$249+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MAD
mar. 8 — mar. 151
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 febrero 6, 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 febrero 6, 2026.
This oojo deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/53:40 pm
SEA
- AGP
1 stop14h 05m
Icelandair
mié. 5/133:45 pm
AGP
- SEA
1 stop13h 55m
Icelandair
Deal found 2/4![Icelandair logo]()
$400
This oojo deal was found by Cheapflights users on 2/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/33:40 pm
SEA
- BCN
1 stop14h 05m
Icelandair
mié. 5/133:45 pm
BCN
- SEA
1 stop13h 55m
Icelandair
Deal found 2/3![Icelandair logo]()
$404
This oojo deal was found by Cheapflights users on 2/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/33:40 pm
SEA
- BCN
1 stop14h 05m
Icelandair
sáb. 5/93:45 pm
BCN
- SEA
1 stop13h 55m
Icelandair
Deal found 2/3![Icelandair logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
mié. 4/223:40 pm
SEA
- BCN
1 stop14h 05m
Icelandair
mié. 4/293:45 pm
BCN
- SEA
1 stop13h 55m
Icelandair
Deal found 2/2![Icelandair logo]()
$408
This Mytrip deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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.
mar. 3/32:35 pm
SEA
- AGP
1 stop14h 10m
Icelandair
mié. 4/13:45 pm
AGP
- SEA
1 stop35h 10m
Icelandair
Deal found 2/5![Icelandair logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
mar. 4/143:40 pm
SEA
- BCN
1 stop14h 05m
Icelandair
lun. 4/204:00 pm
BCN
- SEA
1 stop13h 40m
Icelandair
Deal found 2/2![Icelandair logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
jue. 4/237:00 pm
SEA
- BCN
1 stop34h 45m
Icelandair
lun. 4/273:45 pm
BCN
- SEA
1 stop13h 55m
Icelandair
Deal found 2/2![Icelandair logo]()
$410
This Trip.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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.
mié. 4/223:40 pm
SEA
- BCN
1 stop14h 05m
Icelandair
lun. 4/273:45 pm
BCN
- SEA
1 stop13h 55m
Icelandair
Deal found 2/5![Icelandair logo]()
$413
This Expedia deal was found by Cheapflights users on 2/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/42:35 pm
SEA
- BCN
1 stop14h 00m
Icelandair
mar. 3/1711:50 am
BCN
- SEA
1 stop14h 10m
Icelandair
Deal found 2/3![Icelandair logo]()
$415
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
mié. 4/223:40 pm
SEA
- BCN
1 stop14h 05m
Icelandair
sáb. 5/23:45 pm
BCN
- SEA
1 stop13h 55m
Icelandair
Deal found 2/2![Icelandair logo]()
$416
This KAYAK deal was found by Cheapflights users on 2/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/217:00 pm
SEA
- BCN
1 stop34h 45m
Icelandair
lun. 4/273:45 pm
BCN
- SEA
1 stop13h 55m
Icelandair
Deal found 2/2![Icelandair logo]()
$418
This Kiwi.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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.
sáb. 4/257:00 pm
SEA
- BCN
1 stop34h 45m
Icelandair
vie. 5/83:45 pm
BCN
- SEA
1 stop35h 10m
Icelandair
Deal found 2/4![Icelandair logo]()
$421
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 febrero 6, 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 febrero 6, 2026.
This Icelandair deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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.
sáb. 4/253:40 pm
SEA
- BCN
1 stop14h 05m
Icelandair
mié. 4/293:45 pm
BCN
- SEA
1 stop13h 55m
Icelandair
Deal found 2/5![Icelandair logo]()
$453
This Kiwi.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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.
jue. 3/52:00 pm
SEA
- AGP
1 stop17h 00m
Lufthansa
jue. 3/1912:15 pm
AGP
- SEA
1 stop34h 05m
Lufthansa
Deal found 2/5![Lufthansa logo]()
$458
This Mytrip deal was found by Cheapflights users on 2/3. 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.
mié. 4/156:50 pm
SEA
- BIO
1 stop19h 35m
Multiple Airlines
mié. 4/296:50 am
BIO
- SEA
2 stops24h 03m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$460
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/132:24 pm
SEA
- BCN
1 stop13h 51m
United Airlines
mar. 4/211:15 pm
BCN
- SEA
2 stops36h 22m
United Airlines
Deal found 2/2![United Airlines logo]()
$472
This KLM deal was found by Cheapflights users on 2/3. 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.
mié. 4/151:45 pm
SEA
- VLC
1 stop21h 10m
KLM
mié. 4/229:45 am
VLC
- SEA
1 stop15h 45m
KLM
Deal found 2/3![KLM logo]()
$477
This Delta deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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.
mar. 3/33:05 pm
SEA
- AGP
1 stop15h 30m
Delta
mié. 3/186:05 am
AGP
- SEA
1 stop16h 00m
Delta
Deal found 2/4![Delta logo]()
$486
This British Airways deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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.
jue. 3/56:50 pm
SEA
- AGP
1 stop31h 30m
British Airways
jue. 3/193:20 pm
AGP
- SEA
1 stop29h 10m
British Airways
Deal found 2/5![British Airways logo]()
$488
This KAYAK deal was found by Cheapflights users on 2/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/312:32 pm
SEA
- AGP
2 stops27h 33m
SWISS
mié. 3/185:35 am
AGP
- SEA
2 stops25h 53m
SWISS
Deal found 2/3![SWISS logo]()
$494
This Iberia deal was found by Cheapflights users on 2/3. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/212:10 pm
SEA
- SVQ
2 stops21h 55m
Iberia
vie. 5/11:25 pm
SVQ
- SEA
2 stops20h 19m
Iberia
Deal found 2/3![Iberia logo]()
$638
This Turkish Airlines deal was found by Cheapflights users on 2/3. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/257:00 pm
SEA
- SVQ
1 stop36h 40m
Turkish Airlines
mar. 3/105:45 pm
SVQ
- SEA
1 stop32h 20m
Turkish Airlines
Deal found 2/3![Turkish Airlines logo]()
$672
This American Airlines deal was found by Cheapflights users on 2/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/92:10 pm
SEA
- TFN
2 stops19h 40m
American Airlines
jue. 4/236:50 am
TFN
- SEA
2 stops23h 48m
American Airlines
Deal found 2/3![American Airlines logo]()
$695
This Icelandair deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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.
jue. 4/233:40 pm
SEA
- BCN
1 stop14h 05m
Icelandair
mié. 4/293:45 pm
BCN
- SEA
1 stop13h 55m
Icelandair
Deal found 2/5![Icelandair logo]()
$453
This Cheapflightsfares deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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.
dom. 4/126:50 pm
SEA
- PMI
1 stop13h 35m
Lufthansa
vie. 4/2411:05 am
PMI
- SEA
1 stop14h 54m
Lufthansa
Deal found 2/5![Lufthansa logo]()
$460
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/226:50 pm
SEA
- BCN
1 stop18h 35m
United Airlines
mar. 4/281:15 pm
BCN
- SEA
2 stops36h 26m
United Airlines
Deal found 2/2![United Airlines logo]()
$476
This KLM deal was found by Cheapflights users on 2/3. 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.
mar. 3/33:05 pm
SEA
- AGP
1 stop19h 25m
KLM
mié. 3/1811:10 am
AGP
- SEA
1 stop33h 25m
KLM
Deal found 2/3![KLM logo]()
$480
This Delta deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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.
dom. 4/197:20 am
SEA
- BCN
1 stop16h 25m
Delta
mié. 4/2911:00 am
BCN
- SEA
1 stop21h 53m
Delta
Deal found 2/5![Delta logo]()
$487
This FlightHub deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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.
mié. 4/152:10 pm
SEA
- VLC
1 stop23h 25m
Multiple Airlines
mié. 4/223:00 pm
VLC
- SEA
2 stops37h 00m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$492
This Lufthansa deal was found by Cheapflights users on 2/2. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/226:50 pm
SEA
- BCN
1 stop18h 35m
Lufthansa
mar. 4/286:40 am
BCN
- SEA
1 stop14h 40m
Lufthansa
Deal found 2/2![Lufthansa logo]()
$485
This United Airlines deal was found by Cheapflights users on 2/3. 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.
