Seattle / Tacoma (SEA) to Brussels (BRU) flight deal in economy from $713

Sunday, June 28th, 2026

3 round-trip options

Returning
Sat, Jul 4, 20266 Day Trip
$1,513 USD
Returning
Sun, Jul 5, 20267 Day Trip
$1,247 USD
Returning
Fri, Jul 10, 202612 Day Trip
$1,177 USD