$262+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MAD
May 1 — May 81
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Seattle to Spain with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Spain
Cheapest
Best
Last-minute
One-way
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 April 1, 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 April 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 5/47:00 pm
SEA
- AGP
1 stop34h 45m
Icelandair
Wed 5/133:45 pm
AGP
- SEA
1 stop13h 55m
Icelandair
Deal found 3/31![Icelandair logo]()
$471
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/132:10 pm
SEA
- PMI
1 stop19h 20m
Lufthansa
Wed 4/298:50 am
PMI
- SEA
1 stop17h 09m
Lufthansa
Deal found 3/28![Lufthansa logo]()
$486
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/132:10 pm
SEA
- PMI
1 stop19h 20m
Multiple Airlines
Wed 4/299:40 am
PMI
- SEA
2 stops20h 17m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$489
This BusinessClass deal was found by Cheapflights users on 3/31. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:00 pm
SEA
- AGP
1 stop34h 45m
Icelandair
Wed 5/133:45 pm
AGP
- SEA
1 stop13h 55m
Icelandair
Deal found 3/31![Icelandair logo]()
$494
This Booking.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:40 am
SEA
- PMI
2 stops17h 50m
Multiple Airlines
Sat 9/51:10 pm
PMI
- SEA
2 stops18h 38m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$520
This Cheapflightsfares deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/202:10 pm
SEA
- AGP
2 stops18h 45m
Lufthansa
Mon 4/276:45 pm
AGP
- SEA
2 stops26h 35m
Lufthansa
Deal found 3/27![Lufthansa logo]()
$568
This Cheapflightsfares deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 10/86:05 pm
SEA
- BCN
1 stop19h 05m
Condor
Tue 10/1310:25 am
BCN
- SEA
1 stop14h 15m
Condor
Deal found 3/28![Condor logo]()
$569
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 8/303:55 pm
SEA
- BCN
1 stop17h 15m
Scandinavian Airlines
Mon 9/710:35 am
BCN
- SEA
1 stop36h 10m
Scandinavian Airlines
Deal found 3/30![Scandinavian Airlines logo]()
$572
This Expedia deal was found by Cheapflights users on 3/31. 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 10/75:40 pm
SEA
- BCN
1 stop13h 25m
Condor
Sun 10/1810:25 am
BCN
- SEA
1 stop14h 15m
Condor
Deal found 3/31![Condor logo]()
$573
This Cheapflightsfares deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:40 pm
SEA
- BCN
1 stop19h 30m
Condor
Wed 10/218:00 am
BCN
- SEA
1 stop16h 40m
Condor
Deal found 3/27![Condor logo]()
$574
This Justfly.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/32:35 pm
SEA
- AGP
1 stop14h 10m
Icelandair
Wed 11/112:45 pm
AGP
- SEA
1 stop35h 15m
Icelandair
Deal found 3/28![Icelandair logo]()
$583
This Booking.com deal was found by Cheapflights users on 3/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/303:55 pm
SEA
- PMI
1 stop32h 10m
Scandinavian Airlines
Fri 9/41:00 pm
PMI
- SEA
2 stops33h 45m
Scandinavian Airlines
Deal found 3/31![Scandinavian Airlines logo]()
$597
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 April 1, 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 April 1, 2026.
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/202:10 pm
SEA
- PMI
1 stop16h 05m
United Airlines
Mon 5/411:25 am
PMI
- SEA
2 stops42h 41m
United Airlines
Deal found 3/27![United Airlines logo]()
$604
This oojo deal was found by Cheapflights users on 4/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/253:55 pm
SEA
- PMI
1 stop32h 10m
Scandinavian Airlines
Sat 9/52:15 pm
PMI
- SEA
1 stop32h 30m
Scandinavian Airlines
Deal found 4/1![Scandinavian Airlines logo]()
$612
This Kiwi.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 5/16:50 pm
SEA
- PMI
1 stop16h 35m
Lufthansa
Thu 5/76:30 pm
PMI
- SEA
1 stop31h 29m
Lufthansa
Deal found 3/27![Lufthansa logo]()
$695
This British Airways deal was found by Cheapflights users on 3/31. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/271:30 pm
SEA
- PMI
1 stop15h 10m
British Airways
Wed 9/306:55 pm
PMI
- SEA
1 stop32h 30m
British Airways
Deal found 3/31![British Airways logo]()
$731
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 4/137:00 pm
SEA
- ALC
1 stop18h 55m
Multiple Airlines
Tue 4/219:50 pm
ALC
- SEA
2 stops49h 29m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$825
This Delta deal was found by Cheapflights users on 3/31. 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.
