Cheapest return flights from Belfast to Istanbul in September from 171€

AirHint found the following cheapest return flights from Belfast (BHD) to Istanbul (IST) in September 2025 (see full year).

Return flights

21 Sep - 01 Oct easyJet
15 Sep - 22 Sep easyJet
29 Sep - 06 Oct British Airways
23 Sep - 26 Sep easyJet
04 Sep - 11 Sep easyJet
10 Sep - 15 Sep easyJet
25 Sep - 28 Sep easyJet
28 Sep - 05 Oct Aer Lingus
03 Sep - 07 Sep easyJet
07 Sep - 10 Sep Aer Lingus

Also check the deals for one-way flights from Belfast to Istanbul in September.

Skyscanner

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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