What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

How often are flights from Porto to London delayed?

Historically, on average around 4% of flights between Porto and London have experienced a delay on any given week. The average delay length over the past 12 months has been 163 minutes.

What is the most punctual flight time for Porto to London flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

What is the cheapest airline that flies from Porto to London Heathrow?

Iberia, Vueling, and TAP AIR PORTUGAL are the most popular carriers operating from Porto to London Heathrow

When did momondo last update prices for flights from Porto Airport to London Heathrow Airport?

Prices for flights from Porto Airport to London Heathrow Airport are refreshed on a daily basis.

How old do you have to be to fly from Porto Airport to London Heathrow Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Porto Airport to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£42 Cheap Flights from Porto to London Heathrow Airport in 2026

Q: What is the typical price of a round-trip flight between Porto and London Heathrow Airport?

Prices are currently low for flights on this route. Typical prices usually range from £222 to £108. The lowest price recently found on this route was £114.

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Find the cheapest flights from Porto to London

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20:05 - 14:45

OPO

LHR

18h 40m

1 stop

09:55 - 21:15

LHR

OPO

11h 20m

1 stop

£114Vueling

Sat, 21 Nov - Sat, 28 Nov

22:00 - 09:10

OPO

LHR

11h 10m

1 stop

20:50 - 08:00

LHR

OPO

11h 10m

1 stop

£121Vueling

Thu, 9 Jul - Wed, 15 Jul

22:00 - 09:10

OPO

LHR

11h 10m

1 stop

18:45 - 07:40

LHR

OPO

12h 55m

1 stop

£124Iberia

Tue, 6 Oct - Wed, 21 Oct

21:55 - 09:10

OPO

LHR

11h 15m

1 stop

19:40 - 07:40

LHR

OPO

12h 00m

1 stop

£124Iberia

Tue, 17 Nov - Sat, 21 Nov

21:55 - 09:10

OPO

LHR

11h 15m

1 stop

19:05 - 07:40

LHR

OPO

12h 35m

1 stop

£132Iberia

Sat, 7 Nov - Tue, 10 Nov

22:00 - 09:10

OPO

LHR

11h 10m

1 stop

20:50 - 08:00

LHR

OPO

11h 10m

1 stop

£136Iberia

Tue, 7 Jul - Sat, 11 Jul

22:00 - 09:10

OPO

LHR

11h 10m

1 stop

09:55 - 16:35

LHR

OPO

6h 40m

1 stop

£137Iberia

Thu, 9 Jul - Wed, 15 Jul

16:40 - 22:15

OPO

LHR

5h 35m

1 stop

20:00 - 07:40

LHR

OPO

11h 40m

1 stop

£138Iberia

Sat, 26 Sep - Sat, 3 Oct

22:00 - 09:10

OPO

LHR

11h 10m

1 stop

20:50 - 08:00

LHR

OPO

11h 10m

1 stop

£138Vueling

Tue, 7 Jul - Tue, 14 Jul

12:25 - 17:15

OPO

LHR

4h 50m

1 stop

10:45 - 20:00

LHR

OPO

9h 15m

1 stop

£141Iberia

Tue, 17 Nov - Sat, 21 Nov

Iberia flights from Porto to London Heathrow Airport

Our best Iberia deals on Porto to London Heathrow Airport flight tickets

Iberia

6 Oct

OPO22:00Porto

11h 10m

1 stop

LHR09:10London Heathrow

21 Oct

LHR18:45London Heathrow

12h 55m

1 stop

OPO07:40Porto

£124

Iberia

7 Nov

OPO21:55Porto

11h 15m

1 stop

LHR09:10London Heathrow

10 Nov

LHR19:05London Heathrow

12h 35m

1 stop

OPO07:40Porto

£132

Iberia

7 Jul

OPO22:00Porto

11h 10m

1 stop

LHR09:10London Heathrow

11 Jul

LHR20:50London Heathrow

11h 10m

1 stop

OPO08:00Porto

£136

TAP AIR PORTUGAL flights from Porto to London Heathrow Airport

Our best TAP AIR PORTUGAL deals on Porto to London Heathrow Airport flight tickets

TAP AIR PORTUGAL

29 Jul

OPO10:00Porto

8h 50m

1 stop

LHR18:50London Heathrow

4 Aug

LHR11:20London Heathrow

7h 40m

1 stop

OPO19:00Porto

£142

TAP AIR PORTUGAL

2 Jul

OPO16:00Porto

6h 55m

1 stop

LHR22:55London Heathrow

7 Jul

LHR08:00London Heathrow

11h 00m

1 stop

OPO19:00Porto

£144

TAP AIR PORTUGAL

11 Jun

OPO05:05Porto

5h 15m

1 stop

LHR10:20London Heathrow

15 Jun

LHR18:45London Heathrow

5h 55m

1 stop

OPO00:40Porto

£146

momondo Fare Finder

Use the filters below to find and compare flights from Porto to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortoLondon

