$221+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MAD
Apr 25 — May 21
Round-trip
1 adult, Economy
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Cheapest flights from Seattle to SpainExplore the most affordable flight options available from Seattle to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 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 March 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 4/126:50 pm
SEA
- AGP
1 stop14h 05m
Lufthansa
Tue 4/286:45 pm
AGP
- SEA
1 stop31h 14m
Lufthansa
Deal found 3/21![Lufthansa logo]()
$478
This Kiwi.com deal was found by Cheapflights users on 3/24. 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.
Tue 4/212:10 pm
SEA
- PMI
1 stop19h 35m
Multiple Airlines
Tue 4/289:40 am
PMI
- SEA
2 stops22h 02m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$495
This Mytrip deal was found by Cheapflights users on 3/21. 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.
Mon 4/203:40 pm
SEA
- AGP
2 stops24h 05m
Multiple Airlines
Mon 4/275:50 am
AGP
- SEA
2 stops23h 50m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$508
This Justfly.com deal was found by Cheapflights users on 3/24. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:00 am
SEA
- PMI
2 stops25h 50m
Austrian Airlines
Tue 4/286:40 pm
PMI
- SEA
2 stops35h 13m
Austrian Airlines
Deal found 3/24![Austrian Airlines logo]()
$511
This Cheapflightsfares deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/133:40 pm
SEA
- AGP
2 stops17h 15m
Lufthansa
Mon 4/206:45 pm
AGP
- SEA
2 stops26h 35m
Lufthansa
Deal found 3/23![Lufthansa logo]()
$526
This KAYAK deal was found by Cheapflights users on 3/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:50 pm
SEA
- PMI
1 stop15h 25m
Multiple Airlines
Mon 4/206:40 pm
PMI
- SEA
2 stops33h 20m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$564
This Mytrip deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/183:55 pm
SEA
- BCN
1 stop32h 00m
Scandinavian Airlines
Thu 10/112:25 pm
BCN
- SEA
1 stop34h 20m
Scandinavian Airlines
Deal found 3/22![Scandinavian Airlines logo]()
$566
This Cheapflightsfares deal was found by Cheapflights users on 3/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/202:10 pm
SEA
- AGP
2 stops18h 45m
Lufthansa
Mon 4/276:45 pm
AGP
- SEA
2 stops26h 35m
Lufthansa
Deal found 3/22![Lufthansa logo]()
$567
This Air Canada deal was found by Cheapflights users on 3/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:20 pm
SEA
- PMI
2 stops28h 10m
Air Canada
Thu 9/1012:15 pm
PMI
- SEA
2 stops30h 37m
Air Canada
Deal found 3/23![Air Canada logo]()
$573
This Cheapflightsfares deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:40 pm
SEA
- BCN
1 stop13h 25m
Condor
Wed 10/2110:25 am
BCN
- SEA
1 stop14h 15m
Condor
Deal found 3/24![Condor logo]()
$580
This KAYAK deal was found by Cheapflights users on 3/23. 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.
Tue 8/186:50 pm
SEA
- PMI
1 stop13h 35m
Lufthansa
Thu 9/1012:15 pm
PMI
- SEA
2 stops35h 07m
Lufthansa
Deal found 3/23![Lufthansa logo]()
$582
This KAYAK deal was found by Cheapflights users on 3/23. 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 9/63:55 pm
SEA
- PMI
1 stop32h 10m
Scandinavian Airlines
Thu 9/1710:25 am
PMI
- SEA
2 stops36h 20m
Scandinavian Airlines
Deal found 3/23![Scandinavian Airlines logo]()
$585
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 March 26, 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 March 26, 2026.
