Cheap flights from Seattle, WA to Brussels, Belgium
Flights starting at £258. Choose between Alaska Airlines, Norse Atlantic Airways, or Wizz Air Malta to find the best price.
Make your travel wishlist, we'll do the rest
Hidden deals
Kiwi-Code uncovers prices airlines don't want you to see.
Effortless booking
Use our flexible filters to tailor your search.
Travel hacking
Look out for the travel hack star icon for even cheaper fares.
Tips to know when travelling to Brussels
Cheapest one-way trip | £333 |
---|---|
Cheapest round-trip | £801 |
Average round-trip | £1,106 |
Includes rare itinerary | |
Most popular airline | Alaska Airlines |
Receive exclusive deals by email
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
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, Norse Atlantic Airways, Wizz Air Malta, WestJet, and Icelandair. Seattle and Brussels have 398 direct flights per week. When you arrive at Brussels, consider visiting Voorne-Putten, La Grand-Place, Brussels, Van Gogh Museum, Rijksmuseum, Anne Frank Huis, Andaz Amsterdam Prinsengracht, 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 |
Norse Atlantic Airways | NBT | N0 | No | Opens 24 days before flight Closes 2 hours before flight |
Wizz Air Malta | WMT | W4 | No | Opens 24 days before flight Closes 3 hours before flight |
WestJet | WJA | WS | No | Opens 24 days before flight Closes 1 hours before flight |
Icelandair | ICE | FI | Yes | Opens 24 days before flight Closes 1 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
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative trips
Flights from Seattle
- Flights from Seattle to London
- Flights from Seattle to Las Vegas
- Flights from Seattle to Denver
- Flights from Seattle to Phoenix
- Flights from Seattle to Dublin
- Flights from Seattle to Melbourne
- Flights from Seattle to Orlando
- Flights from Seattle to Salt Lake City
- Flights from Seattle to San Jose
- Flights from Seattle to Vancouver
- Flights from Seattle to Manchester
- Flights from Seattle to Edinburgh
- Flights from Seattle to San Francisco
- Flights from Seattle to Philadelphia
- Flights from Seattle to Dallas
- Flights from Seattle to Washington, D.C.
- Flights from Seattle to New York
- Flights from Seattle to Atlanta
- Flights from Seattle to Los Angeles
- Flights from Seattle to Rome
Flights to Brussels
- Flights from London to Brussels
- Flights from Manchester to Brussels
- Flights from Athens to Brussels
- Flights from Birmingham to Brussels
- Flights from Edinburgh to Brussels
- Flights from Thessaloniki to Brussels
- Flights from Dublin to Brussels
- Flights from Bristol to Brussels
- Flights from Glasgow to Brussels
- Flights from Tallinn to Brussels
- Flights from Reykjavik to Brussels
- Flights from Heraklion to Brussels
- Flights from Vienna to Brussels
- Flights from Budapest to Brussels
- Flights from Tel Aviv to Brussels
- Flights from Montreal to Brussels
- Flights from Tirana to Brussels
- Flights from Bucharest to Brussels
- Flights from Lisbon to Brussels
- Flights from Newcastle upon Tyne to Brussels
Popular routes
- Flights from Tbilisi to Nottingham
- Flights from London to Lisbon
- Flights from Edinburgh to Baghdad
- Flights from Kaohsiung to Taiyuan
- Flights from London to Larnaca
- Flights from Penang to Qingdao
- Flights from Zhengzhou to Chengdu
- Flights from Helsinki to Kiruna
- Flights from Bangkok to Suva
- Flights from Dortmund to Târgu Mureș
- Flights from Phnom Penh to Del Carmen
- Flights from Lafayette to Reykjavik