Sun 5/35:35 pm
SEA
- AGP
1 stop14h 00m
Delta
Fri 5/155:55 am
AGP
- SEA
1 stop20h 44m
Delta
Deal found 3/31![Delta logo]()
$826
This SWISS deal was found by Cheapflights users on 3/31. 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.
Tue 4/2810:48 am
SEA
- ALC
2 stops40h 12m
SWISS
Mon 5/412:35 pm
ALC
- SEA
2 stops43h 12m
SWISS
Deal found 3/31![SWISS logo]()
$843
This KLM deal was found by Cheapflights users on 3/31. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/205:40 pm
SEA
- ALC
1 stop17h 25m
KLM
Tue 5/263:20 pm
ALC
- SEA
1 stop34h 10m
KLM
Deal found 3/31![KLM logo]()
$850
This Turkish Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2212:35 pm
SEA
- MAD
1 stop36h 50m
Turkish Airlines
Mon 8/3112:00 pm
MAD
- SEA
2 stops41h 43m
Turkish Airlines
Deal found 3/27![Turkish Airlines logo]()
$916
This Virgin Atlantic deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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.
Mon 4/276:00 am
SEA
- MAD
2 stops18h 55m
Virgin Atlantic
Wed 5/1312:45 pm
MAD
- SEA
2 stops19h 59m
Virgin Atlantic
Deal found 3/29![Virgin Atlantic logo]()
$921
This Expedia deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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.
Tue 5/121:30 pm
SEA
- GRX
2 stops24h 15m
Iberia
Tue 5/199:40 pm
GRX
- SEA
2 stops22h 55m
Iberia
Deal found 3/28![Iberia logo]()
$1,084
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/272:10 pm
SEA
- PMI
1 stop16h 10m
United Airlines
Tue 10/1310:00 am
PMI
- SEA
1 stop18h 36m
United Airlines
Deal found 3/27![United Airlines logo]()
$615
This CheapOair deal was found by Cheapflights users on 3/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/253:55 pm
SEA
- ALC
1 stop33h 45m
Scandinavian Airlines
Mon 8/3111:55 am
ALC
- SEA
2 stops34h 50m
Scandinavian Airlines
Deal found 3/31![Scandinavian Airlines logo]()
$615
This American Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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.
Fri 4/106:00 am
SEA
- XRY
2 stops22h 15m
American Airlines
Sun 5/31:45 pm
XRY
- SEA
2 stops19h 59m
American Airlines
Deal found 3/29![American Airlines logo]()
$1,245
This Scandinavian Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 9/63:55 pm
SEA
- BCN
1 stop17h 15m
Scandinavian Airlines
Thu 9/107:00 pm
BCN
- SEA
1 stop27h 45m
Scandinavian Airlines
Deal found 3/27![Scandinavian Airlines logo]()
$649
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/252:10 pm
SEA
- PMI
1 stop32h 55m
United Airlines
Tue 10/1310:00 am
PMI
- SEA
1 stop18h 36m
United Airlines
Deal found 3/27![United Airlines logo]()
$654
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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.
Wed 8/1911:05 am
SEA
- PMI
2 stops19h 15m
United Airlines
Sat 9/51:10 pm
PMI
- SEA
3 stops33h 04m
United Airlines
Deal found 3/27![United Airlines logo]()
$678
This Delta deal was found by Cheapflights users on 3/30. 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.
