AirHint found the following cheapest one-way flights from London (LCY) to Lisbon (LIS) in December 2025 (see full year).
One-Way flights
| 03 Dec | KLM | ||
| 04 Dec | KLM | ||
| 02 Dec | KLM | ||
| 31 Dec | KLM | ||
| 30 Dec | Iberia | ||
| 15 Dec | Iberia | ||
| 16 Dec | KLM | ||
| 18 Dec | ITA Airways | ||
| 10 Dec | KLM | ||
| 05 Dec | KLM |
Also check the deals for return flights from London to Lisbon in December.
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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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