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Cheap flights from Washington to Brussels from $201

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 11/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington to Brussels

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:21 am - 9:35 amSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
16h 14m2 stops Toronto Pearson Intl Dublin
Multiple Airlines Logo
10:15 am - 7:43 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
18h 28m2 stops Dublin Toronto Pearson Intl
$533Multiple Airlines
Sun, Feb 7 - Sun, Feb 14
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
$554Icelandair
Sat, Oct 3 - Fri, Oct 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
$557Icelandair
Wed, Dec 2 - Sun, Dec 13
Multiple Airlines Logo
3:15 pm - 8:10 pmSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
19h 55m2 stops Vancouver Intl London Heathrow
Multiple Airlines Logo
9:10 am - 1:00 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
12h 50m1 stop Munich Franz Josef Strauss
$690Multiple Airlines
Sun, Nov 1 - Fri, Dec 18
Lufthansa Logo
2:50 pm - 1:10 pmSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
13h 20m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:45 am - 1:00 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
15h 15m1 stop Munich Franz Josef Strauss
$707Lufthansa
Sun, Nov 1 - Fri, Dec 18
Lufthansa Logo
10:10 am - 7:50 amSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
36h 40m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
Lufthansa Logo
10:00 am - 9:27 amBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
32h 27m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
$707Lufthansa
Tue, Nov 3 - Tue, Nov 10
United Airlines Logo
11:00 am - 1:15 pmSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
17h 15m2 stops Chicago O'Hare Intl London Heathrow
United Airlines Logo
7:00 am - 12:00 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
14h 00m1 stop Frankfurt am Main
$720United Airlines
Tue, Dec 1 - Thu, Dec 10
United Airlines Logo
10:56 pm - 1:15 pmSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
29h 19m2 stops Chicago O'Hare Intl London Heathrow
United Airlines Logo
7:00 am - 12:00 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
14h 00m1 stop Frankfurt am Main
$720United Airlines
Mon, Nov 30 - Thu, Dec 10
Delta Logo
8:25 am - 11:00 amSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
17h 35m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:55 pm - 11:59 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
20h 04m1 stop Atlanta Hartsfield-Jackson
$733Delta
Thu, Dec 3 - Fri, Dec 11
Delta Logo
6:00 am - 11:00 amSEA  Seattle/Tacoma Intl-BRU Brussels Bruxelles-National
20h 00m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:55 pm - 11:59 pmBRU  Brussels Bruxelles-National-SEA Seattle/Tacoma Intl
20h 04m1 stop Atlanta Hartsfield-Jackson
$739Delta
Thu, Dec 3 - Sun, Dec 13

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Icelandair flights from State of Washington to Brussels Bruxelles-National Airport

Our best Icelandair deals on State of Washington to Brussels Bruxelles-National Airport flight tickets
Icelandair
Oct 3
SEA7:00 pmSeattle/Tacoma Intl
32h 55m
1 stop
BRU12:55 pmBrussels Bruxelles-National
Oct 16
BRU1:50 pmBrussels Bruxelles-National
15h 50m
1 stop
SEA8:40 pmSeattle/Tacoma Intl
$554
Icelandair
Dec 2
SEA2:35 pmSeattle/Tacoma Intl
12h 20m
1 stop
BRU11:55 amBrussels Bruxelles-National
Dec 13
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
$560

United Airlines flights from State of Washington to Brussels Bruxelles-National Airport

Our best United Airlines deals on State of Washington to Brussels Bruxelles-National Airport flight tickets
United Airlines
Jan 15
PDX10:56 pmPortland
47h 54m
2 stops
BRU7:50 amBrussels Bruxelles-National
Jan 22
BRU11:15 amBrussels Bruxelles-National
19h 06m
1 stop
PDX9:21 pmPortland
$787
United Airlines
Sep 30
PDX10:43 amPortland
17h 32m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Oct 21
BRU9:10 amBrussels Bruxelles-National
35h 23m
2 stops
PDX11:33 amPortland
$804
United Airlines
Sep 30
PDX7:02 amPortland
16h 58m
1 stop
BRU9:00 amBrussels Bruxelles-National
Oct 21
BRU9:10 amBrussels Bruxelles-National
35h 23m
2 stops
PDX11:33 amPortland
$807

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Brussels Bruxelles-National Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 11, 2026.
Use the filters below to find and compare flights from Washington to Brussels Bruxelles-National Airport that are best for you.

