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

Monday, August 17th, 2026

3 round-trip options

Returning
Mon, Aug 24, 20267 Day Trip
$1,026 USD
Returning
Sat, Aug 29, 202612 Day Trip
$1,084 USD
Returning
Mon, Aug 31, 202614 Day Trip
$1,084 USD