118 € Porto (OPO) to London Heathrow (LHR) Cheap Flights

Compare Porto to London Heathrow flight deals

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 to London Heathrow? Find the lowest prices on one-way and return tickets right here.

London.118 € per passenger.Departing Thu, 12 Mar, returning Sun, 15 Mar.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Porto on Thu, 12 Mar, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departs from London Heathrow on Sun, 15 Mar, arriving in Porto.Price includes taxes and charges.From 118 €, select.

London.118 € per passenger.Departing Tue, 13 Jan, returning Thu, 15 Jan.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Porto on Tue, 13 Jan, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departs from London Heathrow on Thu, 15 Jan, arriving in Porto.Price includes taxes and charges.From 118 €, select.

London.121 € per passenger.Departing Thu, 19 Feb, returning Mon, 23 Feb.Return flight with Volotea and Vueling Airlines.Outbound indirect flight with Volotea, departs from Porto on Thu, 19 Feb, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departs from London Heathrow on Mon, 23 Feb, arriving in Porto.Price includes taxes and charges.From 121 €, select.

London.129 € per passenger.Departing Thu, 26 Feb, returning Sat, 7 Mar.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Porto on Thu, 26 Feb, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departs from London Heathrow on Sat, 7 Mar, arriving in Porto.Price includes taxes and charges.From 129 €, select.

London.136 € per passenger.Departing Sun, 21 Dec, returning Wed, 7 Jan.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Porto on Sun, 21 Dec, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departs from London Heathrow on Wed, 7 Jan, arriving in Porto.Price includes taxes and charges.From 136 €, select.

London.144 € per passenger.Departing Wed, 28 Jan, returning Mon, 2 Feb.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Porto on Wed, 28 Jan, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departs from London Heathrow on Mon, 2 Feb, arriving in Porto.Price includes taxes and charges.From 144 €, select.

London.144 € per passenger.Departing Wed, 17 Dec, returning Mon, 16 Mar.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Porto on Wed, 17 Dec, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departs from London Heathrow on Mon, 16 Mar, arriving in Porto.Price includes taxes and charges.From 144 €, select.

London.147 € per passenger.Departing Fri, 16 Oct, returning Mon, 19 Oct.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Porto on Fri, 16 Oct, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departs from London Heathrow on Mon, 19 Oct, arriving in Porto.Price includes taxes and charges.From 147 €, 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	118 €
Cheapest month to fly	March

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 118 €. 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 118 €.

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

As of November 2025, 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 March.

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 Thursday, 12 March 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 are in the UTC+0 timezone. This means you won't have to adjust your watch after you land.
Arrive at the airport on time so you don't miss your OPO to LHR flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.
Flying during a peak month such as August? Public 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 before an international flight and two hours before domestic departures.
Consider adding a stopover when booking your ticket from Porto Airport to London Heathrow Airport. Just deselect 'Direct flights only' to break up your trip, or even explore someplace new along the way. Here's where you can stop between OPO and LHR:
- Charles de Gaulle Airport
- Adolfo Suarez Madrid-Barajas Airport
- Geneve Airport

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

The lowest price we've seen for a one-way Porto Airport to London Heathrow Airport flight is 37 €. A round-trip ticket is currently 118 €. Depending on the availability and when you book, these fares may change.
Don't wait until the last minute. You're more likely to find cheap tickets from OPO to LHR if you book ahead. Airlines often have some amazing early bird discounts.
Getting cheap flights from Porto Airport to London Heathrow Airport is easier if you're flexible with your travel dates. Use the 'Whole month' tool to see the lowest fares throughout the month and score a great deal.
Landing cheap flights from OPO to LHR is a cinch with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you as soon as a lower fare pops up.
Tailor your trip using filters. Choose your preferred departure and arrival times, total journey duration and airlines. You can also sort results by 'Best,' 'Cheapest' or 'Fastest' flights from Porto Airport to London Heathrow Airport.

Handy information about Porto Airport (OPO)

Of the departures from Porto Airport, 74.49% land on time at their destination.
Central Porto to Porto Airport is around 16 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're ride-sharing, catching a cab or driving.
You can expect a journey time of about 50 minutes on public transport.
Searching for a convenient hotel close to OPO? If you're catching an early flight from Porto Airport to London Heathrow Airport, these accommodation options will have you moments from your departure gate:

Arriving at London Heathrow Airport (LHR)

The last thing you need is a long trip to your hotel if you're landing late on a Porto Airport to London Heathrow Airport flight. Stay at one of these accommodation options near LHR instead:
Grab a London Heathrow Airport rental car and discover London and beyond with your own wheels. Surprice, U-Save and Green Motion are popular providers to choose from here.
Reserving your ride from London Heathrow Airport around one week ahead gives you the best chance of locking in a great deal.

Getting from London Heathrow Airport (LHR) to central London

From London Heathrow Airport, London is approximately 31 kilometres away. It takes around 55 minutes to reach the centre by car.
If you're travelling on public transport, expect a journey of around 1 hour.

When to fly to London Heathrow Airport (LHR)

It's time to work out your dates for your flight from Porto Airport to London Heathrow Airport. July is the busiest month to visit London. If you're after a more low-key vibe, go in February.
Before locking in your flight from Porto Airport to London Heathrow Airport, think about the type of weather you enjoy. July is the warmest month in London, with the temperature ranging from 11ºC (52ºF) to 26ºC (79ºF).
January sees average temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Look for cheap tickets from OPO to LHR sometime around then if you want to travel when it's cooler.

Explore more of United Kingdom

London has its own special appeal, but there are so many other corners of United Kingdom waiting to be discovered. About 161 kilometres north-west of London, a visit to Birmingham will fill your itinerary to the brim. Start with popular sights like Cadbury World, The Library of Birmingham and National Sea Life Centre.
Bristol is another favourite destination in United Kingdom and is around 177 kilometres west of London. No journey is complete without seeing Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.