mar. 4/147:00 am
SEA
- MAD
2 stops17h 00m
United Airlines
mié. 4/225:55 am
MAD
- SEA
1 stop15h 25m
United Airlines
Deal found 2/3![United Airlines logo]()
$486
This KLM deal was found by Cheapflights users on 2/3. 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.
mié. 4/151:45 pm
SEA
- MAD
1 stop14h 55m
KLM
jue. 4/236:00 am
MAD
- SEA
1 stop14h 45m
KLM
Deal found 2/3![KLM logo]()
$488
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/36:10 am
SEA
- BCN
2 stops16h 50m
Delta
jue. 3/129:30 am
BCN
- SEA
2 stops32h 54m
Delta
Deal found 2/3![Delta logo]()
$491
This Mytrip deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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.
sáb. 4/183:40 pm
SEA
- PMI
2 stops41h 45m
Multiple Airlines
mar. 4/286:20 pm
PMI
- SEA
2 stops33h 40m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$496
This oojo deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/261:19 pm
SEA
- VLC
2 stops21h 16m
British Airways
mié. 5/1311:25 am
VLC
- SEA
1 stop16h 00m
British Airways
Deal found 2/5![British Airways logo]()
$550
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/207:00 am
SEA
- BCN
2 stops17h 00m
United Airlines
mié. 4/296:40 am
BCN
- SEA
1 stop14h 40m
United Airlines
Deal found 2/2![United Airlines logo]()
$486
This Delta deal was found by Cheapflights users on 2/2. 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.
mié. 3/47:30 am
SEA
- VLC
2 stops23h 40m
Delta
mié. 3/116:00 am
VLC
- SEA
2 stops21h 59m
Delta
Deal found 2/2![Delta logo]()
$495
This Lufthansa deal was found by Cheapflights users on 2/2. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/43:10 pm
SEA
- MAD
1 stop23h 25m
Lufthansa
mar. 3/176:35 pm
MAD
- SEA
1 stop27h 45m
Lufthansa
Deal found 2/2![Lufthansa logo]()
$499
This oojo deal was found by Cheapflights users on 2/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/11:37 pm
SEA
- AGP
2 stops36h 08m
British Airways
jue. 4/912:40 pm
AGP
- SEA
1 stop31h 55m
British Airways
Deal found 2/3![British Airways logo]()
$551
This FlightHub deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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.
lun. 2/237:00 am
SEA
- PMI
2 stops19h 50m
Multiple Airlines
jue. 3/59:45 am
PMI
- SEA
2 stops22h 00m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$508
This KLM deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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.
sáb. 4/185:30 pm
SEA
- PMI
1 stop19h 30m
KLM
mar. 4/283:45 pm
PMI
- SEA
1 stop29h 00m
KLM
Deal found 2/4![KLM logo]()
$528
This United Airlines deal was found by Cheapflights users on 2/3. 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.
mié. 4/88:00 am
SEA
- BCN
1 stop16h 20m
United Airlines
mié. 4/227:55 am
BCN
- SEA
1 stop18h 04m
United Airlines
Deal found 2/3![United Airlines logo]()
$486
Last-minute flights from Seattle to SpainDiscover last-minute flight deals from Seattle to Spain. Data last updated febrero 6, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Spain. Data last updated febrero 6, 2026 and is based on user searches.
This Flightnetwork deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/222:35 pm
SEA
- BCN
1 stop13h 40m
Icelandair
mar. 3/1011:50 am
BCN
- SEA
1 stop14h 10m
Icelandair
Deal found 2/5![Icelandair logo]()
$432
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
lun. 3/22:00 pm
SEA
- AGP
1 stop17h 10m
Multiple Airlines
dom. 3/154:35 pm
AGP
- SEA
2 stops38h 53m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$453
This Mytrip deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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.
