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

Return flights

23 Aug - 30 Aug	Etihad Airways
03 Aug - 08 Aug	IndiGo
10 Aug - 18 Aug	IndiGo
06 Aug - 26 Aug	IndiGo
31 Aug - 13 Sep	IndiGo
11 Aug - 21 Aug	IndiGo
20 Aug - 07 Sep	IndiGo
11 Aug - 30 Sep	IndiGo
23 Aug - 03 Sep	IndiGo
30 Aug - 13 Sep	Finnair
20 Aug - 06 Sep	IndiGo
23 Aug - 31 Aug	IndiGo
21 Aug - 06 Sep	IndiGo
11 Aug - 18 Aug	LOT

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

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 Delhi to Brussels in August from $618

Return flights