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

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

What airlines fly to State of Washington?

British Airways, KLM and Delta 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 32% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 7 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 2025, there are 7 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.

$517 Discover Cheap Flights from Belgium to Washington in 2025

1 adult

0 bags

Deals available from 900+ travel sites.

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

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.

10:20 am - 4:59 pmBRU-SEA

15h 39m1 stop

6:45 pm - 8:40 pmSEA-BRU

16h 55m1 stop

$623Aer Lingus

Find Deal

Wed, Jun 25 - Wed, Jul 9

7:05 pm - 4:00 pmBRU-SEA

29h 55m1 stop

5:40 pm - 6:20 pmSEA-BRU

15h 40m1 stop

$634Finnair

Find Deal

Fri, May 2 - Thu, May 15

8:35 pm - 6:20 pmBRU-SEA

30h 45m1 stop

6:24 am - 2:10 pmSEA-BRU

22h 46m2 stops

$671British Airways

Find Deal

Sun, Jun 22 - Thu, Jul 10

10:55 am - 5:35 pmBRU-PDX

15h 40m1 stop

1:25 pm - 2:25 pmPDX-BRU

16h 00m2 stops

$690British Airways

Find Deal

Tue, Apr 22 - Tue, Apr 29

3:05 pm - 11:20 amBRU-PDX

29h 15m1 stop

1:15 pm - 9:40 amPDX-BRU

11h 25m1 stop

$784Delta

Find Deal

Thu, Apr 3 - Mon, Apr 7

6:10 am - 8:39 pmBRU-PDX

23h 29m2 stops

1:00 pm - 2:35 pmPDX-BRU

16h 35m2 stops

$790Delta

Find Deal

Thu, Apr 3 - Mon, Apr 7

12:00 pm - 8:48 pmBRU-SEA

17h 48m1 stop

8:00 am - 7:15 amSEA-BRU

14h 15m1 stop

$839Lufthansa

Find Deal

Fri, Jun 27 - Sun, Jul 6

7:30 pm - 12:08 amBRU-SEA

37h 38m2 stops

7:00 am - 12:45 pmSEA-BRU

20h 45m2 stops

$1,009Lufthansa

Find Deal

Sun, Jul 20 - Sun, Jul 27

1:50 pm - 5:50 pmBRU-SEA

13h 00m1 stop

11:30 pm - 12:50 pmSEA-BRU

28h 20m1 stop

$2,412Icelandair

Find Deal

Mon, May 12 - Fri, May 23

1:50 pm - 8:40 pmBRU-SEA

15h 50m1 stop

3:45 pm - 12:50 pmSEA-BRU

12h 05m1 stop

$2,852Icelandair

Find Deal

Thu, Jun 12 - Mon, Jun 16

Finnair flights from Belgium to State of Washington

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

Finnair

May 2

BRU7:05 pmBrussels Bruxelles-National

29h 55m

1 stop

SEA4:00 pmSeattle/Tacoma Intl

May 15

SEA5:40 pmSeattle/Tacoma Intl

15h 40m

1 stop

BRU6:20 pmBrussels Bruxelles-National

$634

Find similar

Finnair

May 2

BRU11:40 amBrussels Bruxelles-National

20h 29m

2 stops

SEA11:09 pmSeattle/Tacoma Intl

May 15

SEA5:40 pmSeattle/Tacoma Intl

15h 40m

1 stop

BRU6:20 pmBrussels Bruxelles-National

$638

Find similar

Finnair

May 2

BRU7:05 pmBrussels Bruxelles-National

29h 55m

1 stop

SEA4:00 pmSeattle/Tacoma Intl

May 15

SEA5:40 pmSeattle/Tacoma Intl

15h 40m

1 stop

BRU6:20 pmBrussels Bruxelles-National

$642

Find similar

Air Canada flights from Belgium to State of Washington

Our best Air Canada deals on Belgium to State of Washington flight tickets

Air Canada

Jun 17

BRU10:00 amBrussels Bruxelles-National

19h 37m

1 stop

SEA8:37 pmSeattle/Tacoma Intl

Jul 2

SEA7:20 amSeattle/Tacoma Intl

15h 40m

1 stop

BRU8:00 amBrussels Bruxelles-National

$687

Find similar

Air Canada

Jun 17

BRU7:00 amBrussels Bruxelles-National

16h 13m

2 stops

SEA2:13 pmSeattle/Tacoma Intl

Jul 2

SEA7:20 amSeattle/Tacoma Intl

17h 25m

2 stops

BRU9:45 amBrussels Bruxelles-National

$693

Find similar

Air Canada

Jun 24

BRU7:00 amBrussels Bruxelles-National

20h 36m

2 stops

SEA6:36 pmSeattle/Tacoma Intl

Jul 11

SEA7:20 amSeattle/Tacoma Intl

15h 40m

1 stop

BRU8:00 amBrussels Bruxelles-National

$707

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 26 weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $742 when searching 26 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 $533 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	$517
Fastest flight time	13h 00m
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 $517. The best round-trip flight deal from Belgium to State of Washington found on momondo in the last 72 hours is $623.

The fastest flight from Belgium to State of Washington takes 13h 00m

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 March 2025, there are 7 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 1,063 reviews	Search Aer Lingus flights
Icelandair	PriceFrom $586	Free Cancellation	Rating 7.0 478 reviews	Search Icelandair flights
KLM	PriceFrom $605	Free Cancellation	Rating 7.8 1,320 reviews	Search KLM flights
British Airways	PriceFrom $615	Free Cancellation	Rating 6.6 6,713 reviews	Search British Airways flights
Delta	PriceFrom $616	Free Cancellation	Rating 8.0 7,944 reviews	Search Delta flights
Finnair	PriceFrom $651	Free Cancellation	Rating 7.6 1,268 reviews	Search Finnair flights
Lufthansa	PriceFrom $670	Free Cancellation	Rating 6.7 6,941 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.