AirHint found the following cheapest return flights from London (LHR) to Porto (OPO) in January 2026 (see full year).

Return flights

22 Jan - 29 Jan	TAP
21 Jan - 28 Jan	TAP
30 Jan - 04 Feb	TAP
29 Jan - 01 Feb	TAP
19 Jan - 22 Jan	TAP
26 Jan - 29 Jan	TAP
16 Jan - 18 Jan	TAP
27 Jan - 30 Jan	TAP
28 Jan - 31 Jan	TAP
11 Jan - 18 Jan	TAP
20 Jan - 23 Jan	TAP
22 Jan - 24 Jan	TAP
31 Jan - 07 Feb	TAP
12 Jan - 25 Feb	Vueling Airlines
30 Jan - 12 Feb	TAP
27 Jan - 03 Feb	Vueling Airlines
27 Jan - 10 Feb	Vueling Airlines
23 Jan - 03 Feb	Vueling Airlines
23 Jan - 10 Feb	Vueling Airlines
22 Jan - 03 Feb	Vueling Airlines

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

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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Cheapest return flights from London to Porto in January from 132€

Return flights