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 08/12/25 1 Stopover (LIS) TP1363, TP1934 13h 00min	Return 24/12/25 1 Stopover (BCN) VY8479, VY6650 11h 15min	TAP Air Portugal		£161
Best option London Heathrow Porto	Outbound 08/12/25 1 Stopover (LIS) TP1363, TP1926 07h 00min	Return 24/12/25 1 Stopover (BCN) IB5103, IB5641 11h 15min	TAP Air Portugal		£167
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	Outbound 08/12/25 1 Stopover (MAD) IB3645, IB0543 23h 15min	Return 24/12/25 1 Stopover (BCN) IB5103, IB5641 11h 15min	Iberia	?	£197
London Heathrow Porto	Outbound 10/12/25 1 Stopover (BRU) SN2104, SN3811 05h 15min	Return 27/12/25 1 Stopover (BRU) SN3812, SN2103 08h 25min	Brussels Airlines	?	£201
London Heathrow Porto	Outbound 08/12/25 1 Stopover (LIS) TP1351, TP1930 08h 45min	Return 24/12/25 1 Stopover (LIS) TP1923, TP1356 07h 30min	TAP Air Portugal		£221
London Heathrow Porto	Outbound 08/12/25 1 Stopover (LIS) TP1363, TP1926 07h 00min	Return 24/12/25 1 Stopover (LIS) TP1927, TP1356 05h 30min	TAP Air Portugal	?	£262
London Heathrow Porto	Outbound 22/12/25 1 Stopover (MAD) IB0722, IB0543 12h 55min	Return 10/01/26 1 Stopover (BCN) VY8475, VY6652 11h 20min	Iberia		£280
London Heathrow Porto	Outbound 22/12/25 1 Stopover (MAD) IB0724, IB0543 12h 35min	Return 10/01/26 1 Stopover (MAD) IB0544, IB0721 08h 55min	Iberia		£305
London Heathrow Porto	Outbound 22/12/25 1 Stopover (AMS) KL1000, KL1577 15h 55min	Return 10/01/26 1 Stopover (AMS) KL2588, KL1005 25h 20min	KLM	?	£319

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	160,99 £
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 235 £
Flight London Heathrow - Lisbon from 122 £
Flight London Heathrow - Faro from 117 £

Alternative flights to Porto

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