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

Return flights

23 Sep - 30 Sep	Ryanair
17 Sep - 01 Oct	Ryanair
07 Sep - 08 Oct	Ryanair
09 Sep - 23 Sep	Ryanair
08 Sep - 16 Sep	Ryanair
04 Sep - 12 Sep	Ryanair
05 Sep - 12 Sep	Pegasus Airlines
18 Sep - 25 Sep	Ryanair
11 Sep - 26 Sep	Ryanair
19 Sep - 21 Sep	Ryanair
22 Sep - 10 Oct	Ryanair
11 Sep - 24 Sep	Ryanair
23 Sep - 03 Oct	Pegasus Airlines
26 Sep - 03 Oct	Ryanair
09 Sep - 22 Sep	Ryanair
25 Sep - 05 Oct	Pegasus Airlines
27 Sep - 05 Oct	Ryanair
28 Sep - 04 Oct	Ryanair

Also check the deals for one-way flights from Dublin 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.

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Cheapest return flights from Dublin to Beirut in September from $314

Return flights