AirHint found the following cheapest return flights from London (LCY) to Luxemburg (LUX) in January 2026 (see full year).

Return flights

06 Jan - 20 Jan	Luxair	direct
10 Jan - 11 Jan	Luxair	direct
01 Jan - 08 Jan	Luxair	direct
10 Jan - 13 Jan	Luxair	direct
30 Jan - 02 Feb	Luxair	direct
31 Jan - 02 Feb	Luxair	direct
02 Jan - 11 Jan	Luxair	direct
01 Jan - 01 Jan	Luxair	direct
06 Jan - 06 Jan	Luxair	direct
15 Jan - 15 Jan	Luxair	direct

Also check the deals for one-way flights from London to Luxemburg in January.

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 London to Luxemburg in January from 107€

Return flights