What airlines fly to Brussels?

Icelandair, Lufthansa and United Airlines are the top three most popular airlines that fly to Brussels from State of Washington according to our data. Icelandair is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Brussels. Keep in mind that there are 6 different airlines that fly to Brussels on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Washington to Brussels?

Icelandair, Air Canada, and United Airlines are the most popular carriers operating from Washington to Brussels

When did momondo last update prices for flights from Washington to Brussels?

Prices for flights from Washington to Brussels are refreshed on a daily basis.

How many operators does momondo search for flights from Washington to Brussels?

The number of operators available for flights from Washington to Brussels is 6 as of August 2026.

How old do you have to be to fly from Washington to Brussels?

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 Washington to Brussels.

What documentation or ID do you need to fly to Brussels?

The travel and health documents you'll need for your trip to Brussels may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Brussels. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$238 Cheap Flights from Washington to Brussels in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington to Brussels

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:40 pm - 12:55 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

12h 15m1 stop Reykjavik Keflavik Intl

1:50 pm - 8:40 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

15h 50m1 stop Reykjavik Keflavik Intl

$552Icelandair

Sun, Oct 4 - Sun, Oct 18

3:40 pm - 12:55 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

12h 15m1 stop Reykjavik Keflavik Intl

1:50 pm - 5:55 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

13h 05m1 stop Reykjavik Keflavik Intl

$552Icelandair

Sat, Oct 3 - Mon, Oct 12

3:55 pm - 8:30 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

19h 35m2 stops Kastrup Copenhagen Oslo Gardermoen

11:20 am - 1:45 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

35h 25m2 stops Oslo Gardermoen Kastrup Copenhagen

$669Scandinavian Airlines

Tue, Sep 15 - Thu, Sep 24

3:15 pm - 8:10 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

19h 55m2 stops Vancouver Intl London Heathrow

6:45 am - 1:00 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

15h 15m1 stop Munich Franz Josef Strauss

$694Multiple Airlines

Tue, Dec 1 - Fri, Dec 11

2:50 pm - 7:55 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

20h 05m1 stop Munich Franz Josef Strauss

7:00 am - 12:00 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

14h 00m1 stop Frankfurt am Main

$710Lufthansa

Sun, Nov 1 - Sun, Nov 8

8:00 am - 1:15 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

20h 15m2 stops Washington, D.C. Dulles Intl London Heathrow

7:00 am - 12:00 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

14h 00m1 stop Frankfurt am Main

$720United Airlines

Wed, Dec 2 - Wed, Dec 9

5:05 am - 1:15 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

23h 10m2 stops Denver Intl London Heathrow

7:00 am - 12:00 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

14h 00m1 stop Frankfurt am Main

$720United Airlines

Sun, Nov 29 - Wed, Dec 9

6:00 am - 11:00 amSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

20h 00m1 stop Atlanta Hartsfield-Jackson

2:45 pm - 11:50 amBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

30h 05m1 stop Amsterdam Schiphol

$725Delta

Tue, Dec 1 - Tue, Dec 8

6:00 am - 11:00 amSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

20h 00m1 stop Atlanta Hartsfield-Jackson

8:05 am - 11:47 amBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

12h 42m1 stop Amsterdam Schiphol

$725Delta

Tue, Nov 3 - Tue, Nov 10

2:50 pm - 1:10 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

13h 20m1 stop Munich Franz Josef Strauss

7:00 am - 12:00 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

14h 00m1 stop Frankfurt am Main

$732Lufthansa

Wed, Dec 2 - Sat, Dec 12

Cheap last minute flights

Enter your travel dates to find the best prices.

