Cheapest return flights from London to Lisbon in December from $132

Best time to book flights for London (LHR) to Lisbon (LIS) flights at AirHint

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

Return flights

09 Dec - 14 Dec British Airways direct
11 Dec - 18 Dec British Airways direct
02 Dec - 05 Dec British Airways direct
02 Dec - 06 Dec British Airways direct
03 Dec - 07 Dec British Airways direct
04 Dec - 08 Dec British Airways direct
11 Dec - 09 Jan British Airways direct
15 Dec - 21 Dec British Airways direct
13 Dec - 23 Dec British Airways direct
01 Dec - 05 Dec British Airways direct
30 Dec - 07 Jan British Airways direct
15 Dec - 20 Dec British Airways direct
17 Dec - 11 Jan British Airways direct
24 Dec - 06 Jan British Airways direct
28 Dec - 08 Jan British Airways direct
25 Dec - 06 Jan British Airways direct
28 Dec - 07 Jan British Airways direct
26 Dec - 06 Jan British Airways direct
28 Dec - 06 Jan British Airways direct
12 Dec - 07 Jan British Airways direct

Also check the deals for one-way 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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