How often are flights from Porto to London delayed?

Historically, on average around 2% 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 219 minutes.

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.

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

Vueling is the most popular carrier operating from Porto to London Heathrow

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

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

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.

£53 Cheap Flights from Porto to London Heathrow Airport in 2026

Find the cheapest flights from Porto to London

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One-way

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Cheap return flights

Enter your travel dates to find the best prices.

20:55 - 14:45OPO Porto-LHR London Heathrow

17h 50m1 stop Bilbao

09:55 - 08:00LHR London Heathrow-OPO Porto

22h 05m1 stop Barcelona-El Prat

£108Multiple Airlines

Thu, 24 Sep - Wed, 30 Sep

20:40 - 14:45OPO Porto-LHR London Heathrow

18h 05m1 stop Bilbao

20:50 - 11:35LHR London Heathrow-OPO Porto

14h 45m1 stop Barcelona-El Prat

£110Multiple Airlines

Thu, 24 Sep - Tue, 29 Sep

20:55 - 18:00OPO Porto-LHR London Heathrow

21h 05m1 stop Bilbao

09:55 - 08:10LHR London Heathrow-OPO Porto

22h 15m1 stop Barcelona-El Prat

£113Multiple Airlines

Thu, 19 Nov - Sun, 22 Nov

20:40 - 14:45OPO Porto-LHR London Heathrow

18h 05m1 stop Bilbao

09:55 - 08:00LHR London Heathrow-OPO Porto

22h 05m1 stop Barcelona-El Prat

£113Vueling

Thu, 24 Sep - Wed, 30 Sep

22:00 - 09:10OPO Porto-LHR London Heathrow

11h 10m1 stop Barcelona-El Prat

20:50 - 08:00LHR London Heathrow-OPO Porto

11h 10m1 stop Barcelona-El Prat

£115Vueling

Thu, 24 Sep - Tue, 29 Sep

20:55 - 14:45OPO Porto-LHR London Heathrow

17h 50m1 stop Bilbao

09:55 - 08:00LHR London Heathrow-OPO Porto

22h 05m1 stop Barcelona-El Prat

£116Multiple Airlines

Thu, 24 Sep - Wed, 30 Sep

22:00 - 09:10OPO Porto-LHR London Heathrow

11h 10m1 stop Barcelona-El Prat

20:50 - 08:00LHR London Heathrow-OPO Porto

11h 10m1 stop Barcelona-El Prat

£116Vueling

Thu, 24 Sep - Tue, 29 Sep

16:00 - 21:35OPO Porto-LHR London Heathrow

5h 35m1 stop Lisbon Humberto Delgado

08:15 - 19:00LHR London Heathrow-OPO Porto

10h 45m1 stop Lisbon Humberto Delgado

£147TAP AIR PORTUGAL

Tue, 3 Nov - Fri, 20 Nov

16:00 - 21:35OPO Porto-LHR London Heathrow

5h 35m1 stop Lisbon Humberto Delgado

06:00 - 13:30LHR London Heathrow-OPO Porto

7h 30m1 stop Lisbon Humberto Delgado

£147TAP AIR PORTUGAL

Wed, 18 Nov - Sat, 21 Nov

12:00 - 17:30OPO Porto-LHR London Heathrow

5h 30m1 stop Lisbon Humberto Delgado

06:00 - 13:30LHR London Heathrow-OPO Porto

7h 30m1 stop Lisbon Humberto Delgado

£147TAP AIR PORTUGAL

Thu, 19 Nov - Sun, 22 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

11:00 - 22:55OPO Porto-LHR London Heathrow

11h 55m1 stop Lisbon Humberto Delgado

18:45 - 07:50LHR London Heathrow-OPO Porto

13h 05m1 stop Lisbon Humberto Delgado

£195TAP AIR PORTUGAL

Thu, 13 Aug - Sun, 6 Sep

21:15 - 10:20OPO Porto-LHR London Heathrow

13h 05m1 stop Lisbon Humberto Delgado

11:20 - 00:40LHR London Heathrow-OPO Porto

13h 20m1 stop Lisbon Humberto Delgado

£227TAP AIR PORTUGAL

Mon, 17 Aug - Wed, 2 Sep

06:00 - 12:40OPO Porto-LHR London Heathrow

6h 40m1 stop Frankfurt am Main

20:05 - 11:25LHR London Heathrow-OPO Porto

15h 20m1 stop Zurich

£231Multiple Airlines

Thu, 13 Aug - Thu, 13 Aug

21:15 - 10:20OPO Porto-LHR London Heathrow

13h 05m1 stop Lisbon Humberto Delgado

13:45 - 00:40LHR London Heathrow-OPO Porto

10h 55m1 stop Lisbon Humberto Delgado

£246TAP AIR PORTUGAL

Mon, 17 Aug - Wed, 19 Aug

12:35 - 22:55OPO Porto-LHR London Heathrow

10h 20m1 stop Lisbon Humberto Delgado

06:00 - 00:40LHR London Heathrow-OPO Porto

18h 40m1 stop Lisbon Humberto Delgado

£248TAP AIR PORTUGAL

Thu, 13 Aug - Sun, 16 Aug

06:00 - 12:40OPO Porto-LHR London Heathrow

6h 40m1 stop Frankfurt am Main

20:25 - 11:15LHR London Heathrow-OPO Porto

14h 50m2 stops Munich Franz Josef Strauss Frankfurt am Main

£271Lufthansa

Thu, 13 Aug - Thu, 13 Aug

22:00 - 09:10OPO Porto-LHR London Heathrow

11h 10m1 stop Barcelona-El Prat

15:30 - 20:10LHR London Heathrow-OPO Porto

4h 40m1 stop Bilbao

£275Multiple Airlines

Thu, 13 Aug - Sun, 13 Sep

05:05 - 10:20OPO Porto-LHR London Heathrow

5h 15m1 stop Lisbon Humberto Delgado

18:45 - 09:10LHR London Heathrow-OPO Porto

14h 25m1 stop Lisbon Humberto Delgado

£277TAP AIR PORTUGAL

Thu, 13 Aug - Thu, 13 Aug

16:00 - 22:55OPO Porto-LHR London Heathrow

6h 55m1 stop Lisbon Humberto Delgado

