Cheapest return flights from Porto to Istanbul in May from $224

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 May 2025 (see full year).

Return flights

08 May - 22 May Ryanair
08 May - 13 May Ryanair
23 May - 29 May Wizz Air Malta
24 May - 29 May Ryanair
09 May - 14 May Ryanair
27 May - 03 Jun easyJet
16 May - 19 May Ryanair
26 May - 03 Jun easyJet
07 May - 14 May Ryanair
15 May - 19 May easyJet
23 May - 31 May Wizz Air Malta
20 May - 27 May Ryanair
29 May - 05 Jun Ryanair
30 May - 04 Jun Ryanair
30 May - 02 Jun Wizz Air Malta
21 May - 01 Jun Ryanair
23 May - 10 Jun Vueling Airlines
16 May - 01 Jun Ryanair
23 May - 11 Jun Vueling Airlines
28 May - 17 Jun Vueling Airlines

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