$187+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MAD
Aug 29 — Sep 51
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 30, 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 30, 2026.
This Trip.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 9/16:50 pm
SEA
- MAD
1 stop18h 40m
Lufthansa
Tue 9/157:00 am
MAD
- SEA
1 stop18h 59m
Lufthansa
Deal found 7/28![Lufthansa logo]()
$319
This Ovago deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:21 am
SEA
- MAD
2 stops16h 34m
Multiple Airlines
Tue 1/127:40 am
MAD
- SEA
2 stops21h 03m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$595
This flugladen.de deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:00 pm
SEA
- AGP
2 stops20h 40m
Multiple Airlines
Sat 9/56:30 am
AGP
- SEA
2 stops23h 10m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$607
This KAYAK deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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.
Wed 12/98:21 am
SEA
- MAD
2 stops16h 34m
Multiple Airlines
Wed 1/207:30 am
MAD
- SEA
2 stops21h 13m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$622
This Mytrip deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 10/303:35 pm
SEA
- AGP
2 stops24h 24m
Multiple Airlines
Wed 11/118:25 pm
AGP
- SEA
2 stops29h 35m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$626
This Mytrip deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 8/278:00 am
SEA
- ALC
2 stops31h 20m
Multiple Airlines
Thu 9/103:50 pm
ALC
- SEA
2 stops29h 05m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$629
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 10/185:40 pm
SEA
- PMI
1 stop16h 50m
Condor
Wed 10/287:15 pm
PMI
- SEA
1 stop29h 40m
Condor
Deal found 7/26![Condor logo]()
$651
This Cheapflightsfares deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 10/185:40 pm
SEA
- MAD
1 stop19h 15m
Multiple Airlines
Sat 10/247:00 am
MAD
- SEA
1 stop18h 00m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$661
This Mytrip deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 40m
Multiple Airlines
Tue 8/2511:15 am
ALC
- SEA
2 stops33h 30m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$671
This Mytrip deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 8/243:40 pm
SEA
- PMI
2 stops22h 55m
Multiple Airlines
Mon 8/316:45 am
PMI
- SEA
2 stops22h 55m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$674
This SmartFares deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 7/25![Condor logo]()
$675
This Mytrip deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 9/178:00 am
SEA
- BCN
3 stops31h 50m
Multiple Airlines
Wed 9/3012:35 pm
BCN
- SEA
3 stops32h 45m
Multiple Airlines
Deal found 7/29![Multiple Airlines 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 30, 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 30, 2026.
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 9/288:25 am
SEA
- MAD
1 stop14h 40m
United Airlines
Wed 10/2112:45 pm
MAD
- SEA
2 stops39h 07m
United Airlines
Deal found 7/29![United Airlines logo]()
$730
This British Airways deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 1/176:45 pm
SEA
- AGP
1 stop32h 05m
British Airways
Thu 1/213:20 pm
AGP
- SEA
1 stop34h 30m
British Airways
Deal found 7/29![British Airways logo]()
$731
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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.
Mon 9/217:16 am
SEA
- MAD
1 stop14h 04m
Delta
Mon 10/51:05 pm
MAD
- SEA
1 stop31h 47m
Delta
Deal found 7/29![Delta logo]()
$736
This Justfly.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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.
Thu 10/111:41 am
SEA
- BCN
2 stops19h 24m
Multiple Airlines
Thu 10/1510:15 am
BCN
- SEA
1 stop14h 45m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$745
This KLM deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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.
Mon 10/51:45 pm
SEA
- ALC
1 stop21h 55m
KLM
Mon 10/128:20 pm
ALC
- SEA
1 stop24h 32m
KLM
Deal found 7/26![KLM logo]()
$796
This Turkish Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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.
Sun 9/207:15 pm
SEA
- MAD
1 stop18h 20m
Turkish Airlines
Fri 10/22:40 pm
MAD
- SEA
1 stop35h 40m
Turkish Airlines
Deal found 7/27![Turkish Airlines logo]()
$829
This Condor deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 9/226:05 pm
SEA
- BCN
1 stop19h 05m
Condor
Wed 10/710:25 am
BCN
- SEA
1 stop14h 15m
Condor
Deal found 7/27![Condor logo]()
$856
This Cheapflightsfares deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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.
