Cheapest return flights from London to Porto in December from $164

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

Return flights

10 Dec - 23 Dec Vueling Airlines
10 Dec - 20 Dec Vueling Airlines
10 Dec - 17 Dec Vueling Airlines
10 Dec - 21 Dec Vueling Airlines
10 Dec - 22 Dec Vueling Airlines
10 Dec - 16 Dec Vueling Airlines
10 Dec - 13 Dec Vueling Airlines
13 Dec - 23 Dec Vueling Airlines
13 Dec - 17 Dec Vueling Airlines
13 Dec - 21 Dec Vueling Airlines
10 Dec - 08 Jan TAP
31 Dec - 07 Jan TAP
28 Dec - 11 Jan TAP
31 Dec - 10 Jan Vueling Airlines
16 Dec - 05 Jan Vueling Airlines
31 Dec - 09 Jan Vueling Airlines
31 Dec - 13 Jan Vueling Airlines
31 Dec - 14 Jan Vueling Airlines
31 Dec - 12 Jan Vueling Airlines
31 Dec - 15 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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