Cheap Flights from Porto to London

Compare Porto to London flight deals

Find the cheapest month or even day of the year to fly to London

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Flight deals from Porto to London

Looking for a cheap last-minute deal or the best return flight from Porto to London? Find the lowest prices on one-way and return tickets right here.

London.ج.م.‏ 955 per passenger.Departing Wed, 17 Dec.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Porto on Wed, 17 Dec, arriving in London Stansted.Price includes taxes and charges.From ج.م.‏ 955, select.

London.ج.م.‏ 1,236 per passenger.Departing Thu, 26 Mar.One-way flight with easyJet.Outbound direct flight with easyJet departs from Porto on Thu, 26 Mar, arriving in London Gatwick.Price includes taxes and charges.From ج.م.‏ 1,236, select.

London.ج.م.‏ 1,236 per passenger.Departing Sat, 2 May.One-way flight with easyJet.Outbound direct flight with easyJet departs from Porto on Sat, 2 May, arriving in London Gatwick.Price includes taxes and charges.From ج.م.‏ 1,236, select.

London.ج.م.‏ 1,294 per passenger.Departing Sun, 18 Jan.One-way flight with easyJet.Outbound direct flight with easyJet departs from Porto on Sun, 18 Jan, arriving in London Luton.Price includes taxes and charges.From ج.م.‏ 1,294, select.

London.ج.م.‏ 1,376 per passenger.Departing Thu, 12 Feb.One-way flight with easyJet.Outbound direct flight with easyJet departs from Porto on Thu, 12 Feb, arriving in London Luton.Price includes taxes and charges.From ج.م.‏ 1,376, select.

London.ج.م.‏ 1,404 per passenger.Departing Wed, 19 Nov.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Porto on Wed, 19 Nov, arriving in London Stansted.Price includes taxes and charges.From ج.م.‏ 1,404, select.

London.ج.م.‏ 1,629 per passenger.Departing Thu, 9 Oct.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Porto on Thu, 9 Oct, arriving in London Stansted.Price includes taxes and charges.From ج.م.‏ 1,629, select.

London.ج.م.‏ 1,707 per passenger.Departing Wed, 22 Jul.One-way flight with easyJet.Outbound direct flight with easyJet departs from Porto on Wed, 22 Jul, arriving in London Gatwick.Price includes taxes and charges.From ج.م.‏ 1,707, select.

Find the cheapest month to fly from Porto to London

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Porto to London flights are currently cheapest in December.

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Direct flights from Porto to London

Alternative Porto to London routes

Looking for the cheapest, fastest or easiest route from Porto to London? You could fly into the following airports instead.

Porto to London: Flight information

The things to know before you go.

Cheapest flight found	ج.م.‏ 955
Cheapest month to fly	December
Average flight time	2 hrs, 24 mins
Most popular airline	easyJet
Average flights per week	67

Finding cheap flights from Porto to London: Frequently asked questions

How many airports are there in London?

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.

How much are return flights from Porto to London?

The best price we found for a return flight from Porto to London is ج.م.‏ 2,472. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Porto to London?

2 hours and 23 minutes is the average flight time from Porto to London.

Which airlines fly direct from Porto to London?

easyJet, Ryanair and TAP Air Portugal fly direct from Porto to London.

How many flights are there a week from Porto to London?

As of September 2025, there are 67 flights per week flying from Porto to London.

When is the cheapest time to fly from Porto to London?

The cheapest month to fly from Porto to London is usually November.

Which is the cheapest airport to fly into in London?

If you're flying from Porto Airport, the cheapest airport near London is London Stansted – which is 48.6 km away from the centre of London. We've found flights into this airport from ج.م.‏ 2,472.

Which upcoming date is cheapest to fly from Porto Airport to London on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Airport to London on Saturday, 15 November 2025.

Can I get a direct flight from Porto Airport to London?

Yes – the average flight time is 2 hours and 23 minutes.

How can I get the best flight deal from Porto Airport to London?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to London?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in London?

In September, the average temperature is usually around 15°C. August is typically the warmest month in London, when it usually averages around 22°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 1°C. The rainiest month is October.

Which is the cheapest airline to fly from Porto Airport to London with?

Currently, Ryanair offers the cheapest flight tickets to London.

