
mar. 9/159:50 am
MAD
- SEA
1 stop23h 09m
Virgin Atlantic
Deal found 6/23![Virgin Atlantic logo]()
$495
This Virgin Atlantic deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/167:20 am
SEA
- MAD
1 stop19h 55m
Virgin Atlantic
sáb. 10/39:50 am
MAD
- SEA
1 stop23h 09m
Virgin Atlantic
Deal found 6/24![Virgin Atlantic logo]()
$559
This Trip.com deal was found by Cheapflights users on 6/19. 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.
mar. 8/187:00 pm
SEA
- ALC
2 stops19h 59m
Multiple Airlines
vie. 9/47:00 am
ALC
- SEA
2 stops22h 40m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$579
This FlightHub deal was found by Cheapflights users on 6/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/115:40 pm
SEA
- PMI
1 stop16h 50m
Condor
jue. 10/221:55 pm
PMI
- SEA
1 stop35h 05m
Condor
Deal found 6/21![Condor logo]()
$633
This Scandinavian Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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.
dom. 9/133:55 pm
SEA
- MAD
1 stop16h 45m
Scandinavian Airlines
jue. 10/17:35 pm
MAD
- SEA
1 stop27h 10m
Scandinavian Airlines
Deal found 6/24![Scandinavian Airlines logo]()
$639
This Scandinavian Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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.
mar. 9/13:55 pm
SEA
- MAD
1 stop16h 45m
Scandinavian Airlines
jue. 9/177:35 pm
MAD
- SEA
1 stop27h 10m
Scandinavian Airlines
Deal found 6/22![Scandinavian Airlines logo]()
$640
This Mytrip deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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.
lun. 8/243:40 pm
SEA
- PMI
2 stops22h 55m
Multiple Airlines
lun. 8/316:45 am
PMI
- SEA
2 stops22h 55m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$642
This Gotogate deal was found by Cheapflights users on 6/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/115:40 am
SEA
- PMI
2 stops17h 50m
Multiple Airlines
jue. 10/2212:15 pm
PMI
- SEA
2 stops19h 27m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$657
This SmartFares deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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.
lun. 8/246:10 pm
SEA
- PMI
1 stop16h 05m
Condor
lun. 8/319:00 am
PMI
- SEA
1 stop16h 10m
Condor
Deal found 6/23![Condor logo]()
$676
This Cheapflightsfares deal was found by Cheapflights users on 6/21. 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.
dom. 9/275:40 pm
SEA
- MAD
1 stop19h 15m
Multiple Airlines
mar. 10/207:00 am
MAD
- SEA
1 stop17h 40m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$684
This Cheapflightsfares deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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.
mar. 9/296:05 pm
SEA
- MAD
1 stop18h 50m
Multiple Airlines
mar. 10/207:00 am
MAD
- SEA
1 stop17h 40m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$689
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 junio 24, 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 junio 24, 2026.
This FlightHub deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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.
lun. 9/286:10 pm
SEA
- PMI
1 stop16h 05m
Condor
dom. 10/47:45 pm
PMI
- SEA
1 stop29h 25m
Condor
Deal found 6/23![Condor logo]()
$701
This United Airlines deal was found by Cheapflights users on 6/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/1110:58 pm
SEA
- PMI
1 stop22h 17m
United Airlines
jue. 10/1512:15 pm
PMI
- SEA
2 stops39h 37m
United Airlines
Deal found 6/19![United Airlines logo]()
$713
This British Airways deal was found by Cheapflights users on 6/19. 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.
