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

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

What airlines fly to State of Washington?

Lufthansa, KLM and Scandinavian Airlines are the top three most popular airlines that fly to State of Washington from Belgium according to our data. Lufthansa is the first choice among our users, with 41% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 4 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 September 2026, there are 4 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.

$454 Cheap Flights from Belgium to Washington in 2026/27

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.

12:50 pm - 5:00 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

13h 10m1 stop Reykjavik Keflavik Intl

2:35 pm - 11:55 amSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

12h 20m1 stop Reykjavik Keflavik Intl

$654Icelandair

Thu, Nov 5 - Wed, Nov 18

12:50 pm - 5:00 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

13h 10m1 stop Reykjavik Keflavik Intl

2:35 pm - 11:55 amSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

12h 20m1 stop Reykjavik Keflavik Intl

$656Icelandair

Thu, Nov 5 - Wed, Nov 18

7:10 pm - 1:45 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

27h 35m1 stop Kastrup Copenhagen

3:55 pm - 9:40 amSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

32h 45m1 stop Kastrup Copenhagen

$777Scandinavian Airlines

Fri, Oct 2 - Fri, Oct 9

10:20 am - 1:45 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

12h 25m1 stop Kastrup Copenhagen

3:55 pm - 9:40 amSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

32h 45m1 stop Kastrup Copenhagen

$777Scandinavian Airlines

Sun, Oct 4 - Fri, Oct 9

6:20 am - 12:20 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

15h 00m1 stop Frankfurt am Main

6:50 pm - 5:15 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

13h 25m1 stop Munich Franz Josef Strauss

$835Lufthansa

Thu, Oct 8 - Wed, Oct 21

7:00 am - 12:00 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

14h 00m1 stop Frankfurt am Main

2:50 pm - 4:15 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

16h 25m1 stop Munich Franz Josef Strauss

$837Lufthansa

Thu, Nov 5 - Wed, Nov 18

7:00 am - 12:00 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

14h 00m1 stop Frankfurt am Main

11:15 pm - 8:05 amSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

23h 50m1 stop Newark

$857United Airlines

Sat, Nov 7 - Mon, Nov 23

8:35 am - 12:20 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

12h 45m1 stop Frankfurt am Main

8:25 am - 7:15 amSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

13h 50m1 stop Washington, D.C. Dulles Intl

$860United Airlines

Thu, Oct 1 - Wed, Oct 7

8:05 am - 11:20 amBRU Brussels Bruxelles-National-PDX Portland

12h 15m1 stop Amsterdam Schiphol

11:51 am - 11:00 amPDX Portland-BRU Brussels Bruxelles-National

14h 09m1 stop Atlanta Hartsfield-Jackson

$899KLM

Fri, Nov 6 - Sat, Nov 14

8:05 am - 11:20 amBRU Brussels Bruxelles-National-PDX Portland

12h 15m1 stop Amsterdam Schiphol

6:45 am - 11:00 amPDX Portland-BRU Brussels Bruxelles-National

19h 15m1 stop Atlanta Hartsfield-Jackson

$900KLM

Fri, Nov 6 - Sat, Nov 14

Recent last minute flight deals from Belgium to Washington

Enter your travel dates to find the best prices.

