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

Return flights

01 Oct - 29 Oct	Lufthansa
01 Oct - 01 Nov	Vueling Airlines
10 Oct - 30 Nov	Vueling Airlines
09 Oct - 25 Nov	Lufthansa
01 Oct - 15 Nov	Lufthansa
11 Oct - 30 Nov	Transavia France
31 Oct - 25 Nov	SWISS
16 Oct - 06 Nov	SWISS

Also check the deals for one-way flights from Porto to Delhi in October.

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 October from 536€

Return flights