$188+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MAD
Jul 18 — Jul 251
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Seattle to Spain with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Spain
Cheapest
Best
Last-minute
One-way
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 June 18, 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 June 18, 2026.
This FlightHub deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:40 pm
SEA
- PMI
1 stop16h 50m
Condor
Sat 10/241:40 pm
PMI
- SEA
1 stop35h 55m
Condor
Deal found 6/13![Condor logo]()
$634
This FlightHub deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 10/115:40 pm
SEA
- PMI
1 stop16h 50m
Condor
Thu 10/157:45 am
PMI
- SEA
1 stop17h 15m
Condor
Deal found 6/17![Condor logo]()
$647
This Mytrip deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:40 pm
SEA
- AGP
2 stops18h 55m
Multiple Airlines
Wed 10/2110:20 pm
AGP
- SEA
2 stops26h 40m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$679
This Travelocity deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/115:40 am
SEA
- PMI
2 stops17h 50m
Air Canada
Thu 10/1512:15 pm
PMI
- SEA
2 stops19h 27m
Air Canada
Deal found 6/17![Air Canada logo]()
$683
This oojo deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 9/276:50 pm
SEA
- BIO
1 stop19h 35m
Lufthansa
Fri 10/96:45 am
BIO
- SEA
1 stop14h 35m
Lufthansa
Deal found 6/17![Lufthansa logo]()
$705
This United Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2010:58 pm
SEA
- PMI
1 stop22h 17m
United Airlines
Thu 9/2412:15 pm
PMI
- SEA
2 stops39h 37m
United Airlines
Deal found 6/14![United Airlines logo]()
$713
This oojo deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:50 pm
SEA
- BIO
1 stop19h 35m
Lufthansa
Thu 10/86:50 am
BIO
- SEA
1 stop14h 30m
Lufthansa
Deal found 6/14![Lufthansa logo]()
$713
This United Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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.
Fri 9/2510:58 pm
SEA
- PMI
2 stops48h 32m
United Airlines
Thu 10/812:15 pm
PMI
- SEA
2 stops41h 22m
United Airlines
Deal found 6/17![United Airlines logo]()
$716
This Cheapflightsfares deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 8/66:05 pm
SEA
- BCN
1 stop19h 05m
Condor
Fri 8/288:00 am
BCN
- SEA
1 stop17h 00m
Condor
Deal found 6/17![Condor logo]()
$717
This oojo deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 10/122:10 pm
SEA
- BIO
1 stop14h 10m
Lufthansa
Thu 10/226:50 am
BIO
- SEA
1 stop14h 30m
Lufthansa
Deal found 6/18![Lufthansa logo]()
$717
This Gotogate deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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.
Mon 9/288:00 am
SEA
- BIO
2 stops23h 00m
Multiple Airlines
Fri 10/96:45 am
BIO
- SEA
1 stop14h 35m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$718
This Condor deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 9/25:40 pm
SEA
- BCN
1 stop19h 30m
Multiple Airlines
Thu 9/108:00 am
BCN
- SEA
2 stops19h 51m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$720
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 June 18, 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 June 18, 2026.
This FlightHub deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 10/115:40 pm
SEA
- PMI
1 stop16h 50m
Condor
Thu 10/157:45 am
PMI
- SEA
1 stop17h 15m
Condor
Deal found 6/17![Condor logo]()
$647
This Travelocity deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/115:40 am
SEA
- PMI
2 stops17h 50m
Air Canada
Thu 10/1512:15 pm
PMI
- SEA
2 stops19h 27m
Air Canada
Deal found 6/17![Air Canada logo]()
$683
This United Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1110:58 pm
SEA
- PMI
1 stop22h 17m
United Airlines
Thu 10/1512:15 pm
PMI
- SEA
2 stops39h 37m
United Airlines
Deal found 6/17![United Airlines logo]()
$713
This British Airways deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/181:30 pm
SEA
- IBZ
1 stop17h 55m
British Airways
Thu 10/226:15 pm
IBZ
- SEA
1 stop26h 20m
British Airways
Deal found 6/13![British Airways logo]()
$731
This Delta deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:20 am
SEA
- AGP
2 stops19h 25m
Delta
Tue 10/205:25 pm
AGP
- SEA
1 stop27h 27m
Delta
Deal found 6/15![Delta logo]()
$731
This KLM deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/71:40 pm
SEA
- VLC
1 stop13h 15m
Multiple Airlines
Tue 11/176:00 am
VLC
- SEA
1 stop14h 47m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$776
This Turkish Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:15 pm
SEA
- SVQ
1 stop30h 25m
Turkish Airlines
Mon 10/2611:40 am
SVQ
- SEA
1 stop38h 30m
Turkish Airlines
Deal found 6/17![Turkish Airlines logo]()
$807
This KLM deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:50 pm
SEA
- AGP
1 stop20h 20m
KLM
Fri 10/910:45 am
AGP
- SEA
1 stop34h 07m
KLM
Deal found 6/15![KLM logo]()
$811
This Gotogate deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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.
