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

Return flights

06 Apr - 09 Apr	Lufthansa
14 Apr - 17 Apr	SWISS
23 Apr - 27 Apr	Luxair
28 Apr - 07 May	KLM
24 Apr - 27 Apr	Luxair
20 Apr - 23 Apr	Air Dolomiti
28 Apr - 01 May	SWISS
30 Apr - 04 May	Luxair
21 Apr - 29 Apr	SWISS
21 Apr - 24 Apr	SWISS
27 Apr - 30 Apr	Air Dolomiti
08 Apr - 15 Apr	KLM
07 Apr - 10 Apr	SWISS
27 Apr - 06 May	Air Dolomiti
13 Apr - 11 May	SWISS
30 Apr - 03 May	KLM
28 Apr - 03 May	SWISS
28 Apr - 06 May	Air Dolomiti
27 Apr - 03 May	Air Dolomiti
15 Apr - 11 May	Air Dolomiti

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

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 April from 239€

Return flights