What is the cheapest airline that flies from Brussels to Seattle/Tacoma Intl?

British Airways is the most popular carrier operating from Brussels to Seattle/Tacoma Intl

What airlines fly to Seattle?

Icelandair, British Airways and KLM are the top three most popular airlines that fly to Seattle from Brussels according to our data. Icelandair is the first choice among our users, with 29% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 6 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

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

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

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

As of January 2026, there are 6 operators available to choose from for flights from Brussels to Seattle/Tacoma Intl Airport.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Brussels to Seattle/Tacoma Intl Airport.

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

The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$362 Cheap Flights from Brussels to Seattle in 2026

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Find the cheapest flights from Brussels to Seattle

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:50 pm - 5:00 pm

BRU

SEA

13h 10m

1 stop

2:35 pm - 11:55 am

SEA

BRU

12h 20m

1 stop

$512Icelandair

Thu, Feb 5 - Wed, Feb 18

12:50 pm - 5:00 pm

BRU

SEA

13h 10m

1 stop

2:35 pm - 11:55 am

SEA

BRU

12h 20m

1 stop

$530Icelandair

Thu, Feb 26 - Thu, Mar 5

12:50 pm - 5:00 pm

BRU

SEA

13h 10m

1 stop

2:35 pm - 11:55 am

SEA

BRU

12h 20m

1 stop

$531Icelandair

Thu, Feb 5 - Wed, Feb 18

1:50 pm - 5:55 pm

BRU

SEA

13h 05m

1 stop

7:00 pm - 12:55 pm

SEA

BRU

32h 55m

1 stop

$543Icelandair

Thu, Apr 9 - Tue, Apr 21

1:50 pm - 8:40 pm

BRU

SEA

15h 50m

1 stop

3:40 pm - 12:55 pm

SEA

BRU

12h 15m

1 stop

$563Icelandair

Thu, May 7 - Fri, May 29

1:50 pm - 5:55 pm

BRU

SEA

13h 05m

1 stop

7:00 pm - 12:55 pm

SEA

BRU

32h 55m

1 stop

$565Icelandair

Wed, May 6 - Thu, May 28

9:25 am - 5:00 pm

BRU

SEA

16h 35m

2 stops

2:35 pm - 5:55 pm

SEA

BRU

18h 20m

2 stops

$568Multiple Airlines

Thu, Feb 26 - Thu, Mar 5

10:55 am - 6:25 pm

BRU

SEA

16h 30m

1 stop

1:35 pm - 8:40 pm

SEA

BRU

22h 05m

1 stop

$578Multiple Airlines

Tue, Jun 2 - Thu, Jun 18

9:15 pm - 11:35 am

BRU

SEA

23h 20m

1 stop

8:20 pm - 8:25 pm

SEA

BRU

15h 05m

1 stop

$596Multiple Airlines

Wed, Jun 10 - Tue, Jun 30

10:50 am - 6:25 pm

BRU

SEA

16h 35m

1 stop

1:35 pm - 3:15 pm

SEA

BRU

16h 40m

1 stop

$611Multiple Airlines

Thu, Jun 11 - Tue, Jun 16

Scandinavian Airlines flights from Brussels to Seattle

Our best Scandinavian Airlines deals on Brussels to Seattle flight tickets

Scandinavian Airlines

Jun 11

BRU8:30 pmBrussels Bruxelles-National

26h 15m

1 stop

SEA1:45 pmSeattle/Tacoma Intl

Jun 14

SEA3:55 pmSeattle/Tacoma Intl

32h 45m

1 stop

BRU9:40 amBrussels Bruxelles-National

$685

Scandinavian Airlines

Jun 11

BRU7:10 pmBrussels Bruxelles-National

27h 35m

1 stop

SEA1:45 pmSeattle/Tacoma Intl

Jun 14

SEA3:55 pmSeattle/Tacoma Intl

33h 45m

2 stops

BRU10:40 amBrussels Bruxelles-National

$689

Scandinavian Airlines

Jan 16

BRU10:20 amBrussels Bruxelles-National

21h 05m

2 stops

SEA10:25 pmSeattle/Tacoma Intl

Jan 23

SEA11:17 amSeattle/Tacoma Intl

23h 33m

2 stops

BRU7:50 pmBrussels Bruxelles-National

$992

American Airlines flights from Brussels to Seattle

Our best American Airlines deals on Brussels to Seattle flight tickets

American Airlines

Jun 10

BRU3:15 pmBrussels Bruxelles-National

29h 20m

1 stop

SEA11:35 amSeattle/Tacoma Intl

Jun 28

SEA8:20 pmSeattle/Tacoma Intl

28h 45m

1 stop

BRU10:05 amBrussels Bruxelles-National

$694

American Airlines

Jun 8

BRU3:00 pmBrussels Bruxelles-National

31h 45m

2 stops

SEA1:45 pmSeattle/Tacoma Intl

Jul 3

SEA1:58 pmSeattle/Tacoma Intl

20h 12m

2 stops

BRU7:10 pmBrussels Bruxelles-National

$700

American Airlines

Jan 23

BRU11:45 amBrussels Bruxelles-National

19h 35m

2 stops

SEA10:20 pmSeattle/Tacoma Intl

Jan 27

SEA8:35 amSeattle/Tacoma Intl

17h 15m

2 stops

BRU10:50 amBrussels Bruxelles-National

$704

Fly from

Fly to

Route

Depart

Return

Price

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Thu 2/5

12:50 pm-5:00 pm

1 stop13h 10m

Seattle/Tacoma Intl

Wed 2/18

2:35 pm-11:55 am

1 stop12h 20m

$512

