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

Tuesday, October 20th, 2026

4 round-trip options

Returning
Mon, Oct 26, 20266 Day Trip
$792 USD
Returning
Tue, Oct 27, 20267 Day Trip
$742 USD
Returning
Fri, Oct 30, 202610 Day Trip
$742 USD
Returning
Mon, Nov 2, 202613 Day Trip
$782 USD