Cheapest one-way flights from Washington to Brussels in June from $374

Best time to book flights for Washington (IAD) to Brussels (BRU) flights at AirHint

AirHint found the following cheapest one-way flights from Washington (IAD) to Brussels (BRU) in June 2025 (see full year).

One-Way flights

21 Jun Frontier Airlines
08 Jun Porter Airlines (Canada) Ltd
14 Jun Porter Airlines (Canada) Ltd
06 Jun Porter Airlines (Canada) Ltd
05 Jun Aer Lingus
11 Jun Brussels Airlines direct
08 Jun United direct
14 Jun Brussels Airlines direct
21 Jun Brussels Airlines direct
12 Jun Brussels Airlines direct

Also check the deals for return flights from Washington to Brussels in June.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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