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

Thursday, October 8th, 2026

4 round-trip options

Returning
Wed, Oct 14, 20266 Day Trip
$792 USD
Returning
Thu, Oct 15, 20267 Day Trip
$792 USD
Returning
Sun, Oct 18, 202610 Day Trip
$827 USD
Returning
Wed, Oct 21, 202613 Day Trip
$792 USD