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

Return flights

26 Sep - 05 Oct	IndiGo
25 Sep - 02 Oct	flyadeal
26 Sep - 04 Oct	IndiGo
26 Sep - 09 Oct	Air Astana
26 Sep - 03 Oct	Flynas
24 Sep - 13 Oct	Air Astana
19 Sep - 25 Sep	AJet
19 Sep - 21 Sep	AJet
25 Sep - 28 Sep	IndiGo
22 Sep - 29 Sep	flyadeal
19 Sep - 25 Sep	Turkish Airlines	direct
24 Sep - 29 Sep	Thai Airways
27 Sep - 29 Sep	Air Arabia
26 Sep - 05 Oct	Air China	direct
23 Sep - 28 Sep	IndiGo
20 Sep - 22 Sep	Turkish Airlines
26 Sep - 09 Oct	Turkish Airlines	direct
23 Sep - 30 Sep	IndiGo
26 Sep - 03 Oct	Air China	direct
24 Sep - 13 Oct	Turkish Airlines	direct

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

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 Istanbul to Beijing in September from 482€

Return flights