$227+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MAD
Sep 3 — Sep 101
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 August 4, 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 August 4, 2026.
This Mytrip deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 9/38:00 am
SEA
- PMI
2 stops30h 35m
Multiple Airlines
Thu 9/107:30 am
PMI
- SEA
2 stops22h 34m
Multiple Airlines
Deal found 8/3![Multiple Airlines logo]()
$592
This flugladen.de deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:00 pm
SEA
- AGP
2 stops20h 40m
Multiple Airlines
Sat 9/56:30 am
AGP
- SEA
2 stops23h 10m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$607
This Mytrip deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/298:00 am
SEA
- PMI
2 stops30h 35m
Multiple Airlines
Sat 9/53:30 pm
PMI
- SEA
2 stops34h 29m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$624
This Cheapflightsfares deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:40 pm
SEA
- MAD
1 stop19h 15m
Multiple Airlines
Sat 10/247:00 am
MAD
- SEA
1 stop18h 00m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$661
This Mytrip deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 9/108:00 am
SEA
- PMI
2 stops30h 35m
Multiple Airlines
Tue 9/153:30 pm
PMI
- SEA
2 stops34h 29m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$670
This Mytrip deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 10/57:00 pm
SEA
- BCN
3 stops32h 25m
Multiple Airlines
Tue 10/1310:10 am
BCN
- SEA
2 stops19h 30m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$687
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/273:55 pm
SEA
- BCN
1 stop17h 15m
Multiple Airlines
Tue 10/68:10 am
BCN
- SEA
1 stop14h 35m
Multiple Airlines
Deal found 8/2![Multiple Airlines logo]()
$688
This Mytrip deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:15 pm
SEA
- BCN
2 stops22h 55m
Multiple Airlines
Fri 11/68:35 pm
BCN
- SEA
2 stops28h 00m
Multiple Airlines
Deal found 8/3![Multiple Airlines logo]()
$689
This Trip.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 10/166:00 pm
SEA
- BCN
1 stop19h 10m
Condor
Sun 10/257:00 am
BCN
- SEA
1 stop15h 55m
Condor
Deal found 8/1![Condor logo]()
$690
This Mytrip deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/278:00 am
SEA
- BCN
2 stops26h 20m
Multiple Airlines
Thu 9/37:50 am
BCN
- SEA
2 stops22h 17m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$691
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 10/136:05 pm
SEA
- BCN
1 stop19h 05m
Condor
Tue 10/2010:25 am
BCN
- SEA
1 stop14h 15m
Condor
Deal found 8/2![Condor logo]()
$693
This Cheapflightsfares deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:05 pm
SEA
- BCN
1 stop19h 05m
Condor
Wed 9/3010:25 am
BCN
- SEA
1 stop14h 15m
Condor
Deal found 8/1![Condor logo]()
$694
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 August 4, 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 August 4, 2026.
This United Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 1/242:50 pm
SEA
- BIO
1 stop22h 05m
United Airlines
Thu 1/286:45 am
BIO
- SEA
1 stop14h 15m
United Airlines
Deal found 8/3![United Airlines logo]()
$728
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 11/711:50 am
SEA
- VLC
2 stops21h 00m
Delta
Tue 11/176:00 am
VLC
- SEA
1 stop14h 47m
Delta
Deal found 7/30![Delta logo]()
$730
This Condor deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 10/36:00 pm
SEA
- BCN
1 stop13h 05m
Condor
Mon 10/1910:15 am
BCN
- SEA
1 stop14h 55m
Condor
Deal found 8/3![Condor logo]()
$731
This Mytrip deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/177:00 pm
SEA
- ALC
2 stops19h 45m
Multiple Airlines
Tue 8/258:00 pm
ALC
- SEA
3 stops33h 40m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$732
This KLM deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 12/98:25 am
SEA
- ALC
2 stops24h 50m
KLM
Wed 1/208:15 pm
ALC
- SEA
1 stop24h 35m
KLM
Deal found 8/3![KLM logo]()
$736
This Gotogate deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:25 pm
SEA
- ALC
1 stop32h 10m
Icelandair
Tue 8/2511:50 pm
ALC
- SEA
1 stop20h 55m
Icelandair
Deal found 7/30![Icelandair logo]()
$742
This Brussels Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:10 am
SEA
- MAD
2 stops23h 35m
Brussels Airlines
Wed 9/306:20 am
MAD
- SEA
2 stops23h 17m
Brussels Airlines
Deal found 7/30![Brussels Airlines logo]()
$759
This Cheapflightsfares deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:50 pm
SEA
- BIO
1 stop14h 05m
Lufthansa
Thu 10/86:50 am
BIO
- SEA
1 stop14h 30m
Lufthansa
Deal found 8/3![Lufthansa logo]()
$777
This British Airways deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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.