Thu 9/178:10 am
SEA
- PMI
2 stops25h 25m
Lufthansa
Mon 9/287:55 pm
PMI
- SEA
2 stops25h 00m
Lufthansa
Deal found 7/28![Lufthansa logo]()
$876
This Scandinavian Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 stops19h 00m
Scandinavian Airlines
Fri 9/1111:00 am
ALC
- SEA
2 stops35h 45m
Scandinavian Airlines
Deal found 7/27![Scandinavian Airlines logo]()
$926
This SWISS deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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.
Fri 10/27:00 am
SEA
- IBZ
2 stops27h 50m
SWISS
Sun 10/48:50 pm
IBZ
- SEA
2 stops30h 42m
SWISS
Deal found 7/29![SWISS logo]()
$1,087
This Finnair deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:40 am
SEA
- AGP
2 stops23h 15m
Finnair
Thu 9/175:35 pm
AGP
- SEA
1 stop31h 25m
Finnair
Deal found 7/27![Finnair logo]()
$1,089
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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.
Sun 9/2711:42 pm
SEA
- MAD
3 stops32h 23m
TAP AIR PORTUGAL
Tue 10/208:10 pm
MAD
- SEA
2 stops34h 45m
TAP AIR PORTUGAL
Deal found 7/30![TAP AIR PORTUGAL logo]()
$1,454
This United Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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
Wed 10/2112:45 pm
MAD
- SEA
3 stops40h 52m
United Airlines
Deal found 7/26![United Airlines logo]()
$735
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 11/107:15 am
SEA
- AGP
2 stops19h 45m
Delta
Tue 11/174:10 pm
AGP
- SEA
2 stops31h 34m
Delta
Deal found 7/28![Delta logo]()
$746
This Condor deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 10/711:33 am
SEA
- BCN
2 stops25h 37m
Multiple Airlines
Mon 10/1910:15 am
BCN
- SEA
1 stop14h 55m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$780
This Iberia deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 stops16h 35m
Iberia
Thu 10/159:40 am
IBZ
- SEA
2 stops17h 45m
Iberia
Deal found 7/26![Iberia logo]()
$1,581
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 9/2111:04 pm
SEA
- MAD
1 stop24h 01m
United Airlines
Thu 10/16:05 am
MAD
- SEA
1 stop15h 15m
United Airlines
Deal found 7/27![United Airlines logo]()
$745
This Turkish Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:15 pm
SEA
- SVQ
1 stop37h 20m
Turkish Airlines
Fri 11/135:35 pm
SVQ
- SEA
1 stop32h 35m
Turkish Airlines
Deal found 7/26![Turkish Airlines logo]()
$836
This KLM deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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.
Mon 9/141:50 pm
SEA
- ALC
1 stop21h 50m
KLM
Mon 9/2810:30 am
ALC
- SEA
1 stop15h 05m
KLM
Deal found 7/29![KLM logo]()
$871
This Condor deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:51 pm
SEA
- BCN
2 stops36h 14m
Condor
Wed 9/910:25 am
BCN
- SEA
1 stop14h 15m
Condor
Deal found 7/28![Condor logo]()
$872
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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.
Mon 9/2810:40 pm
SEA
- BIO
2 stops33h 50m
Delta
Tue 10/1312:00 pm
BIO
- SEA
1 stop32h 52m
Delta
Deal found 7/28![Delta logo]()
$795
This Booking.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:24 pm
SEA
- PMI
2 stops21h 11m
British Airways
Mon 9/148:35 pm
PMI
- SEA
1 stop24h 00m
British Airways
Deal found 7/26![British Airways logo]()
$882
This Finnair deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/71:30 pm
SEA
- VLC
1 stop21h 15m
Multiple Airlines
Mon 9/148:30 pm
VLC
- SEA
2 stops32h 18m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$836
This Lufthansa deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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.
Sat 10/36:50 pm
SEA
- BIO
1 stop19h 35m
Lufthansa
Sat 10/176:50 am
BIO
- SEA
2 stops19h 09m
Lufthansa
Deal found 7/26![Lufthansa logo]()
$926
This Turkish Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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.
Tue 9/157:15 pm
SEA
- BCN
1 stop19h 00m
Turkish Airlines
Sat 10/32:35 pm
BCN
- SEA
1 stop35h 45m
Turkish Airlines
Deal found 7/27![Turkish Airlines logo]()
$859
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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.
