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

Return flights

09 Aug - 30 Sep	Ryanair
08 Aug - 30 Sep	Ryanair
14 Aug - 17 Sep	KLM
01 Aug - 01 Sep	transavia
15 Aug - 17 Sep	KLM
17 Aug - 28 Sep	TAP
15 Aug - 16 Sep	KLM
25 Aug - 08 Sep	KLM
16 Aug - 29 Sep	KLM
16 Aug - 16 Sep	KLM
05 Aug - 12 Aug	Ryanair
23 Aug - 30 Aug	Vueling Airlines
07 Aug - 20 Aug	Ryanair
01 Aug - 31 Aug	transavia
06 Aug - 13 Aug	Ryanair
16 Aug - 31 Aug	Eurowings
15 Aug - 22 Aug	Wizz Air Malta
09 Aug - 24 Aug	Ryanair
15 Aug - 31 Aug	Wizz Air Malta
01 Aug - 24 Aug	Ryanair

Also check the deals for one-way flights from Porto 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 Porto to Delhi in August from 576€

Return flights