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

Friday, December 18th, 2026

7 round-trip options

Returning
Wed, Dec 23, 2026•5 Day Trip
$1,230 USD
Google Flights
Returning
Fri, Dec 25, 2026•7 Day Trip
$1,256 USD
Google Flights
Returning
Sat, Dec 26, 2026•8 Day Trip
$1,308 USD
Google Flights
Returning
Sun, Dec 27, 2026•9 Day Trip
$1,345 USD
Google Flights
Returning
Mon, Dec 28, 2026•10 Day Trip
$1,345 USD
Google Flights
Returning
Wed, Dec 30, 2026•12 Day Trip
$1,285 USD
Google Flights
Returning
Thu, Dec 31, 2026•13 Day Trip
$1,369 USD
Google Flights