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

Thursday, October 29th, 2026

4 round-trip options

Returning
Wed, Nov 4, 20266 Day Trip
$822 USD
Returning
Thu, Nov 5, 20267 Day Trip
$780 USD
Returning
Sun, Nov 8, 202610 Day Trip
$842 USD
Returning
Wed, Nov 11, 202613 Day Trip
$792 USD