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Cheap flights from Brussels Bruxelles-National Airport to Washington from $485

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 9/17. 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 Brussels Bruxelles-National Airport to Washington

Cheap round-trip flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
10:20 am - 5:10 pm
BRU
-
SEA
15h 50m
1 stop
Aer Lingus Logo
7:10 pm - 8:10 pm
SEA
-
BRU
17h 00m
1 stop
$652Aer Lingus
Thu, Oct 8 - Sat, Oct 24
Multiple Airlines Logo
4:55 pm - 11:45 am
BRU
-
SEA
27h 50m
2 stops
Multiple Airlines Logo
3:40 pm - 8:00 pm
SEA
-
BRU
19h 20m
2 stops
$663Multiple Airlines
Thu, Sep 3 - Wed, Sep 16
Aer Lingus Logo
10:20 am - 5:10 pm
BRU
-
SEA
15h 50m
1 stop
Aer Lingus Logo
7:10 pm - 8:45 pm
SEA
-
BRU
16h 35m
1 stop
$750Aer Lingus
Fri, Aug 21 - Thu, Aug 27
Scandinavian Airlines Logo
10:20 am - 1:45 pm
BRU
-
SEA
12h 25m
1 stop
Scandinavian Airlines Logo
3:55 pm - 9:40 am
SEA
-
BRU
32h 45m
1 stop
$771Scandinavian Airlines
Tue, Sep 1 - Fri, Sep 18
Multiple Airlines Logo
9:25 pm - 9:40 am
BRU
-
SEA
45h 15m
3 stops
Multiple Airlines Logo
7:00 pm - 12:55 pm
SEA
-
BRU
32h 55m
1 stop
$774Multiple Airlines
Wed, Aug 19 - Fri, Aug 28
Scandinavian Airlines Logo
3:15 pm - 1:45 pm
BRU
-
SEA
31h 30m
1 stop
Scandinavian Airlines Logo
3:55 pm - 9:40 am
SEA
-
BRU
32h 45m
1 stop
$781Scandinavian Airlines
Sat, Sep 12 - Sat, Sep 19
Finnair Logo
6:30 am - 4:00 pm
BRU
-
SEA
18h 30m
1 stop
Finnair Logo
5:40 pm - 10:35 pm
SEA
-
BRU
19h 55m
1 stop
$790Finnair
Fri, Sep 4 - Mon, Sep 21
Icelandair Logo
1:50 pm - 5:55 pm
BRU
-
PDX
13h 05m
1 stop
Icelandair Logo
3:30 pm - 12:55 pm
PDX
-
BRU
12h 25m
1 stop
$914Icelandair
Sun, Jul 12 - Sat, Jul 18
Lufthansa Logo
10:15 am - 10:30 pm
BRU
-
PDX
21h 15m
1 stop
Lufthansa Logo
7:00 am - 9:00 am
PDX
-
BRU
17h 00m
1 stop
$942Lufthansa
Tue, Jul 14 - Thu, Jul 30
Lufthansa Logo
10:15 am - 10:30 pm
BRU
-
PDX
21h 15m
1 stop
Lufthansa Logo
11:16 am - 5:30 pm
PDX
-
BRU
21h 14m
2 stops
$946Lufthansa
Tue, Jul 14 - Thu, Jul 30

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Aer Lingus flights from Brussels Bruxelles-National Airport to State of Washington

Our best Aer Lingus deals on Brussels Bruxelles-National Airport to State of Washington flight tickets
Aer Lingus
Oct 8
BRU10:20 amBrussels Bruxelles-National
15h 50m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
Oct 24
SEA7:10 pmSeattle/Tacoma Intl
17h 00m
1 stop
BRU8:10 pmBrussels Bruxelles-National
$652
Aer Lingus
Aug 21
BRU10:20 amBrussels Bruxelles-National
15h 50m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
Aug 27
SEA7:10 pmSeattle/Tacoma Intl
16h 35m
1 stop
BRU8:45 pmBrussels Bruxelles-National
$750
Aer Lingus
Sep 17
BRU10:20 amBrussels Bruxelles-National
15h 50m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
Oct 1
SEA7:10 pmSeattle/Tacoma Intl
16h 35m
1 stop
BRU8:45 pmBrussels Bruxelles-National
$809

