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

Return flights

23 Sep - 07 Oct	Ryanair
08 Sep - 22 Sep	Norwegian
08 Sep - 19 Sep	Norwegian
17 Sep - 23 Sep	Norwegian
18 Sep - 24 Sep	Wizz Air
09 Sep - 19 Sep	Norwegian
11 Sep - 22 Sep	Wizz Air
08 Sep - 17 Sep	Pegasus Airlines
24 Sep - 08 Oct	Norwegian
03 Sep - 14 Sep	Pegasus Airlines
17 Sep - 08 Oct	Norwegian
08 Sep - 16 Sep	Norwegian
09 Sep - 18 Sep	Norwegian
16 Sep - 01 Oct	Pegasus Airlines
20 Sep - 01 Oct	Ryanair
08 Sep - 05 Oct	Pegasus Airlines
20 Sep - 03 Oct	Norwegian
28 Sep - 05 Oct	Norwegian
27 Sep - 12 Oct	Wizz Air
04 Sep - 27 Oct	Pegasus Airlines

Also check the deals for one-way flights from Oslo 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 Oslo to Beirut in September from $315

Return flights