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Cheap flights from Seattle (SEA) to Brussels (BRU)

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The best prices from Seattle to Brussels are usually found in February or August, booked 33 days in advance, depart on a Tuesday or Monday and return on a Saturday

How to find the cheapest flight from
Seattle (SEA) to Brussels (BRU)

SEA - BR1
Price
$597 - $1,025
BR1
Temperature
42.8 - 73.4 °F
BR1
Rainfall
2.1 - 3.7 inches

Popular in

June

High demand for flights, 27% potential price rise

Cheapest in

February

Best time to find cheap flights, 21% potential price drop

Average price

$687

Average for round-trip flights in November 2020

Round-trip from

$597

From Seattle to Brussels

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Seattle to Brussels?

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 41% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Seattle to Brussels?

Travelers have found it’s best to book a flight 33 days in advance to save up to 40% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 33 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to Brussels 1-2 weeks in advance for as low as $686, or $901 for flights within the next 24 hours.

When is the cheapest time to fly from Seattle to Brussels (SEA - BR1)?

One of the essential ways to save on airfare from Seattle to Brussels is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 15% on airfare.

Cheap flights from Seattle to Brussels in November, December 2020

The best prices found for SEA to BRU flights for November, December
30 Nov - 3 Dec
$715pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
BRU
Brussels Bruxelles-National
BRU
Brussels Bruxelles-National
Multiple Airlines
     
3 STOPS
SEA
Seattle/Tacoma Intl
30 Nov - 3 Dec
$780pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
BRU
Brussels Bruxelles-National
BRU
Brussels Bruxelles-National
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
30 Nov - 3 Dec
$1,090pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
BRU
Brussels Bruxelles-National
BRU
Brussels Bruxelles-National
Lufthansa
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle to Brussels 2021 flight deals

Cheap flights to Brussels from Seattle found for next year
30 Nov - 3 Dec
$715pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
BRU
Brussels Bruxelles-National
BRU
Brussels Bruxelles-National
Multiple Airlines
     
3 STOPS
SEA
Seattle/Tacoma Intl
30 Nov - 3 Dec
$780pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
BRU
Brussels Bruxelles-National
BRU
Brussels Bruxelles-National
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
30 Nov - 3 Dec
$1,090pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
BRU
Brussels Bruxelles-National
BRU
Brussels Bruxelles-National
Lufthansa
 
1 STOP
SEA
Seattle/Tacoma Intl

Related info for your journey

Useful info, stats and facts about Seattle to Brussels flights.

Flight FAQs

From Seattle to Brussels

Are flight prices decreasing from Seattle to Brussels due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Seattle and Brussels for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Seattle/Tacoma Intl to Brussels to control the spread of COVID-19?

Delta is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. New policies for travelers booking flights from Seattle/Tacoma Intl to Brussels include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from Seattle/Tacoma Intl to Brussels have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Icelandair, British Airways, and United Airlines flying from Seattle/Tacoma Intl to Brussels have implemented new flexible cancellation policies.

Can I find flights from Seattle to Brussels for under $600 on Cheapflights?

Yes, there are multiple flights from Seattle to Brussels for under $600. The cheapest flight booked recently is on Aer Lingus for just $598, but on average you can expect to pay $709.

Are there nonstop flights from Seattle to Brussels for under $600 on Cheapflights?

There are no nonstop flights from Seattle to Brussels, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Is Seattle weather warmer or cooler than Brussels?

Expect the weather to be around 77 °F on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Brussels is generally colder than in Seattle.

How long is the flight from Seattle to Brussels?

Brussels Airlines, Aer Lingus, and Air Canada can get you from Seattle to Brussels in just under 12h 55m. Your travel time can differ by up to 2h 30m. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Seattle to Brussels round-trip?

According to our current data, Aer Lingus ($598), and Brussels Airlines ($968) offers the cheapest pricing from Seattle to Brussels. You may be able to fly from Seattle to Brussels for 20% less than the average price by searching for these airlines.

Destination information for Brussels

Things to know before you go. Useful info for your trip from Seattle to Brussels
Today's exchange rate
$1 = €0.84
Average temperature for November in Brussels
48.2 °F
Avg rainfall for November in Brussels
2.7 ″

Airports servicing Seattle

Airports servicing Brussels

Charleroi Brussels So (CRL)

Top 10 airlines from Seattle to Brussels

The chart below displays the airlines Cheapflights users traveling from Seattle to Brussels choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Airline Cheapest Average Flexibility On-time COVID-19 safety
Air Canada
$320 $584 No cancel fee 67%
Air France
$429 $608 No change fee 77%
Brussels Airlines
$331 $617 No change fee N/A
United Airlines
$322 $729 No cancel fee 69%
British Airways
$423 $745 No cancel fee 70%
Delta
$365 $769 No cancel fee N/A
Aer Lingus
$592 $822 No change fee N/A
Icelandair
$445 $829 No cancel fee 76%
KLM
$558 $840 No change fee 75%
Lufthansa
$467 $949 No change fee 76%
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