Flying from Porto Airport (OPO) to London: what you need to know

Porto (the location of Porto Airport) and London follow the same timezone — UTC+0.
Porto Airport (OPO) to London Gatwick Airport (LGW) is the most popular route, with 28 weekly departures to choose from. If you have things to finalize before heading off, the last flight from OPO to LGW is with British Airways at 21:25. Choose the first departure with TAP Portugal at 06:00 if you want to fly out earlier.
Give yourself plenty of time to get on your OPO to London flight. A good rule of thumb is to arrive at least two hours before international departures and an hour ahead for domestic flights.
Longer lines at check-in and security are more likely if you're flying during high season, so give yourself some extra breathing room. A good rule for peak periods? Arrive up to four hours early for international flights and at least two hours for domestic departures.
Begin your travels at OPO and go straight to London without layovers. When booking a direct Porto Airport to London ticket, here's a list of airports you can land at:
- London Gatwick Airport (LGW)
- Stansted Airport (STN)
- London Luton Airport (LTN)
These are some of the leading airlines offering direct flights from Porto Airport to London:
Stopovers are the perfect opportunity to take a break from travelling and perhaps even explore a different city. When browsing for flight tickets from OPO to London, deselect the 'Direct flights only' box to see where you can stop along the way. Popular options include:
- Amsterdam Airport Schiphol (AMS)
- Charles de Gaulle Airport (CDG)
- Adolfo Suarez Madrid-Barajas Airport (MAD)
The journey from central Porto to OPO takes about 50 minutes on public transport. If you drive, ride-share or grab a cab, you'll cover the 11 kilometres in 20 minutes or so, depending on traffic.
Planning to catch an early flight from Porto Airport to London? Avoid the hassle of rushing to the airport (and enjoy a little extra shut-eye) by choosing one of these hotels near OPO:
74.49% of flights departing from Porto Airport make it to their destination on time.

How to find the cheapest flights from Porto Airport (OPO) to London

ج.م.‏ 962 is currently the best price for a one-way Porto Airport to London flight. Return flight tickets start from ج.م.‏ 2,472. These prices can change based on demand and availability.
Score cheap flights from OPO to London by booking three months ahead. According to our research, that's the best time for finding the biggest deals.
Schedule your trip for July. That's the best month for landing an incredible deal on Porto Airport to London tickets. If your travel dates are flexible, use the 'Whole month' tool to find the lowest price across each month.
There's no need to keep checking in to find out if fares have dropped when you set up a Price Alert. We'll update you the moment there's an even better deal on cheap flights from OPO to London.
Pick your ideal departure and arrival times, number of stops and airlines with our filters. Then, sort the results for your flight from Porto Airport to London by 'Fastest,' 'Best' or 'Cheapest.'

Airports in London

London Heathrow Airport (LHR)

London Heathrow Airport (LHR) is around 31 kilometres from the centre of London. If you're opting for a ride-share or a cab, the drive takes about 55 minutes.
If you're travelling by public transport, expect a journey time of around 1 hour.
Consider staying in a hotel close to LHR if you have a late flight from Porto Airport to London. Choose one of these accommodation options and make arrival day easier:
Get your adventure underway by picking up a London Heathrow Airport rental car. Grab your wheels from Surprice, U-Save or Green Motion and experience the lesser-explored corners of London and beyond.
Reserving your ride from London Heathrow Airport around one week ahead of your flight from OPO to London can help you get the best possible rate.

London Gatwick Airport (LGW)

The centre of London is around 80 kilometres from London Gatwick Airport (LGW). Once your flight from Porto Airport to London has hit the runway and you've made your way through the terminal, expect a drive of around 1 hour 20 minutes.
If you choose to travel on public transport, the journey will take you 30 minutes or so.
You'll find some comfortable places to call home for the night near LGW. Kick back and get cosy after your OPO to London flight at any of these well-located options:
Green Motion, U-Save and Drivalia make picking up a London Gatwick Airport rental car quick and easy. These companies are located in or around the terminal and will have you behind the wheel before you know it.
Snap up a deal by securing your ride from LGW three weeks in advance. You'll also have access to a greater selection of vehicles.

Stansted Airport (STN)

Stansted Airport (STN) is around 64 kilometres from the centre of London. It takes about 1 hour to get to the city centre by cab or ride-share once you've hopped off your flight from Porto Airport to London.
The journey will take roughly 1 hour 25 minutes when travelling on public transport.
If you don't want to make your way to the centre, find a hotel close to STN. Get comfortable at one of these stays after your OPO to London flight:
Start your journey without stressing over how to reach your next stop with a Stansted Airport rental car. You can book your wheels with reliable suppliers here like Green Motion, Drivalia and Europcar.
Enjoy a payoff when you plan ahead. Book your vehicle from STN four weeks before your flight from Porto Airport to London for the best rates.

Best time to go to London

Before scheduling your flights from Porto Airport to London, consider which time of year is best for you. High season in London offers a lively atmosphere and plenty to do, while the low season means you'll get better deals on hotels and fewer crowds.
Lock in a Porto Airport to London flight ticket with a departure in July if you want to explore the city during its warmest month. You can expect temperatures to range from 11ºC to 26ºC.
Search for cheap tickets from OPO to London in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 0ºC and 9ºC on average.

More about London

When it comes to looking for somewhere to lay your head, you'll find the best stays in London right here. Explore these hotels once you've booked your flight from Porto Airport to London:
Every great holiday has to include some sightseeing. The British Museum, Big Ben and Buckingham Palace are must-do's during your London adventure.

Explore more of United Kingdom

You've visited London, now it's time to explore other parts of United Kingdom. Journey around 161 kilometres north-west to Birmingham to check off its leading attractions. From Cadbury World to The Library of Birmingham and National Sea Life Centre, you'll have a full itinerary ahead.
Bristol is another well-known destination in United Kingdom and is around 177 kilometres west of London. No trip is complete without visiting Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.