Seattle (SEA) → Brussels (BRU)
About Seattle to Brussels Flights
Discover the best flights from Seattle to Brussels, covering 7,957 km in approximately 10h 27m. Seattle (SEA) to Brussels (BRU) is one of the major long-haul routes connecting United States and Belgium. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Seattle to Brussels.
12-Month Price History
Flight prices from Seattle to Brussels vary significantly throughout the year. February typically offers the best deals with average prices around $1453, while July sees the highest prices, averaging $2452. Savvy travelers can save up to 41% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
163 days
For best prices
Booking Tips
For the best prices on Seattle to Brussels flights, we recommend booking 136 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
| Airline | Economy | Business | First |
|---|---|---|---|
United Airlines UA | $2020 | $8270 | $10920 |
Delta Air Lines DL | $2050 | $8540 | $12870 |
TUIfly Belgium TB | $2200 | $8360 | $11190 |
Alaska Airlines AS | $2320 | $9050 | $13440 |
British Airways BA | $2370 | $9470 | $14430 |
Brussels Airlines SN | $2420 | $8740 | $12480 |
American Airlines AA | $2540 | $7880 | $11050 |
United Airlines
UA
Economy
$2020
Business
$8270
First
$10920
Delta Air Lines
DL
Economy
$2050
Business
$8540
First
$12870
TUIfly Belgium
TB
Economy
$2200
Business
$8360
First
$11190
Alaska Airlines
AS
Economy
$2320
Business
$9050
First
$13440
British Airways
BA
Economy
$2370
Business
$9470
First
$14430
Brussels Airlines
SN
Economy
$2420
Business
$8740
First
$12480
American Airlines
AA
Economy
$2540
Business
$7880
First
$11050
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
Seattle → Amsterdam
Seattle-Tacoma International (SEA) to Amsterdam Schiphol (AMS)
Distance: 7,840 km
Average price: $1659
Seattle → Luxembourg
Seattle-Tacoma International (SEA) to Luxembourg-Findel (LUX)
Distance: 8,143 km
Average price: $1718
Seattle → Dusseldorf
Seattle-Tacoma International (SEA) to Düsseldorf (DUS)
Distance: 8,011 km
Average price: $1692
Seattle → Cologne
Seattle-Tacoma International (SEA) to Cologne Bonn (CGN)
Distance: 8,065 km
Average price: $1703
Don't Forget Travel Insurance!
Found your flight? Protect your trip with SafetyWing's comprehensive travel insurance. Perfect for trips to Brussels, Belgium.
- Medical coverage up to $250,000
- Trip interruption & delays covered
- Lost luggage protection included
From just $45/month • Works in 180+ countries • COVID-19 coverage included
Trusted by 100,000+ travelers
Frequently Asked Questions
How long is the flight from Seattle to Brussels?
The flight time from Seattle (SEA) to Brussels (BRU) is approximately 10 hours and 27 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between Seattle and Brussels?
The aerial distance between Seattle and Brussels is 7,957 kilometers (4,944 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from Seattle to Brussels?
Several airlines operate flights between Seattle and Brussels, including Delta Air Lines, Alaska Airlines, Brussels Airlines and 4 more airlines. Most flights on this route include one or more stops.
What is the cheapest month to fly from Seattle to Brussels?
Based on historical data, February typically offers the lowest airfares for flights from Seattle to Brussels. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to Brussels?
For the best prices on Seattle to Brussels flights, we recommend booking 78 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from Seattle to Brussels?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of United States traveling to Belgium should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.
What is the time difference between Seattle and Brussels?
Seattle operates on America/Los_Angeles time zone, while Brussels is in the Europe/Brussels time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.