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

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

What airlines fly to State of Washington?

Icelandair, KLM and Lufthansa 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 27% 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 March 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.

$359 Cheap Flights from Belgium to Washington in 2026

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

$614Aer Lingus

Thu, Apr 30 - Wed, May 13

8:00 pm - 6:45 pm

BRU

SEA

31h 45m

2 stops

7:00 pm - 12:55 pm

SEA

BRU

32h 55m

1 stop

$644Multiple Airlines

Mon, Apr 27 - Mon, May 4

10:20 am - 5:10 pm

BRU

SEA

15h 50m

1 stop

7:10 pm - 8:45 pm

SEA

BRU

16h 35m

1 stop

$658Aer Lingus

Thu, Apr 30 - Wed, May 13

6:30 pm - 6:45 pm

BRU

SEA

33h 15m

2 stops

7:00 pm - 12:55 pm

SEA

BRU

32h 55m

1 stop

$666Multiple Airlines

Thu, Apr 30 - Wed, May 13

6:30 pm - 6:45 pm

BRU

SEA

33h 15m

2 stops

7:00 pm - 12:55 pm

SEA

BRU

32h 55m

1 stop

$668Multiple Airlines

Thu, Apr 30 - Wed, May 13

6:30 pm - 6:45 pm

BRU

SEA

33h 15m

2 stops

7:00 pm - 12:55 pm

SEA

BRU

32h 55m

1 stop

$671Multiple Airlines

Thu, Apr 30 - Wed, May 13

10:20 am - 7:23 pm

BRU

SEA

42h 03m

2 stops

7:00 pm - 12:55 pm

SEA

BRU

32h 55m

1 stop

$678Multiple Airlines

Thu, Apr 30 - Wed, May 13

7:10 pm - 1:45 pm

BRU

SEA

27h 35m

1 stop

3:55 pm - 9:40 am

SEA

BRU

32h 45m

1 stop

$688Scandinavian Airlines

Thu, Sep 3 - Fri, Sep 18

10:20 am - 6:41 pm

BRU

PDX

17h 21m

2 stops

1:38 pm - 7:50 pm

PDX

BRU

21h 12m

2 stops

$782Scandinavian Airlines

Fri, Aug 28 - Fri, Sep 11

5:45 am - 10:22 pm

BRU

PDX

25h 37m

2 stops

1:00 pm - 2:35 pm

PDX

BRU

40h 35m

2 stops

$808Scandinavian Airlines

Tue, Aug 25 - Thu, Sep 10

Icelandair flights from Belgium to State of Washington

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

Icelandair

Apr 30

BRU1:50 pmBrussels Bruxelles-National

15h 50m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

May 13

SEA7:00 pmSeattle/Tacoma Intl

32h 55m

1 stop

BRU12:55 pmBrussels Bruxelles-National

$748

Icelandair

Apr 30

BRU1:50 pmBrussels Bruxelles-National

15h 50m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

May 13

SEA7:00 pmSeattle/Tacoma Intl

32h 55m

1 stop

BRU12:55 pmBrussels Bruxelles-National

$754

Icelandair

Apr 30

BRU1:50 pmBrussels Bruxelles-National

13h 05m

1 stop

SEA5:55 pmSeattle/Tacoma Intl

May 13

SEA7:00 pmSeattle/Tacoma Intl

32h 55m

1 stop

BRU12:55 pmBrussels Bruxelles-National

$770

Scandinavian Airlines flights from Belgium to State of Washington

Our best Scandinavian Airlines deals on Belgium to State of Washington flight tickets