mar. 3/32:35 pm
SEA
- AGP
1 stop14h 10m
Icelandair
mié. 4/13:45 pm
AGP
- SEA
1 stop35h 10m
Icelandair
Deal found 2/5![Icelandair logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
mar. 3/32:00 pm
SEA
- BCN
1 stop14h 00m
Lufthansa
dom. 3/87:40 am
BCN
- SEA
1 stop14h 40m
Lufthansa
Deal found 2/2![Lufthansa logo]()
$455
This Expedia deal was found by Cheapflights users on 2/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/42:35 pm
SEA
- BCN
1 stop14h 00m
Icelandair
mar. 3/1711:50 am
BCN
- SEA
1 stop14h 10m
Icelandair
Deal found 2/3![Icelandair logo]()
$415
This Kiwi.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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.
mié. 3/43:10 pm
SEA
- PMI
1 stop13h 05m
Multiple Airlines
mié. 3/119:45 am
PMI
- SEA
2 stops21h 43m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$442
This Icelandair deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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.
mié. 3/42:35 pm
SEA
- BCN
1 stop14h 00m
Icelandair
dom. 3/811:50 am
BCN
- SEA
1 stop14h 10m
Icelandair
Deal found 2/5![Icelandair logo]()
$453
This Kiwi.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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.
mié. 3/43:10 pm
SEA
- PMI
1 stop17h 05m
Lufthansa
mié. 3/114:05 pm
PMI
- SEA
1 stop29h 05m
Lufthansa
Deal found 2/4![Lufthansa logo]()
$453
This Kiwi.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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.
jue. 3/52:00 pm
SEA
- BCN
1 stop20h 50m
Lufthansa
jue. 3/125:50 am
BCN
- SEA
1 stop15h 20m
Lufthansa
Deal found 2/5![Lufthansa logo]()
$451
This Kiwi.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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.
jue. 3/52:00 pm
SEA
- BIO
1 stop23h 50m
Lufthansa
jue. 3/126:50 pm
BIO
- SEA
1 stop27h 30m
Lufthansa
Deal found 2/5![Lufthansa logo]()
$455
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
jue. 3/52:00 pm
SEA
- BCN
1 stop17h 20m
Lufthansa
mié. 3/187:40 am
BCN
- SEA
1 stop14h 40m
Lufthansa
Deal found 2/3![Lufthansa logo]()
$457
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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.
vie. 3/63:10 pm
SEA
- BCN
1 stop17h 25m
Lufthansa
mar. 3/105:50 am
BCN
- SEA
1 stop15h 20m
Lufthansa
Deal found 2/6![Lufthansa logo]()
$440
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 febrero 6, 2026.
Search for one-way flight options from Seattle to Spain. Find affordable one-way fares based on user searches. Data last updated febrero 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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.
lun. 4/279:35 pm
SEA
- BCN
2 stops54h 45m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$249
This oojo deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/111:19 pm
SEA
- VLC
2 stops36h 16m
British Airways
Deal found 2/4![British Airways logo]()
$256
This Trip.com deal was found by Cheapflights users on 2/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/22:35 pm
SEA
- BCN
2 stops23h 30m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$261
This Trip.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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.
jue. 3/52:35 pm
SEA
- BCN
2 stops24h 24m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$266
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/37:30 am
SEA
- MAD
1 stop14h 20m
United Airlines
Deal found 2/2![United Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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.
mar. 3/32:35 pm
SEA
- BCN
2 stops33h 30m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$270
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/37:20 am
SEA
- MAD
1 stop17h 35m
Delta
Deal found 2/3![Delta logo]()
$271
This KLM deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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.
lun. 5/115:30 pm
SEA
- VLC
1 stop16h 35m
KLM
Deal found 2/4![KLM logo]()
$271
This Mytrip deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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.
dom. 3/83:00 pm
SEA
- BCN
2 stops23h 40m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$274
This Mytrip deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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.
mar. 4/283:40 pm
SEA
- BCN
2 stops21h 35m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$277
This oojo deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/98:20 pm
SEA
- AGP
1 stop28h 45m
British Airways
Deal found 2/4![British Airways logo]()
$278
This Expedia deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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.
mar. 5/1211:41 am
SEA
- VLC
2 stops26h 24m
Iberia
Deal found 2/4![Iberia logo]()
$282
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 febrero 6, 2026.