Mon 9/281:30 pm
SEA
- VLC
1 stop21h 15m
British Airways
Mon 10/1212:00 pm
VLC
- SEA
1 stop32h 35m
British Airways
Deal found 8/2![British Airways logo]()
$791
This CheapOair deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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.
Wed 11/117:05 pm
SEA
- SVQ
1 stop36h 30m
Turkish Airlines
Wed 11/1811:40 am
SVQ
- SEA
1 stop38h 30m
Turkish Airlines
Deal found 8/1![Turkish Airlines logo]()
$807
This Scandinavian Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/273:55 pm
SEA
- ALC
2 stops17h 30m
Scandinavian Airlines
Fri 10/911:00 am
ALC
- SEA
2 stops35h 45m
Scandinavian Airlines
Deal found 8/2![Scandinavian Airlines logo]()
$937
This SWISS deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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.
Fri 10/27:00 am
SEA
- IBZ
2 stops27h 50m
SWISS
Tue 10/68:50 pm
IBZ
- SEA
2 stops30h 42m
SWISS
Deal found 7/31![SWISS logo]()
$997
This United Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 10/58:25 am
SEA
- MAD
1 stop14h 40m
United Airlines
Wed 10/1412:45 pm
MAD
- SEA
2 stops36h 20m
United Airlines
Deal found 8/3![United Airlines logo]()
$730
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 1/127:20 am
SEA
- MAD
2 stops19h 10m
Delta
Fri 2/196:05 am
MAD
- SEA
1 stop14h 42m
Delta
Deal found 7/31![Delta logo]()
$745
This United deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:50 pm
SEA
- PMI
1 stop13h 50m
Multiple Airlines
Thu 10/86:30 pm
PMI
- SEA
1 stop31h 29m
Multiple Airlines
Deal found 8/3![Multiple Airlines logo]()
$746
This Icelandair deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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.
Mon 8/177:00 pm
SEA
- ALC
1 stop18h 55m
Icelandair
Wed 9/25:35 pm
ALC
- SEA
1 stop33h 20m
Icelandair
Deal found 8/3![Icelandair logo]()
$778
This KLM deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:45 pm
SEA
- ALC
1 stop18h 40m
KLM
Tue 10/139:35 pm
ALC
- SEA
1 stop23h 17m
KLM
Deal found 8/2![KLM logo]()
$791
This Expedia deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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.
Wed 10/141:30 pm
SEA
- IBZ
1 stop18h 45m
British Airways
Wed 10/211:20 pm
IBZ
- SEA
1 stop14h 05m
British Airways
Deal found 7/31![British Airways logo]()
$793
This Turkish Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 11/58:05 pm
SEA
- SVQ
1 stop29h 35m
Turkish Airlines
Sun 11/155:35 pm
SVQ
- SEA
1 stop32h 35m
Turkish Airlines
Deal found 8/2![Turkish Airlines logo]()
$807
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2811:14 pm
SEA
- MAD
2 stops24h 46m
United Airlines
Wed 10/2112:45 pm
MAD
- SEA
2 stops36h 20m
United Airlines
Deal found 7/31![United Airlines logo]()
$735
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 1/117:20 am
SEA
- MAD
2 stops19h 10m
Delta
Mon 1/1810:50 am
MAD
- SEA
1 stop34h 00m
Delta
Deal found 8/1![Delta logo]()
$746
This Condor deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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.
