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

Thursday, August 13th, 2026

3 round-trip options

Returning
Thu, Aug 20, 20267 Day Trip
$1,076 USD
Returning
Tue, Aug 25, 202612 Day Trip
$1,074 USD
Returning
Thu, Aug 27, 202614 Day Trip
$1,074 USD