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

Monday, October 26th, 2026

4 round-trip options

Returning
Sun, Nov 1, 20266 Day Trip
$832 USD
Returning
Mon, Nov 2, 20267 Day Trip
$774 USD
Returning
Thu, Nov 5, 202610 Day Trip
$772 USD
Returning
Sun, Nov 8, 202613 Day Trip
$792 USD