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

Return flights

25 Jun - 28 Jun	Luxair
08 Jun - 12 Jun	Luxair
05 Jun - 08 Jun	Luxair
15 Jun - 22 Jun	Luxair
03 Jun - 10 Jun	Luxair
04 Jun - 09 Jun	Luxair
04 Jun - 10 Jun	Luxair
21 Jun - 03 Jul	Luxair
01 Jun - 05 Jun	Luxair
10 Jun - 15 Jun	Luxair
27 Jun - 02 Jul	KLM
14 Jun - 19 Jun	Luxair
29 Jun - 09 Jul	Luxair
29 Jun - 02 Jul	Luxair

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 254€

Return flights