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

Wednesday, August 19th, 2026

3 round-trip options

Returning
Wed, Aug 26, 20267 Day Trip
$1,024 USD
Returning
Mon, Aug 31, 202612 Day Trip
$1,084 USD
Returning
Wed, Sep 2, 202614 Day Trip
$1,024 USD