Cheapest one-way flights from London to Lisbon in May from $140

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

One-Way flights

26 May ITA Airways
20 May ITA Airways
21 May ITA Airways
25 May ITA Airways
19 May SWISS
06 May SWISS
22 May Luxair
30 May KLM
29 May SWISS
07 May KLM

Also check the deals for return flights from London to Lisbon in May.

Powered by

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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon

Feel free to contact us with any feedback or request another flight research.