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

Saturday, August 15th, 2026

3 round-trip options

Returning
Sat, Aug 22, 20267 Day Trip
$1,134 USD
Returning
Thu, Aug 27, 202612 Day Trip
$1,074 USD
Returning
Sat, Aug 29, 202614 Day Trip
$1,134 USD