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

Saturday, October 17th, 2026

4 round-trip options

Returning
Fri, Oct 23, 20266 Day Trip
$1,178 USD
Returning
Sat, Oct 24, 20267 Day Trip
$842 USD
Returning
Tue, Oct 27, 202610 Day Trip
$792 USD
Returning
Fri, Oct 30, 202613 Day Trip
$792 USD