Cheapest return LCY–LIS flights, December

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

Return flights

29 Dec - 12 Jan Iberia
12 Dec - 13 Dec Luxair
07 Dec - 10 Dec KLM
23 Dec - 30 Dec Iberia
25 Dec - 04 Jan SWISS
26 Dec - 04 Jan KLM
28 Dec - 04 Jan KLM
20 Dec - 23 Dec KLM
24 Dec - 04 Jan SWISS
24 Dec - 03 Jan KLM
20 Dec - 16 Jan KLM
25 Dec - 28 Dec KLM
23 Dec - 29 Dec Lufthansa
20 Dec - 05 Jan KLM
19 Dec - 31 Dec KLM
21 Dec - 03 Jan KLM
27 Dec - 02 Jan ITA Airways

Also check the deals for one-way flights from London to Lisbon in December.

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