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

Return flights

30 Jun - 07 Jul	Iberia
06 Jun - 09 Jun	Iberia
10 Jun - 16 Jun	Iberia
24 Jun - 01 Jul	Iberia
05 Jun - 12 Jun	Iberia
25 Jun - 30 Jun	Iberia
06 Jun - 10 Jun	Iberia
10 Jun - 13 Jun	Iberia
15 Jun - 18 Jun	Iberia
23 Jun - 26 Jun	Vueling Airlines
23 Jun - 25 Jun	Vueling Airlines
20 Jun - 04 Jul	Iberia
15 Jun - 20 Jun	Iberia
30 Jun - 08 Jul	Vueling Airlines
30 Jun - 20 Jul	Vueling Airlines
30 Jun - 14 Jul	Vueling Airlines
13 Jun - 01 Jul	Vueling Airlines
30 Jun - 06 Jul	Vueling Airlines
30 Jun - 01 Jul	Vueling Airlines
13 Jun - 02 Jul	Vueling Airlines

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

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 June from 150€

Return flights