$347+ Cheap flights from Spain to Seattle (SEA)
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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SEA
Jul 23 — Jul 301
Round-trip
1 adult, Economy
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Cheapest flights from Spain to SeattleExplore the most affordable flight options available from Spain to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2026.
Explore the most affordable flight options available from Spain to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2026.
This Gotogate deal was found by Cheapflights users on 6/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:00 am
BCN
- SEA
1 stop17h 00m
Condor
Sun 10/185:40 pm
SEA
- BCN
1 stop19h 30m
Condor
Deal found 6/22![Condor logo]()
$549
This Virgin Atlantic deal was found by Cheapflights users on 6/23. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/193:15 pm
BCN
- SEA
1 stop28h 53m
Virgin Atlantic
Sat 8/2911:13 pm
SEA
- BCN
1 stop24h 22m
Virgin Atlantic
Deal found 6/23![Virgin Atlantic logo]()
$550
This Rumbo deal was found by Cheapflights users on 6/21. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/310:15 am
BCN
- SEA
1 stop14h 45m
Condor
Tue 9/156:05 pm
SEA
- BCN
1 stop19h 05m
Condor
Deal found 6/21![Condor logo]()
$571
This Trip.com deal was found by Cheapflights users on 6/21. 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.
Tue 9/810:15 am
MAD
- SEA
2 stops19h 25m
Multiple Airlines
Mon 9/213:40 pm
SEA
- MAD
2 stops21h 00m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$611
This Trip.com deal was found by Cheapflights users on 6/21. 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.
Tue 9/810:15 am
MAD
- SEA
2 stops19h 25m
Multiple Airlines
Fri 9/117:00 pm
SEA
- MAD
2 stops16h 30m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$616
This Trip.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:45 pm
MAD
- SEA
2 stops31h 55m
Multiple Airlines
Fri 9/117:00 pm
SEA
- MAD
2 stops16h 30m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$618
This Rumbo deal was found by Cheapflights users on 6/21. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:25 am
BCN
- SEA
1 stop14h 15m
Condor
Tue 9/156:05 pm
SEA
- BCN
1 stop19h 05m
Condor
Deal found 6/21![Condor logo]()
$624
This Gotogate deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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.
Thu 10/110:15 am
BCN
- SEA
1 stop14h 45m
Condor
Thu 10/86:05 pm
SEA
- BCN
1 stop19h 05m
Condor
Deal found 6/19![Condor logo]()
$633
This Gotogate deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 8/2510:25 am
BCN
- SEA
1 stop14h 15m
Condor
Mon 9/76:10 pm
SEA
- BCN
1 stop19h 00m
Condor
Deal found 6/20![Condor logo]()
$646
This deal was found by Cheapflights users on 6/23. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:00 am
BCN
- SEA
1 stop17h 00m
Condor
Thu 9/36:05 pm
SEA
- BCN
1 stop13h 00m
Condor
Deal found 6/23![Condor logo]()
$647
This Mytrip deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 9/28:45 am
BCN
- SEA
2 stops36h 00m
Multiple Airlines
Mon 9/147:00 pm
SEA
- BCN
2 stops15h 55m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$652
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 8/1910:25 am
BCN
- SEA
1 stop14h 15m
Condor
Mon 8/246:10 pm
SEA
- BCN
1 stop19h 00m
Condor
Deal found 6/21![Condor logo]()
$661
Best flights from Spain to SeattleDiscover carefully curated flight deals from Spain to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 23, 2026.
Discover carefully curated flight deals from Spain to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 23, 2026.
This Virgin Atlantic deal was found by Cheapflights users on 6/23. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:50 am
MAD
- SEA
2 stops23h 05m
Virgin Atlantic
Fri 9/117:15 am
SEA
- MAD
2 stops20h 00m
Virgin Atlantic
Deal found 6/23![Virgin Atlantic logo]()
$709
This Condor deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 9/268:00 am
BCN
- SEA
2 stops24h 12m
Multiple Airlines
Tue 10/66:05 pm
SEA
- BCN
1 stop19h 05m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$760
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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.
