Cheapest return flights from London to Lisbon in May from $234

Best time to book flights for London (LHR) to Lisbon (LIS) flights at AirHint

AirHint found the following cheapest return flights from London (LHR) to Lisbon (LIS) in May 2025 (see full year).

Return flights

29 May - 03 Jun SWISS
31 May - 06 Jun SWISS
30 May - 06 Jun SWISS
31 May - 11 Jun SWISS
29 May - 19 Jun TAP direct
31 May - 05 Jun TAP direct
31 May - 28 Jun TAP
31 May - 20 Jun TAP
31 May - 11 Jun TAP direct
29 May - 05 Jun SWISS
28 May - 29 May Iberia
28 May - 28 May TAP
22 May - 27 May SWISS
27 May - 28 May Iberia
29 May - 30 May TAP
27 May - 31 May KLM
22 May - 29 May SWISS
26 May - 30 May SWISS
27 May - 30 May KLM
24 May - 29 May Lufthansa

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

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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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