$252+ Cheap flights from Seattle (SEA) to Spain
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MAD
Oct 18 — Oct 251
Round-trip
1 adult, Economy
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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
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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 September 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 September 18, 2026.
This oojo deal was found by Cheapflights users on 9/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/112:35 pm -
1 stop14h 10m
Sat 12/1910:15 pm -
1 stop27h 45m
Deal found 9/16![Icelandair logo]()
$530
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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.
Wed 10/281:16 pm -
2 stops24h 04m
Wed 11/119:50 am -
2 stops22h 17m
Deal found 9/15![SWISS logo]()
$574
This Gotogate deal was found by Cheapflights users on 9/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:50 pm -
1 stop19h 35m
Tue 10/136:50 am -
2 stops16h 32m
Deal found 9/15![Multiple Airlines logo]()
$592
This Gotogate deal was found by Cheapflights users on 9/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:50 pm -
1 stop17h 55m
Wed 11/119:50 am -
2 stops20h 09m
Deal found 9/15![Multiple Airlines logo]()
$593
This Justfly.com deal was found by Cheapflights users on 9/13. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:50 pm -
1 stop19h 35m
Tue 10/68:55 pm -
2 stops30h 37m
Deal found 9/13![Multiple Airlines logo]()
$597
This Gotogate deal was found by Cheapflights users on 9/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:50 pm -
1 stop19h 35m
Tue 10/1311:55 am -
1 stop14h 04m
Deal found 9/15![Lufthansa logo]()
$598
This Gotogate deal was found by Cheapflights users on 9/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:50 am -
2 stops27h 05m
Tue 10/2011:55 am -
1 stop14h 04m
Deal found 9/14![Multiple Airlines logo]()
$600
This Iberia deal was found by Cheapflights users on 9/15. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:14 am -
2 stops21h 56m
Wed 1/209:30 pm -
2 stops23h 00m
Deal found 9/15![Iberia logo]()
$603
This Justfly.com deal was found by Cheapflights users on 9/15. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:50 pm -
1 stop14h 05m
Tue 10/67:15 am -
1 stop18h 44m
Deal found 9/15![Lufthansa logo]()
$607
This oojo deal was found by Cheapflights users on 9/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:50 pm -
1 stop17h 55m
Wed 11/117:30 am -
1 stop14h 30m
Deal found 9/15![Lufthansa logo]()
$609
This Air France deal was found by Cheapflights users on 9/17. 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.
Wed 10/284:20 pm -
1 stop17h 30m
Fri 11/66:00 am -
1 stop14h 47m
Deal found 9/17![Air France logo]()
$612
This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:08 pm -
2 stops34h 32m
Mon 10/125:25 pm -
1 stop32h 10m
Deal found 9/17![Delta logo]()
$612
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 September 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 September 18, 2026.
This Iberia deal was found by Cheapflights users on 9/14. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/910:29 am -
2 stops17h 41m
Wed 1/209:30 pm -
2 stops23h 00m
Deal found 9/14![Iberia logo]()
$603
This Finnair deal was found by Cheapflights users on 9/15. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/105:00 am -
2 stops19h 00m
Wed 3/31:45 pm -
2 stops30h 35m
Deal found 9/15![Multiple Airlines logo]()
$608
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:45 pm -
1 stop13h 45m
Fri 10/910:30 am -
1 stop16h 17m
Deal found 9/13![Delta logo]()
$612
This KLM deal was found by Cheapflights users on 9/13. 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.
Wed 12/911:55 am -
2 stops21h 20m
Wed 1/208:15 pm -
1 stop24h 35m
Deal found 9/13![KLM logo]()
$630
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Tue 9/296:50 pm -
1 stop19h 35m
Mon 10/122:10 pm -
3 stops39h 27m
Deal found 9/13![United Airlines logo]()
$650
This oojo deal was found by Cheapflights users on 9/18. 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.
