Cheapest return flights from Washington to Brussels in May from $674

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 May 2025 (see full year).

Return flights

18 May - 10 Jun Turkish Airlines
18 May - 18 Jun Turkish Airlines
14 May - 21 May Air Canada
22 May - 25 May Air Canada
14 May - 20 May KLM
19 May - 26 May Turkish Airlines
16 May - 26 May ITA Airways
28 May - 04 Jun Aer Lingus
14 May - 31 May Royal Air Maroc
29 May - 01 Jun SWISS
19 May - 23 May Royal Air Maroc
17 May - 10 Jun Air Canada
27 May - 31 May Icelandair
30 May - 15 Jun Aer Lingus
15 May - 30 May EgyptAir
15 May - 18 May British Airways
30 May - 15 Jun United direct
18 May - 18 Jun Brussels Airlines direct
29 May - 01 Jun Brussels Airlines direct

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

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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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