Cheapest return flights from Istanbul to Porto in April from $249

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

Return flights

01 Apr - 05 Apr Air Serbia
15 Apr - 05 May Vueling Airlines
03 Apr - 07 Apr Air Europa
03 Apr - 08 Apr Air Europa
15 Apr - 25 Apr Vueling Airlines
13 Apr - 25 Apr Vueling Airlines
15 Apr - 04 May Vueling Airlines
15 Apr - 06 May Vueling Airlines
16 Apr - 19 Apr Air Serbia
13 Apr - 04 May Vueling Airlines
03 Apr - 10 Apr Air Europa
15 Apr - 24 Apr Vueling Airlines
13 Apr - 24 Apr Vueling Airlines
15 Apr - 01 May Vueling Airlines
13 Apr - 01 May Vueling Airlines
15 Apr - 23 Apr Vueling Airlines
12 Apr - 01 May Vueling Airlines
28 Apr - 05 May Vueling Airlines
28 Apr - 12 May Vueling Airlines
28 Apr - 04 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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