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Cheap flights from Washington to Brussels from $219

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 5/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Washington to Brussels

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
2:35 pm - 11:55 am
SEA
-
BRU
12h 20m
1 stop
Icelandair Logo
12:50 pm - 6:00 pm
BRU
-
SEA
13h 10m
1 stop
$411Icelandair
Thu, Mar 5 - Thu, Mar 19
Icelandair Logo
3:35 pm - 11:55 am
SEA
-
BRU
12h 20m
1 stop
Icelandair Logo
1:50 pm - 8:40 pm
BRU
-
SEA
15h 50m
1 stop
$447Icelandair
Wed, Mar 25 - Mon, Mar 30
Icelandair Logo
7:00 pm - 12:55 pm
SEA
-
BRU
32h 55m
1 stop
Icelandair Logo
1:50 pm - 5:55 pm
BRU
-
SEA
13h 05m
1 stop
$461Icelandair
Mon, May 4 - Mon, May 11
Icelandair Logo
3:30 pm - 12:55 pm
PDX
-
BRU
12h 25m
1 stop
Icelandair Logo
1:50 pm - 6:00 pm
BRU
-
PDX
13h 10m
1 stop
$461Icelandair
Thu, Apr 2 - Fri, Apr 17
Air Canada Logo
3:15 pm - 8:55 am
PDX
-
BRU
33h 40m
2 stops
Air Canada Logo
10:00 am - 9:15 am
BRU
-
PDX
55h 15m
2 stops
$468Air Canada
Sun, Mar 8 - Tue, Mar 24
Multiple Airlines Logo
9:50 am - 8:55 am
PDX
-
BRU
39h 05m
2 stops
Multiple Airlines Logo
1:50 pm - 12:35 am
BRU
-
PDX
18h 45m
2 stops
$475Multiple Airlines
Mon, Mar 9 - Mon, Mar 23
Multiple Airlines Logo
3:40 pm - 4:15 pm
SEA
-
BRU
15h 35m
2 stops
Multiple Airlines Logo
9:25 am - 10:50 pm
BRU
-
SEA
22h 25m
2 stops
$476Multiple Airlines
Tue, Apr 7 - Tue, Apr 21
United Airlines Logo
3:48 pm - 8:00 pm
SEA
-
BRU
19h 12m
2 stops
United Airlines Logo
9:25 am - 4:37 pm
BRU
-
SEA
40h 12m
2 stops
$485United Airlines
Wed, Apr 8 - Tue, Apr 21
United Airlines Logo
7:15 am - 1:15 pm
SEA
-
BRU
21h 00m
2 stops
United Airlines Logo
10:00 am - 7:03 pm
BRU
-
SEA
41h 03m
2 stops
$486United Airlines
Fri, Mar 6 - Fri, Mar 13
Lufthansa Logo
3:10 pm - 1:10 pm
SEA
-
BRU
13h 00m
1 stop
Lufthansa Logo
9:05 am - 2:20 pm
BRU
-
SEA
13h 15m
1 stop
$487Lufthansa
Wed, Mar 4 - Wed, Mar 11

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
Mar 5
SEA2:35 pmSeattle/Tacoma Intl
12h 20m
1 stop
BRU11:55 amBrussels Bruxelles-National
Mar 19
BRU12:50 pmBrussels Bruxelles-National
13h 10m
1 stop
SEA6:00 pmSeattle/Tacoma Intl
$411
Icelandair
Mar 25
SEA3:35 pmSeattle/Tacoma Intl
12h 20m
1 stop
BRU11:55 amBrussels Bruxelles-National
Mar 30
BRU1:50 pmBrussels Bruxelles-National
15h 50m
1 stop
SEA8:40 pmSeattle/Tacoma Intl
$447
Icelandair
Apr 2
PDX3:30 pmPortland
12h 25m
1 stop
BRU12:55 pmBrussels Bruxelles-National
Apr 17
BRU1:50 pmBrussels Bruxelles-National
13h 10m
1 stop
PDX6:00 pmPortland
$461

British Airways flights from State of Washington to Brussels Bruxelles-National Airport