Fri 1/222:35 pm -
1 stop16h 50m
Thu 1/284:25 pm -
1 stop32h 35m
Deal found 9/18![Icelandair logo]()
$670
This Expedia deal was found by Cheapflights users on 9/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:50 pm -
1 stop18h 15m
Fri 11/610:10 am -
2 stops22h 10m
Deal found 9/15![Lufthansa logo]()
$703
This SWISS deal was found by Cheapflights users on 9/14. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:16 pm -
2 stops22h 54m
Thu 11/52:45 pm -
2 stops41h 33m
Deal found 9/14![SWISS logo]()
$710
This Condor deal was found by Cheapflights users on 9/14. 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 10/145:40 pm -
1 stop19h 30m
Mon 10/195:00 pm -
1 stop31h 40m
Deal found 9/14![Condor logo]()
$753
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:40 pm -
1 stop13h 55m
Thu 10/228:05 am -
1 stop19h 55m
Deal found 9/16![Alaska Airlines logo]()
$759
This Trip.com deal was found by Cheapflights users on 9/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:05 pm -
1 stop30h 35m
Sat 11/711:40 am -
1 stop38h 30m
Deal found 9/16![Turkish Airlines logo]()
$788
This British Airways deal was found by Cheapflights users on 9/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/151:30 pm -
1 stop35h 30m
Mon 10/265:55 pm -
1 stop26h 30m
Deal found 9/15![British Airways logo]()
$791
This Scandinavian Airlines deal was found by Cheapflights users on 9/17. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/23:55 pm -
2 stops32h 50m
Sat 10/1010:45 am -
2 stops36h 00m
Deal found 9/17![Scandinavian Airlines logo]()
$981
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/14:05 pm -
1 stop16h 45m
Wed 12/96:00 am -
2 stops21h 43m
Deal found 9/13![Delta logo]()
$622
This KLM deal was found by Cheapflights users on 9/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/102:25 pm -
1 stop20h 15m
Wed 3/37:30 pm -
1 stop25h 05m
Deal found 9/14![KLM logo]()
$630
This KLM deal was found by Cheapflights users on 9/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:15 am -
2 stops20h 30m
Wed 1/207:00 am -
2 stops26h 09m
Deal found 9/18![Multiple Airlines logo]()
$635
This United Airlines deal was found by Cheapflights users on 9/17. 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 11/12:50 pm -
1 stop17h 55m
Sun 11/86:45 am -
1 stop14h 15m
Deal found 9/17![United Airlines logo]()
$651
This Delta deal was found by Cheapflights users on 9/18. 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 11/1811:45 am -
2 stops19h 25m
Tue 12/155:55 am -
1 stop16h 55m
Deal found 9/18![Delta logo]()
$629
This KLM deal was found by Cheapflights users on 9/15. 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.
Sun 11/82:35 pm -
1 stop17h 50m
Tue 11/176:50 pm -
2 stops29h 05m
Deal found 9/15![KLM logo]()
$635
This Icelandair deal was found by Cheapflights users on 9/17. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/102:35 pm -
1 stop16h 50m
Thu 1/144:25 pm -
1 stop32h 35m
Deal found 9/17![Icelandair logo]()
$703
This Expedia deal was found by Cheapflights users on 9/16. 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.
Sat 10/3111:17 am -
2 stops25h 38m
Sat 11/79:15 am -
2 stops20h 04m
Deal found 9/16![Iberia logo]()
$703
This KLM deal was found by Cheapflights users on 9/16. 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.
Wed 10/284:20 pm -
1 stop17h 30m
Wed 11/46:00 am -
2 stops19h 24m
Deal found 9/16![Multiple Airlines logo]()
$652
This Cheapflightsfares deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/292:10 pm -
2 stops24h 15m
Fri 10/96:45 am -
2 stops19h 14m
Deal found 9/13![Lufthansa logo]()
$723
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 10/299:05 am -
2 stops28h 50m
Thu 11/511:45 am -
1 stop34h 15m
Deal found 9/14![United Airlines logo]()
$668
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/15. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/126:50 am -
3 stops25h 20m
Tue 1/269:10 pm -
2 stops33h 30m
Deal found 9/15![TAP AIR PORTUGAL logo]()
$1,474
This Delta deal was found by Cheapflights users on 9/18. 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.
