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

Return flights

13 Dec - 17 Dec	Malaysia Airlines
24 Dec - 29 Dec	IndiGo
12 Dec - 20 Dec	IndiGo
12 Dec - 26 Dec	IndiGo
15 Dec - 23 Dec	IndiGo
15 Dec - 24 Dec	IndiGo
29 Dec - 14 Jan	IndiGo
13 Dec - 25 Dec	IndiGo
24 Dec - 01 Jan	IndiGo
30 Dec - 30 Jan	Emirates
13 Dec - 21 Dec	IndiGo
30 Dec - 20 Jan	IndiGo
16 Dec - 23 Dec	IndiGo
14 Dec - 20 Dec	IndiGo
30 Dec - 06 Jan	IndiGo
13 Dec - 01 Jan	IndiGo
17 Dec - 06 Jan	IndiGo
16 Dec - 07 Jan	IndiGo
16 Dec - 25 Jan	IndiGo
15 Dec - 11 Jan	IndiGo

Also check the deals for one-way flights from Adelaide to Delhi 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 Adelaide to Delhi in December from $1344

Return flights