Cheapest return LCY–LIS flights, May

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

Return flights

05 May - 14 May KLM
05 May - 12 May KLM
05 May - 15 May KLM
05 May - 08 May KLM
07 May - 12 May KLM
07 May - 14 May KLM
07 May - 13 May KLM
07 May - 01 Jun KLM
19 May - 01 Jun KLM
12 May - 19 May Iberia
19 May - 26 May Iberia
11 May - 19 May KLM
31 May - 12 Jun KLM
26 May - 01 Jun KLM
12 May - 12 Jun Iberia
28 May - 10 Jun Iberia
30 May - 17 Jun KLM
16 May - 26 Jun KLM
30 May - 03 Jun KLM
30 May - 01 Jun KLM

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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