Cheapest return flights from Istanbul to Porto in April from $237

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

Return flights

20 Apr - 27 Apr Vueling Airlines
16 Apr - 23 Apr Vueling Airlines
23 Apr - 26 Apr Air Serbia
16 Apr - 21 Apr Vueling Airlines
30 Apr - 05 May Pegasus Airlines
16 Apr - 18 Apr Vueling Airlines
16 Apr - 04 May Vueling Airlines
20 Apr - 23 Apr Vueling Airlines
21 Apr - 23 Apr Vueling Airlines
16 Apr - 19 Apr Vueling Airlines
16 Apr - 26 Apr Vueling Airlines
09 Apr - 23 Apr Vueling Airlines
16 Apr - 05 May Vueling Airlines
16 Apr - 02 May Vueling Airlines
20 Apr - 04 May Vueling Airlines
21 Apr - 04 May Vueling Airlines
20 Apr - 05 May Vueling Airlines
21 Apr - 05 May Vueling Airlines
21 Apr - 12 May Vueling Airlines
20 Apr - 02 May Vueling Airlines

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

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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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