Flight prices from Seattle Lake Union to Brussels Charleroi

There’s no fixed price — fares between Seattle and Brussels can vary a lot by day or time.

Choose a date to explore the best fares now.

The lowest fares are often found with some flexibility in travel dates. If your plans are flexible, you’ll have a better chance of finding cheap flights.

Which airports serve Seattle and Brussels?

When planning a trip of about 7981 km, it's a good idea to check flights from surrounding airports too.

• Airports in Seattle: Seattle is connected to 2 airports - Boeing Field, Lake Union.
• Airports in Brussels: The only active airport in Brussels is Brussels - Charleroi.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Adjust your flight filters for Seattle Lake Union – Brussels Charleroi

Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from the best travel agencies and carriers.

Other popular destinations

Planning a trip to Belgium? These cities are popular too: Antwerp, Brussels, Liege, Ostend.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.