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

Tuesday, December 22nd, 2026

7 round-trip options

Returning
Sun, Dec 27, 2026•5 Day Trip
$971 USD
Google Flights
Returning
Tue, Dec 29, 2026•7 Day Trip
$911 USD
Google Flights
Returning
Wed, Dec 30, 2026•8 Day Trip
$911 USD
Google Flights
Returning
Thu, Dec 31, 2026•9 Day Trip
$1,046 USD
Google Flights
Returning
Fri, Jan 1, 2027•10 Day Trip
$1,046 USD
Google Flights
Returning
Sun, Jan 3, 2027•12 Day Trip
$1,137 USD
Google Flights
Returning
Mon, Jan 4, 2027•13 Day Trip
$1,116 USD
Google Flights