$199+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MAD
Mar 27 — Apr 31
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 February 25, 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 February 25, 2026.
This Mytrip deal was found by Cheapflights users on 2/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/143:40 pm
SEA
- AGP
1 stop14h 05m
Icelandair
Wed 4/223:45 pm
AGP
- SEA
1 stop13h 55m
Icelandair
Deal found 2/24![Icelandair logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 2/21. 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.
Tue 4/143:40 pm
SEA
- AGP
1 stop14h 05m
Icelandair
Sat 4/253:45 pm
AGP
- SEA
1 stop13h 55m
Icelandair
Deal found 2/21![Icelandair logo]()
$456
This United Airlines deal was found by Cheapflights users on 2/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:07 am
SEA
- PMI
2 stops18h 23m
United Airlines
Thu 10/2212:15 pm
PMI
- SEA
2 stops43h 03m
United Airlines
Deal found 2/24![United Airlines logo]()
$461
This Kiwi.com deal was found by Cheapflights users on 2/22. 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.
Tue 5/53:40 pm
SEA
- AGP
1 stop14h 05m
Icelandair
Wed 5/133:45 pm
AGP
- SEA
1 stop13h 55m
Icelandair
Deal found 2/22![Icelandair logo]()
$470
This Kiwi.com deal was found by Cheapflights users on 2/23. 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.
Wed 4/157:10 pm
SEA
- BCN
1 stop18h 20m
Aer Lingus
Wed 4/2211:00 am
BCN
- SEA
1 stop15h 10m
Aer Lingus
Deal found 2/23![Aer Lingus logo]()
$478
This eDestinos deal was found by Cheapflights users on 2/24. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/233:55 pm
SEA
- BCN
1 stop17h 15m
Scandinavian Airlines
Mon 8/317:00 pm
BCN
- SEA
1 stop27h 45m
Scandinavian Airlines
Deal found 2/24![Scandinavian Airlines logo]()
$481
This Kiwi.com deal was found by Cheapflights users on 2/21. 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.
Wed 4/227:10 pm
SEA
- BCN
1 stop18h 20m
Aer Lingus
Wed 4/2911:00 am
BCN
- SEA
1 stop15h 10m
Aer Lingus
Deal found 2/21![Aer Lingus logo]()
$486
This FlightHub deal was found by Cheapflights users on 2/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:55 pm
SEA
- BCN
1 stop32h 50m
Scandinavian Airlines
Sat 9/197:00 pm
BCN
- SEA
1 stop27h 45m
Scandinavian Airlines
Deal found 2/24![Scandinavian Airlines logo]()
$487
This FlightHub deal was found by Cheapflights users on 2/23. 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.
Sun 8/303:55 pm
SEA
- BCN
1 stop17h 15m
Scandinavian Airlines
Mon 9/77:00 pm
BCN
- SEA
1 stop27h 45m
Scandinavian Airlines
Deal found 2/23![Scandinavian Airlines logo]()
$493
This Kiwi.com deal was found by Cheapflights users on 2/25. 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.
Fri 9/183:55 pm
SEA
- BCN
1 stop32h 00m
Scandinavian Airlines
Sat 9/267:00 pm
BCN
- SEA
1 stop27h 45m
Scandinavian Airlines
Deal found 2/25![Scandinavian Airlines logo]()
$502
This KAYAK deal was found by Cheapflights users on 2/23. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/303:55 pm
SEA
- BCN
1 stop17h 15m
Scandinavian Airlines
Fri 9/410:25 am
BCN
- SEA
1 stop36h 20m
Scandinavian Airlines
Deal found 2/23![Scandinavian Airlines logo]()
$506
This oojo deal was found by Cheapflights users on 2/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:50 pm
SEA
- AGP
1 stop32h 00m
British Airways
Tue 11/105:50 pm
AGP
- SEA
1 stop32h 05m
British Airways
Deal found 2/22![British Airways logo]()
$508
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 February 25, 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 February 25, 2026.
This Delta deal was found by Cheapflights users on 2/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/154:36 pm
SEA
- VLC
2 stops21h 24m
Delta
Wed 4/226:35 am
VLC
- SEA
1 stop14h 10m
Delta
Deal found 2/22![Delta logo]()
$577
This KLM deal was found by Cheapflights users on 2/23. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/11:45 pm
SEA
- AGP
1 stop20h 30m
KLM
Tue 4/1411:30 pm
AGP
- SEA
1 stop21h 15m
KLM
Deal found 2/23![KLM logo]()
$603
This Finnair deal was found by Cheapflights users on 2/21. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/221:35 pm
SEA
- VLC
1 stop22h 00m
Multiple Airlines
Wed 5/66:15 am
VLC
- SEA
2 stops25h 23m
Multiple Airlines
Deal found 2/21![Multiple Airlines logo]()
$605
This Finnair deal was found by Cheapflights users on 2/21. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:09 am
SEA
- VLC
2 stops32h 06m
Finnair
Wed 5/66:15 am
VLC
- SEA
2 stops25h 23m
Finnair
Deal found 2/21![Finnair logo]()
$621
This United Airlines deal was found by Cheapflights users on 2/23. 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.
