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Our cheapest offers for flights from London Heathrow to Porto

Here you can compare cheap flights from London Heathrow (LHR) to Porto (OPO) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Porto. Prices and availability may change at any time.

Best option London Heathrow Porto	10/05/24 1 Stopover (LIS) TP1369, TP1932 23h 10min	30/05/24 1 Stopover (LIS) TP1929, TP1366 06h 55min	TAP Air Portugal	?	£181 Found several days ago	Check
London Heathrow Porto	05/08/24 1 Stopover (MAD) BA7073, BA7100 05h 25min	31/08/24 1 Stopover (MAD) BA7113, BA7050 10h 00min	British Airways		£441 Found several days ago	Check
London Heathrow Porto	05/08/24 1 Stopover (MAD) BA7073, BA7100 05h 25min	31/08/24 1 Stopover (MAD) BA7113, BA7050 10h 00min	British Airways		£446 Found several days ago	Check
London Heathrow Porto	05/08/24 1 Stopover (MAD) BA7073, BA7100 05h 25min	31/08/24 1 Stopover (MAD) BA7113, BA7050 10h 00min	British Airways		£447 Found several days ago	Check