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

Wednesday, September 30th, 2026

4 round-trip options

Returning
Mon, Oct 5, 20265 Day Trip
$780 USD
Returning
Fri, Oct 9, 20269 Day Trip
$782 USD
Returning
Sun, Oct 11, 202611 Day Trip
$842 USD
Returning
Mon, Oct 12, 202612 Day Trip
$800 USD