Cheapest return flights from Porto to Istanbul in May from $199

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

15 May - 20 May easyJet
10 May - 13 May easyJet
07 May - 13 May easyJet
13 May - 21 May easyJet
17 May - 20 May easyJet
15 May - 19 May easyJet
14 May - 20 May easyJet
16 May - 21 May easyJet
16 May - 20 May easyJet
08 May - 14 May Ryanair
28 May - 01 Jun Ryanair
21 May - 04 Jun Ryanair
28 May - 17 Jun Vueling Airlines
28 May - 11 Jun Vueling Airlines
23 May - 11 Jun Vueling Airlines
28 May - 18 Jun Vueling Airlines
27 May - 11 Jun Vueling Airlines
23 May - 10 Jun Vueling Airlines
27 May - 10 Jun Vueling Airlines
21 May - 11 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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