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

Saturday, August 1st, 2026

3 round-trip options

Returning
Sat, Aug 8, 20267 Day Trip
$1,277 USD
Returning
Thu, Aug 13, 202612 Day Trip
$1,234 USD
Returning
Sat, Aug 15, 202614 Day Trip
$1,408 USD