Sat 12/126:50 am
BIO
- SEA
2 stops21h 33m
Delta
Sat 1/1611:15 am
SEA
- BIO
2 stops21h 10m
Delta
Deal found 6/19![Delta logo]()
$790
This British Airways deal was found by Cheapflights users on 6/22. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:00 pm
PMI
- SEA
1 stop14h 25m
British Airways
Mon 9/216:15 am
SEA
- PMI
2 stops28h 20m
British Airways
Deal found 6/22![British Airways logo]()
$821
This Iberia deal was found by Cheapflights users on 6/22. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:25 pm
SVQ
- SEA
2 stops19h 33m
Iberia
Mon 10/58:20 pm
SEA
- SVQ
2 stops37h 00m
Iberia
Deal found 6/22![Iberia logo]()
$863
This United Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 9/106:50 am
BIO
- SEA
1 stop14h 05m
United Airlines
Mon 9/142:10 pm
SEA
- BIO
1 stop23h 15m
United Airlines
Deal found 6/19![United Airlines logo]()
$905
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/292:05 pm
MAD
- SEA
1 stop17h 49m
JetBlue
Wed 8/1911:45 am
SEA
- MAD
1 stop14h 45m
JetBlue
Deal found 6/18![JetBlue logo]()
$940
This Turkish Airlines 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:55 pm
AGP
- SEA
1 stop32h 25m
Turkish Airlines
Mon 10/127:15 pm
SEA
- AGP
1 stop30h 35m
Turkish Airlines
Deal found 6/18![Turkish Airlines logo]()
$951
This Scandinavian Airlines 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:30 pm
AGP
- SEA
2 stops34h 15m
Scandinavian Airlines
Tue 8/253:55 pm
SEA
- AGP
1 stop19h 25m
Scandinavian Airlines
Deal found 6/18![Scandinavian Airlines logo]()
$973
This KLM deal was found by Cheapflights users on 6/22. 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 7/296:20 am
BCN
- SEA
1 stop14h 13m
KLM
Thu 8/61:50 pm
SEA
- BCN
1 stop15h 35m
KLM
Deal found 6/22![KLM logo]()
$1,037
This American Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/79:15 am
TFN
- SEA
2 stops21h 36m
American Airlines
Sun 10/116:23 am
SEA
- TFN
2 stops22h 52m
American Airlines
Deal found 6/22![American Airlines logo]()
$1,076
This Virgin Atlantic deal was found by Cheapflights users on 6/23. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:55 am
BCN
- SEA
2 stops20h 10m
Virgin Atlantic
Sat 8/295:30 am
SEA
- BCN
2 stops42h 05m
Virgin Atlantic
Deal found 6/23![Virgin Atlantic logo]()
$743
This Air France deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:45 am
BIO
- SEA
1 stop18h 50m
Multiple Airlines
Sun 9/131:30 pm
SEA
- BIO
1 stop19h 00m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$801
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:45 am
BIO
- SEA
1 stop14h 02m
Delta
Sun 9/1311:59 am
SEA
- BIO
2 stops20h 31m
Delta
Deal found 6/23![Delta logo]()
$811
This British Airways deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 10/11:00 pm
PMI
- SEA
1 stop14h 25m
British Airways
Mon 10/53:10 pm
SEA
- PMI
2 stops19h 25m
British Airways
Deal found 6/19![British Airways logo]()
$822
This Iberia deal was found by Cheapflights users on 6/22. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:45 am
BIO
- SEA
2 stops26h 26m
Iberia
Mon 9/141:38 pm
SEA
- BIO
2 stops22h 12m
Iberia
Deal found 6/22![Iberia logo]()
$869
This Condor deal was found by Cheapflights users on 6/21. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:00 am
MAD
- SEA
2 stops21h 39m
Multiple Airlines
Mon 8/316:10 pm
SEA
- MAD
1 stop18h 45m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$815
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 9/86:00 am
MAD
- SEA
1 stop14h 47m
Delta
Mon 9/217:15 am
SEA
- MAD
2 stops19h 05m
Delta
Deal found 6/20![Delta logo]()
$822
This United Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 9/266:40 am
BCN
- SEA
2 stops20h 52m
United Airlines
Tue 10/65:00 am
SEA
- BCN
2 stops19h 00m
United Airlines
Deal found 6/20![United Airlines logo]()
$910
This British Airways deal was found by Cheapflights users on 6/22. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/172:45 pm