11:11 pm - 9:00 amSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

24h 49m1 stop Chicago O'Hare Intl

9:10 am - 10:05 amBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

33h 55m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

$925Multiple Airlines

Mon, Aug 10 - Thu, Sep 10

11:40 pm - 9:00 amPDX Portland-BRU Brussels Bruxelles-National

24h 20m1 stop Chicago O'Hare Intl

9:30 am - 9:31 amBRU Brussels Bruxelles-National-PDX Portland

33h 01m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

$925Multiple Airlines

Mon, Aug 10 - Fri, Aug 21

6:50 pm - 4:15 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

12h 25m1 stop Munich Franz Josef Strauss

9:30 am - 2:22 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

37h 52m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

$933Lufthansa

Tue, Aug 11 - Sun, Aug 30

2:10 pm - 1:40 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

14h 30m1 stop Frankfurt am Main

6:20 am - 11:55 amBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

14h 35m1 stop Frankfurt am Main

$933Lufthansa

Mon, Aug 10 - Thu, Sep 10

5:15 am - 1:15 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

23h 00m2 stops San Francisco London Heathrow

6:20 am - 11:55 amBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

14h 35m1 stop Frankfurt am Main

$936United Airlines

Sun, Aug 9 - Fri, Aug 28

2:33 pm - 8:00 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

20h 27m2 stops Denver Intl London Heathrow

8:35 am - 11:55 amBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

12h 20m1 stop Frankfurt am Main

$936United Airlines

Mon, Aug 10 - Thu, Aug 27

6:00 am - 7:40 amSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

16h 40m1 stop Atlanta Hartsfield-Jackson

3:10 pm - 4:35 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

34h 25m1 stop Amsterdam Schiphol

$940Delta

Sun, Aug 9 - Wed, Sep 2

7:16 am - 7:40 amSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

15h 24m1 stop Atlanta Hartsfield-Jackson

3:10 pm - 11:47 amBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

29h 37m1 stop Amsterdam Schiphol

$940Delta

Mon, Aug 10 - Mon, Aug 31

11:25 pm - 12:55 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

28h 30m1 stop Reykjavik Keflavik Intl

1:50 pm - 8:40 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

15h 50m1 stop Reykjavik Keflavik Intl

$1,093Icelandair

Mon, Aug 10 - Fri, Aug 28

11:25 pm - 12:55 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

28h 30m1 stop Reykjavik Keflavik Intl

1:50 pm - 8:40 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

15h 50m1 stop Reykjavik Keflavik Intl

$1,093Icelandair

Mon, Aug 10 - Tue, Sep 1

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Air Canada flights from State of Washington to Brussels

