S$144 Cheap Flights from London to Porto

View S$144 flight on Tue, 23 Sep, 2025Opens in a new window

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

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Cheap Flights from London to Porto (LHR-OPO)

Prices were available within the past 7 days and start at S$144 for one-way flights and S$367 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Wed, 8 Oct - Fri, 17 Oct
LHR
London
OPO
Porto
S$367 Return, found 2 days ago
S$367
Return
found 2 days ago
Select Iberia flight, departing Wed, 8 Oct from London to Porto, returning Fri, 17 Oct, priced at S$367 found 2 days ago
Iberia
Wed, 10 Sep - Mon, 15 Sep
LHR
London
OPO
Porto
S$373 Return, found 5 days ago
S$373
Return
found 5 days ago
Select Iberia flight, departing Wed, 10 Sep from London to Porto, returning Mon, 15 Sep, priced at S$373 found 5 days ago
KLM
Fri, 20 Mar - Wed, 1 Apr
LHR
London
OPO
Porto
S$382 Return, found 12 hours ago
S$382
Return
found 12 hours ago
Select KLM flight, departing Fri, 20 Mar from London to Porto, returning Wed, 1 Apr, priced at S$382 found 12 hours ago
Iberia
Wed, 8 Oct - Fri, 17 Oct
LHR
London
OPO
Porto
S$393 Return, found 2 days ago
S$393
Return
found 2 days ago
Select Iberia flight, departing Wed, 8 Oct from London to Porto, returning Fri, 17 Oct, priced at S$393 found 2 days ago
Iberia
Wed, 8 Apr - Wed, 15 Apr
LHR
London
OPO
Porto
S$397 Return, found 4 days ago
S$397
Return
found 4 days ago
Select Iberia flight, departing Wed, 8 Apr from London to Porto, returning Wed, 15 Apr, priced at S$397 found 4 days ago
KLM
Wed, 8 Oct - Fri, 17 Oct
LHR
London
OPO
Porto
S$408 Return, found 2 days ago
S$408
Return
found 2 days ago
Select KLM flight, departing Wed, 8 Oct from London to Porto, returning Fri, 17 Oct, priced at S$408 found 2 days ago
Iberia
Wed, 24 Dec - Sat, 27 Dec
LHR
London
OPO
Porto
S$409 Return, found 5 days ago
S$409
Return
found 5 days ago
Select Iberia flight, departing Wed, 24 Dec from London to Porto, returning Sat, 27 Dec, priced at S$409 found 5 days ago
Air France
Fri, 20 Mar - Wed, 1 Apr
LHR
London
OPO
Porto
S$418 Return, found 12 hours ago
S$418
Return
found 12 hours ago
Select Air France flight, departing Fri, 20 Mar from London to Porto, returning Wed, 1 Apr, priced at S$418 found 12 hours ago
British Airways
Sat, 20 Sep - Fri, 26 Sep
LHR
London
OPO
Porto
S$431 Return, found 4 days ago
S$431
Return
found 4 days ago
Select British Airways flight, departing Sat, 20 Sep from London to Porto, returning Fri, 26 Sep, priced at S$431 found 4 days ago
Swiss International Air Lines
Fri, 20 Mar - Wed, 1 Apr
LHR
London
OPO
Porto
S$447 Return, found 12 hours ago
S$447
Return
found 12 hours ago
Select Swiss International Air Lines flight, departing Fri, 20 Mar from London to Porto, returning Wed, 1 Apr, priced at S$447 found 12 hours ago

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

January is typically the cheapest month to fly

From S$218 - S$317 per traveller.

Graph displaying average flight prices per month

London to Porto route information
Origin airport
Heathrow
Destination airport
Dr. Francisco de Sa Carneiro
Airlines serving
Air France, Austrian Airlines, British Airways, Eurowings, Iberia, KLM, Lufthansa, Swiss International Air Lines
Return price
S$366
Distance
1291 km

Perfect flights from London to Porto

Your Journey from London to Porto

Start your unforgettable journey with Expedia. Our broad selection of flights from London to Porto caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Vueling Airlines, Iberia, KLM, British Airways, Air France, Swiss International Air Lines. Our selection of flights from Heathrow to Dr. Francisco de Sa Carneiro caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with London to Porto Flights

Experience the joy of finding cheap flights from Heathrow to Dr. Francisco de Sa Carneiro that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$144 and roundtrip prices from S$367*.
 

Pre-Flight Essentials

Ensure a smooth journey from London to Porto with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Porto

Picture yourself stepping off the plane in Porto and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your London to Porto Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from London to Porto.
 

Beyond the Flight – Exploring Porto

With Expedia, your adventure extends beyond the flight. Explore Porto at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from London to Porto with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from London to Porto with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from London Heathrow to OPO?
If you're travelling between Heathrow Airport (LHR) and Porto Airport, round-trip journeys start from S$367. This price is based on fares listed within the last 7 days on Expedia for flights departing within the next year, so don't hang around. Book today and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from LHR to Porto Airport?
Most flights can be cancelled online, but every airline has its own set of terms and conditions. If you do have to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from Heathrow Airport (LHR) to Dr. Francisco de Sa Carneiro Airport (OPO) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Heathrow Airport (LHR) to Dr. Francisco de Sa Carneiro Airport (OPO) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Heathrow Airport to Porto Airport?
It's only 1,300 kilometres between Hounslow and Maia. Chances are you'll spend more time getting to and from the airport than you will actually flying!
Which airlines fly direct from Heathrow Airport (LHR) to OPO?
If you want to fly directly from Heathrow Airport (LHR) to Porto Airport, British Airways (BA) is a great option. It operates 17 flights every month between Hounslow and Maia.
Are Heathrow Airport to OPO flight tickets cheaper when they're purchased at the last minute?
Flight tickets from London Heathrow to Dr. Francisco de Sa Carneiro Airport (OPO) are available up to a year before departure on Expedia. And although you may pick up a great last-minute deal, it's not something you should count on. Also, booking your flights well in advance means you'll have more options --- and you can avoid getting stuck in the dreaded middle seat! We're constantly updating our fares to bring you the biggest bargains, so keep checking in for all the latest specials.

Explore a world of travel with Expedia

London Airports

London

Gatwick to Porto
S$191.08
*Available to Expedia members.