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

Saturday, October 24th, 2026

4 round-trip options

Returning
Fri, Oct 30, 20266 Day Trip
$887 USD
Returning
Sat, Oct 31, 20267 Day Trip
$842 USD
Returning
Tue, Nov 3, 202610 Day Trip
$822 USD
Returning
Fri, Nov 6, 202613 Day Trip
$792 USD