Sun 8/166:50 pm
SEA
- AGP
1 stop14h 05m
Lufthansa
Sun 8/236:05 am
AGP
- SEA
1 stop14h 50m
Lufthansa
Deal found 6/18![Lufthansa logo]()
$818
This Scandinavian Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 9/1110:40 am
ALC
- SEA
2 stops36h 05m
Scandinavian Airlines
Deal found 6/15![Scandinavian Airlines logo]()
$820
This Cheapflightsfares deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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.
Sat 9/193:30 pm
SEA
- IBZ
2 stops19h 30m
SWISS
Fri 9/258:45 am
IBZ
- SEA
2 stops23h 11m
SWISS
Deal found 6/16![SWISS logo]()
$900
This Air France deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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.
Sun 8/96:40 pm
SEA
- IBZ
1 stop33h 50m
Air France
Tue 8/2510:20 am
IBZ
- SEA
2 stops21h 51m
Air France
Deal found 6/17![Air France logo]()
$901
This Icelandair deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/272:35 pm
SEA
- TFS
1 stop16h 50m
Icelandair
Tue 12/14:25 pm
TFS
- SEA
1 stop32h 35m
Icelandair
Deal found 6/15![Icelandair logo]()
$907
This Iberia deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:20 pm
SEA
- TFS
2 stops34h 00m
Iberia
Thu 9/245:15 pm
TFS
- SEA
1 stop26h 20m
Iberia
Deal found 6/13![Iberia logo]()
$1,156
This British Airways deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/181:30 pm
SEA
- VLC
1 stop21h 05m
British Airways
Thu 10/229:20 pm
VLC
- SEA
1 stop23h 15m
British Airways
Deal found 6/16![British Airways logo]()
$731
This Condor deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/125:40 pm
SEA
- BCN
1 stop13h 25m
Condor
Tue 8/185:00 pm
BCN
- SEA
1 stop31h 40m
Condor
Deal found 6/14![Condor logo]()
$752
This United Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2811:13 pm
SEA
- VLC
2 stops38h 42m
United Airlines
Thu 10/16:20 pm
VLC
- SEA
2 stops37h 22m
United Airlines
Deal found 6/13![United Airlines logo]()
$776
This Expedia deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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.
Fri 10/98:10 am
SEA
- VLC
2 stops23h 55m
Multiple Airlines
Thu 10/155:55 am
VLC
- SEA
2 stops17h 27m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$782
This British Airways deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/111:30 pm
SEA
- PMI
1 stop15h 10m
British Airways
Thu 10/151:00 pm
PMI
- SEA
1 stop14h 25m
British Airways
Deal found 6/17![British Airways logo]()
$732
This Turkish Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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.
Mon 11/28:05 pm
SEA
- SVQ
1 stop29h 35m
Turkish Airlines
Mon 11/1611:40 am
SVQ
- SEA
1 stop38h 30m
Turkish Airlines
Deal found 6/16![Turkish Airlines logo]()
$807
This KLM deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 11/21:45 pm
SEA
- SVQ
2 stops21h 00m
KLM
Mon 11/1610:50 am
SVQ
- SEA
1 stop33h 57m
KLM
Deal found 6/16![KLM logo]()
$815
This Scandinavian Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/233:55 pm
SEA
- ALC
2 stops36h 05m
Scandinavian Airlines
Mon 9/71:30 pm
ALC
- SEA
1 stop33h 15m
Scandinavian Airlines
Deal found 6/13![Scandinavian Airlines logo]()
$826
This Delta deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 8/51:50 pm
SEA
- BIO
1 stop17h 40m
Delta
Wed 8/1910:30 am
BIO
- SEA
1 stop16h 04m
Delta
Deal found 6/18![Delta logo]()
$828
This Mytrip deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/115:40 pm
SEA
- PMI
3 stops31h 00m
Multiple Airlines
Thu 10/156:45 am
PMI
- SEA
2 stops18h 15m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$790
This Cheapflightsfares deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/182:10 pm
SEA
- IBZ
1 stop16h 15m
Lufthansa
Tue 9/2210:55 am
IBZ
- SEA
1 stop15h 04m
Lufthansa
Deal found 6/15![Lufthansa logo]()
$876
This United Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/118:10 am
SEA
- MAD
1 stop14h 55m
United Airlines
Thu 10/156:05 am
