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

Return flights

26 Aug - 30 Sep	Etihad Airways
29 Aug - 22 Sep	Pegasus Airlines
23 Aug - 23 Sep	Ryanair
26 Aug - 09 Sep	KLM
22 Aug - 30 Sep	British Airways
26 Aug - 10 Sep	KLM
20 Aug - 20 Sep	British Airways
15 Aug - 16 Sep	British Airways
22 Aug - 22 Sep	British Airways
26 Aug - 13 Sep	KLM
28 Aug - 31 Aug	Etihad Airways
21 Aug - 30 Aug	Qatar Airways
16 Aug - 19 Aug	LOT
25 Aug - 27 Aug	Qatar Airways
24 Aug - 31 Aug	IndiGo
26 Aug - 31 Aug	Pegasus Airlines
23 Aug - 30 Aug	Ryanair
19 Aug - 26 Aug	LOT
16 Aug - 23 Aug	LOT
15 Aug - 22 Aug	IndiGo

Also check the deals for one-way flights from Lisbon to Delhi 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 Lisbon to Delhi in August from 524€

Return flights