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

Saturday, August 8th, 2026

3 round-trip options

Returning
Sat, Aug 15, 20267 Day Trip
$1,352 USD
Returning
Thu, Aug 20, 202612 Day Trip
$1,082 USD
Returning
Sat, Aug 22, 202614 Day Trip
$1,142 USD