AirHint found the following cheapest one-way flights from London (LCY) to Lisbon (LIS) in September 2026 (see full year).
One-Way flights
| 02 Sep | KLM | ||
| 15 Sep | Luxair | ||
| 22 Sep | Luxair | ||
| 01 Sep | Luxair | ||
| 14 Sep | Luxair | ||
| 11 Sep | ITA Airways | ||
| 17 Sep | Iberia | ||
| 18 Sep | Iberia | ||
| 24 Sep | ITA Airways | ||
| 25 Sep | ITA Airways |
Also check the deals for return flights from London to Lisbon in September.
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