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

Return flights

26 Mar - 30 Mar	KLM
03 Mar - 05 Mar	Lufthansa
24 Mar - 25 Mar	Lufthansa
23 Mar - 26 Mar	Lufthansa
09 Mar - 11 Mar	Lufthansa
12 Mar - 25 Mar	SWISS
17 Mar - 20 Mar	Lufthansa
09 Mar - 12 Mar	Iberia
16 Mar - 20 Mar	Lufthansa
09 Mar - 13 Mar	KLM
25 Mar - 01 Apr	Lufthansa
19 Mar - 15 Apr	KLM
25 Mar - 03 Apr	KLM
30 Mar - 08 Apr	SWISS
21 Mar - 02 Apr	KLM
29 Mar - 08 Apr	SWISS
26 Mar - 01 Apr	Lufthansa
31 Mar - 04 Apr	SWISS
29 Mar - 10 Apr	SWISS
26 Mar - 16 Apr	Lufthansa

Also check the deals for one-way flights from London to Lisbon in March.

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 March from 202€

Return flights