Mon 8/108:00 am
SEA
- MAD
1 stop15h 50m
United Airlines
Mon 9/2112:45 pm
MAD
- SEA
2 stops39h 51m
United Airlines
Deal found 2/23![United Airlines logo]()
$630
This British Airways deal was found by Cheapflights users on 2/24. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/221:35 pm
SEA
- AGP
1 stop17h 25m
British Airways
Sat 5/212:00 pm
AGP
- SEA
2 stops19h 38m
British Airways
Deal found 2/24![British Airways logo]()
$633
This Icelandair deal was found by Cheapflights users on 2/22. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:00 pm
SEA
- ALC
1 stop18h 55m
Icelandair
Tue 5/2611:50 pm
ALC
- SEA
1 stop20h 55m
Icelandair
Deal found 2/22![Icelandair logo]()
$636
This Kiwi.com deal was found by Cheapflights users on 2/21. 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.
Mon 4/67:10 pm
SEA
- SVQ
1 stop30h 30m
Turkish Airlines
Mon 4/1311:35 am
SVQ
- SEA
1 stop38h 40m
Turkish Airlines
Deal found 2/21![Turkish Airlines logo]()
$677
This American Airlines deal was found by Cheapflights users on 2/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/27:15 am
SEA
- ALC
2 stops20h 55m
American Airlines
Mon 3/99:30 pm
ALC
- SEA
2 stops21h 21m
American Airlines
Deal found 2/22![American Airlines logo]()
$695
This Condor deal was found by Cheapflights users on 2/24. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/36:10 pm
SEA
- PMI
1 stop16h 15m
Condor
Sat 8/157:45 am
PMI
- SEA
1 stop17h 15m
Condor
Deal found 2/24![Condor logo]()
$810
This Travelocity deal was found by Cheapflights users on 2/24. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/102:10 pm
SEA
- XRY
2 stops21h 50m
Iberia
Sun 5/39:35 pm
XRY
- SEA
2 stops36h 09m
Iberia
Deal found 2/24![Iberia logo]()
$1,022
This Delta deal was found by Cheapflights users on 2/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/269:50 am
SEA
- VLC
2 stops21h 25m
Delta
Wed 5/136:35 am
VLC
- SEA
1 stop14h 07m
Delta
Deal found 2/23![Delta logo]()
$601
This KLM deal was found by Cheapflights users on 2/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/61:45 pm
SEA
- ALC
1 stop33h 35m
KLM
Mon 4/138:50 pm
ALC
- SEA
1 stop23h 55m
KLM
Deal found 2/22![KLM logo]()
$603
This TAP AIR PORTUGAL deal was found by Cheapflights users on 2/21. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:08 pm
SEA
- BCN
3 stops19h 47m
TAP AIR PORTUGAL
Wed 4/226:00 am
BCN
- SEA
2 stops26h 46m
TAP AIR PORTUGAL
Deal found 2/21![TAP AIR PORTUGAL logo]()
$1,226
This United Airlines deal was found by Cheapflights users on 2/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:45 am
SEA
- BIO
2 stops29h 40m
United Airlines
Wed 8/196:50 am
BIO
- SEA
2 stops26h 09m
United Airlines
Deal found 2/24![United Airlines logo]()
$636
This Finnair deal was found by Cheapflights users on 2/22. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/245:30 am
SEA
- AGP
2 stops26h 40m
Multiple Airlines
Wed 5/65:35 pm
AGP
- SEA
2 stops36h 47m
Multiple Airlines
Deal found 2/22![Multiple Airlines logo]()
$640
This Trip.com deal was found by Cheapflights users on 2/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/82:10 pm
SEA
- OVD
1 stop18h 00m
Lufthansa
Wed 8/195:55 pm
OVD
- SEA
1 stop27h 00m
Lufthansa
Deal found 2/25![Lufthansa logo]()
$1,289
This Air France deal was found by Cheapflights users on 2/22. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/101:50 pm
SEA
- OVD
1 stop17h 25m
Air France
Wed 8/194:45 pm