VLC
- SEA
1 stop29h 50m
British Airways
Mon 9/211:30 pm
SEA
- VLC
1 stop21h 15m
British Airways
Deal found 6/22![British Airways logo]()
$838
This JetBlue deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/202:05 pm
MAD
- SEA
1 stop17h 49m
JetBlue
Tue 8/411:45 am
SEA
- MAD
1 stop14h 45m
JetBlue
Deal found 6/19![JetBlue logo]()
$977
This Iberia deal was found by Cheapflights users on 6/22. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:40 pm
LCG
- SEA
2 stops41h 12m
Iberia
Sun 10/46:15 am
SEA
- LCG
2 stops25h 50m
Iberia
Deal found 6/22![Iberia logo]()
$895
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:10 am
AGP
- SEA
2 stops20h 45m
Multiple Airlines
Tue 8/257:00 pm
SEA
- AGP
3 stops20h 10m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$824
This eDestinos 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:05 pm
AGP
- SEA
1 stop24h 30m
British Airways
Fri 10/161:30 pm
SEA
- AGP
1 stop35h 35m
British Airways
Deal found 6/18![British Airways logo]()
$854
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/146:00 am
BCN
- SEA
2 stops25h 05m
Delta
Sat 1/99:55 pm
SEA
- BCN
1 stop25h 40m
Delta
Deal found 6/20![Delta logo]()
$868
This Scandinavian Airlines deal was found by Cheapflights users on 6/22. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:40 pm
AGP
- SEA
1 stop25h 05m
Scandinavian Airlines
Mon 10/1212:00 pm
SEA
- AGP
2 stops23h 20m
Scandinavian Airlines
Deal found 6/22![Scandinavian Airlines logo]()
$1,058
This Condor deal was found by Cheapflights users on 6/21. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:00 am
MAD
- SEA
2 stops25h 12m
Multiple Airlines
Wed 9/95:40 pm
SEA
- MAD
1 stop19h 15m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$827
This JetBlue deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/42:05 pm
MAD
- SEA
1 stop29h 30m
JetBlue
Mon 7/2011:45 am
SEA
- MAD
1 stop14h 45m
JetBlue
Deal found 6/19![JetBlue logo]()
$1,011
This Iberia deal was found by Cheapflights users on 6/21. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:40 am
AGP
- SEA
2 stops34h 55m
Iberia
Mon 10/121:30 pm
SEA
- AGP
2 stops26h 50m
Iberia
Deal found 6/21![Iberia logo]()
$925
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.
Fri 10/95:25 pm
AGP
- SEA
1 stop27h 27m
Delta
Fri 10/161:30 pm
SEA
- AGP
2 stops21h 10m
Delta
Deal found 6/18![Delta logo]()
$877
Last-minute flights from Spain to SeattleDiscover last-minute flight deals from Spain to Seattle. Data last updated June 23, 2026 and is based on user searches.
Discover last-minute flight deals from Spain to Seattle. Data last updated June 23, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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.
Sat 6/275:30 pm
BCN
- SEA
3 stops36h 30m
Multiple Airlines
Mon 7/133:40 pm
SEA
- BCN
3 stops21h 20m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$768
This Condor deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 7/18:00 am
BCN
- SEA
1 stop16h 40m
Condor
Mon 9/286:10 pm
SEA
- BCN
1 stop19h 00m
Condor
Deal found 6/20![Condor logo]()
$820
This lol.travel deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/42:05 pm
MAD
- SEA
1 stop17h 44m
JetBlue
Fri 7/1711:45 am
SEA
- MAD
1 stop14h 45m
JetBlue
Deal found 6/20![JetBlue logo]()
$778
This Mytrip deal was found by Cheapflights users on 6/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/91:45 pm
BIO
- SEA
2 stops30h 30m
Multiple Airlines
Mon 7/136:15 pm
SEA
- BIO
1 stop15h 20m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$795
This CheapOair deal was found by Cheapflights users on 6/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/97:00 am
MAD
- SEA
2 stops20h 33m
Multiple Airlines
Tue 7/146:05 pm
SEA
- MAD
1 stop18h 50m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$811
