AirHint found the following cheapest return flights from Toulouse (TLS) to Luxemburg (LUX) in December 2025 (see full year).

Return flights

18 Dec - 02 Jan	Ryanair
22 Dec - 02 Jan	Ryanair
17 Dec - 04 Jan	Lufthansa
18 Dec - 04 Jan	Lufthansa
19 Dec - 04 Jan	Lufthansa
21 Dec - 04 Jan	Lufthansa
23 Dec - 04 Jan	Lufthansa
24 Dec - 04 Jan	Lufthansa
22 Dec - 04 Jan	Lufthansa
20 Dec - 04 Jan	Lufthansa
20 Dec - 20 Dec	Lufthansa

Also check the deals for one-way flights from Toulouse to Luxemburg in December.

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 Toulouse to Luxemburg in December from 152€

Return flights