Cheapest one-way flights from Istanbul to Porto in May from $119

AirHint found the following cheapest one-way flights from Istanbul (IST) to Porto (OPO) in May 2026 (see full year).

One-Way flights

06 May Pegasus Airlines
28 May Pegasus Airlines
27 May Pegasus Airlines
29 May Pegasus Airlines
23 May Air Europa
22 May Air Europa
20 May Vueling Airlines
25 May Air Europa
18 May Vueling Airlines
09 May Vueling Airlines

Also check the deals for return flights from Istanbul to Porto in May.

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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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