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

Wednesday, October 28th, 2026

4 round-trip options

Returning
Tue, Nov 3, 20266 Day Trip
$772 USD
Returning
Wed, Nov 4, 20267 Day Trip
$772 USD
Returning
Sat, Nov 7, 202610 Day Trip
$792 USD
Returning
Tue, Nov 10, 202613 Day Trip
$742 USD