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Cheap Flights from Porto to London Heathrow

Travellers and cabin class

Compare Porto to London Heathrow flight deals

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

Book the best London Heathrow fare with no extra fees

Flight deals from Porto to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Porto to London Heathrow? Find the lowest prices on one-way and return tickets right here.
London.SAR 237 per passenger.Departing Wed, 2 Jul.One-way flight with easyJet.Outbound indirect flight with easyJet, departs from Porto on Wed, 2 Jul, arriving in London Heathrow.Price includes taxes and charges.From SAR 237, select.
London.SAR 242 per passenger.Departing Fri, 3 Oct.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Porto on Fri, 3 Oct, arriving in London Heathrow.Price includes taxes and charges.From SAR 242, select.
London.SAR 248 per passenger.Departing Tue, 6 May.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Porto on Tue, 6 May, arriving in London Heathrow.Price includes taxes and charges.From SAR 248, select.
London.SAR 263 per passenger.Departing Thu, 5 Feb.One-way flight with easyJet.Outbound indirect flight with easyJet, departs from Porto on Thu, 5 Feb, arriving in London Heathrow.Price includes taxes and charges.From SAR 263, select.
London.SAR 266 per passenger.Departing Tue, 23 Dec.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Porto on Tue, 23 Dec, arriving in London Heathrow.Price includes taxes and charges.From SAR 266, select.
London.SAR 267 per passenger.Departing Mon, 22 Sep.One-way flight with easyJet.Outbound indirect flight with easyJet, departs from Porto on Mon, 22 Sep, arriving in London Heathrow.Price includes taxes and charges.From SAR 267, select.
London.SAR 267 per passenger.Departing Wed, 6 Aug.One-way flight with easyJet.Outbound indirect flight with easyJet, departs from Porto on Wed, 6 Aug, arriving in London Heathrow.Price includes taxes and charges.From SAR 267, select.
London.SAR 271 per passenger.Departing Tue, 17 Jun.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Porto on Tue, 17 Jun, arriving in London Heathrow.Price includes taxes and charges.From SAR 271, select.

Find the cheapest month to fly from Porto to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Porto to London Heathrow flights are currently cheapest in July.
Apr
from SAR 318
May
from SAR 248
Jun
from SAR 271
Jul
from SAR 237
Aug
from SAR 267
Sep
from SAR 267
Oct
from SAR 242
Nov
from SAR 285
Dec
from SAR 266
Jan
from SAR 285
Feb
from SAR 263
Mar
from SAR 323

Porto to London Heathrow: Alternative routes

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

Porto to London: Flight information

The things to know before you go.
Cheapest flight foundSAR 237
Cheapest month to flyJuly

Finding cheap flights from Porto to London Heathrow: Frequently asked questions

The best price we found for a return flight from Porto to London Heathrow is SAR 629. 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 Porto to London Heathrow. But we found flights with one or more stops from SAR 629.
As of April 2025, there are no flights flying from Porto to London Heathrow.
The cheapest month to fly from Porto to London Heathrow is usually April 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Airport to London Heathrow Airport on Wednesday, 5 November 2025.
No airlines currently offer direct flights between Porto Airport and London Heathrow 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 London Heathrow 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.

How to find cheap flights to London Heathrow from Porto

Looking for cheap tickets from Porto to London Heathrow? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Porto to London Heathrow. And with us there are no hidden fees - what you see is what you pay.
  • Compare flight deals to London Heathrow from Porto from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
  • Flex your dates to find the best Porto-London Heathrow ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to London Heathrow from Porto.
  • Set up a Price Alert. You can easily track the fare of your cheap Porto-London Heathrow flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Fly without stops. Only interested in direct flights between Porto and London Heathrow? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.
  • Find the cheapest Business class flights from Porto and London Heathrow. We scour the internet for the best Business, Premium Economy and First Class flight fares to London Heathrow, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for Porto to London Heathrow flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.

    • Combine your flight to London Heathrow from Porto with hotels and car hire

    Once you've secured your cheap flight ticket from Porto to London Heathrow, discover the best prices and exclusive rates for hotels in London Heathrow or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.


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Plan the rest of your trip from Porto to London

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