Cheapest return flights from London to Porto in December from 114€

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

Return flights

06 Dec - 11 Dec Vueling Airlines
06 Dec - 13 Dec Vueling Airlines
09 Dec - 13 Dec Vueling Airlines
09 Dec - 11 Dec Vueling Airlines
28 Dec - 13 Jan TAP
06 Dec - 10 Dec Vueling Airlines
11 Dec - 13 Dec Vueling Airlines
06 Dec - 15 Dec Vueling Airlines
06 Dec - 24 Dec Vueling Airlines
06 Dec - 22 Dec Vueling Airlines
06 Dec - 21 Dec Vueling Airlines
13 Dec - 14 Jan Vueling Airlines
15 Dec - 20 Jan Vueling Airlines
16 Dec - 20 Jan Vueling Airlines
31 Dec - 14 Jan Vueling Airlines
16 Dec - 07 Jan Vueling Airlines
15 Dec - 07 Jan Vueling Airlines
02 Dec - 16 Jan KLM
31 Dec - 10 Jan Vueling Airlines
16 Dec - 08 Jan Vueling Airlines

Also check the deals for one-way flights from London to Porto 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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