Cheapest return flights from Porto to Istanbul in August from $340

Best time to book flights for Porto (OPO) to Istanbul (SAW) flights at AirHint

AirHint found the following cheapest return flights from Porto (OPO) to Istanbul (SAW) in August 2025 (see full year).

Return flights

29 Aug - 08 Sep easyJet
05 Aug - 26 Aug Ryanair
01 Aug - 19 Aug easyJet
29 Aug - 07 Sep easyJet
19 Aug - 28 Aug Vueling Airlines
01 Aug - 05 Aug easyJet
05 Aug - 17 Aug Ryanair
26 Aug - 31 Aug Ryanair
21 Aug - 31 Aug Ryanair
21 Aug - 28 Aug Ryanair
26 Aug - 03 Sep Ryanair
14 Aug - 17 Aug Ryanair
06 Aug - 29 Aug Ryanair
28 Aug - 05 Sep easyJet
26 Aug - 05 Sep easyJet
24 Aug - 05 Sep SWISS
27 Aug - 04 Sep easyJet
27 Aug - 05 Sep easyJet
28 Aug - 06 Sep easyJet
26 Aug - 04 Sep easyJet

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

Skyscanner

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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