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

Tuesday, October 6th, 2026

4 round-trip options

Returning
Mon, Oct 12, 20266 Day Trip
$792 USD
Returning
Tue, Oct 13, 20267 Day Trip
$742 USD
Returning
Fri, Oct 16, 202610 Day Trip
$742 USD
Returning
Mon, Oct 19, 202613 Day Trip
$732 USD