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

Return flights

25 Aug - 22 Sep	TAP
07 Aug - 14 Aug	Eurowings
27 Aug - 29 Aug	Ryanair
09 Aug - 20 Aug	Ryanair
09 Aug - 15 Aug	Ryanair
06 Aug - 09 Aug	Ryanair
12 Aug - 16 Aug	KLM
13 Aug - 16 Aug	KLM
14 Aug - 07 Sep	KLM

Also check the deals for one-way flights from Porto to Mumbai 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 Porto to Mumbai in August from 565€

Return flights