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Cheap flights from Brussels Bruxelles-National Airport to Seattle from $258

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Brussels Bruxelles-National Airport to Seattle departing on 5/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Brussels Bruxelles-National Airport to Seattle

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Brussels Bruxelles-National Airport to Seattle.
Icelandair Logo
1:50 pm - 5:50 pmBRU-SEA
13h 00m1 stop
Icelandair Logo
7:00 pm - 12:50 pmSEA-BRU
32h 50m1 stop
$612Icelandair
Find Deal
Sat, Sep 6 - Mon, Sep 22
Finnair Logo
11:40 am - 4:00 pmBRU-SEA
13h 20m1 stop
Finnair Logo
5:40 pm - 6:20 pmSEA-BRU
15h 40m1 stop
$618Finnair
Find Deal
Mon, May 5 - Sun, May 18
Finnair Logo
7:05 pm - 4:00 pmBRU-SEA
29h 55m1 stop
Finnair Logo
5:40 pm - 9:20 amSEA-BRU
30h 40m1 stop
$624Finnair
Find Deal
Fri, May 2 - Thu, May 15
Delta Logo
6:10 am - 4:00 pmBRU-SEA
18h 50m1 stop
Delta Logo
10:59 pm - 8:40 amSEA-BRU
24h 41m1 stop
$634Delta
Find Deal
Fri, Apr 18 - Tue, Apr 22
Delta Logo
6:10 am - 4:05 pmBRU-SEA
18h 55m1 stop
Delta Logo
7:20 am - 8:40 amSEA-BRU
16h 20m1 stop
$635Delta
Find Deal
Wed, Sep 10 - Wed, Sep 24
British Airways Logo
10:50 am - 6:20 pmBRU-SEA
16h 30m1 stop
British Airways Logo
1:29 pm - 9:15 pmSEA-BRU
22h 46m2 stops
$667British Airways
Find Deal
Thu, May 29 - Fri, Jun 13
British Airways Logo
8:35 pm - 5:28 pmBRU-SEA
29h 53m2 stops
British Airways Logo
1:30 pm - 6:50 pmSEA-BRU
20h 20m1 stop
$673British Airways
Find Deal
Sun, Jun 1 - Thu, Jun 12
Lufthansa Logo
10:15 am - 11:59 pmBRU-SEA
22h 44m1 stop
Lufthansa Logo
7:00 am - 9:00 amSEA-BRU
17h 00m1 stop
$823Lufthansa
Find Deal
Mon, Jul 14 - Mon, Jul 28
Aer Lingus Logo
10:20 am - 4:59 pmBRU-SEA
15h 39m1 stop
Aer Lingus Logo
12:05 am - 9:40 amSEA-BRU
24h 35m2 stops
$1,406Aer Lingus
Find Deal
Sat, May 31 - Fri, Jun 20
Aer Lingus Logo
10:20 am - 4:59 pmBRU-SEA
15h 39m1 stop
Aer Lingus Logo
12:05 am - 9:40 amSEA-BRU
24h 35m2 stops
$1,410Aer Lingus
Find Deal
Sat, May 31 - Fri, Jun 20

Delta flights from Brussels Bruxelles-National Airport to Seattle

Our best Delta deals on Brussels Bruxelles-National Airport to Seattle flight tickets
Delta
Apr 18
BRU6:10 amBrussels Bruxelles-National
18h 50m
1 stop
SEA4:00 pmSeattle/Tacoma Intl
Apr 22
SEA10:59 pmSeattle/Tacoma Intl
24h 41m
1 stop
BRU8:40 amBrussels Bruxelles-National
Delta
Sep 10
BRU6:10 amBrussels Bruxelles-National
18h 55m
1 stop
SEA4:05 pmSeattle/Tacoma Intl
Sep 24
SEA7:20 amSeattle/Tacoma Intl
16h 20m
1 stop
BRU8:40 amBrussels Bruxelles-National
Delta
Apr 18
BRU10:25 amBrussels Bruxelles-National
14h 35m
1 stop
SEA4:00 pmSeattle/Tacoma Intl
Apr 22
SEA7:10 amSeattle/Tacoma Intl
17h 30m
2 stops
BRU9:40 amBrussels Bruxelles-National

