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

British Airways and Aer Lingus are the most popular carriers operating from Belgium to Washington

What airlines fly to State of Washington?

Icelandair, British Airways and KLM 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 30% 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 January 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.

$369 Cheap Flights from Belgium to Washington in 2026

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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.

12:50 pm - 6:00 pm

BRU

SEA

13h 10m

1 stop

7:00 pm - 11:55 am

SEA

BRU

32h 55m

1 stop

$547Icelandair

Thu, Mar 12 - Fri, Mar 27

9:25 pm - 10:18 pm

BRU

SEA

33h 53m

2 stops

3:40 pm - 12:55 pm

SEA

BRU

12h 15m

1 stop

$565Multiple Airlines

Mon, May 4 - Tue, May 19

7:55 pm - 11:35 am

BRU

SEA

24h 40m

1 stop

8:20 pm - 8:25 pm

SEA

BRU

15h 05m

1 stop

$578Multiple Airlines

Tue, Jun 16 - Tue, Jul 7

9:15 pm - 11:35 am

BRU

SEA

23h 20m

1 stop

8:20 pm - 9:10 pm

SEA

BRU

15h 50m

1 stop

$600Multiple Airlines

Thu, Jun 25 - Fri, Jul 10

10:55 am - 5:40 pm

BRU

PDX

15h 45m

1 stop

7:30 pm - 7:55 pm

PDX

BRU

15h 25m

1 stop

$647British Airways

Tue, Jun 2 - Sat, Jun 20

10:20 am - 10:24 pm

BRU

PDX

21h 04m

2 stops

1:02 pm - 2:30 pm

PDX

BRU

40h 28m

2 stops

$730Scandinavian Airlines

Thu, Feb 26 - Mon, Mar 2

10:20 am - 10:24 pm

BRU

PDX

21h 04m

2 stops

1:02 pm - 2:30 pm

PDX

BRU

40h 28m

2 stops

$738Scandinavian Airlines

Thu, Feb 26 - Mon, Mar 2

11:50 am - 3:55 pm

BRU

PDX

13h 05m

1 stop

1:52 pm - 7:55 pm

PDX

BRU

21h 03m

2 stops

$751British Airways

Mon, Feb 23 - Sun, Mar 1

2:45 pm - 11:25 am

BRU

PDX

29h 40m

1 stop

1:25 pm - 10:10 am

PDX

BRU

11h 45m

1 stop

$754Delta

Thu, Feb 26 - Mon, Mar 2

2:45 pm - 11:25 am

BRU

PDX

29h 40m

1 stop

9:45 pm - 2:15 pm

PDX

BRU

31h 30m

2 stops

$757Delta

Sat, Feb 21 - Sat, Feb 28

Finnair flights from Belgium to State of Washington

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

Finnair

May 14

BRU6:30 amBrussels Bruxelles-National

24h 56m

2 stops

SEA10:26 pmSeattle/Tacoma Intl

May 26

SEA8:20 pmSeattle/Tacoma Intl

28h 00m

2 stops

BRU9:20 amBrussels Bruxelles-National

$679

Finnair

Jun 2

BRU11:20 amBrussels Bruxelles-National

33h 15m

2 stops

SEA11:35 amSeattle/Tacoma Intl

Jun 18

SEA1:35 pmSeattle/Tacoma Intl

34h 45m

2 stops

BRU9:20 amBrussels Bruxelles-National

$685

Finnair

May 5

BRU11:20 amBrussels Bruxelles-National

20h 06m

2 stops

SEA10:26 pmSeattle/Tacoma Intl

Jun 16

SEA8:20 pmSeattle/Tacoma Intl

28h 00m

2 stops

BRU9:20 amBrussels Bruxelles-National

$707

Delta flights from Belgium to State of Washington

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

Delta

May 6

BRU6:20 amBrussels Bruxelles-National

14h 22m

1 stop

SEA11:42 amSeattle/Tacoma Intl

May 28

SEA9:30 amSeattle/Tacoma Intl

20h 10m

2 stops

BRU2:40 pmBrussels Bruxelles-National

$648

Delta

Apr 3

BRU10:25 amBrussels Bruxelles-National

15h 05m

1 stop

SEA4:30 pmSeattle/Tacoma Intl

Apr 17

SEA9:00 amSeattle/Tacoma Intl

20h 40m

2 stops