OVD
- SEA
1 stop32h 42m
Air France
Deal found 2/22![Air France logo]()
$1,292
This KLM deal was found by Cheapflights users on 2/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/611:10 am
SEA
- ALC
2 stops18h 55m
KLM
Thu 5/2810:20 am
ALC
- SEA
2 stops19h 21m
KLM
Deal found 2/22![KLM logo]()
$618
This British Airways deal was found by Cheapflights users on 2/24. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/61:35 pm
SEA
- PMI
1 stop20h 50m
British Airways
Tue 8/188:35 pm
PMI
- SEA
1 stop24h 00m
British Airways
Deal found 2/24![British Airways logo]()
$693
This Booking.com deal was found by Cheapflights users on 2/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:10 pm
SEA
- SVQ
1 stop37h 25m
Turkish Airlines
Wed 4/1511:35 am
SVQ
- SEA
1 stop38h 40m
Turkish Airlines
Deal found 2/22![Turkish Airlines logo]()
$705
This Finnair deal was found by Cheapflights users on 2/21. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/21:19 pm
SEA
- BIO
2 stops24h 56m
Finnair
Fri 5/226:45 am
BIO
- SEA
2 stops25h 54m
Finnair
Deal found 2/21![Finnair logo]()
$722
This Delta deal was found by Cheapflights users on 2/21. 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.
Tue 3/2411:45 am
SEA
- MAD
2 stops19h 35m
Delta
Thu 4/910:25 am
MAD
- SEA
2 stops20h 50m
Delta
Deal found 2/21![Delta logo]()
$662
This United Airlines deal was found by Cheapflights users on 2/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/210:41 pm
SEA
- BIO
2 stops39h 44m
United Airlines
Fri 5/226:45 am
BIO
- SEA
2 stops19h 14m
United Airlines
Deal found 2/22![United Airlines logo]()
$663
This Finnair deal was found by Cheapflights users on 2/21. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/98:20 pm
SEA
- AGP
1 stop15h 45m
Multiple Airlines
Wed 5/201:00 am
AGP
- SEA
2 stops31h 39m
Multiple Airlines
Deal found 2/21![Multiple Airlines logo]()
$667
This British Airways deal was found by Cheapflights users on 2/23. 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.
Tue 5/51:35 pm
SEA
- PMI
1 stop14h 30m
British Airways
Tue 5/193:40 pm
PMI
- SEA
1 stop28h 55m
British Airways
Deal found 2/23![British Airways logo]()
$703
This Turkish Airlines deal was found by Cheapflights users on 2/21. 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.
Wed 3/47:00 pm
SEA
- SVQ
1 stop36h 40m
Turkish Airlines
Sun 3/85:45 pm
SVQ
- SEA
1 stop32h 20m
Turkish Airlines
Deal found 2/21![Turkish Airlines logo]()
$719
This KLM deal was found by Cheapflights users on 2/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/311:45 pm
SEA
- PMI
1 stop16h 10m
KLM
Tue 4/710:20 pm
PMI
- SEA
1 stop27h 10m
KLM
Deal found 2/22![KLM logo]()
$656
This Delta deal was found by Cheapflights users on 2/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:35 am
SEA
- VLC
2 stops23h 40m
Delta
Fri 5/226:35 am
VLC
- SEA
2 stops25h 20m
Delta
Deal found 2/22![Delta logo]()
$664
This United Airlines deal was found by Cheapflights users on 2/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:00 am
SEA
- BCN
1 stop15h 20m
United Airlines
Wed 4/221:15 pm
BCN
- SEA
2 stops42h 22m
United Airlines
Deal found 2/21![United Airlines logo]()
$670
Last-minute flights from Seattle to SpainDiscover last-minute flight deals from Seattle to Spain. Data last updated February 25, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Spain. Data last updated February 25, 2026 and is based on user searches.
