SEA - BRU

$235 Find Cheap Flights from Seattle to Brussels Airport - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$514
Typical prices: $513-$804
Icelandair
Fri 10/5Thu 10/18
SEA - BRU • 1 stop
Cheapest one-way
$235
Typical prices: $369-$590
Icelandair
Sat 10/13
SEA - BRU • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Seattle and Brussels Bruxelles-National Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
13 weeks
in advance
Our data shows that travelers who book at least 13 weeks in advance save around 46% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 24% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top layover airports
New York John F Kennedy Intl (JFK)
Cheapest • Avg $488 (round-trip)
Amsterdam Schiphol (AMS)
Shortest trip • 13h 31m (one-way)
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Insights
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We hope you love your trip to Brussels Bruxelles-National Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Seattle to Brussels (SEA-BRU)

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

Recent round-trip flight deals from Seattle to Brussels

Mon, Oct 5 - Sun, Oct 18
Icelandair Logo
7:00 pm - 12:55 pmSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
32h 55m1 stop Reykjavik Keflavik Intl
Icelandair Logo
1:50 pm - 8:40 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
15h 50m1 stop Reykjavik Keflavik Intl
$514Icelandair
Mon, Feb 8 - Tue, Feb 16
Icelandair Logo
2:35 pm - 11:55 amSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
12h 20m1 stop Reykjavik Keflavik Intl
Icelandair Logo
12:50 pm - 5:00 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
13h 10m1 stop Reykjavik Keflavik Intl
$516Icelandair
Sat, Oct 10 - Mon, Nov 16
Multiple Airlines Logo
3:40 pm - 12:55 pmSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
12h 15m1 stop Reykjavik Keflavik Intl
Multiple Airlines Logo
10:25 am - 9:50 amBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
32h 25m2 stops Dublin Chicago O'Hare Intl
$602Multiple Airlines
Wed, Oct 14 - Mon, Nov 16
Multiple Airlines Logo
3:40 pm - 12:55 pmSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
12h 15m1 stop Reykjavik Keflavik Intl
Multiple Airlines Logo
10:25 am - 9:50 amBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
32h 25m2 stops Dublin Chicago O'Hare Intl
$602Multiple Airlines
Tue, Nov 17 - Tue, Dec 8
British Airways Logo
2:07 pm - 5:05 pmSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
17h 58m2 stops Dallas/Fort Worth London Heathrow
British Airways Logo
12:05 pm - 4:50 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
13h 45m1 stop London Heathrow
$713British Airways
Wed, Nov 11 - Wed, Nov 18
Lufthansa Logo
2:50 pm - 4:15 pmSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
16h 25m1 stop Munich Franz Josef Strauss
Lufthansa Logo
7:00 am - 12:00 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
14h 00m1 stop Frankfurt am Main
$721Lufthansa
Tue, Nov 3 - Tue, Nov 10
British Airways Logo
1:30 pm - 7:45 pmSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
21h 15m1 stop London Heathrow
British Airways Logo
12:05 pm - 4:50 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
13h 45m1 stop London Heathrow
$721British Airways
Tue, Nov 3 - Tue, Nov 10
United Airlines Logo
11:15 pm - 8:50 amSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
24h 35m2 stops Newark London Heathrow
United Airlines Logo
10:10 am - 7:03 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
17h 53m1 stop Chicago O'Hare Intl
$724United Airlines
Tue, Nov 3 - Tue, Nov 10
United Airlines Logo
6:30 am - 1:15 pmSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
21h 45m2 stops Newark London Heathrow
United Airlines Logo
10:10 am - 11:17 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
22h 07m1 stop Chicago O'Hare Intl
$725United Airlines
Wed, Feb 17 - Sat, Feb 27
Lufthansa Logo
2:50 pm - 5:10 pmSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
17h 20m1 stop Munich Franz Josef Strauss
Lufthansa Logo
7:00 am - 12:00 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
14h 00m1 stop Frankfurt am Main
$766Lufthansa
Booking Insights

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

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

How much is a round-trip flight from Seattle to Brussels Bruxelles-National Airport?

Round-trip flights from Seattle to Brussels Bruxelles-National Airport start at $514. Prices are typical for this route right now, with typical round-trip fares ranging from $513 to $804. The lowest price found in the past 5 days was $514 on Icelandair.

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

Wednesday is the cheapest day of the week to fly from Seattle to Brussels Bruxelles-National Airport, it is 23% cheaper than the average day. Friday is the most expensive day with flight prices 19% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • February is the cheapest month to fly from Seattle to Brussels Bruxelles-National Airport at $501 round-trip.
  • June ($1,217) and December ($840) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 142% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from Seattle to Brussels Bruxelles-National Airport are cheapest 13 weeks before departure. Booking in this window typically costs about 46% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Seattle to Brussels Bruxelles-National Airport flights

Low season

July

Cheapest flight

$235
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly and prices are also 21% lower on average.
Flight from Seattle to Brussels Bruxelles-National Airport

When to book flights from Seattle to Brussels

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

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

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

  • Traveling with your child can be convenient if you consider flying with Condor from SEA to BRU. They offer family-friendly services, including special family check-in counters, pre-boarding for those with young children, changing facilities, and in-flight entertainment with child-friendly content.

    What are the transport options from Brussels Airport to downtown?

