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

Tuesday, September 29th, 2026

4 round-trip options

Returning
Sun, Oct 4, 20265 Day Trip
$834 USD
Returning
Thu, Oct 8, 20269 Day Trip
$782 USD
Returning
Sat, Oct 10, 202611 Day Trip
$834 USD
Returning
Sun, Oct 11, 202612 Day Trip
$834 USD