BRU - SEA

$306 Find Cheap Flights from Brussels to Seattle - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$616
Typical prices: $763-$987
Multiple Airlines
Mon 10/15Sun 10/28
BRU - SEA • 2 stops
Cheapest one-way
$306
Typical prices: $591-$880
Multiple Airlines
Sat 9/29
BRU - SEA • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Brussels Bruxelles-National Airport and Seattle. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
15 weeks
in advance
Our data shows that travelers who book at least 15 weeks in advance save around 52% compared to booking last minute.
Insights
Insights
When to travel
December
Cheapest • 26% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
London Heathrow (LHR)
Cheapest • Avg $776 (round-trip)
Munich Franz Josef Strauss (MUC)
Shortest trip • 13h 15m (one-way)
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Insights
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Flight Deals

Cheap Flights from Brussels to Seattle (BRU-SEA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Brussels to Seattle

Thu, Oct 15 - Wed, Oct 28
Multiple Airlines Logo
6:30 pm - 12:35 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
51h 05m2 stops Dublin New York John F Kennedy Intl
Multiple Airlines Logo
3:35 pm - 11:55 amSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
12h 20m1 stop Reykjavik Keflavik Intl
$616Multiple Airlines
Thu, Oct 15 - Wed, Oct 28
Multiple Airlines Logo
6:40 pm - 8:40 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
35h 00m3 stops Oslo Gardermoen Stockholm Arlanda Reykjavik Keflavik Intl
Multiple Airlines Logo
3:35 pm - 7:50 pmSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
20h 15m3 stops Reykjavik Keflavik Intl Stockholm Arlanda Kastrup Copenhagen
$682Multiple Airlines
Fri, Oct 2 - Fri, Oct 9
Scandinavian Airlines Logo
10:20 am - 1:45 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
12h 25m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
3:55 pm - 7:50 pmSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
18h 55m1 stop Kastrup Copenhagen
$713Scandinavian Airlines
Fri, Oct 2 - Fri, Oct 9
Scandinavian Airlines Logo
7:10 pm - 1:45 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
27h 35m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
3:55 pm - 12:00 pmSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
35h 05m2 stops Kastrup Copenhagen Oslo Gardermoen
$713Scandinavian Airlines
Mon, Oct 5 - Tue, Oct 20
Icelandair Logo
1:50 pm - 5:55 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
13h 05m1 stop Reykjavik Keflavik Intl
Icelandair Logo
7:00 pm - 12:55 pmSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
32h 55m1 stop Reykjavik Keflavik Intl
$814Icelandair
Thu, Oct 15 - Wed, Oct 28
Icelandair Logo
1:50 pm - 5:55 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
13h 05m1 stop Reykjavik Keflavik Intl
Icelandair Logo
3:35 pm - 11:55 amSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
12h 20m1 stop Reykjavik Keflavik Intl
$816Icelandair
Tue, Sep 15 - Mon, Sep 21
Lufthansa Logo
6:20 am - 11:55 amBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
14h 35m1 stop Frankfurt am Main
Lufthansa Logo
8:10 am - 7:15 amSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
14h 05m1 stop Washington, D.C. Dulles Intl
$883Lufthansa
Wed, Sep 16 - Sat, Sep 26
Lufthansa Logo
8:30 am - 11:55 amBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
12h 25m1 stop Frankfurt am Main
Lufthansa Logo
8:25 am - 7:15 amSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
13h 50m1 stop Washington, D.C. Dulles Intl
$883Lufthansa
Tue, Dec 1 - Fri, Dec 25
British Airways Logo
12:05 pm - 4:50 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
13h 45m1 stop London Heathrow
British Airways Logo
6:45 pm - 5:20 pmSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
13h 35m1 stop London Heathrow
$904British Airways
Fri, Dec 4 - Thu, Dec 24
British Airways Logo
6:00 pm - 11:25 amBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
26h 25m1 stop London Heathrow
British Airways Logo
1:40 pm - 4:55 pmSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
18h 15m1 stop London Heathrow
$959British Airways
Booking Insights

Price, demand and travel trends for Brussels Bruxelles-National Airport to Seattle flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Brussels Bruxelles-National Airport to Seattle with more confidence.

What's the cheapest day of the week to fly from Brussels Bruxelles-National Airport to Seattle?

Wednesday is the cheapest day of the week to fly from Brussels Bruxelles-National Airport to Seattle, it is 6% cheaper than the average day. Sunday is the most expensive day with flight prices 8% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Brussels Bruxelles-National Airport to Seattle?

