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£55 Cheap Flights from Porto (OPO) to London (LHR)

View £55 flight on Sat, 19 Dec 2026Opens in a new window

Popular airlines from Porto Airport (OPO) to Heathrow Airport (LHR)

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Cheap Flights from Porto (OPO) to London (LHR)

Prices were available within the past 7 days and start at £55 for one-way flights and £122 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Sun, 20 Dec - Tue, 5 Jan
OPO
Porto
LHR
London
£122 Return, found 2 days ago
£122
Return
found 2 days ago
Select Iberia flight, departing Sun, 20 Dec from Porto to London, returning Tue, 5 Jan, priced at £122 found 2 days ago
Iberia
Fri, 22 Jan - Fri, 29 Jan
OPO
Porto
LHR
London
£123 Return, found 1 day ago
£123
Return
found 1 day ago
Select Iberia flight, departing Fri, 22 Jan from Porto to London, returning Fri, 29 Jan, priced at £123 found 1 day ago
Iberia
Tue, 23 Feb - Sat, 27 Feb
OPO
Porto
LHR
London
£126 Return, found 2 days ago
£126
Return
found 2 days ago
Select Iberia flight, departing Tue, 23 Feb from Porto to London, returning Sat, 27 Feb, priced at £126 found 2 days ago
Iberia
Fri, 13 Nov - Mon, 16 Nov
OPO
Porto
LHR
London
£129 Return, found 2 days ago
£129
Return
found 2 days ago
Select Iberia flight, departing Fri, 13 Nov from Porto to London, returning Mon, 16 Nov, priced at £129 found 2 days ago
Iberia
Fri, 13 Nov - Mon, 16 Nov
OPO
Porto
LHR
London
£130 Return, found 2 days ago
£130
Return
found 2 days ago
Select Iberia flight, departing Fri, 13 Nov from Porto to London, returning Mon, 16 Nov, priced at £130 found 2 days ago
Iberia
Fri, 19 Feb - Tue, 23 Feb
OPO
Porto
LHR
London
£131 Return, found 1 day ago
£131
Return
found 1 day ago
Select Iberia flight, departing Fri, 19 Feb from Porto to London, returning Tue, 23 Feb, priced at £131 found 1 day ago
Vueling Airlines
Mon, 14 Dec - Thu, 31 Dec
OPO
Porto
LHR
London
£135 Return, found 2 days ago
£135
Return
found 2 days ago
Select Vueling Airlines flight, departing Mon, 14 Dec from Porto to London, returning Thu, 31 Dec, priced at £135 found 2 days ago
KLM
Mon, 14 Dec - Thu, 31 Dec
OPO
Porto
LHR
London
£136 Return, found 2 days ago
£136
Return
found 2 days ago
Select KLM flight, departing Mon, 14 Dec from Porto to London, returning Thu, 31 Dec, priced at £136 found 2 days ago
Lufthansa
Thu, 8 Oct - Mon, 12 Oct
OPO
Porto
LHR
London
£144 Return, found 1 day ago
£144
Return
found 1 day ago
Select Lufthansa flight, departing Thu, 8 Oct from Porto to London, returning Mon, 12 Oct, priced at £144 found 1 day ago
British Airways
Sun, 20 Dec - Tue, 5 Jan
OPO
Porto
LHR
London
£145 Return, found 2 days ago
£145
Return
found 2 days ago
Select British Airways flight, departing Sun, 20 Dec from Porto to London, returning Tue, 5 Jan, priced at £145 found 2 days ago

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gatwick LGW. Cheapest option available. Average driving time to city centre is 52 minutes. Flights from £210
LGW
Gatwick
Cheapest
Average driving time to city centre52 min
Flights from £210
Select flight to London City LCY. Closest option available. Average driving time to city centre is 21 minutes. Flights from £297
LCY
London City
Closest
Average driving time to city centre21 min
Flights from £297

Find the cheapest month to fly from Porto (OPO) to London (LHR)

February is typically the cheapest month to fly

From £119 - £197 per traveller.

