Cheapest return flights from London to Porto in July from $294

Best time to book flights for London (LCY) to Porto (OPO) flights at AirHint

AirHint found the following cheapest return flights from London (LCY) to Porto (OPO) in July 2025 (see full year).

Return flights

01 Jul - 08 Jul SWISS
17 Jul - 21 Jul KLM
15 Jul - 21 Jul KLM
04 Jul - 09 Jul KLM
02 Jul - 07 Jul KLM
14 Jul - 18 Jul KLM
01 Jul - 07 Jul KLM
18 Jul - 21 Jul KLM
03 Jul - 08 Jul SWISS
16 Jul - 20 Jul KLM
28 Jul - 10 Aug KLM
25 Jul - 08 Aug KLM
31 Jul - 03 Aug Lufthansa
28 Jul - 07 Aug SWISS
23 Jul - 06 Aug KLM
31 Jul - 04 Aug Lufthansa
28 Jul - 04 Aug Lufthansa
27 Jul - 03 Aug SWISS

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

Skyscanner

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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