Cheapest one-way flights from London to Lisbon in December from $131

AirHint found the following cheapest one-way flights from London (LHR) to Lisbon (LIS) in December 2025 (see full year).

One-Way flights

31 Dec TAP direct
28 Dec TAP direct
29 Dec Iberia
30 Dec Iberia
29 Dec TAP direct
30 Dec TAP direct

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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