MAD
- SEA
1 stop15h 15m
United Airlines
Deal found 6/17![United Airlines logo]()
$806
This Turkish Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/78:05 pm
SEA
- SVQ
1 stop29h 35m
Turkish Airlines
Sun 11/155:35 pm
SVQ
- SEA
1 stop32h 35m
Turkish Airlines
Deal found 6/14![Turkish Airlines logo]()
$807
This KLM deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:45 pm
SEA
- ALC
1 stop36h 05m
KLM
Mon 8/318:20 pm
ALC
- SEA
1 stop24h 27m
KLM
Deal found 6/13![KLM logo]()
$822
This Scandinavian Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/233:55 pm
SEA
- ALC
2 stops36h 05m
Scandinavian Airlines
Fri 9/1110:40 am
ALC
- SEA
2 stops36h 05m
Scandinavian Airlines
Deal found 6/13![Scandinavian Airlines logo]()
$830
This Delta deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/266:35 pm
SEA
- BIO
1 stop30h 15m
Delta
Fri 8/216:45 am
BIO
- SEA
1 stop13h 52m
Delta
Deal found 6/15![Delta logo]()
$848
Last-minute flights from Seattle to SpainDiscover last-minute flight deals from Seattle to Spain. Data last updated June 18, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Spain. Data last updated June 18, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/296:10 pm
SEA
- BCN
1 stop19h 00m
Condor
Fri 8/1410:15 am
BCN
- SEA
1 stop14h 45m
Condor
Deal found 6/16![Condor logo]()
$809
This Gotogate deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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.
Wed 7/111:25 pm
SEA
- BCN
1 stop30h 20m
Icelandair
Wed 7/83:45 pm
BCN
- SEA
1 stop35h 10m
Icelandair
Deal found 6/17![Icelandair logo]()
$815
This Condor deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:15 pm
SEA
- BCN
1 stop18h 55m
Multiple Airlines
Mon 8/318:00 am
BCN
- SEA
2 stops19h 51m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$760
This Cheapflightsfares deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:10 pm
SEA
- BCN
1 stop19h 00m
Condor
Wed 7/2210:25 am
BCN
- SEA
1 stop14h 15m
Condor
Deal found 6/16![Condor logo]()
$776
This Kiwi.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/63:40 pm
SEA
- BCN
2 stops32h 10m
Multiple Airlines
Thu 9/36:30 pm
BCN
- SEA
1 stop33h 16m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$802
This FlightHub deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:05 pm
SEA
- BCN
1 stop19h 05m
Multiple Airlines
Sun 9/138:00 am
BCN
- SEA
2 stops20h 39m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$761
This Booking.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:05 pm
SEA
- BCN
1 stop19h 05m
Multiple Airlines
Tue 7/148:00 am
BCN
- SEA
2 stops22h 34m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$792
This Booking.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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.
Sat 7/116:15 pm
SEA
- BCN
1 stop18h 55m
Condor
Thu 7/1610:15 am
BCN
- SEA
1 stop14h 45m
Condor
Deal found 6/16![Condor logo]()
$777
This Cheapflightsfares deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/195:40 pm
SEA
- BCN
1 stop19h 30m
Condor
Wed 7/228:00 am
BCN
- SEA
1 stop16h 40m
Condor
Deal found 6/15![Condor logo]()
$798
This FlightHub deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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.
Wed 7/225:40 pm
SEA
- BCN
1 stop19h 30m
Condor
Wed 8/125:00 pm
BCN
- SEA
1 stop32h 00m
Condor
Deal found 6/17![Condor logo]()
$789
This Cheapflightsfares deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 7/236:05 pm
SEA
- MAD
1 stop18h 50m
Multiple Airlines
Fri 8/217:00 am
MAD
- SEA
1 stop18h 00m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$743
This Cheapflightsfares deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/265:40 pm
SEA
- MAD
1 stop19h 15m
Multiple Airlines
Tue 8/117:00 am
MAD
- SEA
1 stop17h 40m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$765
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 June 18, 2026.
