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

Friday, October 23rd, 2026

4 round-trip options

Returning
Thu, Oct 29, 20266 Day Trip
$792 USD
Returning
Fri, Oct 30, 20267 Day Trip
$792 USD
Returning
Mon, Nov 2, 202610 Day Trip
$830 USD
Returning
Thu, Nov 5, 202613 Day Trip
$822 USD