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

Return flights

16 Jan - 19 Jan	KLM
13 Jan - 21 Jan	KLM
08 Jan - 13 Jan	KLM
15 Jan - 19 Jan	KLM
18 Jan - 21 Jan	KLM
11 Jan - 14 Jan	KLM
11 Jan - 16 Jan	KLM
26 Jan - 13 Feb	KLM
24 Jan - 10 Feb	KLM
17 Jan - 20 Jan	KLM
19 Jan - 26 Jan	KLM
09 Jan - 13 Jan	KLM
18 Jan - 01 Feb	KLM
31 Jan - 02 Feb	KLM
28 Jan - 02 Feb	KLM
29 Jan - 01 Feb	ITA Airways
30 Jan - 04 Feb	KLM
30 Jan - 02 Feb	SWISS
31 Jan - 23 Feb	Luxair
31 Jan - 20 Feb	Luxair

Also check the deals for one-way flights from London to Lisbon 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 Lisbon in January from $237

Return flights