BRU2:40 pmBrussels Bruxelles-National

$691

Delta

Mar 3

BRU8:05 amBrussels Bruxelles-National

12h 30m

1 stop

SEA11:35 amSeattle/Tacoma Intl

May 2

SEA11:00 pmSeattle/Tacoma Intl

23h 40m

1 stop

BRU7:40 amBrussels Bruxelles-National

$692

Fly from

Fly to

Route

Depart

Return

Price

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Thu 3/12

12:50 pm-6:00 pm

1 stop13h 10m

Seattle/Tacoma Intl

Fri 3/27

7:00 pm-11:55 am

1 stop32h 55m

$547

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Mon 5/4

9:25 pm-10:18 pm

2 stops33h 53m

Seattle/Tacoma Intl

Tue 5/19

3:40 pm-12:55 pm

1 stop12h 15m

$565

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Tue 6/16

7:55 pm-11:35 am

1 stop24h 40m

Seattle/Tacoma Intl

Tue 7/7

8:20 pm-8:25 pm

1 stop15h 05m

$578

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Thu 6/25

9:15 pm-11:35 am

1 stop23h 20m

Seattle/Tacoma Intl

Fri 7/10

8:20 pm-9:10 pm

1 stop15h 50m

$600

BrusselsPortland

BRU - PDX

BRUPDX

Brussels Bruxelles-National

Tue 6/2

10:55 am-5:40 pm

1 stop15h 45m

Portland

Sat 6/20

7:30 pm-7:55 pm

1 stop15h 25m

$647

BrusselsPortland

BRU - PDX

BRUPDX

Brussels Bruxelles-National

Thu 2/26

10:20 am-10:24 pm

2 stops21h 04m

Portland

Mon 3/2

1:02 pm-2:30 pm

2 stops40h 28m

$730

BrusselsPortland

BRU - PDX

BRUPDX

Brussels Bruxelles-National

Thu 2/26

10:20 am-10:24 pm

2 stops21h 04m

Portland

Mon 3/2

1:02 pm-2:30 pm

2 stops40h 28m

$738

BrusselsPortland

BRU - PDX

BRUPDX

Brussels Bruxelles-National

Mon 2/23

11:50 am-3:55 pm

1 stop13h 05m

Portland

Sun 3/1

1:52 pm-7:55 pm

2 stops21h 03m

$751

BrusselsPortland

BRU - PDX

BRUPDX

Brussels Bruxelles-National

Thu 2/26

2:45 pm-11:25 am

1 stop29h 40m

Portland

Mon 3/2

1:25 pm-10:10 am

1 stop11h 45m

$754

BrusselsPortland

BRU - PDX

BRUPDX

Brussels Bruxelles-National

Sat 2/21

2:45 pm-11:25 am

1 stop29h 40m

Portland

Sat 2/28

9:45 pm-2:15 pm

2 stops31h 30m

$757

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 December is, on average, the cheapest month to fly to State of Washington from Belgium, with most prices found around $597. 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 $667.

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 Belgium when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $722 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 $669 on momondo.

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

You could potentially save up to 41% 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

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 January 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 9,191 reviews	Search United Airlines flights
Icelandair	PriceFrom $586	Free Cancellation	Rating 7.1 602 reviews	Search Icelandair flights
British Airways	PriceFrom $592	Free Cancellation	Rating 6.7 7,689 reviews	Search British Airways flights
KLM	PriceFrom $605	Free Cancellation	Rating 7.7 1,442 reviews	Search KLM flights
Delta	PriceFrom $616	Free Cancellation	Rating 7.9 8,088 reviews	Search Delta flights
Lufthansa	PriceFrom $687	Free Cancellation	Rating 6.8 7,738 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.