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

Wednesday, October 7th, 2026

4 round-trip options

Returning
Tue, Oct 13, 20266 Day Trip
$742 USD
Returning
Wed, Oct 14, 20267 Day Trip
$742 USD
Returning
Sat, Oct 17, 202610 Day Trip
$780 USD
Returning
Tue, Oct 20, 202613 Day Trip
$742 USD