128 € Cheap Flights from Porto to London Heathrow

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

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Flight deals from Porto to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Porto Airport to London Heathrow Airport? If you want to travel next month, return fares start from 160 €. Find the lowest prices on one-way and return tickets right here.

London.128 € per passenger.Departing Sat, 21 Nov, returning Sat, 5 Dec.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Porto on Sat, 21 Nov, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departs from London Heathrow on Sat, 5 Dec, arriving in Porto.Price includes taxes and charges.From 128 €, select.

London.130 € per passenger.Departing Sat, 23 Jan, returning Thu, 28 Jan.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Porto on Sat, 23 Jan, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departs from London Heathrow on Thu, 28 Jan, arriving in Porto.Price includes taxes and charges.From 130 €, select.

London.131 € per passenger.Departing Sat, 21 Nov, returning Thu, 26 Nov.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Porto on Sat, 21 Nov, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departs from London Heathrow on Thu, 26 Nov, arriving in Porto.Price includes taxes and charges.From 131 €, select.

London.131 € per passenger.Departing Tue, 1 Dec, returning Sat, 12 Dec.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Porto on Tue, 1 Dec, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departs from London Heathrow on Sat, 12 Dec, arriving in Porto.Price includes taxes and charges.From 131 €, select.

London.137 € per passenger.Departing Wed, 16 Sep, returning Tue, 22 Sep.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Porto on Wed, 16 Sep, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departs from London Heathrow on Tue, 22 Sep, arriving in Porto.Price includes taxes and charges.From 137 €, select.

London.137 € per passenger.Departing Tue, 20 Oct, returning Tue, 27 Oct.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Porto on Tue, 20 Oct, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departs from London Heathrow on Tue, 27 Oct, arriving in Porto.Price includes taxes and charges.From 137 €, select.

London.141 € per passenger.Departing Tue, 27 Oct, returning Wed, 4 Nov.Return flight with Ryanair and Vueling Airlines.Outbound indirect flight with Ryanair, departs from Porto on Tue, 27 Oct, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departs from London Heathrow on Wed, 4 Nov, arriving in Porto.Price includes taxes and charges.From 141 €, select.

London.145 € per passenger.Departing Sat, 30 Jan, returning Wed, 3 Feb.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Porto on Sat, 30 Jan, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departs from London Heathrow on Wed, 3 Feb, arriving in Porto.Price includes taxes and charges.From 145 €, select.

London.145 € per passenger.Departing Mon, 28 Sep, returning Sat, 3 Oct.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Porto on Mon, 28 Sep, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departs from London Heathrow on Sat, 3 Oct, arriving in Porto.Price includes taxes and charges.From 145 €, select.

London.146 € per passenger.Departing Tue, 15 Dec, returning Tue, 5 Jan.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Porto on Tue, 15 Dec, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departs from London Heathrow on Tue, 5 Jan, arriving in Porto.Price includes taxes and charges.From 146 €, select.

London.148 € per passenger.Departing Thu, 11 Feb, returning Tue, 23 Feb.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Porto on Thu, 11 Feb, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departs from London Heathrow on Tue, 23 Feb, arriving in Porto.Price includes taxes and charges.From 148 €, select.

London.149 € per passenger.Departing Tue, 23 Feb, returning Tue, 2 Mar.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Porto on Tue, 23 Feb, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departs from London Heathrow on Tue, 2 Mar, arriving in Porto.Price includes taxes and charges.From 149 €, select.

London.149 € per passenger.Departing Tue, 2 Mar, returning Sat, 6 Mar.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Porto on Tue, 2 Mar, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departs from London Heathrow on Sat, 6 Mar, arriving in Porto.Price includes taxes and charges.From 149 €, select.

London.156 € per passenger.Departing Wed, 18 Nov, returning Thu, 14 Jan.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Porto on Wed, 18 Nov, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departs from London Heathrow on Thu, 14 Jan, arriving in Porto.Price includes taxes and charges.From 156 €, select.

London.160 € per passenger.Departing Wed, 5 Aug, returning Mon, 31 Aug.Return flight with Ryanair and Vueling Airlines.Outbound indirect flight with Ryanair, departs from Porto on Wed, 5 Aug, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departs from London Heathrow on Mon, 31 Aug, arriving in Porto.Price includes taxes and charges.From 160 €, select.

London.162 € per passenger.Departing Tue, 4 Aug, returning Thu, 17 Sep.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Porto on Tue, 4 Aug, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departs from London Heathrow on Thu, 17 Sep, arriving in Porto.Price includes taxes and charges.From 162 €, 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 January.

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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	128 €
Cheapest month to fly	November

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

How much are return flights from Porto to London Heathrow?

The best price we found for a return flight from Porto to London Heathrow is 128 €. 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 128 €.

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

As of July 2026, there are no flights flying from Porto to London Heathrow.

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

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

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 Saturday, 21 November 2026.

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 from Porto Airport to London Heathrow with?

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

Travelling from Porto Airport (OPO) to London Heathrow Airport (LHR): what you need to know

Porto and London share the UTC+0 timezone. This means you won't have to change your watch on arrival.
For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to catch your OPO to LHR flight.
Travelling during a peak time like August? School holidays and other popular periods can result in longer lines and delays at check-in and security. Be extra cautious and get there up to four hours ahead of international flights and two hours before domestic departures.
We make it easy to book a flight with a stopover. To see all your options for tickets from Porto Airport to London Heathrow Airport, uncheck 'Direct flights only.' Then, choose a flight with a stop long enough to tour the city of your choice. Popular stopovers between OPO and LHR include:
- Paris Charles de Gaulle Airport
- Madrid Airport
- Paris Orly Airport

Handy information about Porto Airport (OPO)

75% of flights that depart Porto Airport make it to their destination on schedule.
To reach Porto Airport from central Porto, it'll take around 20 minutes by car. Of course, this depends on traffic conditions. It's approximately 11 kilometres from the airport to the city centre.
The trip on public transport takes about 30 minutes.
Get your holiday off to a hassle-free start by staying near OPO. Whether you're taking an early flight from Porto Airport to London Heathrow Airport or just don't want to be rushed, these hotels are perfect:

Arriving at London Heathrow Airport (LHR)

If you have a late Porto Airport to London Heathrow Airport flight, few things top the convenience of being near the terminal. Collect your bags from the carousel and then be showered and resting shortly after at one of these options near LHR:
Fast-track your adventure by picking up a London Heathrow Airport rental car. Grab a set of wheels from Surprice, U-Save or Green Motion to explore London and beyond.
To get the lowest price, reserve your ride from London Heathrow Airport around one week before travelling.

When to fly to London Heathrow Airport (LHR)

The quietest month for a flight from Porto Airport to London Heathrow Airport is March, while July is the most popular. Choose the ideal time to go to London based on whether you prefer a laid-back vibe or a more bustling atmosphere.
The warmest month in London is July, with the temperature ranging between 11ºC (52ºF) and 26ºC (79ºF). Book your flights from Porto Airport to London Heathrow Airport in this month if this is the type of weather you enjoy.
January sees average temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Look for cheap tickets from OPO to LHR sometime around then if you'd rather travel in cooler conditions.

Explore more of the United Kingdom

You've done London, now it's time to discover more of the United Kingdom. Journey about 257 kilometres north-west to Manchester to tick off its must-visit sights. From Manchester United Museum & Stadium Tour to The Homes of Football and Museum of Science and Industry, you've got a jam-packed schedule ahead.
Around 161 kilometres north-west of London, Birmingham is another essential stop in the United Kingdom. Experience the best of this destination with a visit to Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience.