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

Saturday, October 10th, 2026

4 round-trip options

Returning
Fri, Oct 16, 20266 Day Trip
$827 USD
Returning
Sat, Oct 17, 20267 Day Trip
$827 USD
Returning
Tue, Oct 20, 202610 Day Trip
$792 USD
Returning
Fri, Oct 23, 202613 Day Trip
$792 USD