This Ticket deal was found by Cheapflights users on 2/21. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:40 pm
SEA
- MAD
1 stop19h 15m
Multiple Airlines
Thu 3/127:05 am
MAD
- SEA
1 stop17h 35m
Multiple Airlines
Deal found 2/21![Multiple Airlines logo]()
$522
This Delta deal was found by Cheapflights users on 2/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/18:30 am
SEA
- AGP
2 stops22h 05m
Delta
Mon 3/164:25 pm
AGP
- SEA
1 stop28h 10m
Delta
Deal found 2/22![Delta logo]()
$585
This Delta deal was found by Cheapflights users on 2/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/22:10 pm
SEA
- AGP
1 stop17h 45m
Delta
Mon 3/94:25 pm
AGP
- SEA
1 stop28h 10m
Delta
Deal found 2/23![Delta logo]()
$574
This Delta deal was found by Cheapflights users on 2/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/22:10 pm
SEA
- AGP
1 stop17h 45m
Delta
Tue 3/106:05 am
AGP
- SEA
2 stops21h 41m
Delta
Deal found 2/23![Delta logo]()
$590
This Delta deal was found by Cheapflights users on 2/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:00 am
SEA
- AGP
2 stops21h 20m
Delta
Tue 3/176:05 am
AGP
- SEA
2 stops24h 17m
Delta
Deal found 2/22![Delta logo]()
$595
This oojo deal was found by Cheapflights users on 2/23. 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.
Tue 3/32:35 pm
SEA
- AGP
1 stop14h 10m
Icelandair
Wed 3/112:45 pm
AGP
- SEA
1 stop35h 15m
Icelandair
Deal found 2/23![Icelandair logo]()
$570
This KLM deal was found by Cheapflights users on 2/24. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/31:30 pm
SEA
- AGP
2 stops18h 25m
Multiple Airlines
Tue 3/178:25 pm
AGP
- SEA
1 stop24h 10m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$579
This KLM deal was found by Cheapflights users on 2/24. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/33:05 pm
SEA
- AGP
1 stop19h 25m
KLM
Mon 3/166:00 pm
AGP
- SEA
1 stop26h 35m
KLM
Deal found 2/24![KLM logo]()
$580
This Air France deal was found by Cheapflights users on 2/24. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/31:30 pm
SEA
- AGP
2 stops18h 25m
Air France
Wed 3/186:05 am
AGP
- SEA
1 stop16h 00m
Air France
Deal found 2/24![Air France logo]()
$584
This Booking.com deal was found by Cheapflights users on 2/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/96:40 pm
SEA
- MAD
1 stop19h 15m
Multiple Airlines
Thu 3/127:05 am
MAD
- SEA
1 stop17h 35m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$605
This Air France deal was found by Cheapflights users on 2/24. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/249:55 am
SEA
- BIO
2 stops17h 35m
Multiple Airlines
Tue 3/315:15 pm
BIO
- SEA
1 stop27h 30m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$622
This oojo deal was found by Cheapflights users on 2/23. 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.
Tue 3/318:20 pm
SEA
- VLC
1 stop14h 15m
British Airways
Thu 4/302:45 pm
VLC
- SEA
1 stop29h 50m
British Airways
Deal found 2/23![British Airways logo]()
$597
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 February 25, 2026.
Search for one-way flight options from Seattle to Spain. Find affordable one-way fares based on user searches. Data last updated February 25, 2026.
This Trip.com deal was found by Cheapflights users on 2/22. 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.
Tue 4/213:40 pm
SEA
- BCN
2 stops23h 45m
Multiple Airlines
Deal found 2/22![Multiple Airlines logo]()
$199
This Trip.com deal was found by Cheapflights users on 2/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:00 pm
SEA
- BCN
2 stops20h 50m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$209
This Mytrip deal was found by Cheapflights users on 2/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/203:40 pm
SEA
- BCN
2 stops24h 20m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$222
This Trip.com deal was found by Cheapflights users on 2/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:00 pm
SEA
- BCN
2 stops18h 55m
Multiple Airlines
Deal found 2/21![Multiple Airlines logo]()
$226
This Mytrip deal was found by Cheapflights users on 2/21. 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.
Sun 4/263:40 pm
SEA
- BCN
2 stops23h 45m
Multiple Airlines
Deal found 2/21![Multiple Airlines logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/133:40 pm
SEA
- BCN
2 stops22h 20m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 2/21. 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.
Sun 4/193:40 pm
SEA
- BCN
2 stops35h 50m
Multiple Airlines
Deal found 2/21![Multiple Airlines logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 2/21. 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.
Tue 4/283:40 pm
SEA
- BCN
2 stops21h 35m
Multiple Airlines
Deal found 2/21![Multiple Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/133:40 pm
SEA
- MAD
2 stops33h 30m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 2/22. 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.
Sun 4/127:00 pm
SEA
- MAD
2 stops54h 10m
Multiple Airlines
Deal found 2/22![Multiple Airlines logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/127:00 pm
SEA
- AGP
2 stops56h 15m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 2/22. 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.
Thu 4/167:00 pm
SEA
- MAD
3 stops41h 10m
Multiple Airlines
Deal found 2/22![Multiple Airlines logo]()
$255
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 February 25, 2026.
