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

Return flights

28 Jan - 02 Feb	KLM
28 Jan - 04 Feb	KLM
28 Jan - 03 Feb	KLM
28 Jan - 11 Feb	KLM
29 Jan - 02 Feb	KLM
29 Jan - 06 Feb	KLM
29 Jan - 03 Feb	KLM
29 Jan - 04 Feb	KLM
29 Jan - 10 Feb	KLM
29 Jan - 16 Feb	KLM
23 Jan - 26 Jan	SWISS
22 Jan - 26 Jan	SWISS
26 Jan - 29 Jan	KLM
20 Jan - 27 Jan	Iberia
24 Jan - 29 Jan	KLM
22 Jan - 28 Jan	KLM
22 Jan - 27 Jan	KLM
24 Jan - 28 Jan	KLM
24 Jan - 27 Jan	KLM
24 Jan - 26 Jan	KLM

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 $235

Return flights