Frequently asked questions

How much does a flight from Porto (OPO) to London (LHR) cost?
You can find one-way and return flights from Porto (OPO) to London (LHR) with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when OPO to LHR ticket fares go up or down.
What is the cheapest month to fly from Porto (OPO-Dr. Francisco de Sa Carneiro) to London (LHR-Heathrow)?
The cheapest months to fly from OPO to LHR are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Porto (OPO-Dr. Francisco de Sa Carneiro) to London (LHR-Heathrow)?
Enter OPO to LHR and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Porto (OPO-Dr. Francisco de Sa Carneiro) to London (LHR-Heathrow)?
To find a cheap flight from Porto (OPO-Dr. Francisco de Sa Carneiro) to London (LHR-Heathrow), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Porto (OPO-Dr. Francisco de Sa Carneiro) to London (LHR-Heathrow)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Porto (OPO-Dr. Francisco de Sa Carneiro) to London (LHR-Heathrow)?
There are approximately 39 connecting flights per day from Porto (OPO-Dr. Francisco de Sa Carneiro) to London (LHR-Heathrow). Some common connection points include Adolfo Suarez Madrid-Barajas (MAD), Humberto Delgado (LIS), and Frankfurt Intl. (FRA).
What is the earliest flight from Porto (OPO) to London (LHR)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from Porto (OPO) to London (LHR). To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Porto (OPO-Dr. Francisco de Sa Carneiro) to London (LHR-Heathrow)?
You'll generally find the most flights from Porto (OPO-Dr. Francisco de Sa Carneiro) to London (LHR-Heathrow) on a Sunday, with around 38 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include TAP Portugal, Iberia, and Lufthansa. Sunday offers notably more flight options compared to other days of the week, so if flexibility is key, you might consider flying then.
What are the most popular departure times for flights from Porto (OPO-Dr. Francisco de Sa Carneiro) to London (LHR-Heathrow)?
The most popular departure times for flights from Porto (OPO-Dr. Francisco de Sa Carneiro) to London (LHR-Heathrow) are in the morning, from 6am to 9am. Many major carriers, including Iberia, Lufthansa and TAP Portugal, offer flights during this window. Many travellers prefer these early morning flights as they allow you to arrive in London with plenty of time to start your day.
How long does it take to fly from Porto (OPO-Dr. Francisco de Sa Carneiro) to London (LHR-Heathrow)?
A flight from OPO to LHR with a layover takes around 6 hours 30 minutes, with the route covering approximately 1,299 kilometers. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Porto (OPO-Dr. Francisco de Sa Carneiro) to London (LHR-Heathrow)?
You can fly business class between OPO and LHR. Airlines that offer business class service on this route include:
  • Lufthansa
  • Iberia
  • Air France
  • TAP Portugal
  • Swiss International Air Lines
  • Air Baltic
  • KLM
  • LOT-Polish Airlines
  • Brussels Airlines
  • Aegean
  • SAS
  • Portugalia
  • Austrian Airlines
  • Helvetic Airways
How do I earn miles on a Porto (OPO) to London (LHR) flight with Expedia?
It's easy to earn miles on a Porto (OPO) to London (LHR) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Porto (OPO) to London (LHR) at the last minute?
Typically, booking a last minute flight from Porto (OPO) to London (LHR) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Porto (OPO) to London (LHR) flight and hotel package?
Securing a Porto (OPO) to London (LHR) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Porto (OPO-Dr. Francisco de Sa Carneiro) to London (LHR-Heathrow)?
If you booked your Porto (OPO-Dr. Francisco de Sa Carneiro) to London (LHR-Heathrow) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Dr. Francisco de Sa Carneiro
Destination airport
Heathrow
Airlines serving
Air France, Austrian Airlines, Brussels Airlines, Iberia, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Vueling Airlines
Return price
£122
Distance
1291 km

Book with confidence

Compare flights from Porto to London easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Porto to London. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Heathrow in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Dr. Francisco de Sa Carneiro to Heathrow.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Dr. Francisco de Sa Carneiro (OPO) to Heathrow (LHR)

The easiest way to view the best deals on flights from Porto to London today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Dr. Francisco de Sa Carneiro to Heathrow start at just £122 and range up to £145.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Porto and London
  • booking your flight during December, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Porto to London flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Dr. Francisco de Sa Carneiro to Heathrow for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Porto to London easily and book with confidence

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