Round-trip from | $400 (oojo) |
|---|---|
One-way from | $249 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $579 |
Good round-trip deal | $883 or less |
Good one-way deal | $648 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 febrero 6, 2026.
Use the filters below to find and compare flights from Seattle to Spain that are best for you.
Fly from
Seattle
Fly to
Spain
Route
Depart
Return
Price
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
sáb. 4/25
3:40 pm-2:45 pm
1 stop14h 05m
Barcelona-El Prat
mié. 4/29
3:45 pm-8:40 pm
1 stop13h 55m
$453
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
jue. 4/23
3:40 pm-2:45 pm
1 stop14h 05m
Barcelona-El Prat
mié. 4/29
3:45 pm-8:40 pm
1 stop13h 55m
$453
SeattleMálaga
SEA - AGP
SEAAGP
Seattle/Tacoma Intl
jue. 3/5
2:00 pm-4:00 pm
1 stop17h 00m
Malaga
jue. 3/19
12:15 pm-2:20 pm
1 stop34h 05m
$458
SeattleBilbao
SEA - BIO
SEABIO
Seattle/Tacoma Intl
mié. 4/15
6:50 pm-11:25 pm
1 stop19h 35m
Bilbao
mié. 4/29
6:50 am-9:53 pm
2 stops24h 03m
$460
SeattlePalma de Mallorca
SEA - PMI
SEAPMI
Seattle/Tacoma Intl
dom. 4/12
6:50 pm-5:25 pm
1 stop13h 35m
Palma de Mallorca Son Sant Joan
vie. 4/24
11:05 am-4:59 pm
1 stop14h 54m
$460
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
lun. 4/13
2:24 pm-1:15 pm
1 stop13h 51m
Barcelona-El Prat
mar. 4/21
1:15 pm-4:37 pm
2 stops36h 22m
$472
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
mié. 4/22
6:50 pm-10:25 pm
1 stop18h 35m
Barcelona-El Prat
mar. 4/28
1:15 pm-4:41 pm
2 stops36h 26m
$476
SeattleValencia
SEA - VLC
SEAVLC
Seattle/Tacoma Intl
mié. 4/15
1:45 pm-7:55 pm
1 stop21h 10m
Valencia
mié. 4/22
9:45 am-4:30 pm
1 stop15h 45m
$477
SeattleMálaga
SEA - AGP
SEAAGP
Seattle/Tacoma Intl
mar. 3/3
3:05 pm-7:30 pm
1 stop19h 25m
Malaga
mié. 3/18
11:10 am-12:35 pm
1 stop33h 25m
$480
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
mié. 4/22
6:50 pm-10:25 pm
1 stop18h 35m
Barcelona-El Prat
mar. 4/28
6:40 am-12:20 pm
1 stop14h 40m
$485
Showing 1-10 of 60 results
Best time to book a flight from Seattle to Spain
Have a flexible travel schedule? Discover the best time to fly to Spain from Seattle with our price prediction graph.
SEA-AGP
SEA-BCN
SEA-PMI
SEA-BIO
SEA-MAD
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Spain
SEA-ES0
SEA-AGP
SEA-BCN
SEA-PMI
SEA-BIO
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 $842). 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 febrero 6, 2026.
Read reviews from past customers who have flown Delta, KLM, and Air France from Seattle to Spain. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Crew
8.5
Overall
7.9
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Crew
8.5
Overall
7.9
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Crew
8.5
Overall
7.9
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Crew
8.5
Overall
7.9
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Crew
8.5
Overall
7.9
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Crew
8.5
Overall
7.9
Comfort
7.9
Entertainment
7.8
Boarding
8.1
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 febrero 6, 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 febrero 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$360 | Average$1,209 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$367 | Average$585 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$425 | Average$913 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$440 | Average$554 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$471 | Average$873 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$476 | Average$812 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$477 | Average$733 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$481 | Average$851 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$481 | Average$848 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$484 | Average$926 | FlexibilityNo cancel fee | On-time76% |