Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Washington to Brussels from $335

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 1/24. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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 20m1 stop
Icelandair Logo
12:50 pm - 5:00 pm
BRU
-
SEA
13h 10m1 stop
$382Icelandair
Thu, Jan 8 - Fri, Jan 23
Icelandair Logo
2:35 pm - 11:55 am
SEA
-
BRU
12h 20m1 stop
Icelandair Logo
12:50 pm - 5:00 pm
BRU
-
SEA
13h 10m1 stop
$383Icelandair
Thu, Jan 8 - Fri, Jan 23
Multiple Airlines Logo
7:00 am - 8:55 am
PDX
-
BRU
16h 55m1 stop
Multiple Airlines Logo
9:35 am - 6:30 pm
BRU
-
PDX
17h 55m2 stops
$451Multiple Airlines
Wed, Jan 14 - Fri, Jan 23
Lufthansa Logo
7:00 am - 8:55 am
PDX
-
BRU
16h 55m1 stop
Lufthansa Logo
10:10 am - 6:56 pm
BRU
-
PDX
17h 46m1 stop
$454Lufthansa
Mon, Jan 12 - Sun, Jan 25
Lufthansa Logo
7:00 am - 8:55 am
PDX
-
BRU
16h 55m1 stop
Lufthansa Logo
10:10 am - 6:56 pm
BRU
-
PDX
17h 46m1 stop
$455Lufthansa
Mon, Jan 12 - Sun, Jan 25
Multiple Airlines Logo
7:00 am - 8:55 am
PDX
-
BRU
16h 55m1 stop
Multiple Airlines Logo
10:10 am - 6:56 pm
BRU
-
PDX
17h 46m1 stop
$463Multiple Airlines
Wed, Jan 14 - Fri, Jan 23
Air Canada Logo
7:00 pm - 8:55 am
PDX
-
BRU
52h 55m2 stops
Air Canada Logo
10:00 am - 9:15 am
BRU
-
PDX
32h 15m2 stops
$468Air Canada
Mon, Jan 12 - Sun, Jan 25
Air Canada Logo
9:50 am - 8:55 am
PDX
-
BRU
38h 05m2 stops
Air Canada Logo
10:00 am - 12:00 pm
BRU
-
PDX
35h 00m2 stops
$480Air Canada
Wed, Jan 14 - Fri, Jan 23
United Airlines Logo
11:59 pm - 1:15 pm
PDX
-
BRU
28h 16m2 stops
United Airlines Logo
10:00 am - 6:56 pm
BRU
-
PDX
41h 56m2 stops
$485United Airlines
Mon, Jan 12 - Sun, Jan 25
United Airlines Logo
11:05 pm - 8:05 am
PDX
-
BRU
24h 00m1 stop
United Airlines Logo
10:00 am - 6:56 pm
BRU
-
PDX
41h 56m2 stops
$488United Airlines
Mon, Jan 12 - Sun, Jan 25

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
Jan 8
SEA2:35 pmSeattle/Tacoma Intl
12h 20m
1 stop
BRU11:55 amBrussels Bruxelles-National
Jan 23
BRU12:50 pmBrussels Bruxelles-National
13h 10m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
$383
Find similar
Icelandair
Jan 14
SEA2:35 pmSeattle/Tacoma Intl
12h 20m
1 stop
BRU11:55 amBrussels Bruxelles-National
Jan 23
BRU12:50 pmBrussels Bruxelles-National
13h 10m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
$389
Find similar
Icelandair
Feb 4
SEA2:35 pmSeattle/Tacoma Intl
12h 20m
1 stop
BRU11:55 amBrussels Bruxelles-National
Feb 8
BRU12:50 pmBrussels Bruxelles-National
13h 10m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
$394
Find similar

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

Our best Lufthansa deals on State of Washington to Brussels Bruxelles-National Airport flight tickets
Lufthansa
Jan 12
PDX7:00 amPortland
16h 55m
1 stop
BRU8:55 amBrussels Bruxelles-National
Jan 25
BRU10:10 amBrussels Bruxelles-National
17h 46m
1 stop
PDX6:56 pmPortland
$454
Find similar
Lufthansa
Jan 12
PDX7:00 amPortland
16h 55m
1 stop
BRU8:55 amBrussels Bruxelles-National
Jan 25
BRU10:10 amBrussels Bruxelles-National
17h 46m
1 stop
PDX6:56 pmPortland
$455
Find similar
Lufthansa
Jan 14
SEA3:10 pmSeattle/Tacoma Intl
19h 45m
1 stop
BRU7:55 pmBrussels Bruxelles-National
Jan 23
BRU10:00 amBrussels Bruxelles-National
18h 16m
2 stops
SEA7:16 pmSeattle/Tacoma Intl
$483
Find similar

