S$165 Cheap Flights from Porto to London

View S$165 flight on Sat, 20 Dec, 2025Opens in a new window

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

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Cheap Flights from Porto to London (OPO-LHR)

Prices were available within the past 7 days and start at S$165 for one-way flights and S$355 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Fri, 5 Dec - Tue, 9 Dec
OPO
Porto
LHR
London
S$355 Return, found 1 day ago
S$355
Return
found 1 day ago
Select British Airways flight, departing Fri, 5 Dec from Porto to London, returning Tue, 9 Dec, priced at S$355 found 1 day ago
Iberia
Fri, 5 Dec - Tue, 9 Dec
OPO
Porto
LHR
London
S$368 Return, found 1 day ago
S$368
Return
found 1 day ago
Select Iberia flight, departing Fri, 5 Dec from Porto to London, returning Tue, 9 Dec, priced at S$368 found 1 day ago
British Airways
Fri, 5 Dec - Tue, 9 Dec
OPO
Porto
LHR
London
S$381 Return, found 1 day ago
S$381
Return
found 1 day ago
Select British Airways flight, departing Fri, 5 Dec from Porto to London, returning Tue, 9 Dec, priced at S$381 found 1 day ago
British Airways
Fri, 5 Dec - Tue, 9 Dec
OPO
Porto
LHR
London
S$382 Return, found 1 day ago
S$382
Return
found 1 day ago
Select British Airways flight, departing Fri, 5 Dec from Porto to London, returning Tue, 9 Dec, priced at S$382 found 1 day ago
Iberia
Fri, 5 Dec - Tue, 9 Dec
OPO
Porto
LHR
London
S$393 Return, found 1 day ago
S$393
Return
found 1 day ago
Select Iberia flight, departing Fri, 5 Dec from Porto to London, returning Tue, 9 Dec, priced at S$393 found 1 day ago
Iberia
Fri, 5 Dec - Tue, 9 Dec
OPO
Porto
LHR
London
S$398 Return, found 1 day ago
S$398
Return
found 1 day ago
Select Iberia flight, departing Fri, 5 Dec from Porto to London, returning Tue, 9 Dec, priced at S$398 found 1 day ago
British Airways
Fri, 5 Dec - Tue, 9 Dec
OPO
Porto
LHR
London
S$399 Return, found 1 day ago
S$399
Return
found 1 day ago
Select British Airways flight, departing Fri, 5 Dec from Porto to London, returning Tue, 9 Dec, priced at S$399 found 1 day ago
KLM
Thu, 11 Sep - Thu, 18 Sep
OPO
Porto
LHR
London
S$427 Return, found 3 days ago
S$427
Return
found 3 days ago
Select KLM flight, departing Thu, 11 Sep from Porto to London, returning Thu, 18 Sep, priced at S$427 found 3 days ago
Air France
Fri, 5 Dec - Tue, 9 Dec
OPO
Porto
LHR
London
S$458 Return, found 1 day ago
S$458
Return
found 1 day ago
Select Air France flight, departing Fri, 5 Dec from Porto to London, returning Tue, 9 Dec, priced at S$458 found 1 day ago
Lufthansa
Thu, 11 Sep - Thu, 18 Sep
OPO
Porto
LHR
London
S$487 Return, found 3 days ago
S$487
Return
found 3 days ago
Select Lufthansa flight, departing Thu, 11 Sep from Porto to London, returning Thu, 18 Sep, priced at S$487 found 3 days ago

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

January is typically the cheapest month to fly

From S$201 - S$442 per traveller.

Graph displaying average flight prices per month

Porto to London route information
Origin airport
Dr. Francisco de Sa Carneiro
Destination airport
Heathrow
Airlines serving
Air France, Austrian Airlines, British Airways, Eurowings, Iberia, KLM, Lufthansa, Swiss International Air Lines
Return price
S$354
Distance
1291 km

Perfect flights from Porto to London

Your Journey from Porto to London

Start your unforgettable journey with Expedia. Our broad selection of flights from Porto to London 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 British Airways, KLM, Iberia, Eurowings, Swiss International Air Lines, Air France, Lufthansa. Our selection of flights from Dr. Francisco de Sa Carneiro to Heathrow 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 Porto to London Flights

Experience the joy of finding cheap flights from Dr. Francisco de Sa Carneiro to Heathrow that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$165 and roundtrip prices from S$355*.
 

Pre-Flight Essentials

Ensure a smooth journey from Porto to London 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 London

Picture yourself stepping off the plane in London 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 Porto to London 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 Porto to London.
 

Beyond the Flight – Exploring London

With Expedia, your adventure extends beyond the flight. Explore London 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 Porto to London 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 Porto to London 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 Dr. Francisco de Sa Carneiro Airport (OPO) to Heathrow Airport (LHR)?
The lowest price advertised for a round-trip journey between Porto Airport and London Heathrow is S$355. But you better act quick. This figure is based on fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Dr. Francisco de Sa Carneiro Airport (OPO) to London Heathrow?
Most flights can be cancelled online, but each air carrier has its own terms and conditions. If you do have to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from OPO to Heathrow Airport 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 Porto Airport to LHR flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Porto Airport to Heathrow Airport?
That movie you've been eager to see will have to wait --- the flight distance between Dr. Francisco de Sa Carneiro Airport (OPO) and LHR is only 1,300 kilometres. The captain will be instructing you to buckle up for touchdown before you know it.
Which airlines fly direct from Dr. Francisco de Sa Carneiro Airport (OPO) to London Heathrow?
Flying directly from Dr. Francisco de Sa Carneiro Airport (OPO) to Heathrow Airport (LHR) is simple with British Airways (BA). This top airline operates 17 flights each month.
Are Porto Airport to LHR flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Porto Airport to LHR last minute could be your ticket to a cheap deal. However, it could end up costing you a whole lot more! If you'd rather play it safe, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back regularly as deals are updated on Expedia all the time.

Explore a world of travel with Expedia

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S$439.42
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