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

Thursday, August 6th, 2026

3 round-trip options

Returning
Thu, Aug 13, 20267 Day Trip
$1,258 USD
Returning
Tue, Aug 18, 202612 Day Trip
$1,121 USD
Returning
Thu, Aug 20, 202614 Day Trip
$1,082 USD