dom. 10/181:30 pm
SEA
- VLC
1 stop21h 05m
British Airways
jue. 10/229:20 pm
VLC
- SEA
1 stop23h 15m
British Airways
Deal found 6/19![British Airways logo]()
$731
This Delta deal was found by Cheapflights users on 6/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/107:20 am
SEA
- VLC
2 stops19h 35m
Delta
mar. 11/176:00 am
VLC
- SEA
1 stop14h 47m
Delta
Deal found 6/19![Delta logo]()
$731
This KLM deal was found by Cheapflights users on 6/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/121:45 pm
SEA
- ALC
1 stop33h 35m
KLM
mié. 10/2112:25 pm
ALC
- SEA
1 stop37h 10m
KLM
Deal found 6/20![KLM logo]()
$731
This United deal was found by Cheapflights users on 6/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/1210:58 pm
SEA
- ALC
2 stops48h 57m
Multiple Airlines
mié. 10/218:00 pm
ALC
- SEA
2 stops31h 32m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$737
This Cheapflightsfares deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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.
vie. 8/147:00 pm
SEA
- ALC
1 stop18h 55m
Icelandair
jue. 8/2011:50 pm
ALC
- SEA
1 stop20h 55m
Icelandair
Deal found 6/24![Icelandair logo]()
$763
This Turkish Airlines deal was found by Cheapflights users on 6/21. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/147:15 pm
SEA
- SVQ
1 stop37h 20m
Turkish Airlines
mié. 10/2811:40 am
SVQ
- SEA
1 stop38h 30m
Turkish Airlines
Deal found 6/21![Turkish Airlines logo]()
$807
This Scandinavian Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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.
sáb. 8/293:55 pm
SEA
- ALC
2 stops19h 00m
Scandinavian Airlines
vie. 9/1110:40 am
ALC
- SEA
2 stops36h 05m
Scandinavian Airlines
Deal found 6/22![Scandinavian Airlines logo]()
$819
This Cheapflightsfares deal was found by Cheapflights users on 6/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/198:10 am
SEA
- BIO
2 stops24h 05m
Lufthansa
sáb. 9/56:50 am
BIO
- SEA
2 stops21h 17m
Lufthansa
Deal found 6/19![Lufthansa logo]()
$850
This SWISS deal was found by Cheapflights users on 6/19. 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.
lun. 8/1710:45 am
SEA
- ALC
2 stops23h 25m
SWISS
vie. 9/412:50 pm
ALC
- SEA
2 stops39h 17m
SWISS
Deal found 6/19![SWISS logo]()
$853
This Expedia deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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.
mar. 11/36:50 pm
SEA
- TFS
2 stops22h 15m
Iberia
dom. 11/84:30 pm
TFS
- SEA
1 stop32h 25m
Iberia
Deal found 6/22![Iberia logo]()
$957
This Air Canada deal was found by Cheapflights users on 6/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/37:05 pm
SEA
- TFS
2 stops53h 55m
Air Canada
dom. 11/810:55 am
TFS
- SEA
3 stops30h 22m
Air Canada
Deal found 6/21![Air Canada logo]()
$969
This British Airways deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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.
dom. 10/111:30 pm
SEA
- PMI
1 stop15h 10m
British Airways
jue. 10/151:00 pm
PMI
- SEA
1 stop14h 25m
British Airways
Deal found 6/23![British Airways logo]()
$731
This Delta deal was found by Cheapflights users on 6/21. 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.
lun. 9/289:59 am
SEA
- AGP
2 stops23h 41m
Delta
mié. 10/215:25 pm
AGP
- SEA
1 stop32h 10m
Delta
Deal found 6/21![Delta logo]()
$731
This United Airlines deal was found by Cheapflights users on 6/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/182:10 pm
SEA
- VLC
1 stop18h 25m
United Airlines
jue. 10/225:55 am
VLC
- SEA
2 stops21h 37m
United Airlines
Deal found 6/19![United Airlines logo]()
$740
This Justfly.com deal was found by Cheapflights users on 6/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/77:05 pm
SEA
- VLC
2 stops37h 25m
Multiple Airlines
mar. 11/1712:45 pm
VLC
- SEA
2 stops43h 31m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$752
This Icelandair deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/177:00 pm
SEA
- ALC
1 stop18h 55m
Icelandair
mié. 9/25:35 pm
ALC
- SEA
1 stop33h 20m
Icelandair
Deal found 6/19![Icelandair logo]()
$777
This British Airways deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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.
