AirHint found the following cheapest return flights from Luxemburg (LUX) to Barcelona (BCN) in August 2026 (see full year).

Return flights

05 Aug - 12 Aug	Luxair	direct
19 Aug - 26 Aug	Luxair	direct
17 Aug - 24 Aug	Luxair	direct
01 Aug - 23 Aug	SWISS
01 Aug - 06 Aug	Ryanair	direct
17 Aug - 23 Aug	Ryanair	direct
01 Aug - 10 Aug	Ryanair	direct
01 Aug - 23 Aug	Luxair	direct

Also check the deals for one-way flights from Luxemburg to Barcelona 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 Barcelona in August from $142

Return flights