Cheapest return flights from Porto to London in December from $117

Best time to book flights for Porto (OPO) to London (STN) flights at AirHint

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

Return flights

13 Dec - 31 Dec Ryanair direct
19 Dec - 31 Dec Ryanair direct
20 Dec - 31 Dec Ryanair direct
01 Dec - 04 Dec Ryanair direct
01 Dec - 03 Dec Ryanair direct
01 Dec - 10 Dec Ryanair direct
11 Dec - 31 Dec Ryanair direct
18 Dec - 31 Dec Ryanair direct
07 Dec - 10 Dec Ryanair direct
14 Dec - 31 Dec Ryanair direct
13 Dec - 03 Jan Ryanair direct
19 Dec - 03 Jan Ryanair direct
19 Dec - 04 Jan Ryanair direct
20 Dec - 04 Jan Ryanair direct
21 Dec - 03 Jan Ryanair direct
21 Dec - 11 Jan Ryanair direct
21 Dec - 04 Jan Ryanair direct
18 Dec - 03 Jan Ryanair direct
18 Dec - 04 Jan Ryanair direct
15 Dec - 03 Jan Ryanair direct

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

Skyscanner

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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