Seattle / Tacoma (SEA) to Madrid (MAD) flight deal in economy from $732

Sunday, August 2nd, 2026

3 round-trip options

Returning
Sun, Aug 9, 20267 Day Trip
$1,227 USD
Returning
Fri, Aug 14, 202612 Day Trip
$1,391 USD
Returning
Sun, Aug 16, 202614 Day Trip
$1,243 USD