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

Return flights

12 Sep - 18 Sep	Pegasus Airlines
22 Sep - 27 Sep	AJet
15 Sep - 18 Sep	AJet
19 Sep - 04 Oct	AJet
27 Sep - 04 Oct	AJet
03 Sep - 16 Sep	AJet
13 Sep - 16 Sep	AJet
10 Sep - 17 Sep	AJet
20 Sep - 25 Sep	AJet
19 Sep - 21 Sep	AJet
15 Sep - 21 Sep	AJet
26 Sep - 29 Sep	AJet
26 Sep - 17 Oct	AJet
05 Sep - 17 Oct	AJet
13 Sep - 08 Oct	AJet
19 Sep - 15 Oct	AJet
29 Sep - 06 Oct	Pegasus Airlines
19 Sep - 15 Oct	Pegasus Airlines	direct
27 Sep - 02 Oct	Turkish Airlines
05 Sep - 17 Oct	Turkish Airlines	direct

Also check the deals for one-way flights from Istanbul to Beirut 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.

Book a cheap hotel in Beirut

Cheap car rent in Beirut

Cheapest return flights from Istanbul to Beirut in September from $138

Return flights