Tue 9/295:45 pm -
1 stop20h 15m
Tue 10/206:30 am -
2 stops19h 15m
Deal found 9/18![Delta logo]()
$634
This KLM deal was found by Cheapflights users on 9/13. 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.
Wed 10/283:25 pm -
1 stop18h 15m
Wed 11/410:25 am -
1 stop34h 22m
Deal found 9/13![KLM logo]()
$652
This CheapOair deal was found by Cheapflights users on 9/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:15 pm -
1 stop30h 25m
Mon 10/2611:40 am -
1 stop38h 30m
Deal found 9/13![Turkish Airlines logo]()
$807
This Orbitz deal was found by Cheapflights users on 9/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:50 pm -
1 stop14h 10m
Sun 11/17:15 pm -
2 stops36h 52m
Deal found 9/18![Lufthansa logo]()
$745
This British Airways deal was found by Cheapflights users on 9/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:45 pm -
1 stop31h 10m
Fri 11/2711:55 am -
1 stop32h 30m
Deal found 9/14![British Airways logo]()
$832
Last-minute flights from Seattle to SpainDiscover last-minute flight deals from Seattle to Spain. Data last updated September 18, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Spain. Data last updated September 18, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 9/13. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:50 pm -
1 stop19h 35m
Tue 10/68:55 pm -
2 stops30h 37m
Deal found 9/13![Multiple Airlines logo]()
$597
This Justfly.com deal was found by Cheapflights users on 9/15. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:50 pm -
1 stop14h 05m
Tue 10/67:15 am -
1 stop18h 44m
Deal found 9/15![Lufthansa logo]()
$607
This Gotogate deal was found by Cheapflights users on 9/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:50 pm -
1 stop19h 35m
Tue 10/136:50 am -
2 stops16h 32m
Deal found 9/15![Multiple Airlines logo]()
$592
This Gotogate deal was found by Cheapflights users on 9/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:50 pm -
1 stop19h 35m
Tue 10/1311:55 am -
1 stop14h 04m
Deal found 9/15![Lufthansa logo]()
$598
This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:08 pm -
2 stops34h 32m
Mon 10/125:25 pm -
1 stop32h 10m
Deal found 9/17![Delta logo]()
$612
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/271:30 pm -
1 stop19h 00m
Thu 10/810:30 am -
1 stop16h 17m
Deal found 9/16![Delta logo]()
$612
This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/41:30 pm -
1 stop13h 15m
Thu 10/156:00 am -
1 stop20h 47m
Deal found 9/17![Delta logo]()
$613
This Gotogate deal was found by Cheapflights users on 9/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:50 am -
2 stops27h 05m
Tue 10/2011:55 am -
1 stop14h 04m
Deal found 9/14![Multiple Airlines logo]()
$600
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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.
Wed 10/281:16 pm -
2 stops24h 04m
Wed 11/119:50 am -
2 stops22h 17m
Deal found 9/15![SWISS logo]()
$574
This Gotogate deal was found by Cheapflights users on 9/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:50 pm -
1 stop17h 55m
Wed 11/119:50 am -
2 stops20h 09m
Deal found 9/15![Multiple Airlines logo]()
$593
This oojo deal was found by Cheapflights users on 9/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:50 pm -
1 stop17h 55m
Wed 11/117:30 am -
1 stop14h 30m
Deal found 9/15![Lufthansa logo]()
$609
This Air France deal was found by Cheapflights users on 9/17. 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.
Wed 10/284:20 pm -
1 stop17h 30m
Fri 11/66:00 am -
1 stop14h 47m
Deal found 9/17![Air France logo]()
$612
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 September 18, 2026.
Search for one-way flight options from Seattle to Spain. Find affordable one-way fares based on user searches. Data last updated September 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Sat 10/103:55 pm -
2 stops56h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sat 10/33:55 pm -
2 stops56h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Fri 10/23:55 pm -
2 stops35h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Sun 10/113:55 pm -
3 stops58h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sun 10/43:55 pm -
2 stops35h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Fri 10/23:55 pm -
3 stops56h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Fri 10/23:55 pm -
2 stops46h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/113:55 pm -
3 stops44h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/313:35 pm -
2 stops33h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$271
This Mytrip deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:35 pm -
2 stops23h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/63:55 pm -
2 stops44h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/263:35 pm -
2 stops34h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$273
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 September 18, 2026.
