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BRU - SEA

$492 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
$675
Typical prices: $814-$1,022
Multiple Airlines
Thu 2/1Sun 2/4
BRU - SEA • 1 stop
Cheapest one-way
$492
Typical prices: $634-$971
Multiple Airlines
Mon 1/8
BRU - SEA • 2 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
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When to book
10 weeks
in advance
Our data shows that travelers who book at least 10 weeks in advance save around 55% compared to booking last minute.
Insights
Insights
When to travel
September
Cheapest • 7% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Dublin (DUB)
Cheapest • Avg $821 (round-trip)
Munich Franz Josef Strauss (MUC)
Shortest trip • 13h 15m (one-way)
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Insights
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We hope you love your trip to Seattle!

Cheap Flights from Brussels to Seattle (BRU-SEA)

 

Cheap flights from Brussels to Seattle with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Mon, Feb 1 - Thu, Feb 4
Multiple Airlines Logo
9:30 am - 3:55 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
15h 25m1 stop Frankfurt am Main
Multiple Airlines Logo
5:50 pm - 10:30 pmSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
19h 40m1 stop Frankfurt am Main
$675Multiple Airlines
Thu, Nov 26 - Wed, Dec 9
Multiple Airlines Logo
5:35 pm - 12:20 amBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
39h 45m2 stops Casablanca Mohamed V Los Angeles
Multiple Airlines Logo
2:35 pm - 11:55 amSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
12h 20m1 stop Reykjavik Keflavik Intl
$726Multiple Airlines
Thu, Nov 26 - Wed, Dec 9
Icelandair Logo
12:50 pm - 5:00 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
13h 10m1 stop Reykjavik Keflavik Intl
Icelandair Logo
2:35 pm - 11:55 amSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
12h 20m1 stop Reykjavik Keflavik Intl
$779Icelandair
Sun, Nov 22 - Mon, Dec 7
Icelandair Logo
12:50 pm - 5:00 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
13h 10m1 stop Reykjavik Keflavik Intl
Icelandair Logo
2:35 pm - 11:55 amSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
12h 20m1 stop Reykjavik Keflavik Intl
$780Icelandair
Tue, Nov 10 - Tue, Nov 24
Scandinavian Airlines Logo
3:10 pm - 11:00 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
40h 50m2 stops Kastrup Copenhagen New York John F Kennedy Intl
Scandinavian Airlines Logo
7:20 am - 6:35 pmSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
26h 15m2 stops San Francisco Kastrup Copenhagen
$832Scandinavian Airlines
Mon, Nov 16 - Mon, Nov 30
Scandinavian Airlines Logo
7:15 pm - 11:00 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
36h 45m2 stops Kastrup Copenhagen New York John F Kennedy Intl
Scandinavian Airlines Logo
3:13 pm - 6:35 pmSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
18h 22m2 stops Los Angeles Kastrup Copenhagen
$832Scandinavian Airlines
Sun, Oct 25 - Wed, Nov 4
Lufthansa Logo
7:00 am - 1:00 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
14h 00m1 stop Frankfurt am Main
Lufthansa Logo
2:50 pm - 7:55 pmSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
20h 05m1 stop Munich Franz Josef Strauss
$883Lufthansa
Thu, Oct 22 - Thu, Nov 26
KLM Logo
6:20 am - 11:52 amBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
14h 32m1 stop Amsterdam Schiphol
KLM Logo
8:25 am - 11:00 amSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
17h 35m1 stop Atlanta Hartsfield-Jackson
$889KLM
Wed, Oct 21 - Tue, Nov 24
KLM Logo
8:05 am - 11:52 amBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
12h 47m1 stop Amsterdam Schiphol
KLM Logo
11:45 am - 11:00 amSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
14h 15m1 stop Atlanta Hartsfield-Jackson
$889KLM
Fri, Oct 30 - Fri, Nov 6
Lufthansa Logo
7:00 am - 2:00 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
15h 00m2 stops Frankfurt am Main Munich Franz Josef Strauss
Lufthansa Logo
8:09 am - 10:10 amSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
17h 01m2 stops Washington, D.C. Dulles Intl Frankfurt am Main
$959Lufthansa

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 with more confidence.

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

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Brussels Bruxelles-National Airport to Seattle. It’s 6% cheaper than the average day, while Sunday is the most expensive, with prices 11% higher.

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

•September is the cheapest month to fly from Brussels Bruxelles-National Airport to Seattle at $848 round-trip.
•January ($1,382) and October ($1,022) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 62% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from Brussels Bruxelles-National Airport to Seattle are cheapest 10 weeks before departure. Booking in this window typically costs about 55% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Brussels Bruxelles-National Airport to Seattle flights

Low season

November

Cheapest flight

$492
Beat the crowds with an average 85% drop in travelers.
The most popular month to fly with an average 51% increase in travelers.
One-way 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 answers about this route, including flight times, airports, airlines and booking tips.

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

    Three cabin classes are available on flights from Brussels Bruxelles-National Airport to Seattle:

    • Economy Class
    • Premium Economy Class
    • Business Class

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

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

  • 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 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 $814 to $1,022, with an average of $910 over the past 12 months. Anything below $814 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 63% above the $910 route average. Book 10 weeks before departure for the lowest fares.

  • Have flight prices from Brussels Bruxelles-National Airport to Seattle changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $675 to $3,504. That means the highest observed fare was about 5x higher than the lowest one.

  • 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 lower than usual. Average one-way flight prices are about $692, which is 6% below the typical average for this route.

  • 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
    • Hertz

  • 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).

  • 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:

    • Reykjavik Keflavik Intl (KEF) - 25% of one-stop connections
    • Amsterdam Schiphol (AMS) - 23% of one-stop connections
    • Kastrup Copenhagen (CPH) - 11% of one-stop connections
    • Dublin (DUB) - 10% of one-stop connections

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

    Yes. Flexible dates can save you up to 15% on flights from Brussels Bruxelles-National Airport to Seattle. Thursday is the cheapest departure day at $864 round-trip on average, while Sunday is the most expensive at $1,012, a difference of $148.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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 18m 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 popular places can I visit in Seattle?

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

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 are flexible, aim for a Thursday departure and avoid flying on Sunday. On this route, Thursday flights average $864, about $148 less than Sunday fares (15% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 10 weeks before you fly. On this route, that window historically saves about 55% 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 September. Fares historically average $848 round-trip in that month - typically $534 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.

    • Coast Gateway Hotel
    • Seattle Airport Marriott
    • Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport

More options for your flight from Brussels to Seattle

Complete your trip to Seattle with a hotel stay or car rental

Car rentals in Seattle
Hotels in Seattle
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