115 € Cheap Flights from London Heathrow to Porto

Compare London Heathrow to Porto flight deals

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Flight deals from London Heathrow to Porto

Looking for a cheap last-minute deal or the best return flight from London Heathrow Airport to Porto Airport? If you want to travel next month, return fares start from 203 €. Find the lowest prices on one-way and return tickets right here.

Porto.115 € per passenger.Departing Thu, 3 Dec, returning Thu, 17 Dec.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Thu, 3 Dec, arriving in Porto.Inbound indirect flight with Vueling Airlines, departs from Porto on Thu, 17 Dec, arriving in London Heathrow.Price includes taxes and charges.From 115 €, select.

Porto.116 € per passenger.Departing Fri, 16 Oct, returning Tue, 15 Dec.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Fri, 16 Oct, arriving in Porto.Inbound indirect flight with Vueling Airlines, departs from Porto on Tue, 15 Dec, arriving in London Heathrow.Price includes taxes and charges.From 116 €, select.

Porto.116 € per passenger.Departing Sat, 28 Nov, returning Sat, 12 Dec.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Sat, 28 Nov, arriving in Porto.Inbound indirect flight with Vueling Airlines, departs from Porto on Sat, 12 Dec, arriving in London Heathrow.Price includes taxes and charges.From 116 €, select.

Porto.123 € per passenger.Departing Thu, 14 Jan, returning Sat, 16 Jan.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Thu, 14 Jan, arriving in Porto.Inbound indirect flight with Vueling Airlines, departs from Porto on Sat, 16 Jan, arriving in London Heathrow.Price includes taxes and charges.From 123 €, select.

Porto.124 € per passenger.Departing Tue, 17 Nov, returning Sat, 21 Nov.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Tue, 17 Nov, arriving in Porto.Inbound indirect flight with Vueling Airlines, departs from Porto on Sat, 21 Nov, arriving in London Heathrow.Price includes taxes and charges.From 124 €, select.

Porto.134 € per passenger.Departing Mon, 26 Oct, returning Tue, 27 Oct.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Mon, 26 Oct, arriving in Porto.Inbound indirect flight with Vueling Airlines, departs from Porto on Tue, 27 Oct, arriving in London Heathrow.Price includes taxes and charges.From 134 €, select.

Porto.136 € per passenger.Departing Wed, 16 Sep, returning Tue, 29 Sep.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Wed, 16 Sep, arriving in Porto.Inbound indirect flight with Vueling Airlines, departs from Porto on Tue, 29 Sep, arriving in London Heathrow.Price includes taxes and charges.From 136 €, select.

Porto.138 € per passenger.Departing Wed, 26 May, returning Mon, 31 May.Return flight with Iberia.Outbound indirect flight with Iberia, departs from London Heathrow on Wed, 26 May, arriving in Porto.Inbound indirect flight with Iberia, departs from Porto on Mon, 31 May, arriving in London Heathrow.Price includes taxes and charges.From 138 €, select.

Porto.141 € per passenger.Departing Sat, 31 Oct, returning Fri, 20 Nov.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Sat, 31 Oct, arriving in Porto.Inbound indirect flight with Vueling Airlines, departs from Porto on Fri, 20 Nov, arriving in London Heathrow.Price includes taxes and charges.From 141 €, select.

Porto.143 € per passenger.Departing Tue, 18 Aug, returning Wed, 9 Sep.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Tue, 18 Aug, arriving in Porto.Inbound indirect flight with Vueling Airlines, departs from Porto on Wed, 9 Sep, arriving in London Heathrow.Price includes taxes and charges.From 143 €, select.

Porto.145 € per passenger.Departing Sun, 6 Sep, returning Thu, 17 Dec.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Sun, 6 Sep, arriving in Porto.Inbound indirect flight with Vueling Airlines, departs from Porto on Thu, 17 Dec, arriving in London Heathrow.Price includes taxes and charges.From 145 €, select.

Porto.147 € per passenger.Departing Tue, 29 Sep, returning Thu, 1 Oct.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Tue, 29 Sep, arriving in Porto.Inbound indirect flight with Vueling Airlines, departs from Porto on Thu, 1 Oct, arriving in London Heathrow.Price includes taxes and charges.From 147 €, select.

Porto.148 € per passenger.Departing Tue, 26 Jan, returning Tue, 2 Feb.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Tue, 26 Jan, arriving in Porto.Inbound indirect flight with Vueling Airlines, departs from Porto on Tue, 2 Feb, arriving in London Heathrow.Price includes taxes and charges.From 148 €, select.

Porto.148 € per passenger.Departing Tue, 23 Feb, returning Thu, 25 Feb.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Tue, 23 Feb, arriving in Porto.Inbound indirect flight with Vueling Airlines, departs from Porto on Thu, 25 Feb, arriving in London Heathrow.Price includes taxes and charges.From 148 €, select.

