Aer Lingus Flights from Seattle to Belgium from $580.52*

Deals on flights from Seattle to Belgium*

$

* Fares displayed include air transportation charges, taxes and fees. Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Fares are economy class and may include connections with our partner airlines. Modifying this information may result in a different fare. Additional baggage fees and charges for optional products and services may apply.

Aer Lingus Plane Image

Book Seattle to Belgium flight deals*

Fly to the political heartland of Europe with a vacation to Belgium. Flying into Brussels you can explore the capital of the EU as well as soak up the beauty of the old town. While in Belgium, visit the indescribably charming cities of Bruges or Ghent, and taste the delicious, sweet treats Belgium is famous for.

Email Sign Up
Aer Lingus Newsletter
Sign Up and Save

Be first to receive current offers

Learn about new and exciting destinations

Get the latest travel news and more

Best Deals for Seattle to Belgium*

$
Best Deals for Seattle to Belgium*
From
To
Fare Type
Dates
Price
FromSeattle (SEA)ToBrussels (BRU)Roundtrip*
/
Economy
Aug 17 2025 - Aug 28 2025

From

$601.39*

Seen: 5 hrs ago

* Fares displayed include air transportation charges, taxes and fees. Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Fares are economy class and may include connections with our partner airlines. Modifying this information may result in a different fare. Additional baggage fees and charges for optional products and services may apply.