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

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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 6 hours ago

September 2026

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31$815 1$749 2$749 3$489 4$515 5$489 6$429 7$455 8$429 9$437 10$497 11$489 12$489 13$429 14$437 15$429 16$429 17$431 18$505 19$423 20$373 21$455 22$373 23$381 24$423 25$423 26$423 27$373 28$373 29$373 30$373 1$423 2$423 3$423 4$373

Fair Availability

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

Tuesday, September 1st, 2026

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