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

Friday, October 16th, 2026

4 round-trip options

Returning
Thu, Oct 22, 20266 Day Trip
$792 USD
Returning
Fri, Oct 23, 20267 Day Trip
$792 USD
Returning
Mon, Oct 26, 202610 Day Trip
$842 USD
Returning
Thu, Oct 29, 202613 Day Trip
$792 USD