Cheapest return flights from Istanbul to Porto in December from 173€

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

Return flights

05 Dec - 09 Dec Pegasus Airlines
26 Dec - 02 Jan Air Europa
01 Dec - 03 Dec Vueling Airlines
02 Dec - 09 Dec Vueling Airlines
01 Dec - 09 Dec Vueling Airlines
03 Dec - 09 Dec Vueling Airlines
23 Dec - 06 Jan Air Europa
30 Dec - 14 Jan Vueling Airlines
02 Dec - 08 Dec Vueling Airlines
01 Dec - 08 Dec Vueling Airlines
02 Dec - 04 Dec Vueling Airlines
01 Dec - 04 Dec Vueling Airlines
03 Dec - 08 Dec Vueling Airlines
26 Dec - 14 Jan Vueling Airlines
30 Dec - 18 Jan Vueling Airlines
25 Dec - 14 Jan Vueling Airlines
29 Dec - 14 Jan Vueling Airlines
30 Dec - 06 Jan Vueling Airlines
29 Dec - 18 Jan Vueling Airlines
22 Dec - 06 Jan 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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