OPO - LHR

OPOLHR

Porto

Sat 21/11

20:05-14:45

1 stop18h 40m

London Heathrow

Sat 28/11

09:55-21:15

1 stop11h 20m

£114

PortoLondon

OPO - LHR

OPOLHR

Porto

Thu 9/7

22:00-09:10

1 stop11h 10m

London Heathrow

Wed 15/7

20:50-08:00

1 stop11h 10m

£121

PortoLondon

OPO - LHR

OPOLHR

Porto

Tue 6/10

22:00-09:10

1 stop11h 10m

London Heathrow

Wed 21/10

18:45-07:40

1 stop12h 55m

£124

PortoLondon

OPO - LHR

OPOLHR

Porto

Tue 17/11

21:55-09:10

1 stop11h 15m

London Heathrow

Sat 21/11

19:40-07:40

1 stop12h 00m

£124

PortoLondon

OPO - LHR

OPOLHR

Porto

Sat 7/11

21:55-09:10

1 stop11h 15m

London Heathrow

Tue 10/11

19:05-07:40

1 stop12h 35m

£132

PortoLondon

OPO - LHR

OPOLHR

Porto

Tue 7/7

22:00-09:10

1 stop11h 10m

London Heathrow

Sat 11/7

20:50-08:00

1 stop11h 10m

£136

PortoLondon

OPO - LHR

OPOLHR

Porto

Thu 9/7

22:00-09:10

1 stop11h 10m

London Heathrow

Wed 15/7

09:55-16:35

1 stop6h 40m

£137

PortoLondon

OPO - LHR

OPOLHR

Porto

Sat 26/9

16:40-22:15

1 stop5h 35m

London Heathrow

Sat 3/10

20:00-07:40

1 stop11h 40m

£138

PortoLondon

OPO - LHR

OPOLHR

Porto

Tue 7/7

22:00-09:10

1 stop11h 10m

London Heathrow

Tue 14/7

20:50-08:00

1 stop11h 10m

£138

Fastest return journey

PortoLondon

OPO - LHR

OPOLHR

Porto

Tue 17/11

12:25-17:15

1 stop4h 50m

London Heathrow

Sat 21/11

10:45-20:00

1 stop9h 15m

£141

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Porto to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

What is the typical price of a round-trip flight between Porto and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

In general, February is the cheapest month to fly from Porto to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £97. The month of June is another great option to travel to London Heathrow Airport, with average flight prices from Porto averaging around £148.

How have Porto to London Heathrow Airport flight prices changed over time?

As of May 2026, prices for Porto to London Heathrow Airport flights are approximately 19% cheaper when compared to flights at the same time last year.

When to book flights from Porto to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Porto to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Porto to London Heathrow Airport (OPO to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Porto to London Heathrow Airport

Fastest flight time	5h 35m
Direct flights	None

The fastest flight from Porto to London Heathrow Airport takes 5h 35m

There are no direct flights from Porto to London Heathrow Airport. There are no popular flight routes from Porto to London Heathrow Airport.

Search flight deals

Frequently asked questions about flying from Porto to London Heathrow Airport

How far is Porto to London Heathrow by plane?
The distance between Porto and London Heathrow is about 810.6 mi. A reasonable flight in good conditions will take 5h 35m.
When did momondo last update prices for flights from Porto Airport to London Heathrow Airport?
Prices for flights from Porto Airport to London Heathrow Airport are refreshed on a daily basis.
How old do you have to be to fly from Porto Airport to London Heathrow Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Porto Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Eastbourne

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Gatwick

Luton

Wembley

Stratford-upon-Avon

Slough

Northampton

Maidstone

Swindon

Southend-on-Sea

Ipswich

Canterbury

Ilford

Hayes

Guildford

Poole

Folkestone

Chelmsford

Bedford

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Why should I use momondo to find a flight deal from Porto to London?

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Can I find flights from Porto to London with flexible booking policies on momondo?

Flights from Porto to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Porto to London?

Once all potential Porto to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Porto to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Porto and alert you when they change.

An easier way to manage your London Heathrow Airport trip

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Cheap flights from Porto to London from £42

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Porto to London departing on 16/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Iberia flights from Porto to London Heathrow Airport

Our best Iberia deals on Porto to London Heathrow Airport flight tickets

TAP AIR PORTUGAL flights from Porto to London Heathrow Airport

Our best TAP AIR PORTUGAL deals on Porto to London Heathrow Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Porto to London Heathrow Airport that are best for you.

See travel insights to London from

How to get the cheapest flight ticket from Porto to London Heathrow Airport

What is the typical price of a round-trip flight between Porto and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

How have Porto to London Heathrow Airport flight prices changed over time?

What is the cheapest airline that flies from Porto to London Heathrow?

How often are flights from Porto to London delayed?

What is the most punctual flight time for Porto to London flights?

What day of the week experiences the fewest flight delays on this route?

When to book flights from Porto to London Heathrow Airport

Cheap Porto to London Heathrow Airport (OPO to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Porto to London Heathrow Airport

Fastest flight time

Direct flights

Frequently asked questions about flying from Porto to London Heathrow Airport

Travelling to a place near London?

Why use momondo?

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

Popular Cities in the United Kingdom

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List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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