Porto.148 € per passenger.Departing Sat, 6 Mar, returning Wed, 10 Mar.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Sat, 6 Mar, arriving in Porto.Inbound indirect flight with Vueling Airlines, departs from Porto on Wed, 10 Mar, arriving in London Heathrow.Price includes taxes and charges.From 148 €, select.

Porto.152 € per passenger.Departing Sat, 27 Feb, returning Tue, 2 Mar.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Sat, 27 Feb, arriving in Porto.Inbound indirect flight with Vueling Airlines, departs from Porto on Tue, 2 Mar, arriving in London Heathrow.Price includes taxes and charges.From 152 €, select.

Find the cheapest month to fly from London Heathrow to Porto

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Heathrow to Porto flights are currently cheapest in December.

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London Heathrow to Porto: Alternative routes

Compare routes from London Heathrow 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	115 €
Cheapest month to fly	December

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

How much are return flights from London Heathrow to Porto?

The best price we found for a return flight from London Heathrow to Porto is 115 €. 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 London Heathrow to Porto?

Currently, there are no airlines that fly direct from London Heathrow to Porto. But we found flights with one or more stops from 115 €.

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

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

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

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

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

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Porto Airport on Thursday, 3 December 2026.

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

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

How can I find the best flight deal to Porto?

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.

When is the best time to book flights to Porto?

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.

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

Currently, Vueling Airlines offers the cheapest flight tickets to Porto.

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

Porto's timezone is UTC+0, which is the same as London.
Arrive at the airport on time so you don't miss your LHR to OPO flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.
Travelling during a peak month such as July? Public holidays and other high seasons can mean longer lines and delays at security. Be extra cautious and get there up to four hours ahead of international flights and two hours before a domestic departure.
We make it a piece of cake to book a flight with a stopover. To see your options for tickets from London Heathrow Airport to Porto Airport, deselect 'Direct flights only.' Then, pick a flight that has a stop long enough to visit your chosen city. Popular stopovers between LHR and OPO include:
- Paris Charles de Gaulle Airport
- Madrid Airport
- Paris Orly Airport

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

The cheapest price we've found for a one-way London Heathrow Airport to Porto Airport flight is 61 €. A return ticket is currently 115 €. Depending on the availability and when you book, these fares could change.
It's often best to book early if you're looking for cheap tickets from LHR to OPO. That's because airlines adjust prices based on demand, which tends to increase closer to departure.
The 'Whole month' tool shows you the cheapest flights from London Heathrow Airport to Porto Airport across the entire month. It's a great way to snap up a bargain if your dates are flexible.
Stay on top of deals for cheap flights from LHR to OPO by creating a Price Alert. We'll send you an email or notification on the app when a new low fare is offered.
Find the right flight for you with the help of the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from London Heathrow Airport to Porto Airport, use the 'Sort by' function. You can also filter by airline, departure and arrival times, and number of stops.

Handy information about London Heathrow Airport (LHR)

When it comes to the on-time performance of London Heathrow Airport, data shows 78% of flights complete their journey on time.
To reach London Heathrow Airport from central London, it takes around 45 minutes by car. This depends on traffic though. It's approximately 24 kilometres from the airport to the city centre.
Expect a trip time of around 25 minutes on public transport.
Have an early flight from London Heathrow Airport to Porto Airport? Avoid the stress of rushing to the airport (and enjoy a little extra shut-eye) by picking one of these hotels near LHR:

Arriving at Porto Airport (OPO)

Book a hotel close to OPO if you're taking a late London Heathrow Airport to Porto Airport flight. Pick one of these options and make your arrival easier:
Fast-track your adventure by picking up a Porto Airport rental car. Grab a set of wheels from Klass Wagen, Goldcar or Drive & Go and explore beyond Porto's usual tourist stops.
For the best deal, reserve your vehicle from Porto Airport around three weeks ahead.

When to fly to Porto Airport (OPO)

August is the most popular month for flights from London Heathrow Airport to Porto Airport. To avoid the crowds, travel to Porto in March.
Book your flight from London Heathrow Airport to Porto Airport for August if you'd like to go to Porto during its warmest month. You can expect temperatures of between 14ºC (57ºF) and 32ºC (90ºF).
If you like cooler conditions, look for a cheap ticket from LHR to OPO in January. Temperatures average between 3ºC (37ºF) and 14ºC (57ºF) then.

Explore more of Portugal

You've seen Porto, now it's time to explore other corners of Portugal. Journey about 274 kilometres south to Lisbon to tick off its top attractions. From Pasteis de Belém to belém and Real Mosteiro de Santa Maria de Belém, there's plenty to keep you busy.
If you're looking to explore another major destination in Portugal, head for Amadora, about 274 kilometres south of Porto. Roman Villa, Park Fantasia and Palácio dos Condes da Lousã are among the biggest draws.