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

Return flights

29 Aug - 12 Sep	Ryanair
28 Aug - 03 Sep	Ryanair
26 Aug - 02 Sep	KLM
28 Aug - 02 Sep	KLM
24 Aug - 27 Aug	Ryanair
20 Aug - 27 Aug	Ryanair
28 Aug - 01 Sep	Ryanair
21 Aug - 03 Sep	Ryanair
22 Aug - 11 Sep	Ryanair
29 Aug - 01 Sep	Ryanair
25 Aug - 31 Aug	Ryanair
23 Aug - 27 Aug	Ryanair
16 Aug - 23 Aug	Ryanair
29 Aug - 31 Aug	Ryanair
09 Aug - 16 Aug	Ryanair
23 Aug - 25 Aug	Air France
27 Aug - 05 Sep	Luxair	direct
13 Aug - 20 Aug	Ryanair
16 Aug - 22 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 126€

Return flights