Cheapest return flights from Porto to Istanbul in December from $248

AirHint found the following cheapest return flights from Porto (OPO) to Istanbul (IST) in December 2026 (see full year).

Return flights

30 Dec - 06 Jan Iberia
01 Dec - 08 Dec Vueling Airlines
05 Dec - 08 Dec Ryanair
23 Dec - 28 Dec Iberia
26 Dec - 09 Jan Wizz Air Malta
25 Dec - 02 Jan LOT
05 Dec - 08 Dec Turkish Airlines direct
23 Dec - 28 Dec Turkish Airlines direct
01 Dec - 08 Dec Turkish Airlines direct
30 Dec - 06 Jan Turkish Airlines direct
26 Dec - 09 Jan Turkish Airlines direct
25 Dec - 02 Jan Turkish Airlines direct

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