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

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

What airlines fly to State of Washington?

British Airways, Delta and KLM are the top three most popular airlines that fly to State of Washington from Belgium according to our data. British Airways 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 8 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 April 2025, there are 8 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.

$422 Cheap Flights from Belgium to Washington - Save in Minutes

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Find the cheapest flights from Belgium to Washington

Round-trip

One-way

Recent round-trip flight deals from Belgium to Washington

These are some of the best round-trip flight deals from Belgium to Washington that have been recently found on momondo from popular airlines, departing in the coming months.

9:15 pm - 11:10 amBRU-SEA

22h 55m1 stop

8:20 pm - 7:35 pmSEA-BRU

14h 15m1 stop

$606British Airways

Find Deal

Mon, May 26 - Mon, Jun 2

1:50 pm - 5:50 pmBRU-SEA

13h 00m1 stop

7:00 pm - 12:50 pmSEA-BRU

32h 50m1 stop

$618Icelandair

Find Deal

Sat, Sep 6 - Sat, Sep 20

10:20 am - 5:50 pmBRU-SEA

16h 30m1 stop

7:35 pm - 8:40 pmSEA-BRU

16h 05m1 stop

$634Aer Lingus

Find Deal

Sat, Jun 14 - Sun, Jun 29

10:40 am - 9:50 pmBRU-SEA

20h 10m2 stops

1:30 pm - 7:35 pmSEA-BRU

21h 05m1 stop

$635British Airways

Find Deal

Mon, May 26 - Mon, Jun 2

10:20 am - 5:50 pmBRU-SEA

16h 30m1 stop

7:35 pm - 8:40 pmSEA-BRU

16h 05m1 stop

$648Aer Lingus

Find Deal

Thu, Jun 5 - Thu, Jun 19

6:10 am - 6:46 pmBRU-SEA

21h 36m2 stops

9:39 am - 2:35 pmSEA-BRU

19h 56m2 stops

$672Delta

Find Deal

Mon, May 26 - Mon, Jun 2

6:10 am - 4:44 pmBRU-SEA

19h 34m2 stops

7:10 am - 2:35 pmSEA-BRU

22h 25m2 stops

$673Delta

Find Deal

Mon, May 26 - Mon, Jun 2

10:15 am - 11:59 pmBRU-SEA

22h 44m1 stop

7:00 am - 8:50 amSEA-BRU

16h 50m1 stop

$861Lufthansa

Find Deal

Wed, Jul 9 - Fri, Aug 1

8:55 am - 10:42 pmBRU-SEA

22h 47m2 stops

1:55 pm - 5:15 pmSEA-BRU

18h 20m2 stops

$872Lufthansa

Find Deal

Tue, Jul 8 - Wed, Jul 30

3:05 pm - 11:00 amBRU-PDX

28h 55m1 stop

1:15 pm - 9:50 amPDX-BRU

11h 35m1 stop

$898KLM

Find Deal

Sat, Aug 2 - Sat, Aug 23

Icelandair flights from Belgium to State of Washington

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

Icelandair

Sep 6

BRU1:50 pmBrussels Bruxelles-National

13h 00m

1 stop

SEA5:50 pmSeattle/Tacoma Intl

Sep 20

SEA7:00 pmSeattle/Tacoma Intl

32h 50m

1 stop

BRU12:50 pmBrussels Bruxelles-National

$618

Find similar

Icelandair

Oct 9

BRU1:50 pmBrussels Bruxelles-National

13h 00m

1 stop

SEA5:50 pmSeattle/Tacoma Intl

Oct 23

SEA3:45 pmSeattle/Tacoma Intl

12h 05m

1 stop

BRU12:50 pmBrussels Bruxelles-National

$2,744

Find similar

Icelandair

Oct 9

BRU1:50 pmBrussels Bruxelles-National

13h 00m

1 stop

SEA5:50 pmSeattle/Tacoma Intl

Oct 23

SEA3:45 pmSeattle/Tacoma Intl

12h 05m

1 stop

BRU12:50 pmBrussels Bruxelles-National

$2,753

Find similar

Aer Lingus flights from Belgium to State of Washington

Our best Aer Lingus deals on Belgium to State of Washington flight tickets

Aer Lingus

Jun 14

BRU10:20 amBrussels Bruxelles-National

16h 30m

1 stop

SEA5:50 pmSeattle/Tacoma Intl

Jun 29

SEA7:35 pmSeattle/Tacoma Intl

16h 05m

1 stop

BRU8:40 pmBrussels Bruxelles-National

$634

Find similar

Aer Lingus

Jun 5

BRU10:20 amBrussels Bruxelles-National

16h 30m

1 stop

SEA5:50 pmSeattle/Tacoma Intl

Jun 19

SEA7:35 pmSeattle/Tacoma Intl

16h 05m

1 stop

BRU8:40 pmBrussels Bruxelles-National

$648

Find similar

Aer Lingus

May 29

BRU10:20 amBrussels Bruxelles-National

16h 30m

1 stop

SEA5:50 pmSeattle/Tacoma Intl

Jun 4

SEA12:05 amSeattle/Tacoma Intl

24h 35m

2 stops

BRU9:40 amBrussels Bruxelles-National

$1,118

Find similar

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 $662. If you aren’t able to travel to State of Washington during the month of January, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $665.

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

The cheapest day to depart from Belgium 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 Belgium 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 Belgium 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 Belgium when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $748 when searching 25 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 $688 on momondo.

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

Best Price Found	$422
Fastest flight time	12h 05m
Direct flights	None
Airports in State of Washington	2 airports

The best one-way flight to State of Washington from Belgium in the past 72 hours is $422. The best round-trip flight deal from Belgium to State of Washington found on momondo in the last 72 hours is $606.

The fastest flight from Belgium to State of Washington takes 12h 05m

There are no direct flights from Belgium to State of Washington. Popular non-direct routes for this connection are Brussels Bruxelles-National Airport - Portland Airport, Brussels Bruxelles-National Airport - Seattle/Tacoma Intl Airport and Charleroi Brussels Airport - Seattle/Tacoma Intl Airport.

There are 2 airports near State of Washington: Portland (PDX), Seattle/Tacoma Intl (SEA)

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 April 2025, there are 8 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
Aer Lingus	PriceFrom $524	Free Cancellation	Rating 7.0 1,076 reviews	Search Aer Lingus flights
Icelandair	PriceFrom $586	Free Cancellation	Rating 7.0 487 reviews	Search Icelandair flights
KLM	PriceFrom $605	Free Cancellation	Rating 7.8 1,334 reviews	Search KLM flights
British Airways	PriceFrom $611	Free Cancellation	Rating 6.6 6,837 reviews	Search British Airways flights
Delta	PriceFrom $616	Free Cancellation	Rating 8.0 7,934 reviews	Search Delta flights
Finnair	PriceFrom $651	Free Cancellation	Rating 7.6 1,275 reviews	Search Finnair flights
Lufthansa	PriceFrom $670	Free Cancellation	Rating 6.7 7,046 reviews	Search Lufthansa flights
United Airlines	PriceFrom $694	Free Cancellation	Rating 7.4 8,696 reviews	Search United Airlines 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.