AirHint found the following cheapest return flights from Istanbul (IST) to Porto (OPO) in December 2026 (see full year).
Return flights
| 14 Dec - 04 Jan | Vueling Airlines | ||
| 05 Dec - 26 Dec | Vueling Airlines | ||
| 14 Dec - 26 Dec | Vueling Airlines | ||
| 11 Dec - 26 Dec | Vueling Airlines | ||
| 10 Dec - 26 Dec | Vueling Airlines | ||
| 08 Dec - 26 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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