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 December 16, 2025.
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 1/8

2:35 pm-11:55 am

1 stop12h 20m

Brussels Bruxelles-National

Fri 1/23

12:50 pm-5:00 pm

1 stop13h 10m

$382

SeattleBrussels

SEA - BRU

SEABRU

Seattle/Tacoma Intl

Thu 1/8

2:35 pm-11:55 am

1 stop12h 20m

Brussels Bruxelles-National

Fri 1/23

12:50 pm-5:00 pm

1 stop13h 10m

$383

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Wed 1/14

7:00 am-8:55 am

1 stop16h 55m

Brussels Bruxelles-National

Fri 1/23

9:35 am-6:30 pm

2 stops17h 55m

$451

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Mon 1/12

7:00 am-8:55 am

1 stop16h 55m

Brussels Bruxelles-National

Sun 1/25

10:10 am-6:56 pm

1 stop17h 46m

$454

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Mon 1/12

7:00 am-8:55 am

1 stop16h 55m

Brussels Bruxelles-National

Sun 1/25

10:10 am-6:56 pm

1 stop17h 46m

$455

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Wed 1/14

7:00 am-8:55 am

1 stop16h 55m

Brussels Bruxelles-National

Fri 1/23

10:10 am-6:56 pm

1 stop17h 46m

$463

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Mon 1/12

7:00 pm-8:55 am

2 stops52h 55m

Brussels Bruxelles-National

Sun 1/25

10:00 am-9:15 am

2 stops32h 15m

$468

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Wed 1/14

9:50 am-8:55 am

2 stops38h 05m

Brussels Bruxelles-National

Fri 1/23

10:00 am-12:00 pm

2 stops35h 00m

$480

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Mon 1/12

11:59 pm-1:15 pm

2 stops28h 16m

Brussels Bruxelles-National

Sun 1/25

10:00 am-6:56 pm

2 stops41h 56m

$485

PortlandBrussels

PDX - BRU

PDXBRU

Portland

Mon 1/12

11:05 pm-8:05 am

1 stop24h 00m

Brussels Bruxelles-National

Sun 1/25

10:00 am-6:56 pm

2 stops41h 56m

$488

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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.

What is the cheapest day to depart on your flight to Brussels Bruxelles-National Airport?

The cheapest day to depart from State of Washington to Brussels Bruxelles-National Airport is on a Tuesday. Travelers who choose to depart for Brussels Bruxelles-National Airport on a Tuesday will often find tickets for as low as $626. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from State of Washington to Brussels Bruxelles-National Airport for around $783.

What is the cheapest time of day to depart on your flight to Brussels Bruxelles-National Airport?

Our most recent data shows that the best time of day to fly to Brussels Bruxelles-National Airport is in the morning. Flights from State of Washington to Brussels Bruxelles-National Airport during this time can be as low as $668. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $738 on average. Flights to Brussels Bruxelles-National Airport from State of Washington at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $628 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 $537 on momondo.

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

You could potentially save up to 38% 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 $387Free CancellationRating
7.0
591 reviews
Search Icelandair flights
DeltaPriceFrom $482Free CancellationRating
7.9
8,008 reviews
Search Delta flights
British AirwaysPriceFrom $486Free CancellationRating
6.7
7,583 reviews
Search British Airways flights
Virgin AtlanticPriceFrom $488Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights
LufthansaPriceFrom $501Free CancellationRating
6.8
7,632 reviews
Search Lufthansa flights
United AirlinesPriceFrom $502Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
Air FrancePriceFrom $506Free CancellationRating
7.4
1,506 reviews
Search Air France flights
KLMPriceFrom $511Free CancellationRating
7.7
1,430 reviews
Search KLM flights
Air CanadaPriceFrom $518Free CancellationRating
7.1
10,531 reviews
Search Air Canada flights
Aer LingusPriceFrom $532Free CancellationRating
7.2
1,395 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
Hasselt
Spa
Zaventem
Namur
Dinant
Genk
Mons
Durbuy
Waterloo
Aalst
Mechelen
Francorchamps
Knokke-Heist
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.

An easier way to manage your Brussels Bruxelles-National Airport 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 1/15
Thu 1/22
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Brussels

Popular cities in Belgium

Popular flights according to clicks in the last 7 days on momondo
Flights to Charleroi Brussels Airportfrom $414