AirHint found the following cheapest return flights from Luxemburg (LUX) to Oslo (OSL) in August 2025 (see full year).

Return flights

26 Aug - 02 Sep	KLM
16 Aug - 06 Sep	Ryanair
20 Aug - 27 Aug	Ryanair
15 Aug - 23 Aug	Ryanair
22 Aug - 11 Sep	Ryanair
23 Aug - 27 Aug	Ryanair
16 Aug - 23 Aug	Ryanair
29 Aug - 01 Sep	Ryanair
12 Aug - 19 Aug	Ryanair
14 Aug - 23 Aug	Ryanair
09 Aug - 16 Aug	Ryanair
19 Aug - 25 Aug	Air France
19 Aug - 26 Aug	Air France
21 Aug - 28 Aug	Ryanair
31 Aug - 07 Sep	KLM

Also check the deals for one-way flights from Luxemburg to Oslo 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 Luxemburg to Oslo in August from $183

Return flights