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

Return flights

31 Oct - 06 Nov	Lufthansa
22 Oct - 09 Nov	KLM
24 Oct - 09 Nov	Austrian Airlines
10 Oct - 28 Oct	Austrian Airlines
22 Oct - 23 Oct	Austrian Airlines
27 Oct - 31 Oct	Lufthansa
24 Oct - 31 Oct	Austrian Airlines
06 Oct - 12 Oct	Austrian Airlines

Also check the deals for one-way flights from Innsbruck to Porto 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 Innsbruck to Porto in October from $315

Return flights