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

Return flights

11 Sep - 18 Sep	Wizz Air
19 Sep - 29 Sep	SWISS
04 Sep - 17 Sep	SWISS
02 Sep - 08 Oct	SWISS
02 Sep - 14 Oct	SWISS
04 Sep - 14 Oct	SWISS
09 Sep - 21 Oct	SWISS
09 Sep - 21 Sep	SWISS
07 Sep - 27 Sep	Wizz Air
22 Sep - 27 Sep	Wizz Air
21 Sep - 28 Sep	easyJet
08 Sep - 23 Sep	SWISS
08 Sep - 21 Sep	SWISS
06 Sep - 19 Sep	SWISS
28 Sep - 04 Oct	Etihad Airways
23 Sep - 29 Oct	SWISS
04 Sep - 02 Oct	Etihad Airways
16 Sep - 06 Oct	Etihad Airways
07 Sep - 29 Oct	Wizz Air
05 Sep - 03 Oct	SWISS

Also check the deals for one-way flights from Lisbon to Delhi in September.

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 September from 497€

Return flights