Cheapest return flights from Istanbul to Porto in August from $376

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

Return flights

03 Aug - 07 Aug Air Serbia
29 Aug - 05 Sep Wizz Air
03 Aug - 05 Aug Air Serbia
03 Aug - 12 Aug Air Serbia
01 Aug - 11 Aug Air Europa
03 Aug - 10 Aug Air Serbia
21 Aug - 26 Aug Wizz Air
21 Aug - 31 Aug Wizz Air
13 Aug - 15 Aug Pegasus Airlines
01 Aug - 14 Aug Air Europa
24 Aug - 28 Aug Wizz Air Malta
27 Aug - 17 Sep Vueling Airlines
18 Aug - 07 Sep Vueling Airlines
19 Aug - 07 Sep Vueling Airlines
18 Aug - 03 Sep Vueling Airlines
18 Aug - 04 Sep Vueling Airlines
18 Aug - 08 Sep Vueling Airlines
19 Aug - 03 Sep Vueling Airlines
13 Aug - 03 Sep Vueling Airlines
19 Aug - 04 Sep Vueling Airlines

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

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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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