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

Return flights

29 Jan - 01 Feb	Luxair
12 Jan - 16 Jan	KLM
06 Jan - 19 Jan	KLM
13 Jan - 18 Jan	KLM
07 Jan - 19 Jan	KLM
15 Jan - 19 Jan	KLM
17 Jan - 21 Jan	KLM
07 Jan - 21 Jan	KLM
08 Jan - 21 Jan	KLM
22 Jan - 04 Feb	KLM
28 Jan - 03 Feb	KLM
16 Jan - 21 Jan	KLM
16 Jan - 19 Jan	KLM
31 Jan - 02 Feb	KLM
31 Jan - 03 Feb	KLM
23 Jan - 08 Feb	SWISS
22 Jan - 05 Feb	KLM
29 Jan - 03 Feb	KLM
29 Jan - 05 Feb	KLM
27 Jan - 02 Feb	SWISS

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 $221

Return flights