This United Airlines deal was found by Cheapflights users on 3/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/65:00 pm
SEA
- PMI
2 stops37h 15m
United Airlines
Wed 9/1610:00 am
PMI
- SEA
3 stops22h 24m
United Airlines
Deal found 3/25![United Airlines logo]()
$666
This Booking.com deal was found by Cheapflights users on 3/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:10 pm
SEA
- BIO
1 stop37h 10m
Turkish Airlines
Tue 5/1212:10 pm
BIO
- SEA
1 stop38h 05m
Turkish Airlines
Deal found 3/21![Turkish Airlines logo]()
$683
This FlightHub deal was found by Cheapflights users on 3/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:15 am
SEA
- BIO
2 stops43h 20m
Scandinavian Airlines
Fri 5/227:35 pm
BIO
- SEA
1 stop27h 10m
Scandinavian Airlines
Deal found 3/22![Scandinavian Airlines logo]()
$689
This Condor deal was found by Cheapflights users on 3/23. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:40 pm
SEA
- PMI
1 stop16h 45m
Condor
Sun 9/68:15 pm
PMI
- SEA
1 stop28h 55m
Condor
Deal found 3/23![Condor logo]()
$718
This KLM deal was found by Cheapflights users on 3/22. 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.
Sun 5/31:45 pm
SEA
- ALC
1 stop34h 35m
KLM
Tue 5/129:35 pm
ALC
- SEA
1 stop23h 07m
KLM
Deal found 3/22![KLM logo]()
$771
This Delta deal was found by Cheapflights users on 3/21. 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 5/51:45 pm
SEA
- BIO
2 stops18h 45m
Delta
Tue 5/126:45 am
BIO
- SEA
2 stops18h 59m
Delta
Deal found 3/21![Delta logo]()
$780
This Condor deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:15 pm
SEA
- BCN
1 stop18h 55m
Multiple Airlines
Wed 9/238:00 am
BCN
- SEA
2 stops19h 56m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$790
This Lufthansa deal was found by Cheapflights users on 3/23. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:50 pm
SEA
- PMI
1 stop16h 35m
Lufthansa
Fri 5/158:35 am
PMI
- SEA
2 stops17h 24m
Lufthansa
Deal found 3/23![Lufthansa logo]()
$792
This BusinessClass deal was found by Cheapflights users on 3/25. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1210:25 am
SEA
- BIO
2 stops21h 30m
British Airways
Tue 5/191:30 pm
BIO
- SEA
2 stops40h 52m
British Airways
Deal found 3/25![British Airways logo]()
$857
This SWISS deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:00 am
SEA
- ALC
2 stops20h 00m
SWISS
Sun 5/38:05 pm
ALC
- SEA
2 stops36h 24m
SWISS
Deal found 3/23![SWISS logo]()
$858
This BusinessClass deal was found by Cheapflights users on 3/22. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/106:00 am
SEA
- XRY
2 stops22h 15m
Iberia
Sat 5/29:15 am
XRY
- SEA
2 stops22h 23m
Iberia
Deal found 3/22![Iberia logo]()
$1,244
This American Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:00 am
SEA
- XRY
2 stops17h 45m
American Airlines
Sat 5/91:45 pm
XRY
- SEA
2 stops19h 59m
American Airlines
Deal found 3/26![American Airlines logo]()
$1,255
This United Airlines deal was found by Cheapflights users on 3/23. 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 4/205:00 am
SEA
- PMI
2 stops25h 15m
United Airlines
Mon 5/411:25 am
PMI
- SEA
2 stops22h 47m
United Airlines
Deal found 3/23![United Airlines logo]()
$687
This Turkish Airlines deal was found by Cheapflights users on 3/23. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:10 pm
SEA
- BIO
1 stop31h 00m
Turkish Airlines
Fri 5/2212:10 pm
BIO
- SEA
1 stop38h 05m
Turkish Airlines
Deal found 3/23![Turkish Airlines logo]()
$696
This Scandinavian Airlines deal was found by Cheapflights users on 3/25. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:55 pm
SEA
- MAD
1 stop35h 05m
Scandinavian Airlines
Mon 8/3112:50 pm
MAD
- SEA
1 stop33h 55m
Scandinavian Airlines
Deal found 3/25![Scandinavian Airlines logo]()
$740
This Turkish Airlines deal was found by Cheapflights users on 3/25. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:10 pm
SEA
- AGP
1 stop36h 45m
Turkish Airlines
Mon 4/275:55 pm
AGP
- SEA
1 stop32h 20m
Turkish Airlines
Deal found 3/25![Turkish Airlines logo]()
$697
This KLM deal was found by Cheapflights users on 3/22. 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 5/612:10 pm
SEA
- ALC
2 stops17h 55m
KLM
Wed 5/131:35 pm
ALC
- SEA
1 stop31h 07m
KLM
Deal found 3/22![KLM logo]()
