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

Return flights

18 Nov - 21 Nov	Vueling Airlines
18 Nov - 24 Nov	Vueling Airlines
06 Nov - 12 Nov	easyJet
04 Nov - 11 Nov	easyJet
20 Nov - 24 Nov	easyJet
14 Nov - 18 Nov	easyJet
13 Nov - 15 Nov	Ryanair
10 Nov - 15 Nov	easyJet
03 Nov - 10 Nov	easyJet
27 Nov - 04 Dec	easyJet
10 Nov - 14 Nov	easyJet
28 Nov - 01 Dec	easyJet
29 Nov - 08 Dec	easyJet
30 Nov - 11 Dec	Vueling Airlines
27 Nov - 11 Dec	Vueling Airlines
23 Nov - 11 Dec	Vueling Airlines
30 Nov - 10 Dec	Vueling Airlines
20 Nov - 10 Dec	Vueling Airlines
13 Nov - 01 Dec	Vueling Airlines
28 Nov - 11 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 176€

Return flights