This Mytrip deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 7/108:55 am
BCN
- SEA
3 stops45h 05m
Multiple Airlines
Thu 7/233:40 pm
SEA
- BCN
3 stops24h 35m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$802
This Cheapflightsfares deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 7/148:00 am
BCN
- SEA
1 stop16h 40m
Condor
Sun 7/265:40 pm
SEA
- BCN
1 stop19h 30m
Condor
Deal found 6/20![Condor logo]()
$772
This Condor deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 7/158:00 am
BCN
- SEA
1 stop16h 40m
Condor
Wed 7/225:40 pm
SEA
- BCN
1 stop19h 30m
Condor
Deal found 6/19![Condor logo]()
$800
This lol.travel deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/162:05 pm
MAD
- SEA
1 stop17h 49m
JetBlue
Thu 7/3011:45 am
SEA
- MAD
1 stop14h 45m
JetBlue
Deal found 6/19![JetBlue logo]()
$729
This Expedia deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” 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 7/178:00 am
BCN
- SEA
1 stop17h 00m
Condor
Tue 7/216:05 pm
SEA
- BCN
1 stop19h 05m
Condor
Deal found 6/19![Condor logo]()
$794
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/172:05 pm
MAD
- SEA
1 stop31h 22m
JetBlue
Thu 7/3011:46 pm
SEA
- MAD
1 stop26h 44m
JetBlue
Deal found 6/18![JetBlue logo]()
$807
This lol.travel deal was found by Cheapflights users on 6/21. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/182:05 pm
MAD
- SEA
1 stop17h 26m
JetBlue
Mon 8/311:45 am
SEA
- MAD
1 stop14h 45m
JetBlue
Deal found 6/21![JetBlue logo]()
$823
One-way flights from Spain to SeattleSearch for one-way flight options from Spain to Seattle. Find affordable one-way fares based on user searches. Data last updated June 23, 2026.
Search for one-way flight options from Spain to Seattle. Find affordable one-way fares based on user searches. Data last updated June 23, 2026.
This Virgin Atlantic deal was found by Cheapflights users on 6/23. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:55 am
BCN
- SEA
1 stop21h 25m
Virgin Atlantic
Deal found 6/23![Virgin Atlantic logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1511:25 am
BCN
- SEA
2 stops31h 15m
WestJet
Deal found 6/21![WestJet logo]()
$360
This Trip.com deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:55 am
MAD
- SEA
2 stops31h 45m
WestJet
Deal found 6/20![WestJet logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:25 am
BCN
- SEA
2 stops40h 20m
WestJet
Deal found 6/22![WestJet logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:25 am
BCN
- SEA
3 stops58h 35m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:45 am
BCN
- SEA
2 stops19h 15m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$400
This Kiwi.com deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/283:05 pm
BIO
- SEA
3 stops38h 55m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:35 pm
BCN
- SEA
3 stops34h 25m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 9/1411:15 pm
SVQ
- SEA
3 stops43h 25m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:25 am
BCN
- SEA
3 stops40h 20m
WestJet
Deal found 6/23![WestJet logo]()
$416
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Wed 9/210:20 pm
BIO
- SEA
3 stops50h 40m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$423
This Mytrip deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:55 am
MAD
- SEA
3 stops31h 57m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$426
Find flight deals from Spain to Seattle
Keep the following information in mind while searching for Spain to Seattle flight deals. Data was last updated June 23, 2026.
Round-trip from | $549 (Gotogate) |
|---|---|
One-way from | $360 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $966 |
Good round-trip deal | $1,024 or less |
Good one-way deal | $1,132 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Spain to Seattle 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 23, 2026.