$772
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Fri 9/46:51 pm
SEA
- PMI
3 stops52h 39m
United Airlines
Mon 9/1412:15 pm
PMI
- SEA
3 stops66h 06m
United Airlines
Deal found 3/24![United Airlines logo]()
$713
This Condor deal was found by Cheapflights users on 3/23. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/610:49 am
SEA
- BCN
2 stops20h 16m
Multiple Airlines
Wed 5/1310:25 am
BCN
- SEA
1 stop14h 15m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$800
This Justfly.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/222:10 pm
SEA
- ALC
1 stop17h 20m
Lufthansa
Mon 5/115:40 pm
ALC
- SEA
1 stop27h 40m
Lufthansa
Deal found 3/25![Lufthansa logo]()
$800
This Scandinavian Airlines deal was found by Cheapflights users on 3/21. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/41:45 pm
SEA
- AGP
2 stops21h 35m
Scandinavian Airlines
Mon 5/189:10 pm
AGP
- SEA
2 stops34h 45m
Scandinavian Airlines
Deal found 3/21![Scandinavian Airlines logo]()
$743
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/21. 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.
Mon 5/411:55 am
SEA
- AGP
3 stops26h 00m
TAP AIR PORTUGAL
Mon 5/1810:25 am
AGP
- SEA
3 stops32h 55m
TAP AIR PORTUGAL
Deal found 3/21![TAP AIR PORTUGAL logo]()
$1,652
This KLM deal was found by Cheapflights users on 3/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/51:45 pm
SEA
- ALC
1 stop22h 40m
KLM
Tue 5/1210:15 am
ALC
- SEA
2 stops19h 28m
KLM
Deal found 3/21![KLM logo]()
$781
This Delta deal was found by Cheapflights users on 3/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/812:30 pm
SEA
- BIO
2 stops19h 00m
Delta
Fri 5/156:45 am
BIO
- SEA
2 stops19h 08m
Delta
Deal found 3/24![Delta logo]()
$862
This Turkish Airlines deal was found by Cheapflights users on 3/21. 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 4/227:10 pm
SEA
- AGP
1 stop30h 40m
Turkish Airlines
Sat 5/211:45 am
AGP
- SEA
1 stop38h 30m
Turkish Airlines
Deal found 3/21![Turkish Airlines logo]()
$717
This British Airways deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/108:20 pm
SEA
- ALC
1 stop28h 45m
British Airways
Sun 5/248:10 pm
ALC
- SEA
1 stop24h 25m
British Airways
Deal found 3/21![British Airways logo]()
$868
This Condor deal was found by Cheapflights users on 3/25. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:20 am
SEA
- BCN
2 stops19h 40m
Condor
Sat 8/2910:25 am
BCN
- SEA
1 stop14h 35m
Condor
Deal found 3/25![Condor logo]()
$874
This United Airlines deal was found by Cheapflights users on 3/21. 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.
Sun 4/1211:59 pm
SEA
- PMI
2 stops30h 16m
United Airlines
Sun 4/1912:00 pm
PMI
- SEA
2 stops44h 27m
United Airlines
Deal found 3/21![United Airlines logo]()
$731
This Lufthansa deal was found by Cheapflights users on 3/23. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/232:10 pm
SEA
- ALC
1 stop17h 20m
Lufthansa
Mon 5/45:40 pm
ALC
- SEA
1 stop27h 40m
Lufthansa
Deal found 3/23![Lufthansa logo]()
$826
This SWISS deal was found by Cheapflights users on 3/21. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/610:52 am
SEA
- MAD
2 stops37h 28m
SWISS
Tue 8/1810:05 am
MAD
- SEA
2 stops45h 37m
SWISS
Deal found 3/21![SWISS logo]()
$920
Last-minute flights from Seattle to SpainDiscover last-minute flight deals from Seattle to Spain. Data last updated March 26, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Spain. Data last updated March 26, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 4/126:50 pm
SEA
- AGP
1 stop14h 05m
Lufthansa
Tue 4/286:45 pm
AGP
- SEA
1 stop31h 14m
Lufthansa
Deal found 3/21![Lufthansa logo]()
$478
This KAYAK deal was found by Cheapflights users on 3/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:50 pm
SEA
- PMI
1 stop15h 25m
Multiple Airlines
Mon 4/206:40 pm
PMI
- SEA
2 stops33h 20m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$564
This Cheapflightsfares deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/133:40 pm
SEA
- AGP
2 stops17h 15m
Lufthansa
Mon 4/206:45 pm
AGP
- SEA
2 stops26h 35m
Lufthansa
Deal found 3/23![Lufthansa logo]()
$526
This United Airlines deal was found by Cheapflights users on 3/23. 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.
