What is the cheapest airline that flies from Belgium to Washington?

British Airways is the most popular carrier operating from Belgium to Washington

What airlines fly to State of Washington?

Icelandair, Lufthansa and British Airways are the top three most popular airlines that fly to State of Washington from Belgium according to our data. Icelandair is the first choice among our users, with 32% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 6 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Belgium to Washington?

Prices for flights from Belgium to Washington are updated daily.

How many operators does momondo search for flights from Belgium to Washington?

As of June 2026, there are 6 operators available to choose from for flights from Belgium to Washington.

How old do you have to be to fly from Belgium to Washington?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Belgium to Washington.

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

The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$398 Cheap Flights from Belgium to Washington in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Belgium to Washington

Round-trip

One-way

Last minute

Recent round-trip flight deals from Belgium to Washington

Enter your travel dates to find the best prices.

10:20 am - 5:10 pm

BRU

SEA

15h 50m

1 stop

7:10 pm - 8:45 pm

SEA

BRU

16h 35m

1 stop

$654Aer Lingus

Mon, Sep 7 - Wed, Sep 16

10:00 am - 6:45 pm

BRU

SEA

17h 45m

2 stops

2:35 pm - 11:55 am

SEA

BRU

12h 20m

1 stop

$763Multiple Airlines

Tue, Sep 29 - Mon, Nov 2

3:15 pm - 1:45 pm

BRU

SEA

31h 30m

1 stop

3:55 pm - 9:40 am

SEA

BRU

32h 45m

1 stop

$771Scandinavian Airlines

Sat, Sep 12 - Sat, Sep 19

9:10 pm - 4:00 pm

BRU

SEA

27h 50m

2 stops

7:00 pm - 12:55 pm

SEA

BRU

32h 55m

1 stop

$772Multiple Airlines

Thu, Sep 17 - Mon, Sep 21

8:30 pm - 1:45 pm

BRU

SEA

26h 15m

1 stop

3:55 pm - 7:50 pm

SEA

BRU

18h 55m

1 stop

$775Scandinavian Airlines

Sat, Oct 3 - Fri, Oct 9

3:15 pm - 1:45 pm

BRU

SEA

31h 30m

1 stop

3:55 pm - 9:40 am

SEA

BRU

32h 45m

1 stop

$782Scandinavian Airlines

Sat, Sep 12 - Sat, Sep 19

1:50 pm - 5:55 pm

BRU

SEA

13h 05m

1 stop

3:35 pm - 11:55 am

SEA

BRU

12h 20m

1 stop

$801Icelandair

Thu, Oct 1 - Sat, Oct 31

1:50 pm - 5:55 pm

BRU

PDX

13h 05m

1 stop

3:45 pm - 11:55 am

PDX

BRU

12h 10m

1 stop

$868Icelandair

Fri, Oct 2 - Sat, Oct 31

9:45 pm - 3:50 pm

BRU

PDX

27h 05m

1 stop

5:45 pm - 4:20 pm

PDX

BRU

13h 35m

1 stop

$889British Airways

Tue, Nov 10 - Wed, Nov 25

8:05 am - 11:10 am

BRU

PDX

12h 05m

1 stop

1:05 pm - 2:40 pm

PDX

BRU

16h 35m

1 stop

$898KLM

Sat, Sep 5 - Sun, Oct 18

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Icelandair flights from Belgium to State of Washington

