United's Polaris Business Class offers lie-flat seats and Saks Fifth Avenue bedding.
United's Premium Plus includes priority check-in and two checked bags on international flights.
Round-trip from | $611 (oojo) |
---|---|
One-way from | $387 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $780 |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Brussels
IAD - BRU
IADBRU
Washington, D.C. Dulles Intl
Mon 9/15
10:05 pm-9:40 am
1 stop29h 35m
Brussels Bruxelles-National
Thu 9/25
4:00 pm-7:59 pm
1 stop33h 59m
Washington, D.C.Brussels
IAD - CRL
IADCRL
Washington, D.C. Dulles Intl
Thu 6/5
8:30 pm-10:50 pm
2 stops20h 20m
Charleroi Brussels
Thu 6/12
7:30 pm-10:10 pm
2 stops32h 40m
Washington, D.C.Brussels
IAD - BRU
IADBRU
Washington, D.C. Dulles Intl
Mon 5/5
10:20 pm-11:55 pm
1 stop19h 35m
Brussels Bruxelles-National
Tue 5/20
11:50 am-3:20 pm
1 stop33h 30m
Washington, D.C.Brussels
IAD - BRU
IADBRU
Washington, D.C. Dulles Intl
Wed 5/7
5:50 pm-11:10 pm
2 stops23h 20m
Brussels Bruxelles-National
Tue 5/20
12:20 pm-3:20 pm
2 stops33h 00m
Washington, D.C.Brussels
IAD - BRU
IADBRU
Washington, D.C. Dulles Intl
Mon 9/15
1:30 pm-10:10 am
1 stop14h 40m
Brussels Bruxelles-National
Tue 12/16
11:40 am-7:30 pm
1 stop37h 50m
Washington, D.C.Brussels
IAD - BRU
IADBRU
Washington, D.C. Dulles Intl
Tue 8/12
8:30 pm-12:50 pm
1 stop10h 20m
Brussels Bruxelles-National
Sun 8/24
1:50 pm-7:20 pm
1 stop11h 30m
Washington, D.C.Brussels
IAD - BRU
IADBRU
Washington, D.C. Dulles Intl
Sun 9/14
5:45 pm-7:15 am
Nonstop7h 30m
Brussels Bruxelles-National
Fri 12/19
11:55 am-2:35 pm
Nonstop8h 40m
Washington, D.C.Brussels
IAD - BRU
IADBRU
Washington, D.C. Dulles Intl
Tue 7/8
5:20 pm-9:40 am
1 stop10h 20m
Brussels Bruxelles-National
Tue 7/29
10:20 am-3:50 pm
1 stop11h 30m
Washington, D.C.Brussels
IAD - BRU
IADBRU
Washington, D.C. Dulles Intl
Sat 9/13
5:35 pm-7:25 am
Nonstop7h 50m
Brussels Bruxelles-National
Tue 12/16
11:55 am-2:35 pm
Nonstop8h 40m
Washington, D.C.Brussels
IAD - BRU
IADBRU
Washington, D.C. Dulles Intl
Sun 9/14
6:10 pm-10:10 am
1 stop10h 00m
Brussels Bruxelles-National
Mon 12/15
11:55 am-2:35 pm
Nonstop8h 40m
The best time to book flights from Washington, D.C. Dulles Intl Airport to Brussels is 74 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Brussels (average of $614). Flying from Washington, D.C. Dulles Intl Airport to Brussels in June is currently the most expensive (average of $1,146). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Brussels is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 49% on airfare.
The most flights from IAD to BR1 are scheduled on a Thursday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).
In terms of precipitation, rainfall in Brussels ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. August is typically the driest time to visit Brussels when rainfall is around 1.6 in.
If weather is an important factor for your trip to Brussels, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 37.4 F).
Entertainment
Comfort
Crew
Overall
Food
Boarding
Reviews
Thomas,Mar 2025
SFO - TPE
Entertainment
Comfort
Crew
Overall
Food
Boarding
Reviews
Thomas,Mar 2025
SFO - TPE
Entertainment
Comfort
Crew
Overall
Food
Boarding
Reviews
Thomas,Mar 2025
SFO - TPE
Entertainment
Comfort
Crew
Overall
Food
Boarding
Reviews
Thomas,Mar 2025
SFO - TPE
Entertainment
Comfort
Crew
Overall
Food
Boarding
Reviews
Thomas,Mar 2025
SFO - TPE
Entertainment
Comfort
Crew
Overall
Food
Boarding
Reviews
Thomas,Mar 2025
SFO - TPE
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$383 | Average$684 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$406 | Average$574 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$441 | Average$665 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$492 | Average$954 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$516 | Average$716 | FlexibilityNo cancel fee | On-time70% | |
Cheapest$552 | Average$610 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$559 | Average$764 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$694 | Average$1,157 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$724 | Average$1,106 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$913 | Average$1,326 | FlexibilityNo cancel fee | On-timeN/A |