What airlines fly to Brussels?

Lufthansa, Icelandair and United Airlines are the top three most popular airlines that fly to Brussels from State of Washington according to our data. Lufthansa 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 7 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?

British Airways and Scandinavian 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 7 as of November 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.

$453 Cheap Flights from Washington to Brussels in 2026/27

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.

2:35 pm - 11:55 amSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

12h 20m1 stop Reykjavik Keflavik Intl

12:50 pm - 5:00 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

13h 10m1 stop Reykjavik Keflavik Intl

$577Icelandair

Mon, Nov 23 - Tue, Dec 8

2:35 pm - 11:55 amSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

12h 20m1 stop Reykjavik Keflavik Intl

12:50 pm - 5:00 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

13h 10m1 stop Reykjavik Keflavik Intl

$578Icelandair

Mon, Nov 23 - Tue, Dec 8

11:00 am - 2:15 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

18h 15m2 stops Chicago O'Hare Intl Zurich

9:40 am - 5:05 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

16h 25m2 stops Zurich Munich Franz Josef Strauss

$725SWISS

Tue, Apr 20 - Fri, Apr 30

8:00 am - 7:25 amSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

14h 25m1 stop Washington, D.C. Dulles Intl

7:00 am - 2:15 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

16h 15m2 stops Frankfurt am Main Vancouver Intl

$731Multiple Airlines

Tue, May 4 - Wed, May 12

3:15 pm - 3:55 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

15h 40m2 stops Vancouver Intl Munich Franz Josef Strauss

7:00 am - 12:20 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

14h 20m1 stop Frankfurt am Main

$736Lufthansa

Tue, Apr 20 - Fri, Apr 30

5:00 am - 7:15 amGEG Spokane-BRU Brussels Bruxelles-National

41h 15m2 stops Denver Intl Washington, D.C. Dulles Intl

9:30 am - 10:55 amBRU Brussels Bruxelles-National-GEG Spokane

58h 25m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$748United Airlines

Sun, Apr 25 - Wed, Apr 28

4:00 pm - 7:45 amGEG Spokane-BRU Brussels Bruxelles-National

30h 45m2 stops Denver Intl Newark

9:30 am - 10:55 amBRU Brussels Bruxelles-National-GEG Spokane

58h 25m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$748United Airlines

Sun, Apr 25 - Wed, Apr 28

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

16h 40m1 stop Atlanta Hartsfield-Jackson

10:25 am - 11:33 amBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

34h 08m1 stop Amsterdam Schiphol

$793Delta

Wed, Mar 31 - Mon, Apr 12

10:55 pm - 7:40 amSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

23h 45m1 stop Atlanta Hartsfield-Jackson

3:10 pm - 4:20 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

34h 10m1 stop Amsterdam Schiphol

$793Delta

Tue, Mar 30 - Mon, Apr 12

2:10 pm - 2:20 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

15h 10m1 stop Frankfurt am Main

10:55 am - 5:05 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

15h 10m1 stop Munich Franz Josef Strauss

$795Lufthansa

Fri, Apr 16 - Fri, Apr 23

Cheap last minute flights

Enter your travel dates to find the best prices.

