How does KAYAK find such low prices on flights from Washington to Brussels?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Brussels. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Brussels?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Brussels from Washington is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Washington to Brussels?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Brussels with an airline and back to Washington with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Brussels?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Brussels from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$211 CHEAP FLIGHTS from Washington to Brussels

KAYAK searches hundreds of travel sites at once for deals on flights to Brussels

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 20% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flights Deals

Cheap Flights from Washington to Brussels

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington to Brussels that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Washington to Brussels

Wed, Nov 5 - Sun, Nov 16

2:35 pm - 11:55 amSEA-BRU

12h 20m1 stop

12:50 pm - 5:00 pmBRU-SEA

13h 10m1 stop

$439Icelandair

Find Deal

Wed, Nov 5 - Sun, Nov 16

2:35 pm - 11:55 amSEA-BRU

12h 20m1 stop

12:50 pm - 5:00 pmBRU-SEA

13h 10m1 stop

$447Icelandair

Find Deal

Thu, Aug 7 - Fri, Aug 22

6:00 am - 8:40 amSEA-BRU

17h 40m1 stop

10:45 am - 11:59 pmBRU-SEA

22h 14m1 stop

$457

Find Deal

Thu, Aug 7 - Fri, Aug 22

6:00 am - 8:40 amSEA-BRU

17h 40m1 stop

10:45 am - 11:59 pmBRU-SEA

22h 14m1 stop

$473Virgin Atlantic

Find Deal

Thu, Aug 14 - Wed, Aug 20

7:20 am - 8:40 amSEA-BRU

16h 20m1 stop

10:45 am - 8:21 pmBRU-SEA

18h 36m1 stop

$482Delta

Find Deal

Wed, Nov 5 - Mon, Nov 17

6:00 am - 9:00 amSEA-BRU

18h 00m2 stops

11:00 am - 10:16 pmBRU-SEA

20h 16m1 stop

$486Virgin Atlantic

Find Deal

Fri, Aug 1 - Mon, Aug 25

9:30 pm - 8:40 amSEA-BRU

26h 10m1 stop

10:45 am - 11:15 pmBRU-SEA

21h 30m1 stop

$487Delta

Find Deal

Thu, Aug 7 - Fri, Aug 22

5:30 am - 8:00 amSEA-BRU

17h 30m2 stops

10:00 am - 6:36 pmBRU-SEA

17h 36m2 stops

$497Air Canada

Find Deal

Thu, Aug 7 - Fri, Aug 22

7:20 am - 8:00 amSEA-BRU

15h 40m1 stop

10:00 am - 9:21 amBRU-SEA

32h 21m2 stops

$502Air Canada

Find Deal

Tue, Aug 19 - Wed, Aug 27

7:20 am - 8:00 amSEA-BRU

15h 40m1 stop

10:00 am - 10:16 pmBRU-SEA

21h 16m2 stops

$507

Find Deal

Useful Info

Cheapest flight	$211

Flight from Seattle to Brussels Airport

How does KAYAK find such low prices on flights from Washington to Brussels?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Brussels.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Brussels?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Brussels from Washington is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Washington to Brussels?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Brussels with an airline and back to Washington with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Brussels?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Brussels from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Brussels

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Cabin class types available on flights to Washington

First Class flights to Brussels

Business Class flights to Brussels

Prem Econ Class flights to Brussels

Economy Class flights to Brussels

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

$211 Find Cheap Flights from Washington to Brussels

KAYAK searches hundreds of travel sites at once for deals on flights to Brussels

Cheap Flights from Washington to Brussels

Recent round-trip flight deals from Washington to Brussels

Recent one-way flight deals from Washington to Brussels

Recent last minute flight deals from Washington to Brussels

Good to know

FAQs for booking flights from Washington to Brussels

How does KAYAK find such low prices on flights from Washington to Brussels?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Brussels.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Brussels?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Brussels from Washington is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Washington to Brussels?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Brussels with an airline and back to Washington with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Brussels?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Brussels from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Brussels

Cabin class types available on flights to Washington

Complete your trip to Brussels with a hotel stay or car rental

Find direct flights for Brussels

Flights to other popular destinations

Flights from domestic origins to Brussels

Choose which airport to fly into in Brussels

Find deals for your return flight