Thu 10/1511:14 pm
SEA
- MAD
2 stops22h 36m
United Airlines
Fri 10/2312:45 pm
MAD
- SEA
2 stops31h 42m
United Airlines
Deal found 7/28![United Airlines logo]()
$788
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/272:30 pm
SEA
- BIO
2 stops18h 00m
Delta
Thu 10/86:45 am
BIO
- SEA
2 stops19h 00m
Delta
Deal found 7/28![Delta logo]()
$800
This KLM deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 8/305:45 pm
SEA
- ALC
1 stop16h 40m
KLM
Tue 10/209:35 pm
ALC
- SEA
1 stop28h 00m
KLM
Deal found 7/27![KLM logo]()
$883
This Justfly.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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.
Tue 8/253:55 pm
SEA
- ALC
1 stop33h 45m
Scandinavian Airlines
Sun 8/3011:05 am
ALC
- SEA
2 stops59h 40m
Scandinavian Airlines
Deal found 7/29![Scandinavian Airlines logo]()
$977
This oojo deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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.
Sat 9/198:20 pm
SEA
- IBZ
1 stop35h 05m
British Airways
Fri 9/253:10 pm
IBZ
- SEA
1 stop29h 25m
British Airways
Deal found 7/30![British Airways logo]()
$889
Last-minute flights from Seattle to SpainDiscover last-minute flight deals from Seattle to Spain. Data last updated July 30, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Spain. Data last updated July 30, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:05 pm
SEA
- BCN
1 stop19h 05m
Condor
Wed 8/198:00 am
BCN
- SEA
1 stop16h 40m
Condor
Deal found 7/30![Condor logo]()
$704
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/165:40 pm
SEA
- BCN
1 stop13h 20m
Condor
Thu 8/278:00 am
BCN
- SEA
1 stop17h 00m
Condor
Deal found 7/30![Condor logo]()
$719
This oojo deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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.
Mon 8/176:10 pm
SEA
- BCN
1 stop19h 00m
Condor
Wed 8/265:00 pm
BCN
- SEA
1 stop32h 00m
Condor
Deal found 7/29![Condor logo]()
$692
This Mytrip deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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
- VLC
2 stops20h 30m
Multiple Airlines
Sat 8/228:25 pm
VLC
- SEA
3 stops30h 30m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$693
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 8/176:10 pm
SEA
- BCN
1 stop19h 00m
Condor
Fri 8/2810:15 am
BCN
- SEA
1 stop14h 45m
Condor
Deal found 7/29![Condor logo]()
$700
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 8/176:10 pm
SEA
- BCN
1 stop19h 00m
Condor
Fri 8/2110:15 am
BCN
- SEA
1 stop14h 45m
Condor
Deal found 7/29![Condor logo]()
$710
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/176:10 pm
SEA
- BCN
1 stop19h 00m
Condor
Tue 8/2510:25 am
BCN
- SEA
1 stop14h 15m
Condor
Deal found 7/30![Condor logo]()
$714
This Justfly.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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.
Tue 8/186:05 pm
SEA
- BCN
1 stop19h 05m
Condor
Tue 8/2510:25 am
BCN
- SEA
1 stop14h 15m
Condor
Deal found 7/29![Condor logo]()
$686
This Mytrip deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 8/237:00 pm
SEA
- AGP
2 stops21h 10m
Multiple Airlines
Sun 8/307:30 pm
AGP
- SEA
3 stops34h 10m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$702
This Justfly.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 8/246:10 pm
SEA
- BCN
1 stop19h 00m
Condor
Mon 8/318:00 am
BCN
- SEA
1 stop17h 10m
Condor
Deal found 7/26![Condor logo]()
$698
This Mytrip deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/278:00 am
SEA
- BCN
2 stops26h 20m
Multiple Airlines
Thu 9/37:50 am
BCN
- SEA
2 stops22h 17m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$691
This flugladen.de deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:00 pm
SEA
- AGP
2 stops20h 40m
Multiple Airlines
Sat 9/56:30 am
AGP
- SEA
2 stops23h 10m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$607
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 30, 2026.