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Thu 2/26

12:50 pm-5:00 pm

1 stop13h 10m

Seattle/Tacoma Intl

Thu 3/5

2:35 pm-11:55 am

1 stop12h 20m

$530

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Thu 2/5

12:50 pm-5:00 pm

1 stop13h 10m

Seattle/Tacoma Intl

Wed 2/18

2:35 pm-11:55 am

1 stop12h 20m

$531

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Thu 4/9

1:50 pm-5:55 pm

1 stop13h 05m

Seattle/Tacoma Intl

Tue 4/21

7:00 pm-12:55 pm

1 stop32h 55m

$543

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Thu 5/7

1:50 pm-8:40 pm

1 stop15h 50m

Seattle/Tacoma Intl

Fri 5/29

3:40 pm-12:55 pm

1 stop12h 15m

$563

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Wed 5/6

1:50 pm-5:55 pm

1 stop13h 05m

Seattle/Tacoma Intl

Thu 5/28

7:00 pm-12:55 pm

1 stop32h 55m

$565

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Thu 2/26

9:25 am-5:00 pm

2 stops16h 35m

Seattle/Tacoma Intl

Thu 3/5

2:35 pm-5:55 pm

2 stops18h 20m

$568

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Tue 6/2

10:55 am-6:25 pm

1 stop16h 30m

Seattle/Tacoma Intl

Thu 6/18

1:35 pm-8:40 pm

1 stop22h 05m

$578

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Wed 6/10

9:15 pm-11:35 am

1 stop23h 20m

Seattle/Tacoma Intl

Tue 6/30

8:20 pm-8:25 pm

1 stop15h 05m

$596

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Thu 6/11

10:50 am-6:25 pm

1 stop16h 35m

Seattle/Tacoma Intl

Tue 6/16

1:35 pm-3:15 pm

1 stop16h 40m

$611

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Brussels 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

Prices

Airlines

What is the cheapest month to fly to Seattle?

In general, December is the cheapest month to fly from Brussels to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $597. If you don’t want to visit Seattle in December, then you should wait until March to fly from Brussels, when ticket prices are also cheap, with an average price of $667.

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

You are more likely to see cheaper flights to Seattle from Brussels when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $720 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Brussels for as low as $669 on momondo.

Cheap Brussels to Seattle flight deals and tips

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

Fastest flight time	13h 10m
Direct flights	None

The fastest flight from Brussels to Seattle takes 13h 10m

There are no direct flights from Brussels to Seattle. There are no popular flight routes from Brussels to Seattle.

Search flight deals

How far is Brussels to Seattle/Tacoma Intl by plane?
Brussels and Seattle/Tacoma Intl are 4931.7 mi apart from one another. In terms of flight time, this usually takes a little over 13h 10m.
When did momondo last update prices for flights from Brussels to Seattle/Tacoma Intl Airport?
Prices for flights from Brussels to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Brussels to Seattle/Tacoma Intl Airport?
As of January 2026, there are 6 operators available to choose from for flights from Brussels to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Brussels to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Brussels to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Brussels to Seattle

Compare and see reviews for airlines that fly from Brussels to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $586	Free Cancellation	Rating 7.1 596 reviews	Search Icelandair flights
British Airways	PriceFrom $592	Free Cancellation	Rating 6.7 7,671 reviews	Search British Airways flights
United Airlines	PriceFrom $597	Free Cancellation	Rating 7.4 9,156 reviews	Search United Airlines flights
KLM	PriceFrom $605	Free Cancellation	Rating 7.7 1,437 reviews	Search KLM flights
Delta	PriceFrom $616	Free Cancellation	Rating 7.9 8,040 reviews	Search Delta flights
Lufthansa	PriceFrom $687	Free Cancellation	Rating 6.8 7,711 reviews	Search Lufthansa flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Puyallup

Redmond

Tukwila

Cle Elum

Lakewood

Federal Way

Fife

Kirkland

Westport

Centralia

Shoreline

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. All flights to Seattle from Brussels on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Seattle from Brussels. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Brussels to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.