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 09/03/26 1 Stopover (BCN) VY6653, VY8474 11h 20min	Return 15/03/26 1 Stopover (LIS) TP1935, TP1352 16h 40min	Vueling Airlines		£155
Best option London Heathrow Porto	Outbound 27/05/26 1 Stopover (BRU) SN2094, SN3809 04h 55min	Return 10/06/26 1 Stopover (BRU) SN3812, SN2103 08h 40min	Brussels Airlines	?	£161
London Heathrow Porto Please note: transfer for connecting flight	Outbound 31/03/26 1 Stopover (LIS) TP1367, TP1930 05h 40min	Return 21/04/26 1 Stopover (MAD) UX1146, IB0721 05h 40min	TAP Air Portugal		£288
London Heathrow Porto	Outbound 26/03/26 1 Stopover (LIS) TP1369, TP1920 11h 50min	Return 31/03/26 1 Stopover (LIS) TP1935, TP1356 11h 50min	TAP Air Portugal		£339
London Heathrow Porto	Outbound 12/03/26 1 Stopover (BRU) SN2104, SN3811 05h 15min	Return 18/03/26 1 Stopover (BRU) SN3812, SN2103 08h 25min	Brussels Airlines	?	£185
London Heathrow Porto	Outbound 09/03/26 1 Stopover (LIS) TP1351, TP1930 08h 45min	Return 15/03/26 1 Stopover (LIS) TP1923, TP1368 05h 35min	TAP Air Portugal	?	£187
London Heathrow Porto	Outbound 25/05/26 1 Stopover (LIS) TP1369, TP1920 12h 00min	Return 07/06/26 1 Stopover (LIS) TP1939, TP1366 15h 50min	TAP Air Portugal		£201
London Heathrow Porto	Outbound 08/08/26 1 Stopover (AMS) KL1000, KL1577 15h 45min	Return 31/08/26 1 Stopover (AMS) KL1576, KL1001 11h 30min	KLM	?	£218
London Heathrow Porto	Outbound 25/05/26 1 Stopover (MAD) IB0722, FR5482 26h 15min	Return 07/06/26 1 Stopover (MAD) FR0573, IB0711 26h 30min	Iberia, Ryanair	?	£229
London Heathrow Porto	Outbound 25/05/26 1 Stopover (LIS) TP1369, TP1920 12h 00min	Return 07/06/26 1 Stopover (LIS) TP1937, TP1356 05h 15min	TAP Air Portugal	?	£235

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	154,10 £
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 184 £
Flight London Heathrow - Lisbon from 78 £
Flight London Heathrow - Faro from 123 £

Alternative flights to Porto

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