dom. 10/111:30 pm
SEA
- AGP
1 stop21h 25m
British Airways
jue. 10/1512:40 pm
AGP
- SEA
1 stop14h 45m
British Airways
Deal found 6/23![British Airways logo]()
$731
This Turkish Airlines deal was found by Cheapflights users on 6/20. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/157:15 pm
SEA
- SVQ
1 stop30h 25m
Turkish Airlines
lun. 10/2611:40 am
SVQ
- SEA
1 stop38h 30m
Turkish Airlines
Deal found 6/20![Turkish Airlines logo]()
$807
This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/19. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/237:00 am
SEA
- BCN
3 stops28h 20m
TAP AIR PORTUGAL
vie. 12/116:45 am
BCN
- SEA
2 stops23h 20m
TAP AIR PORTUGAL
Deal found 6/19![TAP AIR PORTUGAL logo]()
$1,622
This Delta deal was found by Cheapflights users on 6/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/276:00 am
SEA
- BIO
2 stops18h 50m
Delta
jue. 10/86:45 am
BIO
- SEA
2 stops19h 14m
Delta
Deal found 6/19![Delta logo]()
$741
This KLM deal was found by Cheapflights users on 6/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/11:30 pm
SEA
- BIO
1 stop35h 20m
KLM
mar. 9/85:15 pm
BIO
- SEA
1 stop27h 32m
KLM
Deal found 6/20![KLM logo]()
$817
This United Airlines deal was found by Cheapflights users on 6/20. 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.
lun. 10/1211:14 pm
SEA
- BIO
2 stops39h 11m
United Airlines
jue. 10/226:50 am
BIO
- SEA
2 stops24h 52m
United Airlines
Deal found 6/20![United Airlines logo]()
$743
This Scandinavian Airlines deal was found by Cheapflights users on 6/19. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/163:55 pm
SEA
- ALC
1 stop34h 20m
Scandinavian Airlines
dom. 9/68:45 pm
ALC
- SEA
2 stops50h 00m
Scandinavian Airlines
Deal found 6/19![Scandinavian Airlines logo]()
$860
This SWISS deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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.
vie. 8/1410:45 am
SEA
- ALC
2 stops40h 15m
SWISS
jue. 8/2012:50 pm
ALC
- SEA
2 stops42h 53m
SWISS
Deal found 6/23![SWISS logo]()
$882
This Turkish Airlines deal was found by Cheapflights users on 6/21. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/167:15 pm
SEA
- SVQ
1 stop37h 20m
Turkish Airlines
dom. 10/255:35 pm
SVQ
- SEA
1 stop32h 35m
Turkish Airlines
Deal found 6/21![Turkish Airlines logo]()
$807
This Condor deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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.
jue. 10/81:28 pm
SEA
- BCN
2 stops23h 42m
Multiple Airlines
dom. 10/1810:25 am
BCN
- SEA
1 stop14h 15m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$830
This United Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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.
sáb. 10/177:20 pm
SEA
- VLC
2 stops37h 15m
United Airlines
mar. 10/2012:55 pm
VLC
- SEA
1 stop32h 25m
United Airlines
Deal found 6/23![United Airlines logo]()
$759
This British Airways deal was found by Cheapflights users on 6/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/121:30 pm
SEA
- AGP
1 stop21h 20m
British Airways
lun. 10/266:45 pm
AGP
- SEA
1 stop31h 10m
British Airways
Deal found 6/21![British Airways logo]()
$772
Last-minute flights from Seattle to SpainDiscover last-minute flight deals from Seattle to Spain. Data last updated junio 24, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Spain. Data last updated junio 24, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 6/19. 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.
sáb. 7/47:00 pm
SEA
- BCN
1 stop12h 25m
Icelandair
sáb. 7/113:45 pm
BCN
- SEA
1 stop29h 00m
Icelandair
Deal found 6/19![Icelandair logo]()
$714
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/55:40 pm
SEA
- BCN
1 stop13h 20m
Condor
mar. 8/1110:25 am
BCN
- SEA
1 stop14h 15m
Condor
Deal found 6/21![Condor logo]()
$801
This Cheapflightsfares deal was found by Cheapflights users on 6/21. 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.
