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

Tuesday, December 8th, 2026

7 round-trip options

Returning
Sun, Dec 13, 2026•5 Day Trip
$723 USD
Google Flights
Returning
Tue, Dec 15, 2026•7 Day Trip
$713 USD
Google Flights
Returning
Wed, Dec 16, 2026•8 Day Trip
$717 USD
Google Flights
Returning
Thu, Dec 17, 2026•9 Day Trip
$717 USD
Google Flights
Returning
Fri, Dec 18, 2026•10 Day Trip
$718 USD
Google Flights
Returning
Sun, Dec 20, 2026•12 Day Trip
$763 USD
Google Flights
Returning
Mon, Dec 21, 2026•13 Day Trip
$726 USD
Google Flights