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

Monday, August 3rd, 2026

3 round-trip options

Returning
Mon, Aug 10, 20267 Day Trip
$1,227 USD
Returning
Sat, Aug 15, 202612 Day Trip
$1,320 USD
Returning
Mon, Aug 17, 202614 Day Trip
$1,250 USD