Cheapest return flights from Porto to Istanbul in December from 196€

Best time to book flights for Porto (OPO) to Istanbul (IST) flights at AirHint

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

Return flights

06 Dec - 13 Dec Ryanair
05 Dec - 08 Dec easyJet
01 Dec - 08 Dec easyJet
02 Dec - 07 Dec British Airways
05 Dec - 09 Dec easyJet
05 Dec - 12 Dec Vueling Airlines
22 Dec - 05 Jan Ryanair
23 Dec - 07 Jan Iberia
30 Dec - 02 Jan Vueling Airlines
22 Dec - 19 Jan Vueling Airlines
20 Dec - 24 Dec Ryanair
29 Dec - 02 Jan Vueling Airlines
19 Dec - 23 Dec Air Serbia
20 Dec - 28 Dec Ryanair
26 Dec - 02 Jan TAP
22 Dec - 19 Jan Turkish Airlines direct
23 Dec - 07 Jan Turkish Airlines direct
06 Dec - 13 Dec Turkish Airlines direct
26 Dec - 04 Jan Air Serbia
22 Dec - 05 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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