S$180 Cheap Flights from London to Porto

View S$180 flight on Sun, 18 Jan, 2026Opens 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$180 for one-way flights and S$329 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Sun, 11 Jan - Sun, 18 Jan
LHR
London
OPO
Porto
S$329 Return, found 3 days ago
S$329
Return
found 3 days ago
Select KLM flight, departing Sun, 11 Jan from London to Porto, returning Sun, 18 Jan, priced at S$329 found 3 days ago
Air France
Sun, 11 Jan - Sun, 18 Jan
LHR
London
OPO
Porto
S$335 Return, found 3 days ago
S$335
Return
found 3 days ago
Select Air France flight, departing Sun, 11 Jan from London to Porto, returning Sun, 18 Jan, priced at S$335 found 3 days ago
KLM
Fri, 9 Jan - Wed, 14 Jan
LHR
London
OPO
Porto
S$336 Return, found 5 days ago
S$336
Return
found 5 days ago
Select KLM flight, departing Fri, 9 Jan from London to Porto, returning Wed, 14 Jan, priced at S$336 found 5 days ago
KLM
Mon, 30 Mar - Tue, 7 Apr
LHR
London
OPO
Porto
S$341 Return, found 3 days ago
S$341
Return
found 3 days ago
Select KLM flight, departing Mon, 30 Mar from London to Porto, returning Tue, 7 Apr, priced at S$341 found 3 days ago
Air France
Fri, 30 Jan - Mon, 2 Feb
LHR
London
OPO
Porto
S$349 Return, found 3 days ago
S$349
Return
found 3 days ago
Select Air France flight, departing Fri, 30 Jan from London to Porto, returning Mon, 2 Feb, priced at S$349 found 3 days ago
KLM
Fri, 9 Jan - Wed, 14 Jan
LHR
London
OPO
Porto
S$357 Return, found 5 days ago
S$357
Return
found 5 days ago
Select KLM flight, departing Fri, 9 Jan from London to Porto, returning Wed, 14 Jan, priced at S$357 found 5 days ago
Air France
Fri, 30 Jan - Mon, 2 Feb
LHR
London
OPO
Porto
S$360 Return, found 3 days ago
S$360
Return
found 3 days ago
Select Air France flight, departing Fri, 30 Jan from London to Porto, returning Mon, 2 Feb, priced at S$360 found 3 days ago
Iberia
Fri, 30 Jan - Mon, 2 Feb
LHR
London
OPO
Porto
S$385 Return, found 3 days ago
S$385
Return
found 3 days ago
Select Iberia flight, departing Fri, 30 Jan from London to Porto, returning Mon, 2 Feb, priced at S$385 found 3 days ago
Lufthansa
Fri, 30 Jan - Mon, 2 Feb
LHR
London
OPO
Porto
S$442 Return, found 3 days ago
S$442
Return
found 3 days ago
Select Lufthansa flight, departing Fri, 30 Jan from London to Porto, returning Mon, 2 Feb, priced at S$442 found 3 days ago
Swiss International Air Lines
Sat, 16 May - Wed, 20 May
LHR
London
OPO
Porto
S$443 Return, found 22 hours ago
S$443
Return
found 22 hours ago
Select Swiss International Air Lines flight, departing Sat, 16 May from London to Porto, returning Wed, 20 May, priced at S$443 found 22 hours ago

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

January is typically the cheapest month to fly

From S$222 - S$355 per traveller.
London to Porto route information
Origin airport
Heathrow
Destination airport
Dr. Francisco de Sa Carneiro
Airlines serving
Air France, Austrian Airlines, Eurowings, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines
Return price
S$328
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 Iberia, KLM, Air France, British Airways, Eurowings, Lufthansa, 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$180 and roundtrip prices from S$329*.
 

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$329. 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$162.02
*Available to Expedia members.