Round-trip from | $429 (Mytrip) |
|---|---|
One-way from | $199 (Trip.com) |
Popular in | June |
Cheapest in | February |
Average price | $486 |
Good round-trip deal | $727 or less |
Good one-way deal | $648 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 February 25, 2026.
Use the filters below to find and compare flights from Seattle to Spain that are best for you.
Fly from
Seattle
Fly to
Spain
Route
Depart
Return
Price
SeattleValencia
SEA - VLC
SEAVLC
Seattle/Tacoma Intl
Wed 4/15
4:36 pm-11:00 pm
2 stops21h 24m
Valencia
Wed 4/22
6:35 am-11:45 am
1 stop14h 10m
$577
SeattleValencia
SEA - VLC
SEAVLC
Seattle/Tacoma Intl
Sun 4/26
9:50 am-4:15 pm
2 stops21h 25m
Valencia
Wed 5/13
6:35 am-11:42 am
1 stop14h 07m
$601
SeattleMálaga
SEA - AGP
SEAAGP
Seattle/Tacoma Intl
Wed 4/1
1:45 pm-7:15 pm
1 stop20h 30m
Malaga
Tue 4/14
11:30 pm-11:45 am
1 stop21h 15m
$603
SeattleAlicante
SEA - ALC
SEAALC
Seattle/Tacoma Intl
Mon 4/6
1:45 pm-8:20 am
1 stop33h 35m
Alicante
Mon 4/13
8:50 pm-11:45 am
1 stop23h 55m
$603
SeattleValencia
SEA - VLC
SEAVLC
Seattle/Tacoma Intl
Wed 4/22
1:35 pm-8:35 pm
1 stop22h 00m
Valencia
Wed 5/6
6:15 am-10:38 pm
2 stops25h 23m
$605
SeattleAlicante
SEA - ALC
SEAALC
Seattle/Tacoma Intl
Wed 5/6
11:10 am-3:05 pm
2 stops18h 55m
Alicante
Thu 5/28
10:20 am-8:41 pm
2 stops19h 21m
$618
SeattleValencia
SEA - VLC
SEAVLC
Seattle/Tacoma Intl
Wed 4/22
7:09 am-12:15 am
2 stops32h 06m
Valencia
Wed 5/6
6:15 am-10:38 pm
2 stops25h 23m
$621
SeattleMadrid
SEA - MAD
SEAMAD
Seattle/Tacoma Intl
Mon 8/10
8:00 am-8:50 am
1 stop15h 50m
Madrid Barajas
Mon 9/21
12:45 pm-7:36 pm
2 stops39h 51m
$630
SeattleMálaga
SEA - AGP
SEAAGP
Seattle/Tacoma Intl
Wed 4/22
1:35 pm-4:00 pm
1 stop17h 25m
Malaga
Sat 5/2
12:00 pm-10:38 pm
2 stops19h 38m
$633
SeattleAlicante
SEA - ALC
SEAALC
Seattle/Tacoma Intl
Fri 5/8
7:00 pm-10:55 pm
1 stop18h 55m
Alicante
Tue 5/26
11:50 pm-11:45 am
1 stop20h 55m
$636
Showing 1-10 of 60 results
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-VLC
SEA-AGP
SEA-MAD
SEA-ALC
SEA-SVQ
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Spain
SEA-ES0
SEA-VLC
SEA-AGP
SEA-MAD
SEA-ALC
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 $353). Flying from Seattle to Spain in June is currently the most expensive (average of $754). 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.
How often are flights from Seattle to Spain delayed?
About 0% of weekly flights between Seattle and Spain have experienced delays in the past year, with the average delay time being 0 minutes.
What is the most punctual flight time for Seattle to Spain flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Friday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Reviews of airlines servicing Spain
Get insights into the airlines that provide service to Spain. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Spain. Reviews last updated February 25, 2026.
Read reviews from past customers who have flown Delta, KLM, and Air France from Seattle to Spain. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.9
Crew
8.5
Overall
7.9
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Crew
8.5
Overall
7.9
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Crew
8.5
Overall
7.9
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Crew
8.5
Overall
7.9
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Crew
8.5
Overall
7.9
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Crew
8.5
Overall
7.9
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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 February 25, 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 February 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$123 | Average$1,152 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$367 | Average$568 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$425 | Average$810 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$440 | Average$552 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$471 | Average$841 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$476 | Average$810 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$477 | Average$733 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$478 | Average$920 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$479 | Average$800 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$480 | Average$838 | FlexibilityNo cancel fee | On-time70% |