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

19h 55m2 stops Vancouver Intl London Heathrow

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

14h 00m1 stop Frankfurt am Main

$874Multiple Airlines

Thu, Nov 12 - Thu, Nov 19

2:50 pm - 10:40 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

22h 50m1 stop Munich Franz Josef Strauss

8:25 am - 2:37 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

15h 12m2 stops Frankfurt am Main Vancouver Intl

$878Lufthansa

Fri, Nov 13 - Fri, Nov 20

2:50 pm - 10:40 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

22h 50m1 stop Munich Franz Josef Strauss

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

15h 15m1 stop Munich Franz Josef Strauss

$880Lufthansa

Fri, Nov 13 - Fri, Nov 20

1:50 pm - 5:30 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

18h 40m1 stop Frankfurt am Main

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

14h 00m1 stop Frankfurt am Main

$888Lufthansa

Thu, Nov 12 - Thu, Nov 19

7:45 am - 1:15 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

20h 30m2 stops Toronto Pearson Intl London Heathrow

7:00 am - 2:37 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

16h 37m2 stops Frankfurt am Main Vancouver Intl

$889Multiple Airlines

Fri, Nov 13 - Fri, Nov 20

10:10 am - 8:10 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

25h 00m2 stops Vancouver Intl London Heathrow

10:00 am - 9:57 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

20h 57m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

$895Air Canada

Thu, Nov 12 - Thu, Nov 19

7:45 am - 7:50 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

27h 05m3 stops Toronto Pearson Intl Munich Franz Josef Strauss Kastrup Copenhagen

3:10 pm - 12:00 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

29h 50m2 stops Kastrup Copenhagen Frankfurt am Main

$1,169Multiple Airlines

Fri, Nov 13 - Fri, Nov 20

2:35 pm - 8:15 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

20h 40m3 stops Reykjavik Keflavik Intl London Heathrow Frankfurt am Main

5:45 pm - 5:00 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

32h 15m3 stops Vienna Intl London Heathrow Reykjavik Keflavik Intl

$1,509Multiple Airlines

Fri, Nov 13 - Fri, Nov 20

10:10 am - 8:10 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

25h 00m2 stops Vancouver Intl London Heathrow

7:30 pm - 5:00 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

30h 30m3 stops Frankfurt am Main Kastrup Copenhagen Reykjavik Keflavik Intl

$1,532Multiple Airlines

Thu, Nov 12 - Thu, Nov 19

6:30 am - 4:10 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

24h 40m3 stops Newark Lisbon Humberto Delgado Porto

10:15 am - 9:39 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

44h 24m3 stops Porto Lisbon Humberto Delgado Newark

$2,752TAP AIR PORTUGAL

Thu, Nov 12 - Thu, Nov 19

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Icelandair flights from State of Washington to Brussels

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

Icelandair

Nov 23

SEA2:35 pmSeattle/Tacoma Intl

12h 20m

1 stop

BRU11:55 amBrussels Bruxelles-National

Dec 8

BRU12:50 pmBrussels Bruxelles-National

13h 10m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

$577

Icelandair

Nov 23

SEA2:35 pmSeattle/Tacoma Intl

12h 20m

1 stop

BRU11:55 amBrussels Bruxelles-National

Dec 8

BRU12:50 pmBrussels Bruxelles-National

13h 10m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

$578

Icelandair

Feb 3

SEA2:35 pmSeattle/Tacoma Intl

12h 20m

1 stop

BRU11:55 amBrussels Bruxelles-National

Feb 7

BRU12:50 pmBrussels Bruxelles-National

13h 10m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

$632

SWISS flights from State of Washington to Brussels

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

SWISS

Apr 20

SEA11:00 amSeattle/Tacoma Intl

18h 15m

2 stops

BRU2:15 pmBrussels Bruxelles-National

Apr 30

BRU9:40 amBrussels Bruxelles-National

16h 25m

2 stops

SEA5:05 pmSeattle/Tacoma Intl

$725

SWISS

Apr 16

SEA6:35 pmSeattle/Tacoma Intl

15h 00m

2 stops

BRU6:35 pmBrussels Bruxelles-National

Apr 23

BRU9:40 amBrussels Bruxelles-National

16h 25m

2 stops

SEA5:05 pmSeattle/Tacoma Intl

$782

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Brussels that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SeattleBrussels

SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National

SEABRU

Seattle/Tacoma Intl

Mon 11/23

2:35 pm-11:55 am

1 stop12h 20m

Brussels Bruxelles-National

Tue 12/8

12:50 pm-5:00 pm

1 stop13h 10m

$577

SeattleBrussels

SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National

SEABRU

Seattle/Tacoma Intl

Mon 11/23

2:35 pm-11:55 am

1 stop12h 20m

Brussels Bruxelles-National

Tue 12/8

12:50 pm-5:00 pm

1 stop13h 10m

$578

SeattleBrussels

SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National

SEABRU

Seattle/Tacoma Intl

Tue 4/20

11:00 am-2:15 pm

2 stops18h 15m

Brussels Bruxelles-National

Fri 4/30

9:40 am-5:05 pm

2 stops16h 25m

$725

SeattleBrussels

SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National

SEABRU

Seattle/Tacoma Intl

Tue 5/4

8:00 am-7:25 am

1 stop14h 25m

Brussels Bruxelles-National

Wed 5/12

7:00 am-2:15 pm

2 stops16h 15m

$731

SeattleBrussels

SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National

SEABRU

Seattle/Tacoma Intl

Tue 4/20

3:15 pm-3:55 pm

2 stops15h 40m

Brussels Bruxelles-National

Fri 4/30

7:00 am-12:20 pm

1 stop14h 20m

$736

SpokaneBrussels

GEG Spokane - BRU Brussels Bruxelles-National

GEGBRU

Spokane

Sun 4/25

5:00 am-7:15 am

2 stops41h 15m

Brussels Bruxelles-National

Wed 4/28

9:30 am-10:55 am

2 stops58h 25m

$748

SpokaneBrussels

GEG Spokane - BRU Brussels Bruxelles-National

GEGBRU

Spokane

Sun 4/25

4:00 pm-7:45 am

2 stops30h 45m

Brussels Bruxelles-National

Wed 4/28

9:30 am-10:55 am

2 stops58h 25m

$748

SeattleBrussels

SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National

SEABRU

Seattle/Tacoma Intl

Wed 3/31

6:00 am-7:40 am

1 stop16h 40m

Brussels Bruxelles-National

Mon 4/12

10:25 am-11:33 am

1 stop34h 08m

$793

SeattleBrussels

SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National

SEABRU

Seattle/Tacoma Intl

Tue 3/30

10:55 pm-7:40 am

1 stop23h 45m

Brussels Bruxelles-National

Mon 4/12

3:10 pm-4:20 pm

1 stop34h 10m

$793

SeattleBrussels

SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National

SEABRU

Seattle/Tacoma Intl

Fri 4/16

2:10 pm-2:20 pm

1 stop15h 10m

Brussels Bruxelles-National

Fri 4/23

10:55 am-5:05 pm

1 stop15h 10m

$795

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, February 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 February, then departing from State of Washington during the month April is also very affordable. Most momondo users find prices during this month for around $579.

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 $800 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 $584 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

Best Price Found	$453
Fastest flight time	12h 10m
Direct flights	None

The best one-way flight to Brussels from State of Washington in the past 72 hours is $453. The best round-trip flight deal from State of Washington to Brussels found on momondo in the last 72 hours is $577.

The fastest flight from State of Washington to Brussels takes 12h 10m

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 7 as of November 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 $412	Free Cancellation	Rating 6.9 767 reviews	Search Icelandair flights
British Airways	PriceFrom $421	Free Cancellation	Rating 6.7 8,286 reviews	Search British Airways flights
KLM	PriceFrom $481	Free Cancellation	Rating 7.8 1,595 reviews	Search KLM flights
Lufthansa	PriceFrom $496	Free Cancellation	Rating 6.8 8,290 reviews	Search Lufthansa flights
Delta	PriceFrom $509	Free Cancellation	Rating 7.8 8,700 reviews	Search Delta flights
United Airlines	PriceFrom $543	Free Cancellation	Rating 7.3 10,476 reviews	Search United Airlines flights
Turkish Airlines	PriceFrom $638	Free Cancellation	Rating 7.4 4,467 reviews	Search Turkish Airlines 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.

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Complete your trip

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Fly into one of these airports located in Brussels

Brussels Bruxelles-National Airport

Charleroi Brussels Airport

Cheap flights from Washington to Brussels from $453

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 12/1. 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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

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Icelandair flights from State of Washington to Brussels

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

SWISS flights from State of Washington to Brussels

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

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Brussels that are best for you.

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

Best Price Found

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

Fly to other destinations from Washington

According to popular flight searches on momondo this year

Complete your trip to Brussels

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According to popular flight searches on momondo this year