Cheapest return flights from Washington to Brussels in July from $669

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 July 2025 (see full year).

Return flights

28 Jul - 04 Aug Icelandair
22 Jul - 29 Jul British Airways
23 Jul - 29 Jul Icelandair
30 Jul - 06 Aug Icelandair
16 Jul - 22 Jul TAP
11 Jul - 23 Jul Aer Lingus
04 Jul - 11 Jul British Airways
09 Jul - 16 Jul Icelandair
12 Jul - 19 Jul Icelandair
05 Jul - 29 Jul Aer Lingus
22 Jul - 29 Jul United direct
30 Jul - 06 Aug United direct
24 Jul - 31 Jul United direct
28 Jul - 04 Aug Brussels Airlines direct
27 Jul - 03 Aug United direct
17 Jul - 17 Aug United direct

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

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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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