Our best Air Canada deals on State of Washington to Brussels flight tickets

Air Canada

Nov 3

SEA3:15 pmSeattle/Tacoma Intl

19h 55m

2 stops

BRU8:10 pmBrussels Bruxelles-National

Nov 10

BRU10:00 amBrussels Bruxelles-National

37h 37m

2 stops

SEA2:37 pmSeattle/Tacoma Intl

$712

Air Canada

Nov 30

SEA3:15 pmSeattle/Tacoma Intl

19h 55m

2 stops

BRU8:10 pmBrussels Bruxelles-National

Dec 10

BRU10:00 amBrussels Bruxelles-National

32h 27m

2 stops

SEA9:27 amSeattle/Tacoma Intl

$713

Air Canada

Nov 30

SEA10:10 amSeattle/Tacoma Intl

25h 00m

2 stops

BRU8:10 pmBrussels Bruxelles-National

Dec 8

BRU8:25 amBrussels Bruxelles-National

22h 32m

2 stops

SEA9:57 pmSeattle/Tacoma Intl

$716

Icelandair flights from State of Washington to Brussels

Our best Icelandair deals on State of Washington to Brussels flight tickets

Icelandair

Oct 3

SEA3:40 pmSeattle/Tacoma Intl

12h 15m

1 stop

BRU12:55 pmBrussels Bruxelles-National

Oct 12

BRU1:50 pmBrussels Bruxelles-National

13h 05m

1 stop

SEA5:55 pmSeattle/Tacoma Intl

$552

Icelandair

Nov 30

SEA2:35 pmSeattle/Tacoma Intl

12h 20m

1 stop

BRU11:55 amBrussels Bruxelles-National

Dec 10

BRU12:50 pmBrussels Bruxelles-National

13h 10m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

$557

Icelandair

Oct 11

SEA3:40 pmSeattle/Tacoma Intl

12h 15m

1 stop

BRU12:55 pmBrussels Bruxelles-National

Oct 24

BRU1:50 pmBrussels Bruxelles-National

13h 05m

1 stop

SEA5:55 pmSeattle/Tacoma Intl

$559

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBrussels

SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National

SEABRU

Seattle/Tacoma Intl

Sun 10/4

3:40 pm-12:55 pm

1 stop12h 15m

Brussels Bruxelles-National

Sun 10/18

1:50 pm-8:40 pm

1 stop15h 50m

$552

Quickest round-trip

SeattleBrussels

SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National

SEABRU

Seattle/Tacoma Intl

Sat 10/3

3:40 pm-12:55 pm

1 stop12h 15m

Brussels Bruxelles-National

Mon 10/12

1:50 pm-5:55 pm

1 stop13h 05m

$552

SeattleBrussels

SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National

SEABRU

Seattle/Tacoma Intl

Tue 9/15

3:55 pm-8:30 pm

2 stops19h 35m

Brussels Bruxelles-National

Thu 9/24

11:20 am-1:45 pm

2 stops35h 25m

$669

SeattleBrussels

SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National

SEABRU

Seattle/Tacoma Intl

Tue 12/1

3:15 pm-8:10 pm

2 stops19h 55m

Brussels Bruxelles-National

Fri 12/11

6:45 am-1:00 pm

1 stop15h 15m

$694

SeattleBrussels

SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National

SEABRU

Seattle/Tacoma Intl

Sun 11/1

2:50 pm-7:55 pm

1 stop20h 05m

Brussels Bruxelles-National

Sun 11/8

7:00 am-12:00 pm

1 stop14h 00m

$710

SeattleBrussels

SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National

SEABRU

Seattle/Tacoma Intl

Wed 12/2

8:00 am-1:15 pm

2 stops20h 15m

Brussels Bruxelles-National

Wed 12/9

7:00 am-12:00 pm

1 stop14h 00m

$720

SeattleBrussels

SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National

SEABRU

Seattle/Tacoma Intl

Sun 11/29

5:05 am-1:15 pm

2 stops23h 10m

Brussels Bruxelles-National

Wed 12/9

7:00 am-12:00 pm

1 stop14h 00m

$720

SeattleBrussels

SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National

SEABRU

Seattle/Tacoma Intl

Tue 12/1

6:00 am-11:00 am

1 stop20h 00m

Brussels Bruxelles-National

Tue 12/8

2:45 pm-11:50 am

1 stop30h 05m

$725

SeattleBrussels

SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National

SEABRU

Seattle/Tacoma Intl

Tue 11/3

6:00 am-11:00 am

1 stop20h 00m

Brussels Bruxelles-National

Tue 11/10

8:05 am-11:47 am

1 stop12h 42m

$725

SeattleBrussels

SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National

SEABRU

Seattle/Tacoma Intl

Wed 12/2

2:50 pm-1:10 pm

1 stop13h 20m

Brussels Bruxelles-National

Sat 12/12

7:00 am-12:00 pm

1 stop14h 00m

$732

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 State of Washington to Brussels

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 Brussels?

In general, January is the cheapest month to fly from State of Washington to Brussels. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $510. If you are unable to visit Brussels during the month of January, then departing from State of Washington during the month February is also very affordable. Most momondo users find prices during this month for around $556.

How far in advance should I book a flight from Washington to Brussels?

You are more likely to see cheaper flights to Brussels from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels for around $701 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels from State of Washington for as low as $503 on momondo.

Cheap State of Washington to Brussels flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Brussels

Fastest flight time	12h 15m
Direct flights	None

The fastest flight from State of Washington to Brussels takes 12h 15m

There are no direct flights from State of Washington to Brussels. There are no popular flight routes from State of Washington to Brussels.

Search flight deals

Frequently asked questions about flying from Washington to Brussels

When did momondo last update prices for flights from Washington to Brussels?
Prices for flights from Washington to Brussels are refreshed on a daily basis.
How many operators does momondo search for flights from Washington to Brussels?
The number of operators available for flights from Washington to Brussels is 6 as of August 2026.
How old do you have to be to fly from Washington to Brussels?
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 Washington to Brussels.
What documentation or ID do you need to fly to Brussels?
The travel and health documents you'll need for your trip to Brussels may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Brussels. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from State of Washington to Brussels

Compare and see reviews for airlines that fly from State of Washington to Brussels with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $382	Free Cancellation	Rating 7.0 721 reviews	Search Icelandair flights
British Airways	PriceFrom $421	Free Cancellation	Rating 6.7 8,150 reviews	Search British Airways flights
KLM	PriceFrom $481	Free Cancellation	Rating 7.8 1,555 reviews	Search KLM flights
Lufthansa	PriceFrom $494	Free Cancellation	Rating 6.8 8,178 reviews	Search Lufthansa flights
United Airlines	PriceFrom $502	Free Cancellation	Rating 7.4 10,080 reviews	Search United Airlines flights
Delta	PriceFrom $509	Free Cancellation	Rating 7.8 8,497 reviews	Search Delta flights

Why use momondo?

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

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 Brussels from Washington.

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

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

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

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

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

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

An easier way to manage your Brussels trip

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Fly into one of these airports located in Brussels

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Charleroi Brussels Airport

Cheap flights from Washington to Brussels from $238

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Brussels departing on 10/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Washington to Brussels

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Air Canada flights from State of Washington to Brussels

Our best Air Canada deals on State of Washington to Brussels flight tickets

Icelandair flights from State of Washington to Brussels

Our best Icelandair deals on State of Washington to Brussels flight tickets

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See travel insights to Brussels from

How to get the cheapest flight ticket from State of Washington to Brussels

What is the cheapest month to fly to Brussels?

How far in advance should I book a flight from Washington to Brussels?

What is the cheapest airline that flies from Washington to Brussels?

What airlines fly to Brussels?

Cheap State of Washington to Brussels flight deals and tips

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington to Brussels

Best airlines flying from State of Washington to Brussels

Compare and see reviews for airlines that fly from State of Washington to Brussels with momondo

Why use momondo?

An easier way to manage your Brussels trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Belgium

Fly into one of these airports located in Brussels

Airports listed have a maximum distance of 27.4 mi from Brussels

Fly your favorite airline to Brussels

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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