S$137 Cheap Flights from Porto to London

View S$137 flight on Wed, 11 Mar, 2026Opens 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$137 for one-way flights and S$335 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Wed, 11 Feb - Mon, 16 Feb
OPO
Porto
LHR
London
S$335 Return, found 3 days ago
S$335
Return
found 3 days ago
Select KLM flight, departing Wed, 11 Feb from Porto to London, returning Mon, 16 Feb, priced at S$335 found 3 days ago
Air France
Thu, 5 Feb - Sun, 8 Feb
OPO
Porto
LHR
London
S$336 Return, found 6 days ago
S$336
Return
found 6 days ago
Select Air France flight, departing Thu, 5 Feb from Porto to London, returning Sun, 8 Feb, priced at S$336 found 6 days ago
Air France
Thu, 5 Feb - Sun, 8 Feb
OPO
Porto
LHR
London
S$348 Return, found 6 days ago
S$348
Return
found 6 days ago
Select Air France flight, departing Thu, 5 Feb from Porto to London, returning Sun, 8 Feb, priced at S$348 found 6 days ago
Air France
Wed, 11 Feb - Mon, 16 Feb
OPO
Porto
LHR
London
S$348 Return, found 3 days ago
S$348
Return
found 3 days ago
Select Air France flight, departing Wed, 11 Feb from Porto to London, returning Mon, 16 Feb, priced at S$348 found 3 days ago
Air France
Thu, 29 Jan - Sun, 1 Feb
OPO
Porto
LHR
London
S$350 Return, found 2 hours ago
S$350
Return
found 2 hours ago
Select Air France flight, departing Thu, 29 Jan from Porto to London, returning Sun, 1 Feb, priced at S$350 found 2 hours ago
Air France
Fri, 30 Jan - Mon, 9 Feb
OPO
Porto
LHR
London
S$352 Return, found 6 days ago
S$352
Return
found 6 days ago
Select Air France flight, departing Fri, 30 Jan from Porto to London, returning Mon, 9 Feb, priced at S$352 found 6 days ago
Air France
Fri, 30 Jan - Mon, 9 Feb
OPO
Porto
LHR
London
S$353 Return, found 6 days ago
S$353
Return
found 6 days ago
Select Air France flight, departing Fri, 30 Jan from Porto to London, returning Mon, 9 Feb, priced at S$353 found 6 days ago
Air Europa
Thu, 29 Jan - Sun, 1 Feb
OPO
Porto
LHR
London
S$359 Return, found 2 hours ago
S$359
Return
found 2 hours ago
Select Air Europa flight, departing Thu, 29 Jan from Porto to London, returning Sun, 1 Feb, priced at S$359 found 2 hours ago
Lufthansa
Fri, 30 Jan - Mon, 9 Feb
OPO
Porto
LHR
London
S$396 Return, found 6 days ago
S$396
Return
found 6 days ago
Select Lufthansa flight, departing Fri, 30 Jan from Porto to London, returning Mon, 9 Feb, priced at S$396 found 6 days ago
Brussels Airlines
Thu, 5 Feb - Sun, 8 Feb
OPO
Porto
LHR
London
S$419 Return, found 6 days ago
S$419
Return
found 6 days ago
Select Brussels Airlines flight, departing Thu, 5 Feb from Porto to London, returning Sun, 8 Feb, priced at S$419 found 6 days ago

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

February is typically the cheapest month to fly

From S$231 - S$339 per traveller.

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$335. 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.

Travel information

Origin airport
Dr. Francisco de Sa Carneiro
Destination airport
Heathrow
Airlines serving
Air France, Austrian Airlines, Brussels Airlines, Eurowings, Iberia, KLM, LOT-Polish Airlines, Lufthansa, Swiss International Air Lines
Return price
S$335
Distance
1291 km

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Perfect flights from Porto to London

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*Note: Prices may vary based on availability and are subject to change.
Perfect flights from Porto to London

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