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

Monday, December 21st, 2026

7 round-trip options

Returning
Sat, Dec 26, 2026•5 Day Trip
$1,107 USD
Google Flights
Returning
Mon, Dec 28, 2026•7 Day Trip
$971 USD
Google Flights
Returning
Tue, Dec 29, 2026•8 Day Trip
$911 USD
Google Flights
Returning
Wed, Dec 30, 2026•9 Day Trip
$911 USD
Google Flights
Returning
Thu, Dec 31, 2026•10 Day Trip
$1,046 USD
Google Flights
Returning
Sat, Jan 2, 2027•12 Day Trip
$1,116 USD
Google Flights
Returning
Sun, Jan 3, 2027•13 Day Trip
$1,135 USD
Google Flights