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

Wednesday, August 5th, 2026

3 round-trip options

Returning
Wed, Aug 12, 20267 Day Trip
$1,157 USD
Returning
Mon, Aug 17, 202612 Day Trip
$1,173 USD
Returning
Wed, Aug 19, 202614 Day Trip
$1,032 USD