AirHint found the following cheapest return flights from Porto (OPO) to Istanbul (IST)
in October 2025 (see full year ).
Return flights
02 Oct
- 08 Oct
easyJet
202 €
02 Oct
- 06 Oct
easyJet
203 €
09 Oct
- 11 Oct
easyJet
218 €
03 Oct
- 09 Oct
Transavia France
222 €
03 Oct
- 13 Oct
Transavia France
228 €
04 Oct
- 07 Oct
easyJet
229 €
11 Oct
- 15 Oct
Vueling Airlines
232 €
08 Oct
- 11 Oct
easyJet
233 €
03 Oct
- 10 Oct
Transavia France
237 €
01 Oct
- 08 Oct
Volotea
238 €
25 Oct
- 03 Nov
easyJet
261 €
29 Oct
- 02 Nov
easyJet
266 €
27 Oct
- 12 Nov
Vueling Airlines
328 €
29 Oct
- 12 Nov
Vueling Airlines
333 €
27 Oct
- 16 Nov
Vueling Airlines
334 €
29 Oct
- 18 Nov
Vueling Airlines
334 €
27 Oct
- 15 Nov
Vueling Airlines
339 €
29 Oct
- 16 Nov
Vueling Airlines
339 €
22 Oct
- 06 Nov
Vueling Airlines
342 €
29 Oct
- 17 Nov
Vueling Airlines
343 €
Also check the deals for one-way flights from Porto to Istanbul in October .
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.