SEA to MAD from $373 in economy – flightdeals.net

Home Premium Fare Deals About

British Airways

BABritish Airways

One Way•Economy

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

Madrid-Barajas Airport

$489 USD

-24%$373 USD

Verified about 4 hours ago

December 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$373 1$373 2$373 3$423 4$423 5$423 6$373 7$381 8$373 9$373 10$423 11$538 12$423 13$373 14$429 15$429 16$429 17$615 18$854 19$615 20$545 21$545 22$545 23$545 24$423 25$667 26$667 27$373 28$617 29$373 30$373 31$423 1$431 2$423 3$390

Fair Availability

33% of dates checked are available within 10% of the lowest price

Wednesday, December 23rd, 2026

Outbound Flights

·

→

·

→

·

→