Cheapest return flights from Istanbul to Porto in December from 258€

AirHint found the following cheapest return flights from Istanbul (IST) to Porto (OPO) in December 2025 (see full year).

Return flights

27 Dec - 03 Jan Aegean Airlines
01 Dec - 09 Dec Vueling Airlines
29 Dec - 05 Jan Wizz Air UK
02 Dec - 13 Dec Vueling Airlines
01 Dec - 13 Dec Vueling Airlines
02 Dec - 14 Dec Vueling Airlines
01 Dec - 14 Dec Vueling Airlines
09 Dec - 13 Dec Vueling Airlines
09 Dec - 14 Dec Vueling Airlines
30 Dec - 13 Jan Vueling Airlines
31 Dec - 13 Jan Vueling Airlines
30 Dec - 19 Jan Vueling Airlines
30 Dec - 20 Jan Vueling Airlines
31 Dec - 19 Jan Vueling Airlines
31 Dec - 20 Jan Vueling Airlines
18 Dec - 08 Jan Vueling Airlines
30 Dec - 10 Jan Vueling Airlines
02 Dec - 15 Dec Vueling Airlines
01 Dec - 15 Dec Vueling Airlines
12 Dec - 14 Dec Vueling Airlines

Also check the deals for one-way flights from Istanbul to Porto in December.

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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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