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

Return flights

20 Aug - 22 Aug	Luxair	direct
11 Aug - 13 Aug	Luxair	direct
15 Aug - 18 Aug	Luxair	direct
22 Aug - 25 Aug	Lufthansa
10 Aug - 11 Aug	Luxair	direct
10 Aug - 13 Aug	Luxair	direct
20 Aug - 23 Aug	Lufthansa
20 Aug - 21 Aug	Ryanair
22 Aug - 25 Aug	Luxair	direct
19 Aug - 20 Aug	Ryanair

Also check the deals for one-way flights from Prague to Luxemburg 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 Prague to Luxemburg in August from $159

Return flights