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

Return flights

26 Jul - 29 Jul	TAP
18 Jul - 26 Jul	TAP
10 Jul - 12 Jul	TAP
17 Jul - 28 Jul	TAP
03 Jul - 05 Jul	Iberia
17 Jul - 19 Jul	TAP
15 Jul - 17 Jul	TAP
24 Jul - 27 Jul	TAP
17 Jul - 20 Jul	TAP
10 Jul - 13 Jul	TAP

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

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 July from 194€

Return flights