Sun 4/264:36 pm
SEA
- VLC
2 stops21h 24m
Delta
Wed 5/136:35 am
VLC
- SEA
2 stops20h 45m
Delta
Deal found 3/30![Delta logo]()
$835
This Scandinavian Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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
- PMI
1 stop32h 10m
Scandinavian Airlines
Wed 9/309:55 am
PMI
- SEA
2 stops55h 30m
Scandinavian Airlines
Deal found 3/27![Scandinavian Airlines logo]()
$691
This Lufthansa deal was found by Cheapflights users on 3/31. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:00 am
SEA
- ALC
2 stops24h 25m
Lufthansa
Mon 5/45:40 pm
ALC
- SEA
1 stop27h 40m
Lufthansa
Deal found 3/31![Lufthansa logo]()
$844
This Condor deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 5/76:05 pm
SEA
- BCN
1 stop19h 05m
Multiple Airlines
Tue 5/198:00 am
BCN
- SEA
2 stops20h 59m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$850
This KLM deal was found by Cheapflights users on 3/31. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:35 pm
SEA
- BIO
1 stop20h 10m
KLM
Fri 5/2212:00 pm
BIO
- SEA
1 stop13h 30m
KLM
Deal found 3/31![KLM logo]()
$870
This Turkish Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/911:39 am
SEA
- VLC
2 stops45h 16m
Turkish Airlines
Sat 5/166:55 pm
VLC
- SEA
1 stop31h 20m
Turkish Airlines
Deal found 3/27![Turkish Airlines logo]()
$916
This SWISS deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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.
Mon 5/1110:45 am
SEA
- ALC
2 stops23h 25m
SWISS
Mon 5/1812:35 pm
ALC
- SEA
2 stops43h 12m
SWISS
Deal found 3/27![SWISS logo]()
$919
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 5/1112:40 pm
SEA
- AGP
2 stops21h 00m
Delta
Mon 5/185:25 pm
AGP
- SEA
1 stop27h 17m
Delta
Deal found 3/27![Delta logo]()
$852
This United Airlines deal was found by Cheapflights users on 3/31. 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 5/47:25 am
SEA
- AGP
1 stop15h 10m
United Airlines
Wed 5/139:35 am
AGP
- SEA
2 stops20h 31m
United Airlines
Deal found 3/31![United Airlines logo]()
$730
This Kiwi.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:00 pm
SEA
- ALC
1 stop18h 55m
Multiple Airlines
Sun 5/1712:10 am
ALC
- SEA
2 stops51h 25m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$891
This Scandinavian Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:55 pm
SEA
- MAD
1 stop35h 05m
Scandinavian Airlines
Mon 8/3112:50 pm
MAD
- SEA
1 stop33h 55m
Scandinavian Airlines
Deal found 3/29![Scandinavian Airlines logo]()
$740
This KLM deal was found by Cheapflights users on 3/31. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:45 pm
SEA
- VLC
1 stop30h 05m
KLM
Mon 8/1711:10 pm
VLC
- SEA
1 stop21h 27m
KLM
Deal found 3/31![KLM logo]()
$911
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 9/157:20 am
SEA
- SVQ
2 stops24h 10m
Delta
Wed 10/77:30 am
SVQ
- SEA
2 stops23h 34m
Delta
Deal found 3/27![Delta logo]()
$858
Last-minute flights from Seattle to SpainDiscover last-minute flight deals from Seattle to Spain. Data last updated April 1, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Spain. Data last updated April 1, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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.
Thu 4/92:10 pm
SEA
- PMI
1 stop16h 00m
Lufthansa
Mon 4/208:05 pm
PMI
- SEA
2 stops25h 15m
Lufthansa
Deal found 3/28![Lufthansa logo]()
$626
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/132:10 pm
SEA
- PMI
1 stop19h 20m
Lufthansa
Wed 4/298:50 am
PMI
- SEA
1 stop17h 09m
Lufthansa
Deal found 3/28![Lufthansa logo]()
$486
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/132:10 pm
SEA
- PMI
1 stop19h 20m
Multiple Airlines
Wed 4/299:40 am
PMI
- SEA
2 stops20h 17m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$489
This Rumbo deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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.