Search for one-way flight options from Seattle to Spain. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 11/178:18 am
SEA
- MAD
2 stops16h 37m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 11/108:18 am
SEA
- MAD
2 stops16h 37m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/73:40 pm
SEA
- AGP
2 stops32h 10m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/67:00 pm
SEA
- AGP
2 stops52h 50m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 10/58:00 am
SEA
- BCN
3 stops29h 00m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 10/258:20 am
SEA
- BCN
3 stops31h 45m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 9/211:25 pm
SEA
- BCN
2 stops37h 55m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 8/2711:25 pm
SEA
- AGP
2 stops36h 20m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:25 pm
SEA
- AGP
2 stops37h 15m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 11/58:18 am
SEA
- MAD
2 stops16h 37m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 8/2811:25 pm
SEA
- AGP
2 stops38h 40m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 9/83:40 pm
SEA
- AGP
3 stops31h 45m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$249
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 30, 2026.
Round-trip from | $319 (Trip.com) |
|---|---|
One-way from | $187 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $951 |
Good round-trip deal | $951 or less |
Good one-way deal | $508 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 30, 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
SeattleMadrid
SEA - MAD
SEAMAD
Seattle/Tacoma Intl
Mon 9/28
8:25 am-8:05 am
1 stop14h 40m
Madrid Barajas
Wed 10/21
12:45 pm-6:52 pm
2 stops39h 07m
$730
SeattleMálaga
SEA - AGP
SEAAGP
Seattle/Tacoma Intl
Sun 1/17
6:45 pm-11:50 am
1 stop32h 05m
Malaga
Thu 1/21
3:20 pm-4:50 pm
1 stop34h 30m
$731
SeattleMadrid
SEA - MAD
SEAMAD
Seattle/Tacoma Intl
Wed 10/7
7:00 am-9:00 am
1 stop17h 00m
Madrid Barajas
Wed 10/21
12:45 pm-8:37 pm
3 stops40h 52m
$735
SeattleMadrid
SEA - MAD
SEAMAD
Seattle/Tacoma Intl
Mon 9/21
7:16 am-6:20 am
1 stop14h 04m
Madrid Barajas
Mon 10/5
1:05 pm-11:52 am
1 stop31h 47m
$736
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
Thu 10/1
11:41 am-4:05 pm
2 stops19h 24m
Barcelona-El Prat
Thu 10/15
10:15 am-4:00 pm
1 stop14h 45m
$745
SeattleMadrid
SEA - MAD
SEAMAD
Seattle/Tacoma Intl
Mon 9/21
11:04 pm-8:05 am
1 stop24h 01m
Madrid Barajas
Thu 10/1
6:05 am-12:20 pm
1 stop15h 15m
$745
SeattleMálaga
SEA - AGP
SEAAGP
Seattle/Tacoma Intl
Tue 11/10
7:15 am-12:00 pm
2 stops19h 45m
Malaga
Tue 11/17
4:10 pm-2:44 pm
2 stops31h 34m
$746
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
Wed 10/7
11:33 am-10:10 pm
2 stops25h 37m
Barcelona-El Prat
Mon 10/19
10:15 am-4:10 pm
1 stop14h 55m
$780
SeattleMadrid
SEA - MAD
SEAMAD
Seattle/Tacoma Intl
Thu 10/15
11:14 pm-6:50 am
2 stops22h 36m
Madrid Barajas
Fri 10/23
12:45 pm-11:27 am
2 stops31h 42m
$788
SeattleBilbao
SEA - BIO
SEABIO
Seattle/Tacoma Intl
Mon 9/28
10:40 pm-5:30 pm
2 stops33h 50m
Bilbao
Tue 10/13
12:00 pm-11:52 am
1 stop32h 52m
$795
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-AGP
SEA-BCN
SEA-VLC
SEA-ALC
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-AGP
SEA-BCN
SEA-VLC
What is the cheapest month to book a flight from Seattle to Spain?
Currently, January is the cheapest month in which you can book a flight from Seattle to Spain (average of $542). Flying from Seattle to Spain in June is currently the most expensive (average of $1,145). 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 30, 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 5% 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 5% 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 30, 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
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
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 July 30, 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 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$123 | Average$1,222 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$375 | Average$619 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$439 | Average$827 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$454 | Average$859 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$465 | Average$610 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$470 | Average$883 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$471 | Average$854 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$478 | Average$941 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$479 | Average$856 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$480 | Average$1,002 | FlexibilityNo cancel fee | On-time71% |