Sun 8/305:40 pm
SEA
- PMI
1 stop16h 50m
Condor
Wed 9/27:45 am
PMI
- SEA
1 stop16h 55m
Condor
Deal found 8/2![Condor logo]()
$849
This Lufthansa deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 11/261:50 pm
SEA
- PMI
1 stop18h 20m
Lufthansa
Sun 1/174:45 pm
PMI
- SEA
1 stop28h 15m
Lufthansa
Deal found 7/30![Lufthansa logo]()
$858
This Condor deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/1612:05 pm
SEA
- BCN
2 stops25h 05m
Multiple Airlines
Wed 9/238:00 am
BCN
- SEA
1 stop16h 40m
Multiple Airlines
Deal found 8/2![Multiple Airlines logo]()
$785
This KLM deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/305:45 pm
SEA
- ALC
1 stop16h 40m
KLM
Mon 10/128:20 pm
ALC
- SEA
1 stop24h 32m
KLM
Deal found 8/2![KLM logo]()
$791
This British Airways deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 9/291:30 pm
SEA
- IBZ
1 stop19h 35m
British Airways
Thu 10/86:15 pm
IBZ
- SEA
1 stop33h 10m
British Airways
Deal found 8/3![British Airways logo]()
$801
This United Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 12/61:50 pm
SEA
- VLC
1 stop18h 35m
United Airlines
Thu 12/106:05 am
VLC
- SEA
1 stop14h 55m
United Airlines
Deal found 8/3![United Airlines logo]()
$739
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/285:45 pm
SEA
- MAD
1 stop16h 50m
Delta
Thu 11/51:05 pm
MAD
- SEA
1 stop31h 42m
Delta
Deal found 8/2![Delta logo]()
$746
This Turkish Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 11/117:05 pm
SEA
- SVQ
1 stop36h 30m
Turkish Airlines
Sun 11/155:35 pm
SVQ
- SEA
1 stop32h 35m
Turkish Airlines
Deal found 7/30![Turkish Airlines logo]()
$836
This Condor deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 10/75:40 pm
SEA
- BCN
1 stop13h 25m
Condor
Tue 10/1310:25 am
BCN
- SEA
1 stop14h 15m
Condor
Deal found 8/3![Condor logo]()
$857
Last-minute flights from Seattle to SpainDiscover last-minute flight deals from Seattle to Spain. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Spain. Data last updated August 4, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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.
Mon 8/176:10 pm
SEA
- BCN
1 stop19h 00m
Condor
Mon 8/3110:15 am
BCN
- SEA
1 stop14h 55m
Condor
Deal found 7/31![Condor logo]()
$698
This Mytrip deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/278:00 am
SEA
- BCN
2 stops26h 20m
Multiple Airlines
Thu 9/37:50 am
BCN
- SEA
2 stops22h 17m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$691
This flugladen.de deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:00 pm
SEA
- AGP
2 stops20h 40m
Multiple Airlines
Sat 9/56:30 am
AGP
- SEA
2 stops23h 10m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$607
This Mytrip deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/298:00 am
SEA
- PMI
2 stops30h 35m
Multiple Airlines
Sat 9/53:30 pm
PMI
- SEA
2 stops34h 29m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$624
This Mytrip deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/28:00 am
SEA
- PMI
2 stops27h 05m
Multiple Airlines
Mon 9/143:30 pm
PMI
- SEA
2 stops34h 29m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$698
This Mytrip deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 9/38:00 am
SEA
- PMI
2 stops30h 35m
Multiple Airlines
Thu 9/107:30 am
PMI
- SEA
2 stops22h 34m
Multiple Airlines
Deal found 8/3![Multiple Airlines logo]()
$592
This Mytrip deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 9/108:00 am
SEA
- PMI
2 stops30h 35m
Multiple Airlines
Tue 9/153:30 pm
PMI
- SEA
2 stops34h 29m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$670
This Cheapflightsfares deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:05 pm
SEA
- BCN
1 stop19h 05m
Condor
Wed 9/3010:25 am
BCN
- SEA
1 stop14h 15m
Condor
Deal found 8/1![Condor logo]()
$694
This Trip.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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.
Mon 9/217:15 pm
SEA
- MAD
2 stops26h 35m
Air Canada
Tue 10/61:30 pm
MAD
- SEA
1 stop16h 34m
Air Canada
Deal found 7/30![Air Canada logo]()
$699
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/273:55 pm
SEA
- BCN
1 stop17h 15m
Multiple Airlines
Tue 10/68:10 am
BCN
- SEA
1 stop14h 35m
Multiple Airlines
Deal found 8/2![Multiple Airlines logo]()
$688
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/275:40 pm
SEA
- BCN
1 stop13h 20m
Condor
Thu 10/810:15 am
BCN
- SEA
1 stop14h 45m
Condor
Deal found 8/2![Condor logo]()
$693
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/275:40 pm
SEA
- BCN
1 stop13h 20m
Condor
Wed 10/710:25 am
BCN
- SEA
1 stop14h 15m
Condor
Deal found 8/2![Condor logo]()
$701
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 August 4, 2026.
