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

Thursday, August 20th, 2026

3 round-trip options

Returning
Thu, Aug 27, 20267 Day Trip
$1,153 USD
Returning
Tue, Sep 1, 202612 Day Trip
$1,153 USD
Returning
Thu, Sep 3, 202614 Day Trip
$1,153 USD