Cheapest return flights from Porto to London in December from 38€

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

Return flights

17 Dec - 05 Jan Ryanair direct
17 Dec - 06 Jan Ryanair direct
17 Dec - 04 Jan Ryanair direct
16 Dec - 05 Jan Ryanair direct
14 Dec - 04 Jan Ryanair direct
17 Dec - 02 Jan Ryanair direct
16 Dec - 06 Jan Ryanair direct
16 Dec - 04 Jan Ryanair direct
17 Dec - 07 Jan Ryanair direct
17 Dec - 01 Jan Ryanair direct
17 Dec - 31 Dec Ryanair direct
14 Dec - 31 Dec Ryanair direct
16 Dec - 31 Dec Ryanair direct
12 Dec - 31 Dec Ryanair direct
11 Dec - 31 Dec Ryanair direct
10 Dec - 31 Dec Ryanair direct
10 Dec - 11 Dec Ryanair direct
18 Dec - 31 Dec Ryanair direct
03 Dec - 05 Dec Ryanair direct
10 Dec - 14 Dec Ryanair direct

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