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

Return flights

23 Sep - 30 Sep	Ryanair
24 Sep - 01 Oct	Ryanair
20 Sep - 30 Sep	Norwegian
21 Sep - 24 Sep	Norwegian
25 Sep - 04 Oct	Ryanair
27 Sep - 01 Oct	Ryanair
28 Sep - 04 Oct	Wizz Air
20 Sep - 20 Sep	Norwegian
27 Sep - 04 Oct	Ryanair
27 Sep - 27 Sep	Norwegian
20 Sep - 04 Oct	Norwegian	direct
27 Sep - 11 Oct	Norwegian
27 Sep - 11 Oct	Norwegian	direct
27 Sep - 04 Oct	Norwegian	direct

Also check the deals for one-way flights from Oslo to Rhodos 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 Rhodos in September from $221

Return flights