Cheap flights from Seattle, WA to Brussels, Belgium
Flights starting at $452. Choose between Alaska Airlines, WestJet, or Wizz Air Malta to find the best price.
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Tips to know when travelling to Brussels
Cheapest one-way trip | $529 |
---|---|
Cheapest round-trip | $889 |
Average round-trip | $1,252 |
Includes rare itinerary | |
Most popular airline | Alaska Airlines |
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Travelers usually depart from Seattle–Tacoma International, or Kenmore Air Harbor Seaplane Base when they travel from Seattle to Brussels. Book your trip to arrive at Brussels, Brussels South Charleroi, or Antwerp International. The most popular airlines for this route are Alaska Airlines, WestJet, Wizz Air Malta, Brussels Airlines, and easyJet. Seattle and Brussels have 375 direct flights per week. When you arrive at Brussels, consider visiting La Grand-Place, Brussels, Voorne-Putten, Van Gogh Museum, Rijksmuseum, Andaz Amsterdam Prinsengracht, Anne Frank Huis, Windmill Complex at Kinderdijk, and IJsselmonde.
Check-in for a flight from Seattle to Brussels
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
WestJet | WJA | WS | No | Opens 24 days before flight Closes 1 hours before flight |
Wizz Air Malta | WMT | W4 | No | Opens 24 days before flight Closes 3 hours before flight |
Brussels Airlines | BEL | SN | No | Opens 24 days before flight Closes 1 hours before flight |
easyJet | EZY | U2 | No | Opens 720 days before flight Closes 2 hours before flight |
Weather in Brussels
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 5°C | 1°C |
February | 7°C | 1°C |
March | 11°C | 3°C |
April | 14°C | 5°C |
May | 17°C | 8°C |
June | 21°C | 12°C |
July | 23°C | 14°C |
August | 23°C | 14°C |
September | 20°C | 11°C |
October | 15°C | 9°C |
November | 10°C | 5°C |
December | 6°C | 2°C |
14 day forecast
Frequently asked questions
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