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

Our best Icelandair deals on Brussels Bruxelles-National Airport to State of Washington flight tickets
Icelandair
Jun 28
BRU1:50 pmBrussels Bruxelles-National
30h 55m
1 stop
SEA11:45 amSeattle/Tacoma Intl
Jul 11
SEA7:00 pmSeattle/Tacoma Intl
32h 55m
1 stop
BRU12:55 pmBrussels Bruxelles-National
$818
Icelandair
Jul 4
BRU1:50 pmBrussels Bruxelles-National
15h 50m
1 stop
SEA8:40 pmSeattle/Tacoma Intl
Jul 17
SEA11:25 pmSeattle/Tacoma Intl
28h 30m
1 stop
BRU12:55 pmBrussels Bruxelles-National
$823
Icelandair
Jun 28
BRU1:50 pmBrussels Bruxelles-National
30h 55m
1 stop
SEA11:45 amSeattle/Tacoma Intl
Jul 11
SEA11:25 pmSeattle/Tacoma Intl
28h 30m
1 stop
BRU12:55 pmBrussels Bruxelles-National
$825

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 June 22, 2026.
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

Cheapest round-trip

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Thu 10/8

10:20 am-5:10 pm

1 stop15h 50m

Seattle/Tacoma Intl

Sat 10/24

7:10 pm-8:10 pm

1 stop17h 00m

$652

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Thu 9/3

4:55 pm-11:45 am

2 stops27h 50m

Seattle/Tacoma Intl

Wed 9/16

3:40 pm-8:00 pm

2 stops19h 20m

$663

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Fri 8/21

10:20 am-5:10 pm

1 stop15h 50m

Seattle/Tacoma Intl

Thu 8/27

7:10 pm-8:45 pm

1 stop16h 35m

$750

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Tue 9/1

10:20 am-1:45 pm

1 stop12h 25m

Seattle/Tacoma Intl

Fri 9/18

3:55 pm-9:40 am

1 stop32h 45m

$771

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Wed 8/19

9:25 pm-9:40 am

3 stops45h 15m

Seattle/Tacoma Intl

Fri 8/28

7:00 pm-12:55 pm

1 stop32h 55m

$774

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Sat 9/12

3:15 pm-1:45 pm

1 stop31h 30m

Seattle/Tacoma Intl

Sat 9/19

3:55 pm-9:40 am

1 stop32h 45m

$781

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Fri 9/4

6:30 am-4:00 pm

1 stop18h 30m

Seattle/Tacoma Intl

Mon 9/21

5:40 pm-10:35 pm

1 stop19h 55m

$790
Quickest round-trip

BrusselsPortland

BRU - PDX

BRUPDX

Brussels Bruxelles-National

Sun 7/12

1:50 pm-5:55 pm

1 stop13h 05m

Portland

Sat 7/18

3:30 pm-12:55 pm

1 stop12h 25m

$914

BrusselsPortland

BRU - PDX

BRUPDX

Brussels Bruxelles-National

Tue 7/14

10:15 am-10:30 pm

1 stop21h 15m

Portland

Thu 7/30

7:00 am-9:00 am

1 stop17h 00m

$942

BrusselsPortland

BRU - PDX

BRUPDX

Brussels Bruxelles-National

Tue 7/14

10:15 am-10:30 pm

1 stop21h 15m

Portland

Thu 7/30

11:16 am-5:30 pm

2 stops21h 14m

$946

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 January is, on average, the cheapest month to fly to State of Washington from Brussels Bruxelles-National Airport, with most prices found around $452. If you aren’t able to travel to State of Washington during the month of January, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $495.

How far in advance should I book a flight from Brussels Bruxelles-National Airport to 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 $849 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 $690 on momondo.

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

You could potentially save up to 9% 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

13h 00m

Direct flights

None
The fastest flight from Brussels Bruxelles-National Airport to State of Washington takes 13h 00m
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.
Search flight deals

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

  • 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
IcelandairPriceFrom $529Free CancellationRating
7.0
682 reviews
Search Icelandair flights
United AirlinesPriceFrom $584Free CancellationRating
7.4
9,874 reviews
Search United Airlines flights
British AirwaysPriceFrom $586Free CancellationRating
6.7
8,063 reviews
Search British Airways flights
KLMPriceFrom $676Free CancellationRating
7.8
1,530 reviews
Search KLM flights
Scandinavian AirlinesPriceFrom $711Free CancellationRating
7.4
1,846 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $823Free CancellationRating
6.8
8,086 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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