Dulles (IAD) to Zaventem (BRU) flights

United Airlines, Brussels Airlines fly nonstop from Washington Dulles International Airport to Brussels Airport, with about 12 flights a week in July 2026. The 3,892-mile flight takes about 5h 45m gate to gate.

From
IAD
Dulles
Washington Dulles International Airport
To
BRU
Zaventem
Brussels Airport
Distance
3,892 mi · 6,264 km
Flight time
5h 45m
Airlines
2
Seats filled
85%
Flights a week, July 2026
464 flights and 128,330 passengers in 12 months
BRUBRUIAD
Map data: Natural Earth. Lines follow the shortest (great-circle) path.

Airlines flying IAD to BRU

AirlineFlights a weekAircraftPassengers (12 months)Flight time
United Airlines7Boeing 777-300/300ER/333ER, Boeing 777-200ER/200LR/233LR106,7937h 29m
Brussels Airlines5Airbus A330-20021,5370m

Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.

Flights by month

MonthFlightsFlights, relativePassengers
August 202548
13,753
September 202541
10,423
October 202529
8,600
November 202529
9,107
December 202531
10,124
January 202630
7,564
February 202628
7,575
March 202632
8,586
April 202647
11,827
May 202648
14,012
June 202649
13,904
July 202652
12,855

Related

Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.