  • December is the cheapest month to fly from Brussels Bruxelles-National Airport to Seattle at $654 round-trip.
  • January ($1,382) and April ($991) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 111% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Brussels Bruxelles-National Airport to Seattle the cheapest?

Flights from Brussels Bruxelles-National Airport to Seattle are cheapest 15 weeks before departure. Booking in this window typically costs about 52% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Brussels Bruxelles-National Airport to Seattle flights

Low season

February

Cheapest flight

$306
Best time to beat the crowds but there is an average 10% increase in price.
Most popular time to fly and prices are also 1% lower on average.
Flight from Brussels Bruxelles-National Airport to Seattle

When to book flights from Brussels to Seattle

Are your dates flexible? Find out the best times to travel from Brussels to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Brussels Bruxelles-National Airport to Seattle flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Brussels Bruxelles-National Airport to Seattle?

    Flights from Brussels Bruxelles-National Airport to Seattle usually depart from Brussels Bruxelles-National (BRU) and arrive at Seattle/Tacoma Intl (SEA).

  • What cabin classes can I book on flights from Brussels Bruxelles-National Airport to Seattle?

    Only Economy Class is available on flights from Brussels Bruxelles-National Airport to Seattle.

  • Which airports do connecting flights from Brussels Bruxelles-National Airport to Seattle pass through?

    One-stop flights from Brussels Bruxelles-National Airport to Seattle most commonly connect through:

    • Amsterdam Schiphol (AMS) - 20% of one-stop connections
    • Reykjavik Keflavik Intl (KEF) - 19% of one-stop connections
    • Frankfurt am Main (FRA) - 16% of one-stop connections
    • London Heathrow (LHR) - 13% of one-stop connections

    Amsterdam Schiphol (AMS) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Brussels Bruxelles-National Airport to Seattle?

    Yes. Being flexible with your travel dates can save you up to 13% on the Brussels Bruxelles-National Airport to Seattle route. Wednesday is the cheapest departure day at $832 round-trip on average, while Sunday is the most expensive at $953, a difference of $121. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Pike Place Market, Pier 66 and Lumen Field. These are among the most viewed places in Seattle on KAYAK.

  • How long is a flight from Brussels Bruxelles-National Airport to Seattle?

    A nonstop flight from Brussels Bruxelles-National Airport to Seattle takes 0h 00m, covering 4,941 miles.

  • What are the earliest and latest flights from Brussels Bruxelles-National Airport to Seattle?

    These are the earliest and latest flight times available from Brussels Bruxelles-National Airport to Seattle:

    • Earliest: departs at 12:00 am and lands at 12:00 am
    • Latest: departs at 12:00 am and lands at 12:00 am.

    The flight takes about 0h 00m.

  • How expensive are last-minute Brussels Bruxelles-National Airport to Seattle flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 50% above the route average of $881. Book 15 weeks before departure for the lowest fares.

  • Do I need a passport to fly from Brussels Bruxelles-National Airport to Seattle?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Brussels Bruxelles-National Airport to Seattle looking right now?

    One-way fares from Brussels Bruxelles-National Airport to Seattle are currently higher than usual. Average one-way flight prices are about $796, which is 13% above the typical average for this route.

  • How much time can I save by choosing a different layover airport from Brussels Bruxelles-National Airport to Seattle?

    Flying via Munich Franz Josef Strauss (MUC) gives the shortest average 1-stop total travel time at 13h 15m, compared with 13h 17m via Zurich (ZRH) and 13h 29m via Amsterdam Schiphol (AMS).

  • What is the time difference between Brussels Bruxelles-National Airport and Seattle?

    Seattle is 9 hours behind Brussels Bruxelles-National Airport (Pacific Time vs Central European Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
    · Fox
    · Europcar
    · Thrifty
    · Budget
    · Dollar

  • How much should I expect to pay for a Brussels Bruxelles-National Airport to Seattle flight?

    Round-trip flights from Brussels Bruxelles-National Airport to Seattle range from $763 to $987, with an average of $881 over the past 12 months. Anything below $763 counts as a good deal.

Your guide to booking Brussels Bruxelles-National Airport to Seattle flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Sunday. On this route, Wednesday flights average $832 - about $121 less than Sunday (13% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 15 weeks before you fly. On this route, that window historically saves about 52% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Brussels Bruxelles-National Airport to Seattle trip for December. Fares historically average $654 round-trip in that month - typically $728 less than the most expensive month, which is January (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Seattle/Tacoma Intl Airport.
    - Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport
    - Coast Gateway Hotel
    - Seattle Airport Marriott

Everything you need to know for your flight from Brussels to Seattle

Information on your arrival and departure airports

Brussels (BRU)
Seattle (SEA)