Cheap Flights from London to Porto

origin
    selected
    destination
      selected
      Travellers and cabin class, 1 Adult, Economy

      Compare London to Porto flight deals

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

      Book the best Porto fare with no extra fees

      Flight deals from London to Porto

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

      Find the cheapest month to fly from London to Porto

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

      Direct flights from London to Porto

      London to Porto: Alternative routes

      Compare routes from London to Porto below. You may find an airport to fly into that's cheaper, faster, or easier than Porto.

      London to Porto: Flight information

      The things to know before you go.
      Cheapest flight foundج.م.‏ 1,295
      Cheapest month to flySeptember
      Average flight time2 hrs, 26 mins
      Most popular airlineeasyJet
      Average flights per week86

      Finding cheap flights from London to Porto: Frequently asked questions

      The best price we found for a return flight from London to Porto is ج.م.‏ 2,987. 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.
      2 hours and 26 minutes is the average flight time from London to Porto.
      easyJet, Ryanair and TAP Air Portugal fly direct from London to Porto.
      As of June 2025, there are 258 flights per week flying from London to Porto.
      The cheapest month to fly from London to Porto is usually June 2025.
      After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Porto Airport on Sunday, 28 September 2025.
      Yes – the average flight time is 2 hours and 26 minutes.
      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 Porto 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.
      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Porto is around 40 days in advance, so don’t leave your flight to the last minute.
      The cheapest airline that flies to Porto is Ryanair .

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

      • London has plenty of airports to start your journey from. Check out your departure options from London Heathrow Airport (LHR) and London Gatwick Airport (LGW) when planning your flight from London to Porto Airport (OPO). Stansted Airport (STN), London Luton Airport (LTN) and London City Airport (LCY) are the other main bases in the city.

      • Porto's timezone is UTC+0, which is the same as London. Porto Airport is located in Porto.

      • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Be at the airport with enough time to catch your flight from London to OPO.

      • Delays at check-in and security are more likely if you're heading away during high season, so allow some extra breathing room. The recommendation for peak periods? Get there up to four hours early for international flights and at least two hours for domestic departures.

      Airports in London

      London Heathrow Airport (LHR)

      • We make it a piece of cake to book cheap flights from London to OPO with a stopover. To explore all the options departing from London Heathrow Airport (LHR), uncheck 'Direct flights only.' Then, select a flight offering a stop long enough to tour your chosen city. Top stopovers between LHR and OPO include:

        • Charles de Gaulle Airport (CDG)

        • Adolfo Suarez Madrid-Barajas Airport (MAD)

        • Paris Orly Airport (ORY)

      • Located around 31 kilometres from the centre of London, LHR can be reached in about 55 minutes by car (depending on traffic). The journey on public transport takes roughly 1 hour.

      • Want a relaxed start to your journey? Stay near London Heathrow Airport. Whether you're boarding an early flight from London to Porto Airport or just don't like being rushed, these hotels are the ideal choice:

      • When it comes to London Heathrow Airport's on-time performance, data shows 68.18% of flights stick to their scheduled arrival time.

      London Gatwick Airport (LGW)

      • You can book a direct London to Porto Airport (OPO) flight ticket with departures from London Gatwick Airport (LGW). Decide if leaving from LGW is a better fit for your trip.

      • You can pick from a variety of airlines operating direct flights from London to OPO departing from LGW. Set off with any of these carriers leave the layovers behind:

      • On the LGW to OPO route, TAP Portugal is the airline most travellers rely on.

      • With 68.75% of services landing on schedule, TAP Portugal is the top on-time carrier flying between London Gatwick Airport and Porto Airport.

      • LGW is around 80 kilometres from central London. It'll take 1 hour 20 minutes or so to get to the airport in a car from the city centre. Public transport takes roughly 30 minutes.

