Flights from Washington DC to Brussels

Our cheapest offers for flights from Washington DC to Brussels

Here you can compare cheap flights from Washington DC (IAD) to Brussels (BRU) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Brussels. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Washington DC
Brussels
Outbound
11/09/25
1 Stopover (LIS)
TP0234, TP0644
12h 35min
Return
12/07/25
1 Stopover (LIS)
TP0645, TP0231
27h 20min
TAP Air Portugal ?
$484
Best option
Washington DC
Brussels
Outbound
11/12/25
direct
LH9383
07h 30min
Return
12/10/25
direct
LH9382
08h 40min
Lufthansa ?
$912
Washington DC
Brussels
Outbound
11/09/25
1 Stopover (LIS)
TP0234, TP0644
12h 35min
Return
12/07/25
1 Stopover (LIS)
TP0645, TP0231
27h 20min
TAP Air Portugal
$486
Washington DC
Brussels
Outbound
02/13/26
1 Stopover (LIS)
TP0234, TP0644
12h 35min
Return
02/26/26
1 Stopover (LIS)
TP0647, TP0231
15h 15min
TAP Air Portugal ?
$498
Washington DC
Brussels
Outbound
11/09/25
1 Stopover (LIS)
TP0234, TP0644
12h 35min
Return
12/07/25
1 Stopover (LIS)
TP0645, TP0231
27h 20min
TAP Air Portugal
$499
Washington DC
Brussels
Outbound
11/09/25
1 Stopover (LIS)
TP0234, TP0644
12h 35min
Return
12/07/25
1 Stopover (LIS)
TP0645, TP0231
27h 20min
TAP Air Portugal
$500
Washington DC
Brussels
Outbound
11/09/25
1 Stopover (LIS)
TP0234, TP0644
12h 35min
Return
12/07/25
1 Stopover (LIS)
TP0641, TP0233
15h 10min
TAP Air Portugal
$502
Washington DC
Brussels
Outbound
11/09/25
1 Stopover (LIS)
TP0234, TP0644
12h 35min
Return
12/07/25
1 Stopover (LIS)
TP0641, TP0233
15h 10min
TAP Air Portugal
$513
Washington DC
Brussels
Outbound
11/09/25
1 Stopover (LIS)
TP0234, TP0644
12h 35min
Return
12/07/25
1 Stopover (LIS)
TP0641, TP0233
15h 10min
TAP Air Portugal ?
$574
Washington DC
Brussels
Outbound
11/09/25
1 Stopover (DUB)
EI0116, EI0630
10h 30min
Return
12/07/25
1 Stopover (DUB)
EI0631, EI0119
15h 15min
Aer Lingus Irish Airlines ?
$626
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Washington DC to Brussels

Favorite airline: SAS
SAS is the most popular airline for flights from Washington DC to Brussels.
SAS
28 %
TAP Portugal
25 %
Aer Lingus
13 %
Cheapest weekday: Thursday
Compared to other weekdays, flights are cheapest on Thursday.
Stopover flights are the cheapest connection
Flights with a stopover are on average $423.00 cheaper than direct flights.
non stop flight
1 stop
2 stops
07h 40min
10h 20min
19h 05min
$ 871
$ 448
$ 533
Favourite connection: via Copenhagen
On this route, flights with a stopover in Copenhagen are the most popular.
Route
bookings
1 stopover Copenhagen
20h 35min, from $ 495
25 %
1 stopover Lisbon
15h 45min, from $ 575
25 %
1 stopover Dublin
15h 30min, from $ 577
14 %

Important flight information

Flight information: Washington DC - Brussels

Roundtrip from $ 483,39
Flight duration min. 07:20
Return flight duration min. 08:40
Distance 6254 km
Flights per week 8
Departure airport Airport Washington DC - Dulles International Airport, DC (IAD)
Arrival airport Airport Brussels (BRU)
Destination country Flights to Belgium
Alternative flights to Brussels
Flight destinations with a similar price
Flight destinations with a similar price