lun. 7/66:10 pm
SEA
- BCN
1 stop19h 00m
Condor
mié. 8/1210:25 am
BCN
- SEA
1 stop14h 15m
Condor
Deal found 6/21![Condor logo]()
$787
This CheapOair deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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.
mar. 7/76:05 pm
SEA
- BCN
1 stop19h 05m
Multiple Airlines
dom. 9/138:00 am
BCN
- SEA
2 stops20h 39m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$781
This Cheapflightsfares deal was found by Cheapflights users on 6/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/76:05 pm
SEA
- BCN
1 stop19h 05m
Condor
jue. 8/68:00 am
BCN
- SEA
1 stop17h 00m
Condor
Deal found 6/20![Condor logo]()
$798
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/911:25 pm
SEA
- BCN
1 stop30h 20m
Icelandair
mié. 7/153:45 pm
BCN
- SEA
1 stop13h 55m
Icelandair
Deal found 6/21![Icelandair logo]()
$742
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/103:40 pm
SEA
- BCN
1 stop14h 05m
Icelandair
mié. 7/153:45 pm
BCN
- SEA
1 stop13h 55m
Icelandair
Deal found 6/21![Icelandair logo]()
$740
This Cheapflightsfares deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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.
jue. 7/166:05 pm
SEA
- MAD
1 stop18h 50m
Multiple Airlines
jue. 8/277:00 am
MAD
- SEA
1 stop18h 00m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$820
This Mytrip deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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.
dom. 7/193:40 pm
SEA
- BCN
2 stops24h 35m
Multiple Airlines
vie. 7/248:20 pm
BCN
- SEA
3 stops46h 20m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$789
This Mytrip deal was found by Cheapflights users on 6/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/213:40 pm
SEA
- MAD
3 stops34h 55m
Multiple Airlines
mar. 7/283:35 pm
MAD
- SEA
3 stops35h 20m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$830
This FlightHub deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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.
mié. 7/225:40 pm
SEA
- BCN
1 stop19h 30m
Condor
mié. 8/1210:25 am
BCN
- SEA
1 stop14h 15m
Condor
Deal found 6/23![Condor logo]()
$755
This eDestinos deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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.
jue. 7/236:05 pm
SEA
- BCN
1 stop19h 05m
Condor
jue. 7/308:00 am
BCN
- SEA
1 stop17h 00m
Condor
Deal found 6/23![Condor logo]()
$754
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 junio 24, 2026.
Search for one-way flight options from Seattle to Spain. Find affordable one-way fares based on user searches. Data last updated junio 24, 2026.
This oojo deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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.
mié. 10/218:00 am
SEA
- MAD
2 stops16h 55m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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.
mié. 10/148:00 am
SEA
- MAD
2 stops16h 55m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/148:00 am
SEA
- BCN
3 stops29h 45m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 6/19. 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.
jue. 8/276:35 pm
SEA
- BCN
3 stops32h 05m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 6/19. 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.
sáb. 8/296:35 pm
SEA
- BCN
3 stops45h 40m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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.
dom. 10/48:00 am
SEA
- BIO
3 stops25h 35m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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.
lun. 7/203:40 pm
SEA
- BCN
2 stops24h 35m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$231
This Virgin Atlantic deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/307:23 am
SEA
- BCN
1 stop16h 12m
Virgin Atlantic
Deal found 6/23![Virgin Atlantic logo]()
$232
This Mytrip deal was found by Cheapflights users on 6/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/213:40 pm
SEA
- BCN
2 stops24h 30m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$246
This Trip.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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.
dom. 11/12:35 pm
SEA
- BCN
2 stops24h 00m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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.
lun. 10/58:00 am
SEA
- BIO
3 stops25h 35m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/133:40 pm
SEA
- MAD
3 stops46h 35m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$253
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 junio 24, 2026.
