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

Return flights

04 Dec - 07 Dec	Ryanair
04 Dec - 11 Dec	Ryanair
01 Dec - 11 Dec	Ryanair
05 Dec - 11 Dec	Lufthansa
05 Dec - 08 Dec	Lufthansa
11 Dec - 15 Dec	Lufthansa
06 Dec - 08 Dec	Lufthansa
04 Dec - 08 Dec	Lufthansa
12 Dec - 14 Dec	Lufthansa
13 Dec - 15 Dec	Lufthansa
16 Dec - 04 Jan	Lufthansa
18 Dec - 04 Jan	Lufthansa
18 Dec - 07 Jan	Lufthansa
23 Dec - 05 Jan	Volotea
26 Dec - 04 Jan	Lufthansa
26 Dec - 01 Jan	Lufthansa
30 Dec - 04 Jan	Lufthansa
26 Dec - 02 Jan	Ryanair
26 Dec - 03 Jan	easyJet
28 Dec - 02 Jan	easyJet

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 $135

Return flights