Sat 4/1811:35 pm
SEA
- PMI
2 stops30h 45m
United Airlines
Sat 4/258:55 am
PMI
- SEA
1 stop36h 25m
United Airlines
Deal found 3/23![United Airlines logo]()
$612
This Mytrip deal was found by Cheapflights users on 3/21. 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.
Mon 4/203:40 pm
SEA
- AGP
2 stops24h 05m
Multiple Airlines
Mon 4/275:50 am
AGP
- SEA
2 stops23h 50m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$508
This Cheapflightsfares deal was found by Cheapflights users on 3/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/202:10 pm
SEA
- AGP
2 stops18h 45m
Lufthansa
Mon 4/276:45 pm
AGP
- SEA
2 stops26h 35m
Lufthansa
Deal found 3/22![Lufthansa logo]()
$567
This Kiwi.com deal was found by Cheapflights users on 3/22. 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.
Mon 4/202:10 pm
SEA
- AGP
1 stop17h 40m
Lufthansa
Thu 4/306:45 pm
AGP
- SEA
1 stop31h 14m
Lufthansa
Deal found 3/22![Lufthansa logo]()
$607
This Kiwi.com deal was found by Cheapflights users on 3/24. 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.
Tue 4/212:10 pm
SEA
- PMI
1 stop19h 35m
Multiple Airlines
Tue 4/289:40 am
PMI
- SEA
2 stops22h 02m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$495
This Justfly.com deal was found by Cheapflights users on 3/24. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:00 am
SEA
- PMI
2 stops25h 50m
Austrian Airlines
Tue 4/286:40 pm
PMI
- SEA
2 stops35h 13m
Austrian Airlines
Deal found 3/24![Austrian Airlines logo]()
$511
This KAYAK deal was found by Cheapflights users on 3/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/212:10 pm
SEA
- AGP
2 stops18h 45m
Lufthansa
Tue 4/286:45 pm
AGP
- SEA
1 stop31h 14m
Lufthansa
Deal found 3/22![Lufthansa logo]()
$589
This Gotogate deal was found by Cheapflights users on 3/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/223:40 pm
SEA
- BCN
1 stop14h 05m
Icelandair
Wed 4/293:45 pm
BCN
- SEA
1 stop13h 55m
Icelandair
Deal found 3/25![Icelandair logo]()
$602
This Trip.com deal was found by Cheapflights users on 3/21. 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.
Wed 4/297:00 pm
SEA
- BCN
2 stops20h 50m
Multiple Airlines
Wed 6/103:00 pm
BCN
- SEA
1 stop27h 40m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$613
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 March 26, 2026.
Search for one-way flight options from Seattle to Spain. Find affordable one-way fares based on user searches. Data last updated March 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 4/203:40 pm
SEA
- AGP
2 stops24h 05m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 3/21. 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.
Sat 4/187:00 pm
SEA
- AGP
2 stops20h 15m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 4/157:00 pm
SEA
- AGP
2 stops20h 25m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 3/22. 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.
Mon 4/203:40 pm
SEA
- MAD
3 stops48h 20m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 3/22. 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.
Mon 4/133:40 pm
SEA
- MAD
3 stops48h 20m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 4/197:00 pm
SEA
- AGP
3 stops31h 55m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 4/197:00 pm
SEA
- MAD
3 stops42h 15m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 4/197:00 pm
SEA
- SVQ
3 stops32h 55m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 4/267:00 pm
SEA
- MAD
3 stops39h 25m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 3/22. 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.
