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

Return flights

07 Feb - 14 Feb	Air Europa
20 Feb - 26 Feb	Air Europa
21 Feb - 26 Feb	Air Europa
02 Feb - 05 Feb	Air Europa
02 Feb - 07 Feb	Air Europa
22 Feb - 27 Feb	Air Europa
20 Feb - 22 Feb	Air Europa
20 Feb - 23 Feb	Air Europa
19 Feb - 25 Feb	Air Europa
20 Feb - 25 Feb	Air Europa
25 Feb - 05 Mar	easyJet
26 Feb - 03 Mar	easyJet
25 Feb - 06 Mar	Air Europa
28 Feb - 07 Mar	Air Europa
28 Feb - 03 Mar	Air Europa
26 Feb - 05 Mar	easyJet
28 Feb - 09 Mar	Air Europa
26 Feb - 10 Mar	Air Europa
23 Feb - 02 Mar	Air Europa
25 Feb - 01 Mar	Air Europa

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

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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Cheapest return flights from Porto to Istanbul in February from 98€

Return flights