      • Want to treat yourself to an extra night away before catching your London to OPO flight? Relax in a hotel near London Gatwick Airport before your trip officially begins. These stays are calling your name:

      • 69.26% of flights out of London Gatwick Airport make it to their destination as expected.

      Stansted Airport (STN)

      • Kick off your adventure at Stansted Airport (STN) and go straight to your destination without stopping. You can book direct flights from London to Porto Airport from here.

      • You can fly out of STN with Ryanair. This popular carrier offers direct London to OPO flight tickets.

      • The top choice among passengers flying between STN and OPO is Ryanair.

      • Ryanair is the most consistent performer for punctuality on this route.

      • STN is around 64 kilometres from central London. Driving from the city centre to the airport takes about 1 hour. If you're thinking about using public transport, expect a journey time of around 1 hour 25 minutes.

      • Take the uncertainty out of departure day — stay near Stansted Airport and know you'll make it to the terminal with time to spare. Settle in at one of these hotels the day before if you've booked an early London to Porto Airport flight:

      • Airports have an on-time performance rating that measures how often flights reach their destinations without delays. At STN, that figure is 64.73%.

      About Porto Airport (OPO)

      • Have a late flight from London to Porto Airport? Don't let it stretch your travel day into tomorrow. Stay at one of these hotels near OPO and hit the pillow fast:

      • Go wherever you want, whenever you want with a Porto Airport rental car. Pick up a set of wheels from Klass Wagen, Goldcar or Drive & Go and venture far and wide through Porto and beyond.

      • Lock in the best rate by booking your ride around three weeks before your London to Porto Airport flight.

      Getting from Porto Airport (OPO) to central Porto

      • Porto Airport is roughly 11 kilometres from central Porto. How long it'll take to get there in a cab or car hire will depend on the time of day. Do some research before you go.

      • When travelling on public transport, expect a journey time of around 50 minutes.

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

      • The cheapest price we've found for a one-way ticket from London to Porto Airport is ج.م.‏ 1,295. For a return flight on this route, the best price is ج.م.‏ 2,987. Depending on when and how early you book, these fares could change.

      • To score cheap flights from London to OPO, book your flight ticket eight months ahead of your departure date.

      • The best month for finding cheap London to Porto Airport tickets is January. Use the 'Whole month' tool to compare flight prices, then choose the dates that offer the biggest savings.

      • Never miss a deal on flight tickets from London to OPO by setting up a Price Alert. We'll send you an email or notification through the app when a lower fare becomes available.

      • Bag the best deal on a flight from London to Porto Airport with the help of the filters. Choose your ideal arrival and departure times, number of stops and airlines. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest.'

      The best time to fly from London to Porto Airport (OPO)

      • February is the quietest month for flights from London to Porto Airport (OPO), while August is the most popular. Work out the best time to go to Porto based on whether you prefer a lively atmosphere or a more laid-back vibe.

      • When booking your London to OPO flight ticket, consider what kind of weather works for you. August is the warmest month in Porto, with temperatures ranging from 14ºC to 32ºC.

      • January has temperatures of between 3ºC and 14ºC. Look for cheap tickets from London to Porto Airport around that time if you like cooler conditions.

      More about Porto

      • After booking your flight from London to Porto Airport, find a hotel that puts you in a great location. Make one of these accommodation options your base for exploring Porto:

      • Ribeira District and Rio Douro are a couple of top-rated attractions to put on your Porto travel itinerary. Continue your sightseeing adventures at Livraria Lello.

      Explore more of Portugal

      • Lisbon is just one of the many places in Portugal waiting to be explored after you've seen Porto. Around 290 kilometres away to the south, popular attractions include belém, Pasteis de Belém and Real Mosteiro de Santa Maria de Belém.

      • If you're eager to discover another major stop in Portugal, head for Amadora, roughly 274 kilometres south of Porto. Roman Villa, Park Fonte das Avencas and Park Fantasia are among the biggest draws.

      Prices shown on this page are estimated lowest prices only. Found in the last 45 days.