Our best Icelandair deals on Belgium to State of Washington flight tickets

Icelandair

Oct 1

BRU1:50 pmBrussels Bruxelles-National

13h 05m

1 stop

SEA5:55 pmSeattle/Tacoma Intl

Oct 31

SEA3:35 pmSeattle/Tacoma Intl

12h 20m

1 stop

BRU11:55 amBrussels Bruxelles-National

$801

Icelandair

Aug 29

BRU1:50 pmBrussels Bruxelles-National

13h 05m

1 stop

SEA5:55 pmSeattle/Tacoma Intl

Sep 5

SEA3:40 pmSeattle/Tacoma Intl

12h 15m

1 stop

BRU12:55 pmBrussels Bruxelles-National

$802

Icelandair

Sep 28

BRU1:50 pmBrussels Bruxelles-National

13h 05m

1 stop

SEA5:55 pmSeattle/Tacoma Intl

Oct 16

SEA3:40 pmSeattle/Tacoma Intl

12h 15m

1 stop

BRU12:55 pmBrussels Bruxelles-National

$823

British Airways flights from Belgium to State of Washington

Our best British Airways deals on Belgium to State of Washington flight tickets

British Airways

Sep 28

BRU8:50 pmBrussels Bruxelles-National

23h 45m

1 stop

SEA11:35 amSeattle/Tacoma Intl

Oct 28

SEA7:50 pmSeattle/Tacoma Intl

15h 45m

1 stop

BRU7:35 pmBrussels Bruxelles-National

$837

British Airways

Sep 27

BRU8:40 pmBrussels Bruxelles-National

23h 55m

1 stop

SEA11:35 amSeattle/Tacoma Intl

Oct 17

SEA1:30 pmSeattle/Tacoma Intl

15h 50m

1 stop

BRU2:20 pmBrussels Bruxelles-National

$838

British Airways

Oct 13

BRU7:55 pmBrussels Bruxelles-National

24h 40m

1 stop

SEA11:35 amSeattle/Tacoma Intl

Oct 24

SEA11:34 amSeattle/Tacoma Intl

18h 06m

2 stops

BRU2:40 pmBrussels Bruxelles-National

$839

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Mon 9/7

10:20 am-5:10 pm

1 stop15h 50m

Seattle/Tacoma Intl

Wed 9/16

7:10 pm-8:45 pm

1 stop16h 35m

$654

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Tue 9/29

10:00 am-6:45 pm

2 stops17h 45m

Seattle/Tacoma Intl

Mon 11/2

2:35 pm-11:55 am

1 stop12h 20m

$763

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

$771

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Thu 9/17

9:10 pm-4:00 pm

2 stops27h 50m

Seattle/Tacoma Intl

Mon 9/21

7:00 pm-12:55 pm

1 stop32h 55m

$772

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Sat 10/3

8:30 pm-1:45 pm

1 stop26h 15m

Seattle/Tacoma Intl

Fri 10/9

3:55 pm-7:50 pm

1 stop18h 55m

$775

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

$782

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Thu 10/1

1:50 pm-5:55 pm

1 stop13h 05m

Seattle/Tacoma Intl

Sat 10/31

3:35 pm-11:55 am

1 stop12h 20m

$801

Quickest round-trip

BrusselsPortland

BRU - PDX

BRUPDX

Brussels Bruxelles-National

Fri 10/2

1:50 pm-5:55 pm

1 stop13h 05m

Portland

Sat 10/31

3:45 pm-11:55 am

1 stop12h 10m

$868

BrusselsPortland

BRU - PDX

BRUPDX

Brussels Bruxelles-National

Tue 11/10

9:45 pm-3:50 pm

1 stop27h 05m

Portland

Wed 11/25

5:45 pm-4:20 pm

1 stop13h 35m

$889

BrusselsPortland

BRU - PDX

BRUPDX

Brussels Bruxelles-National

Sat 9/5

8:05 am-11:10 am

1 stop12h 05m

Portland

Sun 10/18

1:05 pm-2:40 pm

1 stop16h 35m

$898

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Belgium 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

Prices

Airlines

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 Belgium, 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 Belgium to Washington?

You are more likely to see cheaper flights to State of Washington from Belgium when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $834 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 Belgium for as low as $670 on momondo.

Can stopping save me money on Belgium to State of Washington flights?

You could potentially save up to 34% on your flight if you consider stops on a Belgium to State of Washington flight.

Cheap Belgium to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belgium to State of Washington

Fastest flight time	13h 05m
Direct flights	None

The fastest flight from Belgium to State of Washington takes 13h 05m

There are no direct flights from Belgium to State of Washington. There are no popular flight routes from Belgium to State of Washington.

Search flight deals

Frequently asked questions about flying from Belgium to Washington

When did momondo last update prices for flights from Belgium to Washington?
Prices for flights from Belgium to Washington are updated daily.
How many operators does momondo search for flights from Belgium to Washington?
As of June 2026, there are 6 operators available to choose from for flights from Belgium to Washington.
How old do you have to be to fly from Belgium to Washington?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Belgium to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Belgium to State of Washington

Compare and see reviews for airlines that fly from Belgium to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $584	Free Cancellation	Rating 7.4 9,831 reviews	Search United Airlines flights
British Airways	PriceFrom $586	Free Cancellation	Rating 6.7 8,050 reviews	Search British Airways flights
Icelandair	PriceFrom $604	Free Cancellation	Rating 7.0 675 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $628	Free Cancellation	Rating 7.4 1,828 reviews	Search Scandinavian Airlines flights
KLM	PriceFrom $676	Free Cancellation	Rating 7.8 1,528 reviews	Search KLM flights
Lufthansa	PriceFrom $823	Free Cancellation	Rating 6.8 8,061 reviews	Search Lufthansa flights

Why use momondo?

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

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 Belgium to Washington for you.

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

All flight searches from Belgium to Washington on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Washington from Belgium. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Washington from Belgium are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.