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

Friday, August 14th, 2026

3 round-trip options

Returning
Fri, Aug 21, 20267 Day Trip
$1,074 USD
Returning
Wed, Aug 26, 202612 Day Trip
$1,074 USD
Returning
Fri, Aug 28, 202614 Day Trip
$1,074 USD