1:50 pm - 8:40 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

15h 50m1 stop Reykjavik Keflavik Intl

3:40 pm - 12:55 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

12h 15m1 stop Reykjavik Keflavik Intl

$876Icelandair

Fri, Sep 18 - Fri, Sep 25

1:50 pm - 8:40 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

15h 50m1 stop Reykjavik Keflavik Intl

7:00 pm - 12:55 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

32h 55m1 stop Reykjavik Keflavik Intl

$1,034Icelandair

Thu, Sep 17 - Thu, Sep 24

8:30 pm - 1:45 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

26h 15m1 stop Kastrup Copenhagen

7:15 am - 2:35 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

22h 20m2 stops Chicago O'Hare Intl Kastrup Copenhagen

$1,076Scandinavian Airlines

Thu, Sep 17 - Thu, Sep 24

9:20 pm - 2:00 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

25h 40m2 stops Munich Franz Josef Strauss London Heathrow

5:30 pm - 9:40 amSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

31h 10m2 stops London Heathrow Dublin

$1,081Multiple Airlines

Fri, Sep 18 - Fri, Sep 25

8:45 am - 5:10 pmCRL Charleroi Brussels-SEA Seattle/Tacoma Intl

17h 25m2 stops Manchester Dublin

7:10 pm - 10:35 pmSEA Seattle/Tacoma Intl-CRL Charleroi Brussels

18h 25m2 stops Dublin Manchester

$1,085Multiple Airlines

Fri, Sep 18 - Fri, Sep 25

12:00 pm - 9:05 pmBRU Brussels Bruxelles-National-PDX Portland

18h 05m2 stops Washington, D.C. Dulles Intl Denver Intl

12:45 pm - 9:00 amPDX Portland-BRU Brussels Bruxelles-National

35h 15m2 stops Denver Intl Chicago O'Hare Intl

$1,104United Airlines

Sun, Sep 20 - Sat, Sep 26

8:30 am - 11:55 amBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

12h 25m1 stop Frankfurt am Main

8:25 am - 7:15 amSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

13h 50m1 stop Washington, D.C. Dulles Intl

$1,125Lufthansa

Wed, Sep 16 - Sat, Sep 26

8:30 am - 11:55 amBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

12h 25m1 stop Frankfurt am Main

8:25 am - 11:50 amSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

18h 25m2 stops Washington, D.C. Dulles Intl Frankfurt am Main

$1,129Lufthansa

Wed, Sep 16 - Sat, Sep 26

10:20 am - 11:00 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

21h 40m2 stops Kastrup Copenhagen Boston Logan Intl

3:55 pm - 6:20 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

17h 25m2 stops Kastrup Copenhagen Oslo Gardermoen

$1,142Scandinavian Airlines

Wed, Sep 16 - Sat, Sep 26

10:20 am - 11:20 pmBRU Brussels Bruxelles-National-SEA Seattle/Tacoma Intl

22h 00m2 stops Kastrup Copenhagen New York John F Kennedy Intl

3:55 pm - 6:20 pmSEA Seattle/Tacoma Intl-BRU Brussels Bruxelles-National

17h 25m2 stops Kastrup Copenhagen Oslo Gardermoen

$1,143Scandinavian Airlines

Wed, Sep 16 - Sat, Sep 26

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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

Nov 5

BRU12:50 pmBrussels Bruxelles-National

13h 10m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

Nov 18

SEA2:35 pmSeattle/Tacoma Intl

12h 20m

1 stop

BRU11:55 amBrussels Bruxelles-National

$654

Icelandair

Nov 5

BRU12:50 pmBrussels Bruxelles-National

13h 10m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

Nov 18

SEA2:35 pmSeattle/Tacoma Intl

12h 20m

1 stop

BRU11:55 amBrussels Bruxelles-National

$656

Icelandair

Nov 5

BRU12:50 pmBrussels Bruxelles-National

13h 10m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

Nov 18

SEA2:35 pmSeattle/Tacoma Intl

12h 20m

1 stop

BRU11:55 amBrussels Bruxelles-National

$666

Lufthansa flights from Belgium to State of Washington

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

Lufthansa

Oct 8

BRU8:35 amBrussels Bruxelles-National

12h 45m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

Oct 21

SEA7:00 amSeattle/Tacoma Intl

18h 20m

2 stops

BRU10:20 amBrussels Bruxelles-National

$839

Lufthansa

Oct 29

BRU8:25 amBrussels Bruxelles-National

18h 38m

2 stops

SEA7:03 pmSeattle/Tacoma Intl

Nov 5

SEA8:09 amSeattle/Tacoma Intl

17h 01m

2 stops

BRU10:10 amBrussels Bruxelles-National

$852

Lufthansa

Sep 16

BRU8:30 amBrussels Bruxelles-National

12h 25m

1 stop

SEA11:55 amSeattle/Tacoma Intl

Sep 26

SEA8:25 amSeattle/Tacoma Intl

13h 50m

1 stop

BRU7:15 amBrussels Bruxelles-National

$1,125

momondo Fare Finder

Use the filters below to find and compare flights from Belgium to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

