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

Return flights

19 Aug - 26 Aug	Etihad Airways
19 Aug - 09 Sep	Etihad Airways
04 Aug - 11 Aug	SWISS
21 Aug - 26 Aug	SWISS
21 Aug - 27 Aug	SWISS
04 Aug - 15 Aug	SWISS
01 Aug - 14 Aug	KLM
07 Aug - 11 Aug	Lufthansa
11 Aug - 20 Aug	Etihad Airways
02 Aug - 02 Sep	Lufthansa
02 Aug - 06 Aug	SWISS
05 Aug - 12 Aug	Lufthansa
29 Aug - 07 Sep	KLM
31 Aug - 06 Sep	KLM
30 Aug - 06 Sep	Air France
24 Aug - 13 Sep	Air France
30 Aug - 13 Sep	Lufthansa
31 Aug - 14 Sep	SWISS

Also check the deals for one-way flights from Mumbai to Lisbon 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 Mumbai to Lisbon in August from 551€

Return flights