December is by far the best month, wherein you can get cheapest flights for London to Porto. Meanwhile, December is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
December- During this month the footfall is less so, the flight is gradually inexpensive.
December - is the cheapest month to book round trip flights.
Disclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

LHR
19:05
London
London Heathrow Airport
Sat , 15 Nov 2025

OPO
07:40
Porto
Francisco Sa Carneiro Airport
Sun, 16 Nov 2025

LHR
17:50
London
London Heathrow Airport
Sat , 15 Nov 2025

OPO
10:30
Porto
Francisco Sa Carneiro Airport
Sun, 16 Nov 2025

LHR
20:50
London
London Heathrow Airport
Sat , 15 Nov 2025

OPO
08:10
Porto
Francisco Sa Carneiro Airport
Sun, 16 Nov 2025

LHR
15:05
London
London Heathrow Airport
Sat , 15 Nov 2025

OPO
20:00
Porto
Francisco Sa Carneiro Airport
Sat, 15 Nov 2025

LHR
16:25
London
London Heathrow Airport
Sat , 15 Nov 2025

OPO
22:25
Porto
Francisco Sa Carneiro Airport
Sat, 15 Nov 2025

LHR
15:05
London
London Heathrow Airport
Sat , 15 Nov 2025

OPO
20:00
Porto
Francisco Sa Carneiro Airport
Sat, 15 Nov 2025

LHR
11:05
London
London Heathrow Airport
Sat , 15 Nov 2025

OPO
12:05
Porto
Francisco Sa Carneiro Airport
Sun, 16 Nov 2025

LHR
06:35
London
London Heathrow Airport
Sat , 15 Nov 2025

OPO
12:50
Porto
Francisco Sa Carneiro Airport
Sat, 15 Nov 2025

LHR
06:50
London
London Heathrow Airport
Sat , 15 Nov 2025

OPO
12:05
Porto
Francisco Sa Carneiro Airport
Sat, 15 Nov 2025

LHR
06:00
London
London Heathrow Airport
Sat , 15 Nov 2025

OPO
11:10
Porto
Francisco Sa Carneiro Airport
Sat, 15 Nov 2025

LHR
22:35
London
London Heathrow Airport
Sat , 15 Nov 2025

OPO
09:55
Porto
Francisco Sa Carneiro Airport
Sun, 16 Nov 2025










Flying from London to Porto has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.
The air route between London to Porto is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between London Heathrow Airport (LHR) and Francisco Sa Carneiro Airport (OPO). You can expect a flight distance of approximately 1298 km, and most direct services cover it in around 09:56.
Let’s take a closer look at everything you need to know before booking your flight from London to Porto.
| Flight Details | Information |
|---|---|
| Route Distance | 1298 km |
| Average Flight Time | 09:56 hrs |
| Departure Airport | London Heathrow Airport (LHR) |
| Arrival Airport | Francisco Sa Carneiro Airport (OPO) |
| Cabin Classes Available | Economy Class, Premium Economy, Business Class, First Class |
| Direct Flights | NO |
| Common Airlines | British Airways, KLM Royal Dutch Airlines, Iberia, Brussels Airlines |
The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.