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

Return flights

27 Nov - 01 Dec	easyJet
13 Nov - 20 Nov	easyJet
28 Nov - 30 Nov	easyJet
21 Nov - 01 Dec	Air Europa
25 Nov - 04 Dec	easyJet
14 Nov - 17 Nov	easyJet
21 Nov - 25 Nov	easyJet
03 Nov - 08 Nov	Iberia
03 Nov - 09 Nov	Iberia
11 Nov - 14 Nov	Ryanair
09 Nov - 17 Nov	easyJet
12 Nov - 16 Nov	easyJet
19 Nov - 25 Nov	British Airways
29 Nov - 01 Dec	Lufthansa
27 Nov - 09 Dec	Vueling Airlines
14 Nov - 01 Dec	Vueling Airlines
27 Nov - 08 Dec	Vueling Airlines
12 Nov - 01 Dec	Vueling Airlines
18 Nov - 08 Dec	Vueling Airlines
18 Nov - 01 Dec	Vueling Airlines

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

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 November from 206€

Return flights