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

Return flights

29 Jun - 03 Jul	Iberia
07 Jun - 10 Jun	KLM
28 Jun - 03 Jul	Iberia
25 Jun - 05 Jul	KLM
17 Jun - 24 Jun	Iberia
17 Jun - 23 Jun	Iberia
10 Jun - 17 Jun	Luxair
05 Jun - 12 Jun	Iberia
05 Jun - 09 Jun	Iberia
08 Jun - 11 Jun	Luxair
05 Jun - 17 Jun	Iberia
05 Jun - 08 Jun	Luxair
15 Jun - 22 Jun	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.

Book a cheap hotel in Porto

Cheap car rent in Porto

Cheapest return flights from London to Porto in June from 208€

Return flights