Cheap Flights from Porto to London Heathrow

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 round-trip flight from Porto to London Heathrow? Find the lowest prices on one-way and round-trip tickets right here.

London.฿1,879 per passenger.Departing Tue, May 6.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departing from Porto on Tue, May 6, arriving in London Heathrow.Price includes taxes and charges.From ฿1,879, select.

London.฿2,182 per passenger.Departing Wed, Jul 2.One-way flight with easyJet.Outbound indirect flight with easyJet, departing from Porto on Wed, Jul 2, arriving in London Heathrow.Price includes taxes and charges.From ฿2,182, select.

London.฿2,208 per passenger.Departing Fri, Oct 3.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departing from Porto on Fri, Oct 3, arriving in London Heathrow.Price includes taxes and charges.From ฿2,208, select.

London.฿2,443 per passenger.Departing Wed, Aug 6.One-way flight with easyJet.Outbound indirect flight with easyJet, departing from Porto on Wed, Aug 6, arriving in London Heathrow.Price includes taxes and charges.From ฿2,443, select.

London.฿2,462 per passenger.Departing Mon, Sep 22.One-way flight with easyJet.Outbound indirect flight with easyJet, departing from Porto on Mon, Sep 22, arriving in London Heathrow.Price includes taxes and charges.From ฿2,462, select.

London.฿2,477 per passenger.Departing Tue, Jun 17.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departing from Porto on Tue, Jun 17, arriving in London Heathrow.Price includes taxes and charges.From ฿2,477, select.

London.฿2,580 per passenger.Departing Tue, Jan 27.One-way flight with Iberia.Outbound indirect flight with Iberia, departing from Porto on Tue, Jan 27, arriving in London Heathrow.Price includes taxes and charges.From ฿2,580, select.

London.฿2,583 per passenger.Departing Tue, Dec 2.One-way flight with Iberia.Outbound indirect flight with Iberia, departing from Porto on Tue, Dec 2, arriving in London Heathrow.Price includes taxes and charges.From ฿2,583, 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 May.

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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 found	฿1,879
Cheapest month to fly	May

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

How much are round-trip flights from Porto to London Heathrow?

The best price we found for a round-trip flight from Porto to London Heathrow is ฿5,695. 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.

Which airlines fly direct from Porto to London Heathrow?

Currently, there are no airlines that fly direct from Porto to London Heathrow. But we found flights with one or more stops from ฿5,695.

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

There are no flights flying from Porto to London Heathrow, as of April 2025.

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

The cheapest month to fly from Porto to London Heathrow is usually April 2025.

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

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, November 5, 2025.

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

No airlines currently offer direct flights between Porto Airport and London Heathrow Airport. Most routes have one or more stops.

How can I find the best flight deal to London Heathrow?

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.

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.

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

Currently, Vueling Airlines offers the cheapest flight tickets to London Heathrow.

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 Delta Air Lines 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 plane tickets or fastest journeys.
Flex your dates to find the best Porto–London Heathrow ticket prices. If you're 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 stumble on 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 the next time you travel.

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

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 rental companies at once so you get the best car rental price for your trip.