Search for one-way flight options from Seattle to Spain. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 1/128:21 am
SEA
- BCN
3 stops25h 09m
Multiple Airlines
Deal found 8/3![Multiple Airlines logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/73:40 pm
SEA
- AGP
2 stops32h 10m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/67:00 pm
SEA
- AGP
2 stops52h 50m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:25 pm
SEA
- BCN
2 stops36h 35m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/83:40 pm
SEA
- AGP
2 stops20h 55m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$243
This Mytrip deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 10/177:00 pm
SEA
- BCN
2 stops19h 25m
Multiple Airlines
Deal found 8/3![Multiple Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/2711:25 pm
SEA
- AGP
2 stops37h 10m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/211:25 pm
SEA
- BCN
2 stops36h 35m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 10/68:00 am
SEA
- AGP
3 stops27h 25m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$253
This Mytrip deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 10/263:35 pm
SEA
- BCN
2 stops21h 55m
Multiple Airlines
Deal found 8/2![Multiple Airlines logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/53:40 pm
SEA
- AGP
2 stops35h 30m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/93:40 pm
SEA
- AGP
2 stops32h 10m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$255
Find flight deals from Seattle to Spain
Keep the following information in mind while searching for Seattle to Spain flight deals. Data was last updated August 4, 2026.
Round-trip from | $540 (Ovago) |
|---|---|
One-way from | $227 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $875 |
Good round-trip deal | $950 or less |
Good one-way deal | $508 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 August 4, 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
SeattleBilbao
SEA - BIO
SEABIO
Seattle/Tacoma Intl
Sun 1/24
2:50 pm-9:55 pm
1 stop22h 05m
Bilbao
Thu 1/28
6:45 am-12:00 pm
1 stop14h 15m
$728
SeattleValencia
SEA - VLC
SEAVLC
Seattle/Tacoma Intl
Sat 11/7
11:50 am-5:50 pm
2 stops21h 00m
Valencia
Tue 11/17
6:00 am-11:47 am
1 stop14h 47m
$730
SeattleMadrid
SEA - MAD
SEAMAD
Seattle/Tacoma Intl
Mon 10/5
8:25 am-8:05 am
1 stop14h 40m
Madrid Barajas
Wed 10/14
12:45 pm-4:05 pm
2 stops36h 20m
$730
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
Sat 10/3
6:00 pm-4:05 pm
1 stop13h 05m
Barcelona-El Prat
Mon 10/19
10:15 am-4:10 pm
1 stop14h 55m
$731
SeattleAlicante
SEA - ALC
SEAALC
Seattle/Tacoma Intl
Mon 8/17
7:00 pm-11:45 pm
2 stops19h 45m
Alicante
Tue 8/25
8:00 pm-8:40 pm
3 stops33h 40m
$732
SeattleMadrid
SEA - MAD
SEAMAD
Seattle/Tacoma Intl
Mon 9/28
11:14 pm-9:00 am
2 stops24h 46m
Madrid Barajas
Wed 10/21
12:45 pm-4:05 pm
2 stops36h 20m
$735
SeattleAlicante
SEA - ALC
SEAALC
Seattle/Tacoma Intl
Wed 12/9
8:25 am-6:15 pm
2 stops24h 50m
Alicante
Wed 1/20
8:15 pm-11:50 am
1 stop24h 35m
$736
SeattleValencia
SEA - VLC
SEAVLC
Seattle/Tacoma Intl
Sun 12/6
1:50 pm-5:25 pm
1 stop18h 35m
Valencia
Thu 12/10
6:05 am-12:00 pm
1 stop14h 55m
$739
SeattleAlicante
SEA - ALC
SEAALC
Seattle/Tacoma Intl
Mon 8/17
11:25 pm-4:35 pm
1 stop32h 10m
Alicante
Tue 8/25
11:50 pm-11:45 am
1 stop20h 55m
$742
SeattleMadrid
SEA - MAD
SEAMAD
Seattle/Tacoma Intl
Tue 1/12
7:20 am-11:30 am
2 stops19h 10m
Madrid Barajas
Fri 2/19
6:05 am-11:47 am
1 stop14h 42m
$745
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-PMI
SEA-AGP
SEA-BCN
SEA-MAD
SEA-SVQ
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Spain
SEA-ES0
SEA-PMI
SEA-AGP
SEA-BCN
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 $560). Flying from Seattle to Spain in June is currently the most expensive (average of $1,145). 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 August 4, 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 11% of weekly flights between Seattle and Spain have experienced delays in the past year, with the average delay time being 134 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 11% 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 August 4, 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.
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Overall
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
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 August 4, 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 August 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$375 | Average$622 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$439 | Average$833 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$454 | Average$854 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$465 | Average$610 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$470 | Average$883 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$471 | Average$852 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$478 | Average$928 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$479 | Average$857 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$480 | Average$978 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$486 | Average$953 | FlexibilityNo cancel fee | On-timeN/A |