Scandinavian Airlines

Sep 3

BRU7:10 pmBrussels Bruxelles-National

27h 35m

1 stop

SEA1:45 pmSeattle/Tacoma Intl

Sep 18

SEA3:55 pmSeattle/Tacoma Intl

32h 45m

1 stop

BRU9:40 amBrussels Bruxelles-National

$688

Scandinavian Airlines

Sep 3

BRU11:20 amBrussels Bruxelles-National

35h 25m

2 stops

SEA1:45 pmSeattle/Tacoma Intl

Sep 22

SEA3:55 pmSeattle/Tacoma Intl

32h 45m

1 stop

BRU9:40 amBrussels Bruxelles-National

$692

Scandinavian Airlines

Sep 4

BRU5:45 amBrussels Bruxelles-National

17h 00m

1 stop

SEA1:45 pmSeattle/Tacoma Intl

Sep 18

SEA3:55 pmSeattle/Tacoma Intl

18h 55m

1 stop

BRU7:50 pmBrussels Bruxelles-National

$700

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Thu 4/30

10:20 am-5:10 pm

1 stop15h 50m

Seattle/Tacoma Intl

Wed 5/13

7:10 pm-8:45 pm

1 stop16h 35m

$614

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Mon 4/27

8:00 pm-6:45 pm

2 stops31h 45m

Seattle/Tacoma Intl

Mon 5/4

7:00 pm-12:55 pm

1 stop32h 55m

$644

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Thu 4/30

10:20 am-5:10 pm

1 stop15h 50m

Seattle/Tacoma Intl

Wed 5/13

7:10 pm-8:45 pm

1 stop16h 35m

$658

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Thu 4/30

6:30 pm-6:45 pm

2 stops33h 15m

Seattle/Tacoma Intl

Wed 5/13

7:00 pm-12:55 pm

1 stop32h 55m

$666

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Thu 4/30

6:30 pm-6:45 pm

2 stops33h 15m

Seattle/Tacoma Intl

Wed 5/13

7:00 pm-12:55 pm

1 stop32h 55m

$668

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Thu 4/30

6:30 pm-6:45 pm

2 stops33h 15m

Seattle/Tacoma Intl

Wed 5/13

7:00 pm-12:55 pm

1 stop32h 55m

$671

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Thu 4/30

10:20 am-7:23 pm

2 stops42h 03m

Seattle/Tacoma Intl

Wed 5/13

7:00 pm-12:55 pm

1 stop32h 55m

$678

BrusselsSeattle

BRU - SEA

BRUSEA

Brussels Bruxelles-National

Thu 9/3

7:10 pm-1:45 pm

1 stop27h 35m

Seattle/Tacoma Intl

Fri 9/18

3:55 pm-9:40 am

1 stop32h 45m

$688

BrusselsPortland

BRU - PDX

BRUPDX

Brussels Bruxelles-National

Fri 8/28

10:20 am-6:41 pm

2 stops17h 21m

Portland

Fri 9/11

1:38 pm-7:50 pm

2 stops21h 12m

$782

BrusselsPortland

BRU - PDX

BRUPDX

Brussels Bruxelles-National

Tue 8/25

5:45 am-10:22 pm

2 stops25h 37m

Portland

Thu 9/10

1:00 pm-2:35 pm

2 stops40h 35m

$808

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 June is also cheap. Prices for this month can be found on momondo for an average of $701.

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 $802 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 $653 on momondo.

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

You could potentially save up to 37% 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	12h 25m
Direct flights	None

The fastest flight from Belgium to State of Washington takes 12h 25m

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 March 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 9,424 reviews	Search United Airlines flights
British Airways	PriceFrom $592	Free Cancellation	Rating 6.7 7,786 reviews	Search British Airways flights
Icelandair	PriceFrom $604	Free Cancellation	Rating 7.1 620 reviews	Search Icelandair flights
KLM	PriceFrom $673	Free Cancellation	Rating 7.8 1,471 reviews	Search KLM flights
Lufthansa	PriceFrom $761	Free Cancellation	Rating 6.8 7,848 reviews	Search Lufthansa flights
Delta	PriceFrom $787	Free Cancellation	Rating 7.9 8,291 reviews	Search Delta 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.