  • You can connect from BRU Airport to Brussels North in downtown Brussels using the Ic train of Belgian Railways servicing NMBS and SNCB Lines with an interval of 10 minutes. STIB bus links BRU Airport with Schuman in downtown Brussels and operates at a 20-mins interval. De Lijn bus connects BRU Airport to downtown Brussels and operates after every 30 minutes. FlixBus bus runs six times weekly and connects BRU Airport to downtown Brussels.

    What are some layover airports for flights from Seattle to Brussels?

  • All flights have layovers on the SEA to BRU route. Some of the stopover airports include Frankfurt (FR) by Condor and Lufthansa, Keflavik (KEF) by Iceland, Dublin (DUB) by Aer Lingus, and London (LHR) by Finnair, Iberia, American, and British.

    Which lounges can I access at Seattle Airport?

  • SEA Airport has lounges where you can relax while waiting for your BRU flight. Some of the lounges offer exclusive access to their Business- and First-class passengers free of charge. They include Centurion Lounge on Concourse B at the Airside, Delta Sky Club Lounge on Concourse A at the Airside, and Alaska Lounge with three locations on Concourse D, Concourse C, and North Satellite at the Airside.

    What is the carry-on policy for flights from Seattle to Brussels?

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

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

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

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

    • Economy Class
    • Premium Economy Class
    • Business Class

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

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

    • Reykjavik Keflavik Intl (KEF) - 40% of one-stop connections
    • Amsterdam Schiphol (AMS) - 18% of one-stop connections
    • Frankfurt am Main (FRA) - 15% of one-stop connections
    • London Heathrow (LHR) - 9% of one-stop connections

    Reykjavik Keflavik Intl (KEF) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 35% on the Seattle to Brussels Bruxelles-National Airport route. Wednesday is the cheapest departure day at $511 round-trip on average, while Friday is the most expensive at $786, a difference of $275. 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 Brussels Bruxelles-National Airport?

    Some of the most popular sights in Brussels Bruxelles-National Airport are Grand Place, Brussels Central Railway Station and Bruxelles-Midi Station. These are among the most viewed places in Brussels Bruxelles-National Airport on KAYAK.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 43% above the route average of $659. Book 13 weeks before departure for the lowest fares.

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

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

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

    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 Seattle to Brussels Bruxelles-National Airport looking right now?

    One-way fares from Seattle to Brussels Bruxelles-National Airport are currently lower than usual. Average one-way flight prices are about $343, which is 25% below the typical average for this route.

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

    Flying via Amsterdam Schiphol (AMS) gives the shortest average 1-stop total travel time at 13h 31m, compared with 13h 37m via Munich Franz Josef Strauss (MUC) and 13h 46m via Frankfurt am Main (FRA).

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

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

  • What car rental options are available at Brussels Bruxelles-National Airport (BRU)?

    Brussels Bruxelles-National Airport (BRU) hosts 5 major car rental companies, with daily rates starting from around $20 for economy cars. Top options include:
    · Hertz
    · Alamo
    · keddy by Europcar
    · Europcar
    · Sixt

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

    Round-trip flights from Seattle to Brussels Bruxelles-National Airport range from $513 to $804, with an average of $659 over the past 12 months. Anything below $513 counts as a good deal.

Your guide to booking Seattle to Brussels Bruxelles-National Airport 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 Friday. On this route, Wednesday flights average $511 - about $275 less than Friday (35% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 13 weeks before you fly. On this route, that window historically saves about 46% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Seattle to Brussels Bruxelles-National Airport trip for February. Fares historically average $501 round-trip in that month - typically $716 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Brussels Bruxelles-National Airport.
    - NH Brussels Airport
    - Crowne Plaza Brussels Airport By IHG
  • Yes. Airlines flying from Miami to Vilnius assist passengers with special needs. Each airline operating on this route runs a wheelchair assistance program to help passengers with limited mobility get through the airport. Airlines like United Airlines, Lufthansa, and Turkish Airlines offer airport attendants who assist travelers with reduced mobility with their luggage from check-in areas to baggage claim on arrival.
  • Consider flying with Tap Air Portugal from Seattle–Tacoma Airport - Seatac (SEA) to Brussels Airport - Zaventem (BRU) to enjoy personalized meals that match your dietary needs. They include age-appropriate meals for children, Gluten-free meals for their gluten-intolerant passengers, and vegan, diabetic, and vegetarian meals specified for these passengers.
  • Condor and Tap Air Portugal allow minors aged 5 to 11 to travel unaccompanied from SEA to BRU. Their travel is only restricted to domestic flights. Both airlines have ground personnel who can help them through check-in. An assigned in-flight crew supervises the unaccompanied minors throughout their flight for enhanced safety and comfort.
  • SWISS offers extensive accessible services to special needs passengers traveling from SEA to BRU. The airline offer wheelchair assistance to passengers with reduced mobility. Their low-vision and hard-to-hear passengers have access to other forms of communication, such as braille, audio descriptions, and written or visual announcements.
  • Since the journey from SEA to BRU is long, consider flying Business- or First-class with Scandinavian Airlines for enhanced comfort. They offer these passengers special services and amenities, including fine dining options, spacious seats, and increased allowed size of carry-on bags.

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

Information on your arrival and departure airports

Seattle (SEA)
Bruxelles-National (BRU)