Cheapest return flights from Washington to Brussels in October from $518

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 October 2025 (see full year).

Return flights

24 Oct - 29 Oct Scandinavian Airlines
24 Oct - 02 Nov Scandinavian Airlines
30 Oct - 06 Nov Icelandair
30 Oct - 06 Nov United direct
10 Oct - 17 Oct United direct
20 Oct - 27 Oct United direct
24 Oct - 29 Oct United direct
07 Oct - 16 Oct Brussels Airlines direct

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

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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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