Cheapest return flights from Porto to London in December from 100€

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

Return flights

02 Dec - 03 Dec Ryanair direct
02 Dec - 08 Dec Ryanair direct
02 Dec - 09 Dec Ryanair direct
02 Dec - 07 Dec Ryanair direct
02 Dec - 04 Dec Ryanair direct
03 Dec - 08 Dec Ryanair direct
03 Dec - 09 Dec Ryanair direct
03 Dec - 07 Dec Ryanair direct
03 Dec - 04 Dec Ryanair direct
21 Dec - 04 Jan Ryanair direct
21 Dec - 08 Jan Ryanair direct
21 Dec - 02 Jan Ryanair direct
24 Dec - 04 Jan Ryanair direct
24 Dec - 08 Jan Ryanair direct
24 Dec - 02 Jan Ryanair direct
12 Dec - 02 Jan Ryanair direct
22 Dec - 04 Jan Ryanair direct
22 Dec - 08 Jan Ryanair direct
22 Dec - 02 Jan Ryanair direct
08 Dec - 09 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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