Finnair flights from Brussels Bruxelles-National Airport to Seattle

Our best Finnair deals on Brussels Bruxelles-National Airport to Seattle flight tickets
Finnair
May 5
BRU11:40 amBrussels Bruxelles-National
13h 20m
1 stop
SEA4:00 pmSeattle/Tacoma Intl
May 18
SEA5:40 pmSeattle/Tacoma Intl
15h 40m
1 stop
BRU6:20 pmBrussels Bruxelles-National
Finnair
May 2
BRU7:05 pmBrussels Bruxelles-National
29h 55m
1 stop
SEA4:00 pmSeattle/Tacoma Intl
May 15
SEA5:40 pmSeattle/Tacoma Intl
30h 40m
1 stop
BRU9:20 amBrussels Bruxelles-National
Finnair
May 3
BRU7:05 pmBrussels Bruxelles-National
29h 55m
1 stop
SEA4:00 pmSeattle/Tacoma Intl
May 17
SEA5:40 pmSeattle/Tacoma Intl
30h 40m
1 stop
BRU9:20 amBrussels Bruxelles-National

See travel insights to Seattle from

How to get the cheapest flight ticket from Brussels Bruxelles-National Airport to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

In general, January is the cheapest month to fly from Brussels Bruxelles-National Airport to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $662. If you don’t want to visit Seattle in January, then you should wait until March to fly from Brussels Bruxelles-National Airport, when ticket prices are also cheap, with an average price of $666.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Brussels Bruxelles-National Airport is on a Sunday. momondo users have found tickets for Sunday departures for as low as $696. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Brussels Bruxelles-National Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $979.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Brussels Bruxelles-National Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $809 when looking at flights departing in the morning. Flights to Seattle are more costly at noon, with an average ticket price of $956. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Seattle from Brussels Bruxelles-National Airport when booking 26 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $743 when searching 26 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Brussels Bruxelles-National Airport for as low as $533 on momondo.

How have Brussels Bruxelles-National Airport to Seattle flight prices changed over time?

As of April 2025, prices for Brussels Bruxelles-National Airport to Seattle flights are approximately 29% more expensive when compared to flights at the same time last year.

When to book flights from Brussels Bruxelles-National Airport to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Brussels Bruxelles-National Airport to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Brussels Bruxelles-National Airport to Seattle (BRU to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Brussels Bruxelles-National Airport to Seattle

Best Price Found

$258

Fastest flight time

12h 25m

Direct flights

None

Airports in Seattle

1 airport
The best one-way flight to Seattle from Brussels Bruxelles-National Airport in the past 72 hours is $258. The best round-trip flight deal from Brussels Bruxelles-National Airport to Seattle found on momondo in the last 72 hours is $612.
The fastest flight from Brussels Bruxelles-National Airport to Seattle takes 12h 25m
There are no direct flights from Brussels Bruxelles-National Airport to Seattle. Popular non-direct route for this connection is Brussels Bruxelles-National Airport - Seattle/Tacoma Intl Airport.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

  • How far is Brussels Bruxelles-National to Seattle/Tacoma Intl by plane?

    There are 4932.2 mi between Brussels Bruxelles-National and Seattle/Tacoma Intl. In terms of flight time, this usually takes a little over 12h 25m.

  • When did momondo last update prices for flights from Brussels Bruxelles-National Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Brussels Bruxelles-National Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Brussels Bruxelles-National Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Brussels Bruxelles-National Airport to Seattle/Tacoma Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Brussels Bruxelles-National Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Brussels Bruxelles-National Airport to Seattle?


Best airlines flying from Brussels Bruxelles-National Airport to Seattle

Compare and see reviews for airlines that fly from Brussels Bruxelles-National Airport to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom $524Free CancellationRating
7.0
1,059 reviews
Search Aer Lingus flights
IcelandairPriceFrom $586Free CancellationRating
7.0
476 reviews
Search Icelandair flights
KLMPriceFrom $605Free CancellationRating
7.8
1,323 reviews
Search KLM flights
British AirwaysPriceFrom $611Free CancellationRating
6.6
6,718 reviews
Search British Airways flights
DeltaPriceFrom $616Free CancellationRating
8.0
7,897 reviews
Search Delta flights
FinnairPriceFrom $651Free CancellationRating
7.6
1,267 reviews
Search Finnair flights
LufthansaPriceFrom $670Free CancellationRating
6.7
6,966 reviews
Search Lufthansa flights
United AirlinesPriceFrom $694Free CancellationRating
7.4
8,619 reviews
Search United Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Tacoma
SeaTac
Ocean Shores
Olympia
Kent
Renton
Federal Way
Tukwila
Puyallup
Kirkland
Lakewood
Lynnwood
Fife
Shoreline
Marysville
Centralia
Redmond
Cle Elum
Lacey

Why use momondo?

Why should I use momondo to find a flight deal from Brussels to Seattle?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Brussels.

Can I find flights from Brussels to Seattle with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Brussels to Seattle flights to just show those with flexible booking policies.

How can momondo help me find flights from Brussels to Seattle?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Brussels.

I’m not ready to book a flight from Brussels to Seattle right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Seattle from Brussels. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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