Mon 4/137:00 am
SEA
- PMI
2 stops19h 55m
SWISS
Wed 4/296:20 pm
PMI
- SEA
2 stops38h 09m
SWISS
Deal found 3/28![SWISS logo]()
$627
This Cheapflightsfares deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/202:10 pm
SEA
- AGP
2 stops18h 45m
Lufthansa
Mon 4/276:45 pm
AGP
- SEA
2 stops26h 35m
Lufthansa
Deal found 3/27![Lufthansa logo]()
$568
This United Airlines deal was found by Cheapflights users on 3/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2011:35 am
SEA
- PMI
2 stops18h 40m
United Airlines
Mon 5/411:25 am
PMI
- SEA
2 stops22h 47m
United Airlines
Deal found 3/30![United Airlines logo]()
$602
This FlightHub deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 4/202:10 pm
SEA
- AGP
1 stop17h 40m
Multiple Airlines
Mon 4/277:50 pm
AGP
- SEA
2 stops34h 03m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$664
This Justfly.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:10 pm
SEA
- MAD
1 stop30h 15m
Turkish Airlines
Wed 5/207:40 am
MAD
- SEA
1 stop18h 35m
Turkish Airlines
Deal found 3/27![Turkish Airlines logo]()
$641
This United Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/267:00 am
SEA
- PMI
2 stops18h 35m
United Airlines
Sun 5/34:05 pm
PMI
- SEA
2 stops42h 07m
United Airlines
Deal found 3/29![United Airlines logo]()
$623
This FlightHub deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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.
Sun 4/267:10 pm
SEA
- VLC
1 stop29h 45m
Turkish Airlines
Wed 5/136:55 pm
VLC
- SEA
1 stop31h 20m
Turkish Airlines
Deal found 3/28![Turkish Airlines logo]()
$626
This Gotogate deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 4/277:10 pm
SEA
- MAD
1 stop33h 25m
Turkish Airlines
Wed 5/132:40 pm
MAD
- SEA
1 stop35h 35m
Turkish Airlines
Deal found 3/27![Turkish Airlines logo]()
$655
This BusinessClass deal was found by Cheapflights users on 3/31. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:00 pm
SEA
- AGP
1 stop34h 45m
Icelandair
Wed 5/133:45 pm
AGP
- SEA
1 stop13h 55m
Icelandair
Deal found 3/31![Icelandair logo]()
$494
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 April 1, 2026.
Search for one-way flight options from Seattle to Spain. Find affordable one-way fares based on user searches. Data last updated April 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 4/267:00 pm
SEA
- MAD
3 stops39h 25m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/273:40 pm
SEA
- MAD
3 stops38h 55m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/263:40 pm
SEA
- AGP
3 stops47h 19m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/273:40 pm
SEA
- AGP
3 stops44h 25m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/253:40 pm
SEA
- MAD
3 stops41h 55m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/253:40 pm
SEA
- SVQ
3 stops45h 30m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/263:40 pm
SEA
- BIO
3 stops43h 35m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
Sun 5/37:00 pm
SEA
- MAD
3 stops40h 50m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 5/145:40 pm
SEA
- MAD
3 stops42h 20m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$302
This eDestinos deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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.
Sat 5/27:00 pm
SEA
- MAD
2 stops39h 15m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 5/287:00 pm
SEA
- AGP
2 stops44h 15m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/297:00 pm
SEA
- MAD
3 stops29h 25m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$322
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 April 1, 2026.
Round-trip from | $471 (Kiwi.com) |
|---|---|
One-way from | $262 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $751 |
Good round-trip deal | $1,050 or less |
Good one-way deal | $734 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 April 1, 2026.
