How does KAYAK find such low prices on flights from District of Columbia to Belgium?

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 District of Columbia to Belgium. 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 District of Columbia to Belgium?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belgium from District of Columbia 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 District of Columbia to Belgium?

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 Belgium with an airline and back to District of Columbia 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 District of Columbia to Belgium?

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 Belgium from District of Columbia 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>

$263 CHEAP FLIGHTS from District of Columbia to Belgium

Search hundreds of travel sites at once for deals on flights to Belgium

...and more

In the last 7 days travelers have searched 47,946,175 times on KAYAK, and here is why:

Save 22% or moreCompare multiple travel sites with one search.

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

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

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

Low season	February
High season	July
Cheapest flight	$263

Best time to beat the crowds with an average 27% drop in price.

Most popular time to fly with an average 10% increase in price.

Flight from Washington, D.C. to Charleroi Brussels

How does KAYAK find such low prices on flights from District of Columbia to Belgium?
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 District of Columbia to Belgium.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from District of Columbia to Belgium?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belgium from District of Columbia 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 District of Columbia to Belgium?
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 Belgium with an airline and back to District of Columbia with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from District of Columbia to Belgium?
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 Belgium from District of Columbia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from District of Columbia to Belgium

Recent round-trip flight deals

1/12Sun

1 stopScandinavian Airlines

16h 00mIAD-BRU

1/21Tue

2 stopsScandinavian Airlines

50h 45mBRU-IAD

$444

1/12Sun

1 stopScandinavian Airlines

16h 00mIAD-BRU

1/21Tue

1 stopScandinavian Airlines

29h 50mBRU-IAD

$447

1/26Sun

1 stopTAP AIR PORTUGAL

19h 15mIAD-BRU

2/7Fri

1 stopTAP AIR PORTUGAL

27h 05mBRU-IAD

$478

2/4Tue

1 stopTAP AIR PORTUGAL

11h 30mIAD-BRU

2/8Sat

1 stopTAP AIR PORTUGAL

15h 00mBRU-IAD

$495

1/14Tue

1 stopAer Lingus

10h 25mIAD-BRU

1/30Thu

1 stopAer Lingus

11h 25mBRU-IAD

$555

2/11Tue

1 stopTurkish Airlines

18h 25mIAD-BRU

2/24Mon

1 stopTurkish Airlines

31h 00mBRU-IAD

$559

2/20Thu

1 stopTurkish Airlines

26h 00mIAD-BRU

2/24Mon

1 stopTurkish Airlines

31h 00mBRU-IAD

$586

1/8Wed

1 stopAer Lingus

10h 25mIAD-BRU

1/17Fri

1 stopAer Lingus

11h 25mBRU-IAD

$593

2/4Tue

1 stop

13h 45mIAD-CRL

2/9Sun

1 stop

17h 25mCRL-IAD

$594

2/4Tue

1 stop

13h 45mIAD-CRL

2/8Sat

1 stop

14h 00mCRL-IAD

$603

Recent one-way flight deals

1/21Tue

2 stops

32h 30mIAD-CRL

$263

1/6Mon

3 stops

54h 50mIAD-CRL

$285

1/21Tue

2 stops

16h 35mIAD-BRU

$290

12/8Sun

1 stopScandinavian Airlines

10h 40mIAD-BRU

$361

12/8Sun

2 stopsScandinavian Airlines

19h 05mIAD-BRU

$384

1/21Tue

1 stopTAP AIR PORTUGAL

17h 35mIAD-BRU

$406

1/10Fri

1 stopTAP AIR PORTUGAL

13h 00mIAD-BRU

$432

2/1Sat

2 stopsIcelandair

14h 55mDCA-BRU

$473

1/7Tue

2 stopsAer Lingus

29h 40mIAD-BRU

$530

11/27Wed

2 stopsIcelandair

22h 00mDCA-BRU

$674