Use the filters below to find and compare flights from Spain to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MadridSeattle
MAD - SEA
MADSEA
Madrid Barajas
Tue 9/8
9:50 am-11:55 pm
2 stops23h 05m
Seattle/Tacoma Intl
Fri 9/11
7:15 am-12:15 pm
2 stops20h 00m
$709
BarcelonaSeattle
BCN - SEA
BCNSEA
Barcelona-El Prat
Wed 8/19
10:55 am-10:05 pm
2 stops20h 10m
Seattle/Tacoma Intl
Sat 8/29
5:30 am-8:35 am
2 stops42h 05m
$743
BarcelonaSeattle
BCN - SEA
BCNSEA
Barcelona-El Prat
Sat 9/26
8:00 am-11:12 pm
2 stops24h 12m
Seattle/Tacoma Intl
Tue 10/6
6:05 pm-10:10 pm
1 stop19h 05m
$760
BilbaoSeattle
BIO - SEA
BIOSEA
Bilbao
Sat 12/12
6:50 am-7:23 pm
2 stops21h 33m
Seattle/Tacoma Intl
Sat 1/16
11:15 am-5:25 pm
2 stops21h 10m
$790
BilbaoSeattle
BIO - SEA
BIOSEA
Bilbao
Wed 9/2
6:45 am-4:35 pm
1 stop18h 50m
Seattle/Tacoma Intl
Sun 9/13
1:30 pm-5:30 pm
1 stop19h 00m
$801
BilbaoSeattle
BIO - SEA
BIOSEA
Bilbao
Wed 9/2
6:45 am-11:47 am
1 stop14h 02m
Seattle/Tacoma Intl
Sun 9/13
11:59 am-5:30 pm
2 stops20h 31m
$811
MadridSeattle
MAD - SEA
MADSEA
Madrid Barajas
Thu 8/20
7:00 am-7:39 pm
2 stops21h 39m
Seattle/Tacoma Intl
Mon 8/31
6:10 pm-9:55 pm
1 stop18h 45m
$815
Palma de MallorcaSeattle
PMI - SEA
PMISEA
Palma de Mallorca Son Sant Joan
Thu 9/17
1:00 pm-6:25 pm
1 stop14h 25m
Seattle/Tacoma Intl
Mon 9/21
6:15 am-7:35 pm
2 stops28h 20m
$821
Palma de MallorcaSeattle
PMI - SEA
PMISEA
Palma de Mallorca Son Sant Joan
Thu 10/1
1:00 pm-6:25 pm
1 stop14h 25m
Seattle/Tacoma Intl
Mon 10/5
3:10 pm-7:35 pm
2 stops19h 25m
$822
MadridSeattle
MAD - SEA
MADSEA
Madrid Barajas
Tue 9/8
6:00 am-11:47 am
1 stop14h 47m
Seattle/Tacoma Intl
Mon 9/21
7:15 am-11:20 am
2 stops19h 05m
$822
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Spain to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Spain with our price prediction graph.
MAD-SEA
BCN-SEA
BIO-SEA
XRY-SEA
SVQ-SEA
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 Spain to Seattle
ES0-SEA
MAD-SEA
BCN-SEA
BIO-SEA
XRY-SEA
What is the cheapest month to book a flight from Spain to Seattle?
Currently, December is the cheapest month in which you can book a flight from Spain to Seattle (average of $85). Flying from Spain to Seattle in January is currently the most expensive (average of $725). 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 ES to SEA?
Find hourly flight availability from Spain to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 23, 2026.
When flying from Spain to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How far ahead should I book a flight from Spain to Seattle?
To ensure you get the cheapest price possible for a flight from Spain to Seattle, you should look to book at least 72 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated June 23, 2026.
Get a feel of what it's like to fly with Delta,Air France, andLufthansa from Spain to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Comfort
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Crew
8.5
Comfort
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Crew
8.5
Comfort
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Crew
8.5
Comfort
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Crew
8.5
Comfort
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Crew
8.5
Comfort
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Related info for your journey
Find useful and relevant information for your journey from Spain to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Tacoma
Lacey
Leavenworth
Olympia
Ocean Shores
Renton
Edmonds
Snoqualmie
Tumwater
Tukwila
Kent
Lynnwood
Ellensburg
Fife
Marysville
Lakewood
Issaquah
Shoreline
Centralia
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Alternative routes for Spain to Seattle
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Complete your trip
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Search flights from Spain to Seattle by cabin class
Find flights from Spain to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Spain and Seattle flights
Browse other Spain and Seattle flight options. Last updated on June 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 23, 2026.
Spain to Seattle flights
Consider these flights traveling from Spain to Seattle.
Top 5 airlines flying from Spain to Seattle
Discover the top 5 airlines that operate flights from Spain to Seattle. 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 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$600 | Average$700 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$662 | Average$836 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$760 | Average$1,041 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$777 | Average$837 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$1,022 | Average$1,339 | FlexibilityNo cancel fee | On-time77% |