Use the filters below to find and compare flights from Seattle to Spain that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattlePalma de Mallorca
SEA - PMI
SEAPMI
Seattle/Tacoma Intl
Mon 4/20
2:10 pm-3:15 pm
1 stop16h 05m
Palma de Mallorca Son Sant Joan
Mon 5/4
11:25 am-9:06 pm
2 stops42h 41m
$604
SeattlePalma de Mallorca
SEA - PMI
SEAPMI
Seattle/Tacoma Intl
Tue 8/25
3:55 pm-9:05 am
1 stop32h 10m
Palma de Mallorca Son Sant Joan
Sat 9/5
2:15 pm-1:45 pm
1 stop32h 30m
$612
SeattlePalma de Mallorca
SEA - PMI
SEAPMI
Seattle/Tacoma Intl
Sun 9/27
2:10 pm-3:20 pm
1 stop16h 10m
Palma de Mallorca Son Sant Joan
Tue 10/13
10:00 am-7:36 pm
1 stop18h 36m
$615
SeattleAlicante
SEA - ALC
SEAALC
Seattle/Tacoma Intl
Tue 8/25
3:55 pm-10:40 am
1 stop33h 45m
Alicante
Mon 8/31
11:55 am-1:45 pm
2 stops34h 50m
$615
SeattleBarcelona
SEA - BCN
SEABCN
Seattle/Tacoma Intl
Sun 9/6
3:55 pm-6:10 pm
1 stop17h 15m
Barcelona-El Prat
Thu 9/10
7:00 pm-1:45 pm
1 stop27h 45m
$649
SeattlePalma de Mallorca
SEA - PMI
SEAPMI
Seattle/Tacoma Intl
Fri 9/25
2:10 pm-8:05 am
1 stop32h 55m
Palma de Mallorca Son Sant Joan
Tue 10/13
10:00 am-7:36 pm
1 stop18h 36m
$654
SeattlePalma de Mallorca
SEA - PMI
SEAPMI
Seattle/Tacoma Intl
Wed 8/19
11:05 am-3:20 pm
2 stops19h 15m
Palma de Mallorca Son Sant Joan
Sat 9/5
1:10 pm-1:14 pm
3 stops33h 04m
$678
SeattlePalma de Mallorca
SEA - PMI
SEAPMI
Seattle/Tacoma Intl
Sun 9/27
3:55 pm-9:05 am
1 stop32h 10m
Palma de Mallorca Son Sant Joan
Wed 9/30
9:55 am-8:25 am
2 stops55h 30m
$691
SeattlePalma de Mallorca
SEA - PMI
SEAPMI
Seattle/Tacoma Intl
Fri 5/1
6:50 pm-8:25 pm
1 stop16h 35m
Palma de Mallorca Son Sant Joan
Thu 5/7
6:30 pm-4:59 pm
1 stop31h 29m
$695
SeattleMálaga
SEA - AGP
SEAAGP
Seattle/Tacoma Intl
Mon 5/4
7:25 am-7:35 am
1 stop15h 10m
Malaga
Wed 5/13
9:35 am-9:06 pm
2 stops20h 31m
$730
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-VLC
SEA-MAD
SEA-BIO
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-VLC
SEA-MAD
What is the cheapest month to book a flight from Seattle to Spain?
Currently, January is the cheapest month in which you can book a flight from Seattle to Spain (average of $353). Flying from Seattle to Spain in June is currently the most expensive (average of $755). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How often are flights from Seattle to Spain delayed?
About 0% of weekly flights between Seattle and Spain have experienced delays in the past year, with the average delay time being 0 minutes.
What is the most punctual flight time for Seattle to Spain flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Friday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Reviews of airlines servicing Spain
Get insights into the airlines that provide service to Spain. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Spain. Reviews last updated April 1, 2026.
Read reviews from past customers who have flown Delta,Air France, andIcelandair from Seattle to Spain. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.9
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.9
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.9
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.9
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.9
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.9
Overall
7.9
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Top regions
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 April 1, 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 April 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$123 | Average$1,152 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$367 | Average$554 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$438 | Average$809 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$439 | Average$712 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$440 | Average$561 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$471 | Average$795 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$476 | Average$804 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$478 | Average$925 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$478 | Average$732 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$480 | Average$805 | FlexibilityNo cancel fee | On-time70% |