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 about 21 hours ago
Good Availability
52% of dates checked are available within 10% of the lowest price

Thursday, December 10th, 2026

7 round-trip options

Returning
Tue, Dec 15, 2026•5 Day Trip
$727 USD
Google Flights
Returning
Thu, Dec 17, 2026•7 Day Trip
$731 USD
Google Flights
Returning
Fri, Dec 18, 2026•8 Day Trip
$732 USD
Google Flights
Returning
Sat, Dec 19, 2026•9 Day Trip
$811 USD
Google Flights
Returning
Sun, Dec 20, 2026•10 Day Trip
$831 USD
Google Flights
Returning
Tue, Dec 22, 2026•12 Day Trip
$734 USD
Google Flights
Returning
Wed, Dec 23, 2026•13 Day Trip
$732 USD
Google Flights