Cheapest return flights from Washington to Brussels in August from $471

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

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

Return flights

21 Aug - 31 Aug Scandinavian Airlines
07 Aug - 17 Sep Turkish Airlines
19 Aug - 26 Aug Icelandair
24 Aug - 31 Aug Icelandair
14 Aug - 21 Aug Icelandair
19 Aug - 26 Aug United direct
07 Aug - 17 Sep Brussels Airlines direct
24 Aug - 31 Aug United direct
14 Aug - 21 Aug United direct
21 Aug - 31 Aug United direct
04 Aug - 11 Aug Icelandair
29 Aug - 05 Sep Icelandair
09 Aug - 16 Aug Icelandair
29 Aug - 05 Sep United direct

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

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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