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

Fair Availability
38% of dates checked are available within 10% of the lowest price

Friday, July 31st, 2026

3 round-trip options

Returning
Fri, Aug 7, 20267 Day Trip
$1,207 USD
Returning
Wed, Aug 12, 202612 Day Trip
$1,207 USD
Returning
Fri, Aug 14, 202614 Day Trip
$1,368 USD