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

Return flights

26 Aug - 24 Sep	AJet
15 Aug - 23 Aug	AJet
04 Aug - 23 Aug	AJet
20 Aug - 23 Aug	AJet
24 Aug - 14 Sep	AJet
20 Aug - 30 Sep	AJet
07 Aug - 28 Aug	AJet
04 Aug - 26 Aug	AJet
10 Aug - 22 Aug	AJet
03 Aug - 22 Aug	AJet
05 Aug - 26 Aug	AJet
06 Aug - 26 Aug	AJet
04 Aug - 22 Aug	AJet
26 Aug - 10 Sep	AJet
05 Aug - 02 Sep	AJet
02 Aug - 12 Sep	AJet
15 Aug - 05 Sep	AJet
20 Aug - 30 Sep	Turkish Airlines	direct
26 Aug - 10 Sep	MEA	direct
24 Aug - 14 Sep	MEA	direct

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

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 Beirut in August from 139€

Return flights