Cheapest return flights from London to Lisbon in December from 173€

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

Return flights

29 Dec - 10 Jan British Airways direct
30 Dec - 10 Jan British Airways direct
29 Dec - 09 Jan British Airways direct
30 Dec - 15 Jan British Airways direct
31 Dec - 10 Jan Brussels Airlines
30 Dec - 18 Jan British Airways direct
30 Dec - 13 Jan British Airways direct
28 Dec - 13 Jan British Airways direct
31 Dec - 11 Jan Brussels Airlines
31 Dec - 14 Jan TAP direct
30 Dec - 30 Dec SWISS
30 Dec - 31 Dec Iberia
28 Dec - 31 Dec Iberia
29 Dec - 31 Dec Iberia
28 Dec - 29 Dec TAP direct
29 Dec - 29 Dec TAP direct
28 Dec - 30 Dec Brussels Airlines
29 Dec - 30 Dec Lufthansa
29 Dec - 31 Dec TAP direct
30 Dec - 30 Dec TAP 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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