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Cheap flights from Brussels Bruxelles-National Airport to Washington from $441

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Brussels Bruxelles-National Airport to Washington departing on 4/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Brussels Bruxelles-National Airport to Washington

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
8:30 pm - 1:45 pm
BRU
-
SEA
26h 15m1 stop
Scandinavian Airlines Logo
3:55 pm - 9:40 am
SEA
-
BRU
32h 45m1 stop
$573Scandinavian Airlines
Sat, May 23 - Sat, May 30
Scandinavian Airlines Logo
8:30 pm - 1:45 pm
BRU
-
SEA
26h 15m1 stop
Scandinavian Airlines Logo
3:55 pm - 6:20 pm
SEA
-
BRU
17h 25m2 stops
$596Scandinavian Airlines
Sat, May 23 - Sat, May 30
Scandinavian Airlines Logo
10:20 am - 12:22 am
BRU
-
SEA
23h 02m2 stops
Scandinavian Airlines Logo
3:55 pm - 9:40 am
SEA
-
BRU
32h 45m1 stop
$641Scandinavian Airlines
Fri, May 8 - Sat, May 30
Scandinavian Airlines Logo
10:20 am - 1:45 pm
BRU
-
SEA
12h 25m1 stop
Scandinavian Airlines Logo
3:55 pm - 9:40 am
SEA
-
BRU
32h 45m1 stop
$657Scandinavian Airlines
Fri, Jun 5 - Fri, Jun 19
Scandinavian Airlines Logo
3:15 pm - 12:22 am
BRU
-
SEA
42h 07m2 stops
Scandinavian Airlines Logo
3:55 pm - 9:40 am
SEA
-
BRU
32h 45m1 stop
$659Scandinavian Airlines
Thu, May 7 - Fri, May 29
American Airlines Logo
11:50 am - 3:55 pm
BRU
-
PDX
13h 05m1 stop
American Airlines Logo
1:51 pm - 7:55 pm
PDX
-
BRU
21h 04m2 stops
$859American Airlines
Wed, Feb 11 - Sun, Feb 15
American Airlines Logo
11:50 am - 3:55 pm
BRU
-
PDX
13h 05m1 stop
American Airlines Logo
11:59 pm - 11:10 am
PDX
-
BRU
26h 11m2 stops
$860American Airlines
Wed, Feb 11 - Sun, Feb 15
United Airlines Logo
7:00 am - 10:53 pm
BRU
-
PDX
24h 53m2 stops
United Airlines Logo
10:47 am - 8:55 am
PDX
-
BRU
13h 08m1 stop
$861United Airlines
Sat, Jan 24 - Sat, Jan 31
United Airlines Logo
10:10 am - 6:56 pm
BRU
-
PDX
17h 46m1 stop
United Airlines Logo
10:47 am - 8:55 am
PDX
-
BRU
13h 08m1 stop
$3,195United Airlines
Sat, Jan 24 - Sat, Jan 31
United Airlines Logo
11:55 am - 11:06 pm
BRU
-
PDX
20h 11m2 stops
United Airlines Logo
1:24 pm - 5:15 pm
PDX
-
BRU
18h 51m3 stops
$4,076United Airlines
Sat, Jan 24 - Sat, Jan 31

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

Our best KLM deals on Brussels Bruxelles-National Airport to State of Washington flight tickets
KLM
Dec 20
BRU2:45 pmBrussels Bruxelles-National
30h 05m
1 stop
SEA11:50 amSeattle/Tacoma Intl
Feb 3
SEA3:05 pmSeattle/Tacoma Intl
14h 10m
1 stop
BRU2:15 pmBrussels Bruxelles-National
$1,018
Find similar
KLM
Dec 20
BRU2:45 pmBrussels Bruxelles-National
30h 05m
1 stop
SEA11:50 amSeattle/Tacoma Intl
Feb 3
SEA3:05 pmSeattle/Tacoma Intl
22h 15m
1 stop
BRU10:20 pmBrussels Bruxelles-National
$1,021
Find similar
KLM
Dec 20
BRU2:45 pmBrussels Bruxelles-National
30h 05m
1 stop
SEA11:50 amSeattle/Tacoma Intl
Jan 2
SEA3:10 pmSeattle/Tacoma Intl
14h 05m
1 stop
BRU2:15 pmBrussels Bruxelles-National
$1,255
Find similar

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

Our best United Airlines deals on Brussels Bruxelles-National Airport to State of Washington flight tickets
United Airlines
Jan 15
BRU7:00 amBrussels Bruxelles-National
14h 10m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
Jan 19
SEA7:00 amSeattle/Tacoma Intl
21h 15m
2 stops
BRU1:15 pmBrussels Bruxelles-National
$797
Find similar
United Airlines
Jan 15
BRU7:00 amBrussels Bruxelles-National
14h 10m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
Jan 19
SEA10:58 amSeattle/Tacoma Intl
12h 57m
1 stop
BRU8:55 amBrussels Bruxelles-National
$798
Find similar
United Airlines
Dec 24
BRU2:25 pmBrussels Bruxelles-National
19h 34m
2 stops
SEA12:59 amSeattle/Tacoma Intl
Mar 29
SEA5:00 amSeattle/Tacoma Intl
17h 15m
2 stops
BRU7:15 amBrussels Bruxelles-National
$801
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Brussels Bruxelles-National Airport to State of Washington 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 11, 2025.
Use the filters below to find and compare flights from Brussels Bruxelles-National Airport to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Sat 5/23