Round-trip from | $530 (oojo) |
|---|---|
One-way from | $252 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $818 |
Good round-trip deal | $960 or less |
Good one-way deal | $776 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 7,457,451 searches. Data last updated September 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
SeattleValencia
SEA Seattle/Tacoma Intl - VLC Valencia
SEAVLC
Seattle/Tacoma Intl
Fri 10/2
3:55 pm-11:10 pm
2 stops46h 15m
Valencia
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$268
SeattleBarcelona
SEA Seattle/Tacoma Intl - BCN Barcelona-El Prat
SEABCN
Seattle/Tacoma Intl
Sun 10/18
7:00 pm-2:40 pm
2 stops34h 40m
Barcelona-El Prat
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$278
SeattleBilbao
SEA Seattle/Tacoma Intl - BIO Bilbao
SEABIO
Seattle/Tacoma Intl
Fri 10/30
3:35 pm-11:10 pm
3 stops23h 35m
Bilbao
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$304
SeattleBarcelona
SEA Seattle/Tacoma Intl - BCN Barcelona-El Prat
SEABCN
Seattle/Tacoma Intl
Sat 10/17
7:00 pm-11:05 pm
2 stops43h 05m
Barcelona-El Prat
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$308
SeattleAlicante
SEA Seattle/Tacoma Intl - ALC Alicante
SEAALC
Seattle/Tacoma Intl
Tue 10/27
3:35 pm-3:10 pm
3 stops39h 35m
Alicante
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$309
SeattleGranadilla
SEA Seattle/Tacoma Intl - TFS Granadilla Tenerife-Sur
SEATFS
Seattle/Tacoma Intl
Sun 11/15
2:35 pm-11:55 am
2 stops37h 20m
Granadilla Tenerife-Sur
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$323
SeattleBarcelona
SEA Seattle/Tacoma Intl - BCN Barcelona-El Prat
SEABCN
Seattle/Tacoma Intl
Sat 10/17
11:55 pm-9:50 am
1 stop24h 55m
Barcelona-El Prat
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$331
SeattleMálaga
SEA Seattle/Tacoma Intl - AGP Malaga
SEAAGP
Seattle/Tacoma Intl
Sun 2/28
6:45 pm-11:45 am
1 stop32h 00m
Malaga
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$340
SeattleMadrid
SEA Seattle/Tacoma Intl - MAD Madrid Barajas
SEAMAD
Seattle/Tacoma Intl
Wed 10/21
11:55 pm-11:30 am
1 stop26h 35m
Madrid Barajas
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$348
SeattleGranadilla
SEA Seattle/Tacoma Intl - TFS Granadilla Tenerife-Sur
SEATFS
Seattle/Tacoma Intl
Sun 11/15
2:35 pm-3:25 pm
1 stop16h 50m
Granadilla Tenerife-Sur
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$363
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-AGP
SEA-BIO
SEA-ALC
SEA-VLC
SEA-BCN
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-AGP
SEA-BIO
SEA-ALC
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 $581). Flying from Seattle to Spain in June is currently the most expensive (average of $1,144). 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 September 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 9% of weekly flights between Seattle and Spain have experienced delays in the past year, with the average delay time being 192 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?
Saturday 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 9% 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 September 18, 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.
Food
7.2
Crew
8.5
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Crew
8.5
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Crew
8.5
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Crew
8.5
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Crew
8.5
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Crew
8.5
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Seattle to Spain. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Seattle to Spain
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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 September 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 7,457,451 searches. Data last updated September 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$369 | Average$619 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$430 | Average$833 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$454 | Average$856 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$470 | Average$878 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$471 | Average$896 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$476 | Average$882 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$478 | Average$954 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$478 | Average$661 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$480 | Average$1,032 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$486 | Average$963 | FlexibilityNo cancel fee | On-timeN/A |