Our best British Airways deals on State of Washington to Brussels Bruxelles-National Airport flight tickets
British Airways
Apr 30
SEA1:35 pmSeattle/Tacoma Intl
17h 35m
1 stop
BRU4:10 pmBrussels Bruxelles-National
May 5
BRU10:55 amBrussels Bruxelles-National
33h 40m
1 stop
SEA11:35 amSeattle/Tacoma Intl
$508
British Airways
Mar 9
PDX6:45 pmPortland
32h 05m
1 stop
BRU10:50 amBrussels Bruxelles-National
Mar 23
BRU11:50 amBrussels Bruxelles-National
13h 05m
1 stop
PDX4:55 pmPortland
$512
British Airways
Mar 5
SEA6:50 pmSeattle/Tacoma Intl
13h 15m
1 stop
BRU5:05 pmBrussels Bruxelles-National
Mar 10
BRU12:00 pmBrussels Bruxelles-National
13h 55m
1 stop
SEA5:55 pmSeattle/Tacoma Intl
$513

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 February 6, 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

SeattleBrussels

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Thu 3/5

2:35 pm-11:55 am

1 stop12h 20m

Brussels Bruxelles-National

Thu 3/19

12:50 pm-6:00 pm

1 stop13h 10m

$411

SeattleBrussels

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Wed 3/25

3:35 pm-11:55 am

1 stop12h 20m

Brussels Bruxelles-National

Mon 3/30

1:50 pm-8:40 pm

1 stop15h 50m

$447

SeattleBrussels

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Mon 5/4

7:00 pm-12:55 pm

1 stop32h 55m

Brussels Bruxelles-National

Mon 5/11

1:50 pm-5:55 pm

1 stop13h 05m

$461

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Thu 4/2

3:30 pm-12:55 pm

1 stop12h 25m

Brussels Bruxelles-National

Fri 4/17

1:50 pm-6:00 pm

1 stop13h 10m

$461

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Sun 3/8

3:15 pm-8:55 am

2 stops33h 40m

Brussels Bruxelles-National

Tue 3/24

10:00 am-9:15 am

2 stops55h 15m

$468

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Mon 3/9

9:50 am-8:55 am

2 stops39h 05m

Brussels Bruxelles-National

Mon 3/23

1:50 pm-12:35 am

2 stops18h 45m

$475

SeattleBrussels

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Tue 4/7

3:40 pm-4:15 pm

2 stops15h 35m

Brussels Bruxelles-National

Tue 4/21

9:25 am-10:50 pm

2 stops22h 25m

$476

SeattleBrussels

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Wed 4/8

3:48 pm-8:00 pm

2 stops19h 12m

Brussels Bruxelles-National

Tue 4/21

9:25 am-4:37 pm

2 stops40h 12m

$485

SeattleBrussels

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Fri 3/6

7:15 am-1:15 pm

2 stops21h 00m

Brussels Bruxelles-National

Fri 3/13

10:00 am-7:03 pm

2 stops41h 03m

$486

SeattleBrussels

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Wed 3/4

3:10 pm-1:10 pm

1 stop13h 00m

Brussels Bruxelles-National

Wed 3/11

9:05 am-2:20 pm

1 stop13h 15m

$487

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 October. Flight prices, which tend to average around $476, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Brussels Bruxelles-National Airport from State of Washington during September instead. Flights to Brussels Bruxelles-National Airport in September, while not as cheap as those in October, still average around $514.

How far in advance should I book a flight 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 $614 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 $542 on momondo.

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

You could potentially save up to 9% 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

  • 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 $385Free CancellationRating
7.1
606 reviews
Search Icelandair flights
British AirwaysPriceFrom $436Free CancellationRating
6.7
7,716 reviews
Search British Airways flights
DeltaPriceFrom $482Free CancellationRating
7.9
8,158 reviews
Search Delta flights
United AirlinesPriceFrom $483Free CancellationRating
7.4
9,242 reviews
Search United Airlines flights
KLMPriceFrom $486Free CancellationRating
7.7
1,449 reviews
Search KLM flights
Virgin AtlanticPriceFrom $488Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
LufthansaPriceFrom $494Free CancellationRating
6.8
7,762 reviews
Search Lufthansa flights
Air CanadaPriceFrom $518Free CancellationRating
7.1
10,696 reviews
Search Air Canada flights
Aer LingusPriceFrom $536Free CancellationRating
7.2
1,445 reviews
Search Aer Lingus flights

Traveling to a place near Brussels?

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