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 2/7

8:21 am-9:35 am

2 stops16h 14m

Brussels Bruxelles-National

Sun 2/14

10:15 am-7:43 pm

2 stops18h 28m

$533

SeattleBrussels

SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National

SEABRU

Seattle/Tacoma Intl

Sat 10/3

7:00 pm-12:55 pm

1 stop32h 55m

Brussels Bruxelles-National

Fri 10/16

1:50 pm-8:40 pm

1 stop15h 50m

$554
Quickest round-trip

SeattleBrussels

SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National

SEABRU

Seattle/Tacoma Intl

Wed 12/2

2:35 pm-11:55 am

1 stop12h 20m

Brussels Bruxelles-National

Sun 12/13

12:50 pm-5:00 pm

1 stop13h 10m

$557

SeattleBrussels

SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National

SEABRU

Seattle/Tacoma Intl

Sun 11/1

3:15 pm-8:10 pm

2 stops19h 55m

Brussels Bruxelles-National

Fri 12/18

9:10 am-1:00 pm

1 stop12h 50m

$690

SeattleBrussels

SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National

SEABRU

Seattle/Tacoma Intl

Sun 11/1

2:50 pm-1:10 pm

1 stop13h 20m

Brussels Bruxelles-National

Fri 12/18

6:45 am-1:00 pm

1 stop15h 15m

$707

SeattleBrussels

SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National

SEABRU

Seattle/Tacoma Intl

Tue 11/3

10:10 am-7:50 am

2 stops36h 40m

Brussels Bruxelles-National

Tue 11/10

10:00 am-9:27 am

2 stops32h 27m

$707

SeattleBrussels

SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National

SEABRU

Seattle/Tacoma Intl

Tue 12/1

11:00 am-1:15 pm

2 stops17h 15m

Brussels Bruxelles-National

Thu 12/10

7:00 am-12:00 pm

1 stop14h 00m

$720

SeattleBrussels

SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National

SEABRU

Seattle/Tacoma Intl

Mon 11/30

10:56 pm-1:15 pm

2 stops29h 19m

Brussels Bruxelles-National

Thu 12/10

7:00 am-12:00 pm

1 stop14h 00m

$720

SeattleBrussels

SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National

SEABRU

Seattle/Tacoma Intl

Thu 12/3

8:25 am-11:00 am

1 stop17h 35m

Brussels Bruxelles-National

Fri 12/11

12:55 pm-11:59 pm

1 stop20h 04m

$733

SeattleBrussels

SEA Seattle/Tacoma Intl - BRU Brussels Bruxelles-National

SEABRU

Seattle/Tacoma Intl

Thu 12/3

6:00 am-11:00 am

1 stop20h 00m

Brussels Bruxelles-National

Sun 12/13

12:55 pm-11:59 pm

1 stop20h 04m

$739

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Brussels from

How to get the cheapest flight ticket from State of Washington to Brussels Bruxelles-National Airport

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 Brussels Bruxelles-National Airport?

The cheapest month to fly to Brussels Bruxelles-National Airport from State of Washington is in January. Flight prices, which tend to average around $510, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Brussels Bruxelles-National Airport from State of Washington during February instead. Flights to Brussels Bruxelles-National Airport in February, while not as cheap as those in January, still average around $556.

How far in advance should I book a flight from Washington to Brussels Bruxelles-National Airport?

You are more likely to see cheaper flights to Brussels Bruxelles-National Airport from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels Bruxelles-National Airport for around $702 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels Bruxelles-National Airport from State of Washington for as low as $503 on momondo.

Can stopping save me money on State of Washington to Brussels Bruxelles-National Airport flights?

You could potentially save up to 23% on your flight if you consider stops on a State of Washington to Brussels Bruxelles-National Airport flight.

Cheap State of Washington to Brussels Bruxelles-National Airport flight deals and tips

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

Fastest flight time

12h 15m

Direct flights

None
The fastest flight from State of Washington to Brussels Bruxelles-National Airport takes 12h 15m
There are no direct flights from State of Washington to Brussels Bruxelles-National Airport. There are no popular flight routes from State of Washington to Brussels Bruxelles-National Airport.
Search flight deals

Frequently asked questions about flying from Washington to Brussels Bruxelles-National Airport

  • When did momondo last update prices for flights from Washington to Brussels Bruxelles-National Airport?

    Prices for flights from Washington to Brussels Bruxelles-National Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington to Brussels Bruxelles-National Airport?

  • How old do you have to be to fly from Washington to Brussels Bruxelles-National 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 Washington to Brussels Bruxelles-National Airport.

  • What documentation or ID do you need to fly to Brussels Bruxelles-National Airport?

    The travel and health documents you'll need for your trip to Brussels Bruxelles-National Airport 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 Bruxelles-National Airport. 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 Bruxelles-National Airport

Compare and see reviews for airlines that fly from State of Washington to Brussels Bruxelles-National Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $382Free CancellationRating
6.9
728 reviews
Search Icelandair flights
British AirwaysPriceFrom $421Free CancellationRating
6.7
8,159 reviews
Search British Airways flights
KLMPriceFrom $481Free CancellationRating
7.8
1,556 reviews
Search KLM flights
LufthansaPriceFrom $494Free CancellationRating
6.8
8,181 reviews
Search Lufthansa flights
United AirlinesPriceFrom $502Free CancellationRating
7.4
10,106 reviews
Search United Airlines flights
DeltaPriceFrom $509Free CancellationRating
7.8
8,505 reviews
Search Delta flights

Traveling to a place near Brussels?

Book flights to Brussels if you plan to visit one of these locations
Bruges
Ghent
Leuven
Dinant
Mons
Durbuy
Zaventem
Charleroi
Genk
Aalst
Waterloo
Namur
Knokke-Heist
Spa
Hasselt
Mechelen
Francorchamps
Halle

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington to Brussels for you.

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

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

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

Once you have performed a search for Washington to Brussels flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Brussels, momondo offers a useful price alert feature which will track prices for flights to Brussels from Washington and alert you when they change.

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