8:30 pm-1:45 pm

1 stop26h 15m

Seattle/Tacoma Intl

Sat 5/30

3:55 pm-9:40 am

1 stop32h 45m

$573

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Sat 5/23

8:30 pm-1:45 pm

1 stop26h 15m

Seattle/Tacoma Intl

Sat 5/30

3:55 pm-6:20 pm

2 stops17h 25m

$596

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Fri 5/8

10:20 am-12:22 am

2 stops23h 02m

Seattle/Tacoma Intl

Sat 5/30

3:55 pm-9:40 am

1 stop32h 45m

$641

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Fri 6/5

10:20 am-1:45 pm

1 stop12h 25m

Seattle/Tacoma Intl

Fri 6/19

3:55 pm-9:40 am

1 stop32h 45m

$657

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Thu 5/7

3:15 pm-12:22 am

2 stops42h 07m

Seattle/Tacoma Intl

Fri 5/29

3:55 pm-9:40 am

1 stop32h 45m

$659

BrusselsPortland

BRU - PDX

BRUPDX

Brussels Bruxelles-National

Wed 2/11

11:50 am-3:55 pm

1 stop13h 05m

Portland

Sun 2/15

1:51 pm-7:55 pm

2 stops21h 04m

$859

BrusselsPortland

BRU - PDX

BRUPDX

Brussels Bruxelles-National

Wed 2/11

11:50 am-3:55 pm

1 stop13h 05m

Portland

Sun 2/15

11:59 pm-11:10 am

2 stops26h 11m

$860

BrusselsPortland

BRU - PDX

BRUPDX

Brussels Bruxelles-National

Sat 1/24

7:00 am-10:53 pm

2 stops24h 53m

Portland

Sat 1/31

10:47 am-8:55 am

1 stop13h 08m

$861

BrusselsPortland

BRU - PDX

BRUPDX

Brussels Bruxelles-National

Sat 1/24

10:10 am-6:56 pm

1 stop17h 46m

Portland

Sat 1/31

10:47 am-8:55 am

1 stop13h 08m

$3,195

BrusselsPortland

BRU - PDX

BRUPDX

Brussels Bruxelles-National

Sat 1/24

11:55 am-11:06 pm

2 stops20h 11m

Portland

Sat 1/31

1:24 pm-5:15 pm

3 stops18h 51m

$4,076

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 Washington from

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

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 State of Washington?

The month of December is, on average, the cheapest month to fly to State of Washington from Brussels Bruxelles-National Airport, with most prices found around $620. If you aren’t able to travel to State of Washington during the month of December, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $666.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Brussels Bruxelles-National Airport to State of Washington is on a Sunday. Travelers who choose to depart for State of Washington on a Sunday will often find tickets for as low as $696. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Brussels Bruxelles-National Airport to State of Washington for around $979.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is in the morning when flights can be purchased for as low as $809. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $956 on average. Flights to State of Washington from Brussels Bruxelles-National Airport 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 State of Washington?

You are more likely to see cheaper flights to State of Washington from Brussels Bruxelles-National Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $720 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Brussels Bruxelles-National Airport for as low as $658 on momondo.

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

You could potentially save up to 38% on your flight if you consider stops on a Brussels Bruxelles-National Airport to State of Washington flight.

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

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

Fastest flight time

12h 25m

Direct flights

None
The fastest flight from Brussels Bruxelles-National Airport to State of Washington takes 12h 25m
There are no direct flights from Brussels Bruxelles-National Airport to State of Washington. There are no popular flight routes from Brussels Bruxelles-National Airport to State of Washington.
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  • When did momondo last update prices for flights from Brussels Bruxelles-National Airport to Washington?

    Prices for flights from Brussels Bruxelles-National Airport to Washington refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Brussels Bruxelles-National Airport to Washington.

  • What documentation or ID do you need to fly to Washington?

    The travel and health documents you'll need for your trip to Washington 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 Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Brussels Bruxelles-National Airport to State of Washington

Compare and see reviews for airlines that fly from Brussels Bruxelles-National Airport to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom $524Free CancellationRating
7.2
1,392 reviews
Search Aer Lingus flights
IcelandairPriceFrom $586Free CancellationRating
7.0
589 reviews
Search Icelandair flights
British AirwaysPriceFrom $592Free CancellationRating
6.7
7,571 reviews
Search British Airways flights
United AirlinesPriceFrom $597Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
KLMPriceFrom $605Free CancellationRating
7.7
1,432 reviews
Search KLM flights
DeltaPriceFrom $616Free CancellationRating
7.9
8,009 reviews
Search Delta flights
FinnairPriceFrom $651Free CancellationRating
7.6
1,334 reviews
Search Finnair flights
LufthansaPriceFrom $687Free CancellationRating
6.8
7,626 reviews
Search Lufthansa flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Brussels to Washington. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Washington from Brussels with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Brussels to Washington.

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

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

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