AirHint found the following cheapest return flights from Washington (DCA) to Brussels (BRU) in July 2025 (see full year).

Return flights

23 Jul - 30 Jul	ITA Airways
17 Jul - 24 Jul	jetBlue
17 Jul - 17 Aug	Icelandair
11 Jul - 23 Jul	jetBlue
09 Jul - 16 Jul	Scandinavian Airlines
18 Jul - 20 Jul	ITA Airways
09 Jul - 13 Jul	Scandinavian Airlines
10 Jul - 17 Jul	Scandinavian Airlines
06 Jul - 16 Jul	Scandinavian Airlines

Also check the deals for one-way flights from Washington to Brussels in July.

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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Cheapest return flights from Washington to Brussels in July from $1021

Return flights