Search for one-way flight options from Seattle to Spain. Find affordable one-way fares based on user searches. Data last updated June 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:00 am
SEA
- MAD
2 stops16h 55m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 8/246:35 pm
SEA
- BCN
3 stops31h 25m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$191
This oojo deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:00 am
SEA
- MAD
2 stops16h 55m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:35 pm
SEA
- BCN
3 stops45h 40m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:00 am
SEA
- BCN
3 stops29h 45m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:48 am
SEA
- BCN
3 stops22h 37m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 11/87:48 am
SEA
- BCN
3 stops22h 37m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:00 am
SEA
- BIO
3 stops28h 00m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:35 pm
SEA
- MAD
3 stops54h 10m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/48:00 am
SEA
- BIO
3 stops28h 00m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 12/17:55 am
SEA
- SVQ
3 stops27h 10m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 12/27:55 am
SEA
- SVQ
3 stops27h 10m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$233
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 June 18, 2026.
Round-trip from | $647 (FlightHub) |
|---|---|
One-way from | $188 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $1,187 |
Good round-trip deal | $1,020 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 June 18, 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
Sun 10/11
5:40 pm-7:30 pm
1 stop16h 50m
Palma de Mallorca Son Sant Joan
Thu 10/15
7:45 am-4:00 pm
1 stop17h 15m
$647
SeattlePalma de Mallorca
SEA - PMI
SEAPMI
Seattle/Tacoma Intl
Sun 10/11
5:40 am-8:30 am
2 stops17h 50m
Palma de Mallorca Son Sant Joan
Thu 10/15
12:15 pm-10:42 pm
2 stops19h 27m
$683
SeattlePalma de Mallorca
SEA - PMI
SEAPMI
Seattle/Tacoma Intl
Sun 10/11
10:58 pm-6:15 am
1 stop22h 17m
Palma de Mallorca Son Sant Joan
Thu 10/15
12:15 pm-6:52 pm
2 stops39h 37m
$713
SeattleIbiza
SEA - IBZ
SEAIBZ
Seattle/Tacoma Intl
Sun 10/18
1:30 pm-4:25 pm
1 stop17h 55m
Ibiza
Thu 10/22
6:15 pm-11:35 am
1 stop26h 20m
$731
SeattleMálaga
SEA - AGP
SEAAGP
Seattle/Tacoma Intl
Tue 9/29
7:20 am-11:45 am
2 stops19h 25m
Malaga
Tue 10/20
5:25 pm-11:52 am
1 stop27h 27m
$731
SeattleValencia
SEA - VLC
SEAVLC
Seattle/Tacoma Intl
Sun 10/18
1:30 pm-7:35 pm
1 stop21h 05m
Valencia
Thu 10/22
9:20 pm-11:35 am
1 stop23h 15m
$731
SeattlePalma de Mallorca
SEA - PMI
SEAPMI
Seattle/Tacoma Intl
Sun 10/11
1:30 pm-1:40 pm
1 stop15h 10m
Palma de Mallorca Son Sant Joan
Thu 10/15
1:00 pm-6:25 pm
1 stop14h 25m
$732
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
Wed 8/12
5:40 pm-4:05 pm
1 stop13h 25m
Barcelona-El Prat
Tue 8/18
5:00 pm-3:40 pm
1 stop31h 40m
$752
Quickest round-trip
SeattleValencia
SEA - VLC
SEAVLC
Seattle/Tacoma Intl
Sat 11/7
1:40 pm-11:55 am
1 stop13h 15m
Valencia
Tue 11/17
6:00 am-11:47 am
1 stop14h 47m
$776
SeattleValencia
SEA - VLC
SEAVLC
Seattle/Tacoma Intl
Mon 9/28
11:13 pm-10:55 pm
2 stops38h 42m
Valencia
Thu 10/1
6:20 pm-10:42 pm
2 stops37h 22m
$776
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-SVQ
SEA-IBZ
SEA-PMI
SEA-BIO
SEA-MAD
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Spain
SEA-ES0
SEA-SVQ
SEA-IBZ
SEA-PMI
SEA-BIO
What is the cheapest month to book a flight from Seattle to Spain?
Currently, February is the cheapest month in which you can book a flight from Seattle to Spain (average of $264). Flying from Seattle to Spain in May is currently the most expensive (average of $1,437). 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 June 18, 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 20% of weekly flights between Seattle and Spain have experienced delays in the past year, with the average delay time being 122 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.
How far ahead should I book a flight from Seattle to Spain?
Booking 19 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 June 18, 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.
Food
7.2
Crew
8.5
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Crew
8.5
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Crew
8.5
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Crew
8.5
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Crew
8.5
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Crew
8.5
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Top regions
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 June 18, 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 June 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$123 | Average$1,152 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$367 | Average$642 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$438 | Average$800 | 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$870 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$471 | Average$855 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$476 | Average$834 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$478 | Average$927 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$479 | Average$846 | FlexibilityNo cancel fee | On-time70% |