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

Saturday, August 22nd, 2026

3 round-trip options

Returning
Sat, Aug 29, 20267 Day Trip
$1,213 USD
Returning
Thu, Sep 3, 202612 Day Trip
$1,153 USD
Returning
Sat, Sep 5, 202614 Day Trip
$1,134 USD