BrusselsSeattle

BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl

BRUSEA

Brussels Bruxelles-National

Thu 11/5

12:50 pm-5:00 pm

1 stop13h 10m

Seattle/Tacoma Intl

Wed 11/18

2:35 pm-11:55 am

1 stop12h 20m

$654

BrusselsSeattle

BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl

BRUSEA

Brussels Bruxelles-National

Thu 11/5

12:50 pm-5:00 pm

1 stop13h 10m

Seattle/Tacoma Intl

Wed 11/18

2:35 pm-11:55 am

1 stop12h 20m

$656

BrusselsSeattle

BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl

BRUSEA

Brussels Bruxelles-National

Fri 10/2

7:10 pm-1:45 pm

1 stop27h 35m

Seattle/Tacoma Intl

Fri 10/9

3:55 pm-9:40 am

1 stop32h 45m

$777

BrusselsSeattle

BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl

BRUSEA

Brussels Bruxelles-National

Sun 10/4

10:20 am-1:45 pm

1 stop12h 25m

Seattle/Tacoma Intl

Fri 10/9

3:55 pm-9:40 am

1 stop32h 45m

$777

BrusselsSeattle

BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl

BRUSEA

Brussels Bruxelles-National

Thu 10/8

6:20 am-12:20 pm

1 stop15h 00m

Seattle/Tacoma Intl

Wed 10/21

6:50 pm-5:15 pm

1 stop13h 25m

$835

BrusselsSeattle

BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl

BRUSEA

Brussels Bruxelles-National

Thu 11/5

7:00 am-12:00 pm

1 stop14h 00m

Seattle/Tacoma Intl

Wed 11/18

2:50 pm-4:15 pm

1 stop16h 25m

$837

BrusselsSeattle

BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl

BRUSEA

Brussels Bruxelles-National

Sat 11/7

7:00 am-12:00 pm

1 stop14h 00m

Seattle/Tacoma Intl

Mon 11/23

11:15 pm-8:05 am

1 stop23h 50m

$857

BrusselsSeattle

BRU Brussels Bruxelles-National - SEA Seattle/Tacoma Intl

BRUSEA

Brussels Bruxelles-National

Thu 10/1

8:35 am-12:20 pm

1 stop12h 45m

Seattle/Tacoma Intl

Wed 10/7

8:25 am-7:15 am

1 stop13h 50m

$860

BrusselsPortland

BRU Brussels Bruxelles-National - PDX Portland

BRUPDX

Brussels Bruxelles-National

Fri 11/6

8:05 am-11:20 am

1 stop12h 15m

Portland

Sat 11/14

11:51 am-11:00 am

1 stop14h 09m

$899

BrusselsPortland

BRU Brussels Bruxelles-National - PDX Portland

BRUPDX

Brussels Bruxelles-National

Fri 11/6

8:05 am-11:20 am

1 stop12h 15m

Portland

Sat 11/14

6:45 am-11:00 am

1 stop19h 15m

$900

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 May is, on average, the cheapest month to fly to State of Washington from Belgium, with most prices found around $860. If you aren’t able to travel to State of Washington during the month of May, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $883.

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 $969 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 $767 on momondo.

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

You could potentially save up to 28% 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

Best Price Found	$454
Fastest flight time	13h 05m
Direct flights	None

The best one-way flight to State of Washington from Belgium in the past 72 hours is $454. The best round-trip flight deal from Belgium to State of Washington found on momondo in the last 72 hours is $654.

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 September 2026, there are 4 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 10,209 reviews	Search United Airlines flights
KLM	PriceFrom $676	Free Cancellation	Rating 7.8 1,580 reviews	Search KLM flights
Scandinavian Airlines	PriceFrom $711	Free Cancellation	Rating 7.4 1,984 reviews	Search Scandinavian Airlines flights
Lufthansa	PriceFrom $823	Free Cancellation	Rating 6.8 8,220 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.