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.

	Outbound	Return	Airlines	Baggage	Price
London Heathrow Porto	Outbound 20/03/26 1 Stopover (BCN) VY6653, VY8478 26h 25min	Return 17/04/26 1 Stopover (MAD) IB1154, IB0719 19h 40min	Vueling Airlines	?	£153
Best option London Heathrow Porto	Outbound 20/03/26 1 Stopover (LIS) TP1351, TP1932 09h 45min	Return 17/04/26 1 Stopover (LIS) TP1929, TP1366 06h 55min	TAP Air Portugal	?	£178
London Heathrow Porto	Outbound 22/12/25 1 Stopover (MAD) BA0456, IB0545 05h 30min	Return 10/01/26 1 Stopover (MAD) IB0544, IB0721 08h 55min	British Airways, Iberia		£290
London Heathrow Porto Please note: transfer for connecting flight	Outbound 09/12/25 1 Stopover (LIS) TP1359, TP1934 05h 20min	Return 02/01/26 1 Stopover (DUB) FR7073, EI0168 05h 50min	TAP Air Portugal		£428
London Heathrow Porto	Outbound 20/03/26 1 Stopover (LIS) TP1357, TP1922 15h 20min	Return 17/04/26 1 Stopover (LIS) TP1929, TP1358 06h 05min	TAP Air Portugal		£160
London Heathrow Porto	Outbound 20/03/26 1 Stopover (LIS) TP1369, TP1920 12h 00min	Return 17/04/26 1 Stopover (LIS) TP1929, TP1366 06h 55min	TAP Air Portugal	?	£168
London Heathrow Porto	Outbound 20/03/26 1 Stopover (LIS) TP1369, TP1928 20h 00min	Return 17/04/26 1 Stopover (LIS) TP1927, TP1358 10h 10min	TAP Air Portugal		£175
London Heathrow Porto	Outbound 20/03/26 1 Stopover (LIS) TP1351, TP1932 09h 45min	Return 17/04/26 1 Stopover (LIS) TP1929, TP1366 06h 55min	TAP Air Portugal		£180
London Heathrow Porto	Outbound 20/03/26 1 Stopover (LIS) TP1351, TP1928 06h 45min	Return 17/04/26 1 Stopover (LIS) TP1929, TP1358 06h 05min	TAP Air Portugal		£203
London Heathrow Porto	Outbound 10/12/25 1 Stopover (BRU) SN2096, SN3811 18h 15min	Return 31/12/25 1 Stopover (BRU) SN3812, SN2103 08h 25min	Brussels Airlines	?	£213

Tips and tricks to help you find cheap flights from London Heathrow to Porto

Important flight information

Flight information: London Heathrow - Porto

Outbound and return from	152,28 £
Distance	1300 km
Departure airport	Airport London Heathrow (LHR)
Arrival airport	Airport Porto (OPO)
Destination country	Flights to Portugal

Alternative routes to Portugal

Flight London Heathrow - Funchal from 229 £
Flight London Heathrow - Lisbon from 72 £
Flight London Heathrow - Faro from 117 £

Alternative flights to Porto

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