Mon 4/203:40 pm
SEA
- SVQ
3 stops43h 55m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 3/22. 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.
Sat 4/187:00 pm
SEA
- MAD
3 stops38h 35m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 5/117:00 pm
SEA
- MAD
3 stops31h 40m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$256
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 March 26, 2026.
Round-trip from | $478 (Kiwi.com) |
|---|---|
One-way from | $221 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $701 |
Good round-trip deal | $880 or less |
Good one-way deal | $698 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 March 26, 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 9/6
5:00 pm-3:15 pm
2 stops37h 15m
Palma de Mallorca Son Sant Joan
Wed 9/16
10:00 am-11:24 pm
3 stops22h 24m
$666
SeattleBilbao
SEA - BIO
SEABIO
Seattle/Tacoma Intl
Tue 5/5
7:10 pm-5:20 pm
1 stop37h 10m
Bilbao
Tue 5/12
12:10 pm-5:15 pm
1 stop38h 05m
$683
SeattlePalma de Mallorca
SEA - PMI
SEAPMI
Seattle/Tacoma Intl
Mon 4/20
5:00 am-3:15 pm
2 stops25h 15m
Palma de Mallorca Son Sant Joan
Mon 5/4
11:25 am-1:12 am
2 stops22h 47m
$687
SeattleBilbao
SEA - BIO
SEABIO
Seattle/Tacoma Intl
Sat 5/2
7:15 am-11:35 am
2 stops43h 20m
Bilbao
Fri 5/22
7:35 pm-1:45 pm
1 stop27h 10m
$689
SeattleBilbao
SEA - BIO
SEABIO
Seattle/Tacoma Intl
Sat 5/2
7:10 pm-11:10 am
1 stop31h 00m
Bilbao
Fri 5/22
12:10 pm-5:15 pm
1 stop38h 05m
$696
SeattleMálaga
SEA - AGP
SEAAGP
Seattle/Tacoma Intl
Mon 4/20
7:10 pm-4:55 pm
1 stop36h 45m
Malaga
Mon 4/27
5:55 pm-5:15 pm
1 stop32h 20m
$697
SeattlePalma de Mallorca
SEA - PMI
SEAPMI
Seattle/Tacoma Intl
Fri 9/4
6:51 pm-8:30 am
3 stops52h 39m
Palma de Mallorca Son Sant Joan
Mon 9/14
12:15 pm-9:21 pm
3 stops66h 06m
$713
SeattleMálaga
SEA - AGP
SEAAGP
Seattle/Tacoma Intl
Wed 4/22
7:10 pm-10:50 am
1 stop30h 40m
Malaga
Sat 5/2
11:45 am-5:15 pm
1 stop38h 30m
$717
SeattlePalma de Mallorca
SEA - PMI
SEAPMI
Seattle/Tacoma Intl
Wed 8/19
5:40 pm-7:25 pm
1 stop16h 45m
Palma de Mallorca Son Sant Joan
Sun 9/6
8:15 pm-4:10 pm
1 stop28h 55m
$718
SeattlePalma de Mallorca
SEA - PMI
SEAPMI
Seattle/Tacoma Intl
Sun 4/12
11:59 pm-3:15 pm
2 stops30h 16m
Palma de Mallorca Son Sant Joan
Sun 4/19
12:00 pm-11:27 pm
2 stops44h 27m
$731
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-BIO
SEA-AGP
SEA-PMI
SEA-MAD
SEA-VLC
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Spain
SEA-ES0
SEA-BIO
SEA-AGP
SEA-PMI
SEA-MAD
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 $755). 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 March 26, 2026.
Read reviews from past customers who have flown Delta,Air France, andIcelandair 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
Entertainment
7.8
Boarding
8.1
Food
7.2
Overall
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Overall
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Overall
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Overall
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Overall
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Overall
7.9
Crew
8.5
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 March 26, 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 March 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$123 | Average$1,152 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$367 | Average$554 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$438 | Average$808 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$440 | Average$558 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$467 | Average$900 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$471 | Average$795 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$476 | Average$806 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$478 | Average$925 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$479 | Average$776 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$480 | Average$813 | FlexibilityNo cancel fee | On-time70% |