Cheapest return flights from Istanbul to Porto in May from $234

AirHint found the following cheapest return flights from Istanbul (SAW) to Porto (OPO) in May 2026 (see full year).

Return flights

04 May - 10 May Pegasus Airlines
07 May - 10 May Pegasus Airlines
06 May - 11 May Pegasus Airlines
04 May - 11 May Pegasus Airlines
02 May - 09 May Pegasus Airlines
13 May - 16 May Pegasus Airlines
20 May - 24 May Pegasus Airlines
16 May - 20 May Pegasus Airlines
15 May - 31 May AJet
28 May - 31 May Pegasus Airlines

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

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