Round-trip from | $468 (Virgin Atlantic) |
|---|---|
One-way from | $192 (oojo) |
Popular in | June |
Cheapest in | January |
Average price | $1,187 |
Good round-trip deal | $1,010 or less |
Good one-way deal | $458 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 junio 24, 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
lun. 9/28
6:10 pm-7:15 pm
1 stop16h 05m
Palma de Mallorca Son Sant Joan
dom. 10/4
7:45 pm-4:10 pm
1 stop29h 25m
$701
SeattlePalma de Mallorca
SEA - PMI
SEAPMI
Seattle/Tacoma Intl
dom. 10/11
10:58 pm-6:15 am
1 stop22h 17m
Palma de Mallorca Son Sant Joan
jue. 10/15
12:15 pm-6:52 pm
2 stops39h 37m
$713
SeattleValencia
SEA - VLC
SEAVLC
Seattle/Tacoma Intl
dom. 10/18
1:30 pm-7:35 pm
1 stop21h 05m
Valencia
jue. 10/22
9:20 pm-11:35 am
1 stop23h 15m
$731
SeattleValencia
SEA - VLC
SEAVLC
Seattle/Tacoma Intl
mar. 11/10
7:20 am-11:55 am
2 stops19h 35m
Valencia
mar. 11/17
6:00 am-11:47 am
1 stop14h 47m
$731
SeattleAlicante
SEA - ALC
SEAALC
Seattle/Tacoma Intl
lun. 10/12
1:45 pm-8:20 am
1 stop33h 35m
Alicante
mié. 10/21
12:25 pm-4:35 pm
1 stop37h 10m
$731
Quickest round-trip
SeattlePalma de Mallorca
SEA - PMI
SEAPMI
Seattle/Tacoma Intl
dom. 10/11
1:30 pm-1:40 pm
1 stop15h 10m
Palma de Mallorca Son Sant Joan
jue. 10/15
1:00 pm-6:25 pm
1 stop14h 25m
$731
SeattleMálaga
SEA - AGP
SEAAGP
Seattle/Tacoma Intl
lun. 9/28
9:59 am-6:40 pm
2 stops23h 41m
Malaga
mié. 10/21
5:25 pm-4:35 pm
1 stop32h 10m
$731
SeattleMálaga
SEA - AGP
SEAAGP
Seattle/Tacoma Intl
dom. 10/11
1:30 pm-7:55 pm
1 stop21h 25m
Malaga
jue. 10/15
12:40 pm-6:25 pm
1 stop14h 45m
$731
SeattleAlicante
SEA - ALC
SEAALC
Seattle/Tacoma Intl
lun. 10/12
10:58 pm-8:55 am
2 stops48h 57m
Alicante
mié. 10/21
8:00 pm-6:32 pm
2 stops31h 32m
$737
SeattleValencia
SEA - VLC
SEAVLC
Seattle/Tacoma Intl
dom. 10/18
2:10 pm-5:35 pm
1 stop18h 25m
Valencia
jue. 10/22
5:55 am-6:32 pm
2 stops21h 37m
$740
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-MAD
SEA-BCN
SEA-BIO
SEA-PMI
SEA-VLC
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-MAD
SEA-BCN
SEA-BIO
SEA-PMI
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 $5,506). 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 junio 24, 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 9% of weekly flights between Seattle and Spain have experienced delays in the past year, with the average delay time being 139 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 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 10% of flights being delayed.
How far ahead should I book a flight from Seattle to Spain?
Booking 60 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 junio 24, 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.
Crew
8.5
Comfort
7.8
Overall
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Comfort
7.8
Overall
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Comfort
7.8
Overall
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Comfort
7.8
Overall
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Comfort
7.8
Overall
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Comfort
7.8
Overall
7.8
Boarding
8.1
Entertainment
7.8
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
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 junio 24, 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 junio 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$123 | Average$1,152 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$367 | Average$641 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$438 | Average$801 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$439 | Average$803 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$465 | Average$603 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$470 | Average$877 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$471 | Average$855 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$476 | Average$838 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$478 | Average$918 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$479 | Average$846 | FlexibilityNo cancel fee | On-time70% |