£45 Cheap Flights from Porto (OPO) to London (LOND)

Q: How many airports are there in London?

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.

Q: How much are return flights from Porto to London?

The best price we found for a return flight from Porto to London is £45. 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.

Q: How long does it take to fly from Porto to London?

2 hours and 22 minutes is the average flight time from Porto to London.

Q: Which airlines fly direct from Porto to London?

Ryanair, easyJet and TAP Air Portugal fly direct from Porto to London.

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

As of April 2025, there are 104 flights per week flying from Porto to London.

Q: When is the cheapest time to fly from Porto to London?

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

Q: Which is the cheapest airport to fly into in London?

If you're flying from Porto Airport, the cheapest airport near London is London Stansted – which is 30.2 miles away from the centre of London. We've found flights into this airport from £45 .

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

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Airport to London on Wednesday, 14 May 2025 .

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

Yes – the average flight time is 2 hours and 22 minutes.

Q: How can I get the best flight deal from Porto Airport to London?

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 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.

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Flight deals Cheapest month Find the best route Route info FAQs Tips and advice

Flight deals from Porto to London

Looking for a cheap last-minute deal or the best return flight from Porto to London? Find the lowest prices on one-way and return tickets right here.

London.£45 per passenger.Departing Wed, 14 May, returning Thu, 29 May.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Porto on Wed, 14 May, arriving in London Stansted.Inbound direct flight with Ryanair departs from London Stansted on Thu, 29 May, arriving in Porto.Price includes taxes and charges.From £45, select.

London.£49 per passenger.Departing Wed, 14 May, returning Tue, 3 Jun.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Porto on Wed, 14 May, arriving in London Stansted.Inbound direct flight with Ryanair departs from London Stansted on Tue, 3 Jun, arriving in Porto.Price includes taxes and charges.From £49, select.

London.£61 per passenger.Departing Tue, 27 Jan, returning Sat, 31 Jan.Return flight with easyJet.Outbound direct flight with easyJet departs from Porto on Tue, 27 Jan, arriving in London Luton.Inbound direct flight with easyJet departs from London Luton on Sat, 31 Jan, arriving in Porto.Price includes taxes and charges.From £61, select.

London.£64 per passenger.Departing Fri, 2 May, returning Tue, 8 Jul.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Porto on Fri, 2 May, arriving in London Stansted.Inbound direct flight with Ryanair departs from London Stansted on Tue, 8 Jul, arriving in Porto.Price includes taxes and charges.From £64, select.

London.£65 per passenger.Departing Thu, 12 Jun, returning Wed, 2 Jul.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Porto on Thu, 12 Jun, arriving in London Stansted.Inbound direct flight with Ryanair departs from London Stansted on Wed, 2 Jul, arriving in Porto.Price includes taxes and charges.From £65, select.

London.£65 per passenger.Departing Thu, 9 Oct, returning Tue, 14 Oct.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Porto on Thu, 9 Oct, arriving in London Stansted.Inbound direct flight with Ryanair departs from London Stansted on Tue, 14 Oct, arriving in Porto.Price includes taxes and charges.From £65, select.

London.£66 per passenger.Departing Sun, 21 Dec, returning Fri, 2 Jan.Return flight with easyJet.Outbound direct flight with easyJet departs from Porto on Sun, 21 Dec, arriving in London Gatwick.Inbound direct flight with easyJet departs from London Gatwick on Fri, 2 Jan, arriving in Porto.Price includes taxes and charges.From £66, select.

London.£67 per passenger.Departing Thu, 12 Jun, returning Mon, 16 Jun.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Porto on Thu, 12 Jun, arriving in London Stansted.Inbound direct flight with Ryanair departs from London Stansted on Mon, 16 Jun, arriving in Porto.Price includes taxes and charges.From £67, select.

Find the cheapest month to fly from Porto to London

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

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Direct flights from Porto to London

Alternative Porto to London routes

Looking for the cheapest, fastest or easiest route from Porto to London? You could fly into the following airports instead.

Porto to London: Flight information

The things to know before you go.

Cheapest flight found	£45
Cheapest month to fly	May
Average flight time	2 hrs, 23 mins
Most popular airline	Ryanair
Average flights per week	99

Finding cheap flights from Porto to London: Frequently asked questions

How many airports are there in London?

How much are return flights from Porto to London?

How long does it take to fly from Porto to London?

Which airlines fly direct from Porto to London?

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

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

Which is the cheapest airport to fly into in London?

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

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

How can I get the best flight deal from Porto Airport to London?

When is the best time to book flights to London?

What’s the weather like in London?

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

Flight Information

Flying from Porto to London is easy with direct flights from Porto Airport (OPO) to London Luton Airport (LTN), Gatwick Airport (LGW), and London Stansted Airport (STN). Flights to London's Heathrow Airport (LHR) and London City Airport (LCY) are available with one stop along the way. Flights to Heathrow are likely to layover at Madrid Barajas International Airport (MAD) or Lisbon Airport (LIS). Most flights to London City Airport layover at Geneva Airport (GVA) in Switzerland.

Travellers looking for cheap flights from Porto to London Southend Airport (SEN) will have to stop at least twice along the way. Popular airlines which fly the route from Porto to London include Ryanair, easyJet, TAP Portugal, and British Airways. Porto Airport, also known as Francisco Sa Carneiro Airport, can be reached via Line E of the Porto Metro or via STCP buses. The airport has only one terminal from which all flights from Porto to London depart. You'll need to have your passport current and ready when checking in. There are a number of duty-free stores and regular shops in the terminal where you can purchase Portuguese handicrafts, books, food, clothing, electronics, alcohol, or tobacco.

Travellers arriving at Luton Airport will find coach and bus pick up points just outside the arrivals terminal. You can exchange currency on your way out the door at the Bureau de Change. Cafes and eateries available on arrival include Pizza e Pronta, Starbucks, and The Great British Sausage Company.

At Stansted Airport, the rail station is located below the main terminal. Trains provide service to eastern England, the Midlands, and London. Bus and coach service is available from the Station at Stansted Airport, which is just opposite the entrance to the main terminal. Those who arrive at London Gatwick can take the Gatwick Express train into Central London. From 5:00 A.M. to 12:30 A.M., trains run every 15 minutes from the South Terminal to Victoria Station.

Heathrow is London's largest and busiest airport, and it boasts the widest range of restaurants and ground transport options.

What to Expect in London

London's cost of living is one of the highest in the world and is significantly higher than that of Porto. If you're going from Porto to London, expect to pay more than double for meals in restaurants. If you're looking for cheap flights from Porto to London, you'll have a lot to do when you land. Double-decker bus tours will show you popular attractions like the London Eye, Buckingham Palace, and the Tower of London.

London Time and Weather

London's famous Big Ben tower clock keeps time based on the British Time Zone. London observes Daylight Savings Time, as does Porto, and Porto's Western European Time Zone aligns with British time. Thus, travellers on flights from Porto to London don't have to worry about adjusting their watches when they land. The climate in London is similar to that of Porto, but it is generally a bit cooler. London is coolest in January when temperatures reach down to zero °C. It's hottest in London in July, with highs of around 22 °C.