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

Return flights

22 Dec - 07 Jan	IndiGo
12 Dec - 31 Dec	IndiGo
12 Dec - 01 Jan	IndiGo
20 Dec - 29 Dec	Finnair
09 Dec - 17 Dec	IndiGo
08 Dec - 17 Dec	IndiGo
08 Dec - 18 Dec	IndiGo
09 Dec - 18 Dec	IndiGo
08 Dec - 11 Dec	LOT
04 Dec - 12 Dec	Finnair
04 Dec - 13 Dec	Qatar Airways
08 Dec - 21 Dec	Gulf Air

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

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 December from 404€

Return flights