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

Air CanadaACAir CanadaLufthansaLHLufthansaSwiss International Air LinesLXSwiss International Air LinesAustrian AirlinesOSAustrian AirlinesUnited AirlinesUAUnited Airlines
Round Trip•Economy
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
BelgiumBRU

Brussels Airport (Zaventem Airport)

Brussels, Belgium
$845 USD
-16%$713 USD
Verified 1 day ago
Good Availability
52% of dates checked are available within 10% of the lowest price

Monday, August 24th, 2026

4 round-trip options

Returning
Sat, Aug 29, 2026•5 Day Trip
$1,383 USD
Google Flights
Returning
Wed, Sep 2, 2026•9 Day Trip
$890 USD
Google Flights
Returning
Fri, Sep 4, 2026•11 Day Trip
$890 USD
Google Flights
Returning
Sat, Sep 5, 2026•12 Day Trip
$865 USD
Google Flights