$489 Find Cheap Flights from Belgium to Seattle - Compare and Save

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Cheap Flights from Belgium to Seattle

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

Recent round-trip flight deals from Belgium to Seattle

Thu, Feb 18 - Mon, Feb 22
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
$726Icelandair
Sun, Jan 31 - Sat, Feb 6
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
$728Icelandair
Thu, Dec 3 - Wed, Dec 30
Scandinavian Airlines Logo
3:10 pm - 11:09 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
40h 59m2 stops Kastrup Copenhagen New York John F Kennedy Intl
Scandinavian Airlines Logo
11:15 pm - 9:40 amSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
25h 25m2 stops Boston Logan Intl Kastrup Copenhagen
$808Scandinavian Airlines
Sun, Jan 31 - Sat, Feb 6
Scandinavian Airlines Logo
10:20 am - 10:21 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
21h 01m2 stops Kastrup Copenhagen New York John F Kennedy Intl
Scandinavian Airlines Logo
2:40 pm - 7:50 pmSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
20h 10m2 stops Los Angeles Kastrup Copenhagen
$828Scandinavian Airlines
Sun, Jan 31 - Sat, Feb 6
British Airways Logo
11:25 am - 10:35 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
20h 10m2 stops London Heathrow Dallas/Fort Worth
British Airways Logo
1:40 pm - 1:55 pmSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
15h 15m1 stop London Heathrow
$847British Airways
Tue, Nov 17 - Tue, Dec 8
British Airways Logo
12:05 pm - 12:35 amBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
21h 30m2 stops London Heathrow Chicago O'Hare Intl
British Airways Logo
1:30 pm - 1:05 pmSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
14h 35m1 stop London Heathrow
$852British Airways
Thu, Dec 17 - Thu, Dec 24
Lufthansa Logo
7:00 am - 12:00 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
14h 00m1 stop Frankfurt am Main
Lufthansa Logo
1:50 pm - 1:35 pmSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
14h 45m1 stop Frankfurt am Main
$908Lufthansa
Thu, Dec 17 - Thu, Dec 24
Lufthansa Logo
7:00 am - 12:00 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
14h 00m1 stop Frankfurt am Main
Lufthansa Logo
1:50 pm - 7:55 pmSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
21h 05m2 stops Frankfurt am Main Munich Franz Josef Strauss
$929Lufthansa
Sun, Dec 20 - Thu, Jan 7
KLM Logo
6:15 am - 11:50 amBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
14h 35m1 stop Amsterdam Schiphol
KLM Logo
2:25 pm - 2:15 pmSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
14h 50m1 stop Amsterdam Schiphol
$1,161KLM
Sat, Dec 19 - Sat, Jan 2
KLM Logo
6:15 am - 11:50 amBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
14h 35m1 stop Amsterdam Schiphol
KLM Logo
2:25 pm - 2:15 pmSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
14h 50m1 stop Amsterdam Schiphol
$1,406KLM
Booking Insights

KAYAK's insights & trends for flights to Seattle

Get data-powered insights and trends for flights to Seattle to help you find the cheapest flights, the best time to fly and much more.

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

To get a below average price, you should book around 2 weeks before departure, which saves you about 34% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 4 weeks before departure.

Good to know

Low season

November

Cheapest flight

$489
Best time to beat the crowds but there is an average 15% increase in price.
Most popular time to fly and prices are also 10% lower on average.
Flight from Brussels to Seattle

FAQs - booking Seattle flights

  • How far is Seattle/Tacoma Intl Airport from central Seattle?

    Central Seattle is 11 miles away from Seattle/Tacoma Intl Airport.

  • What is the name of Seattle’s airport?

    When flying to Seattle, you'll arrive at Seattle/Tacoma Intl Airport (SEA). The airport is also known as Seattle-Tacoma Intl, Seattle/Tacoma, or Seattle/Tacoma Intl.

  • How does KAYAK find such low prices on flights to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • How many direct flights to Seattle are there each week?

    Each week there are around 9,798 direct flights from within Belgium to Seattle. The most common day for departures is Sunday, with 20% of flights taking off on this day.

Top tips for finding cheap flights to Seattle

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Seattle flight deals.

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Lynnwood
Centralia
Fife
Lakewood
Westport
Lacey
Mukilteo
Woodinville
Poulsbo
Edmonds
Aberdeen
DuPont
Shoreline
Monroe
Castle Rock
Edgewood

More options for your flight to Seattle