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Cheap Flights from London (YXU) to Porto (OPO)

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

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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.
Porto.£695 per passenger.Departing Fri, 22 Aug, returning Sun, 31 Aug.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from London on Fri, 22 Aug, arriving in Porto.Inbound indirect flight with Air Canada, departs from Porto on Sun, 31 Aug, arriving in London.Price includes taxes and charges.From £695, select.
Fri, 22 AugYXU - OPO with Air Canada
1 stop
Sun, 31 AugOPO - YXU with Air Canada
1 stop
from £695
How did we find these deals? The deals you see here are the lowest prices for flight tickets from London to Porto found in the last 4 days, and are subject to change and availability.

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 August.
May
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Aug
from £695
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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 found£695
Cheapest month to flyAugust

Finding cheap flights from London to Porto: Frequently asked questions

The best price we found for a return flight from London to Porto is £695. 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.
Currently, there are no airlines that fly direct from London to Porto. But we found flights with one or more stops from £695.
As of May 2025, there are no flights flying from London to Porto.
The cheapest month to fly from London to Porto is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Airport to Porto Airport on Friday, 22 August 2025.
No airlines currently offer direct flights between London Airport and Porto Airport. Most routes have one or more stops.
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.
Currently, Air Canada offers the cheapest flight tickets to Porto.

Travelling from London International Airport (YXU) to Porto Airport (OPO): what you need to know

  • Porto is four hours ahead of London and observes the UTC+0 timezone.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to catch your YXU to OPO flight.

  • Flying during a peak time like August? School holidays and other high seasons can mean longer lines at check-in and security. Play things extra safe and get there up to four hours before an international flight and two hours before domestic departures.

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

  • £526 is the lowest price for a one-way London International Airport to Porto Airport flight. Return flights start at £695. These prices may change based on availability and demand.

  • To get your hands on cheap tickets from YXU to OPO, book early. Airlines usually offer lower fares when flights are first released.

  • Finding cheap flights from London International Airport to Porto Airport is easy if you can be flexible with your travel plans. Use the 'Whole month' function to see the best prices across each month and bag a great deal.

  • You don't need to check every day to see if fares have gone down when you create a Price Alert. We'll notify you the moment the price changes on cheap flights from YXU to OPO.

  • Select your preferred departure and arrival times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from London International Airport to Porto Airport.

Handy information about London International Airport (YXU)

  • When it comes to the on-time performance of London International Airport, 50.41% of flights arrive within the scheduled timeframe.

  • Central London to London International Airport is around 7 miles. Depending on traffic, it'll take you about 20 minutes to get there if you're ride-sharing, catching a cab or driving.

  • The trip on public transport takes about 55 minutes.

  • Get your trip off to a leisurely start by staying near YXU. Whether you're taking an early flight from London International Airport to Porto Airport or just don't want to be rushed, these stays are perfect:

    • Knights Inn London Ontario

    • Best Western London Airport Inn & Suites

    • Motor Court Motel

Arriving at Porto Airport (OPO)

  • If you're landing on a late London International Airport to Porto Airport flight, nothing beats the convenience of being close to the terminal. Grab your suitcases from the carousel and then be showered and snoozing not long after at one of these hotels near OPO:

    • Oporto Airport & Business Hotel

    • Opohotel Porto Aeroporto

    • Park Hotel Porto Aeroporto

  • Explore without limits with a Porto Airport rental car. Book your wheels from Klass Wagen, Goldcar or Drive & Go and see more of Porto and beyond.

  • Reserving your vehicle from Porto Airport about three weeks in advance can help you get the lowest rate.

Getting from Porto Airport (OPO) to central Porto

  • Porto Airport is roughly 10 miles from the centre of Porto. The drive time takes around 20 minutes.

  • Getting to the centre on public transport typically takes 50 minutes.

When to fly to Porto Airport (OPO)

  • August is the most popular month for flights from London International Airport to Porto Airport. To escape the crowds, visit Porto in January.

  • The warmest month in Porto is August, with temperatures ranging between 14ºC (57ºF) and 32ºC (90ºF). Lock in your flights from London International Airport to Porto Airport in this month if this is the type of weather you like.

  • If you want to travel in cooler conditions, look for a cheap ticket from YXU to OPO in January. Temperatures average between 3ºC (37ºF) and 14ºC (57ºF) then.

Explore more of Portugal

  • You've visited Porto, now it's time to discover other corners of Portugal. Journey around 170 miles south to Lisbon to check off its leading sights. From Torre de Belem Garden to Estrela At Lisbon - Tram 28 and Archaeological museum of Sao Jorge Castle, you'll have a full itinerary ahead.

  • Around 170 miles south of Porto, Amadora is another favourite stop in Portugal. Experience the best of this destination with a visit to Jardim Porta do Viveiro Alfragide, Jardim Caracol do Victor Alfragide and Jardim e estatua Eduardo Jorge.

Plan the rest of your trip from London to Porto

  • Car hire from Porto
  • Hotels in Porto

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

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