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

Return flights

20 Jun - 27 Jun	Iberia
04 Jun - 09 Jun	TAP
19 Jun - 22 Jun	Iberia
11 Jun - 15 Jun	TAP
12 Jun - 15 Jun	TAP
04 Jun - 08 Jun	TAP
13 Jun - 17 Jun	TAP
08 Jun - 12 Jun	TAP
15 Jun - 21 Jun	TAP
05 Jun - 08 Jun	TAP
21 Jun - 06 Jul	TAP
24 Jun - 06 Jul	TAP
27 Jun - 11 Jul	British Airways

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 $235

Return flights