06:00 - 17:00LHR London Heathrow-OPO Porto

11h 00m1 stop Lisbon Humberto Delgado

£284TAP AIR PORTUGAL

Thu, 13 Aug - Thu, 20 Aug

19:10 - 09:00OPO Porto-LHR London Heathrow

13h 50m1 stop Amsterdam Schiphol

19:45 - 08:30LHR London Heathrow-OPO Porto

12h 45m1 stop Paris Charles de Gaulle

£284Multiple Airlines

Thu, 13 Aug - Sun, 23 Aug

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Vueling flights from Porto to London Heathrow Airport

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

Vueling

24 Sept

OPO20:40Porto

18h 05m

1 stop

LHR14:45London Heathrow

30 Sept

LHR09:55London Heathrow

22h 05m

1 stop

OPO08:00Porto

£113

Vueling

24 Sept

OPO22:00Porto

11h 10m

1 stop

LHR09:10London Heathrow

29 Sept

LHR20:50London Heathrow

11h 10m

1 stop

OPO08:00Porto

£115

Vueling

24 Sept

OPO22:00Porto

11h 10m

1 stop

LHR09:10London Heathrow

29 Sept

LHR20:50London Heathrow

11h 10m

1 stop

OPO08:00Porto

£118

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

19 Nov

OPO07:00Porto

5h 40m

1 stop

LHR12:40London Heathrow

22 Nov

LHR16:30London Heathrow

5h 30m

1 stop

OPO22:00Porto

£148

TAP AIR PORTUGAL

19 Nov

OPO12:00Porto

5h 30m

1 stop

LHR17:30London Heathrow

22 Nov

LHR06:00London Heathrow

7h 30m

1 stop

OPO13:30Porto

£150

TAP AIR PORTUGAL

13 Nov

OPO05:00Porto

6h 25m

1 stop

LHR11:25London Heathrow

15 Nov

LHR13:40London Heathrow

5h 20m

1 stop

OPO19:00Porto

£152

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 Porto - LHR London Heathrow

OPOLHR

Porto

Thu 24/9

20:55-14:45

1 stop17h 50m

London Heathrow

Wed 30/9

09:55-08:00

1 stop22h 05m

£108

PortoLondon

OPO Porto - LHR London Heathrow

OPOLHR

Porto

Thu 24/9

20:40-14:45

1 stop18h 05m

London Heathrow

Tue 29/9

20:50-11:35

1 stop14h 45m

£110

PortoLondon

OPO Porto - LHR London Heathrow

OPOLHR

Porto

Thu 19/11

20:55-18:00

1 stop21h 05m

London Heathrow

Sun 22/11

09:55-08:10

1 stop22h 15m

£113

PortoLondon

OPO Porto - LHR London Heathrow

OPOLHR

Porto

Thu 24/9

20:40-14:45

1 stop18h 05m

London Heathrow

Wed 30/9

09:55-08:00

1 stop22h 05m

£113

PortoLondon

OPO Porto - LHR London Heathrow

OPOLHR

Porto

Thu 24/9

22:00-09:10

1 stop11h 10m

London Heathrow

Tue 29/9

20:50-08:00

1 stop11h 10m

£115

PortoLondon

OPO Porto - LHR London Heathrow

OPOLHR

Porto

Thu 24/9

20:55-14:45

1 stop17h 50m

London Heathrow

Wed 30/9

09:55-08:00

1 stop22h 05m

£116

PortoLondon

OPO Porto - LHR London Heathrow

OPOLHR

Porto

Thu 24/9

22:00-09:10

1 stop11h 10m

London Heathrow

Tue 29/9

20:50-08:00

1 stop11h 10m

£116

PortoLondon

OPO Porto - LHR London Heathrow

OPOLHR

Porto

Tue 3/11

16:00-21:35

1 stop5h 35m

London Heathrow

Fri 20/11

08:15-19:00

1 stop10h 45m

£147

PortoLondon

OPO Porto - LHR London Heathrow

OPOLHR

Porto

Wed 18/11

16:00-21:35

1 stop5h 35m

London Heathrow

Sat 21/11

06:00-13:30

1 stop7h 30m

£147

Fastest return journey

PortoLondon

OPO Porto - LHR London Heathrow

OPOLHR

Porto

Thu 19/11

12:00-17:30

1 stop5h 30m

London Heathrow

Sun 22/11

06:00-13:30

1 stop7h 30m

£147

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?

Prices are currently low for flights on this route.

Typical prices usually range from £197 to £302.
The lowest price recently found on this route was £108.

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 £96. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from Porto averaging around £162.

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

As of August 2026, prices for Porto to London Heathrow Airport flights are approximately 163% more expensive 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 45m
Direct flights	None

The fastest flight from Porto to London Heathrow Airport takes 5h 45m

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 45m.
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.

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Stratford-upon-Avon

Luton

Southend-on-Sea

Slough

Northampton

Ipswich

Maidstone

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Hastings

Poole

Canterbury

Chichester

Hayes

Guildford

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Porto to London . Millions of users trust and use momondo every year so you are in good hands.

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.

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Cheap flights from Porto to London from £53

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 24/9. 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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Vueling flights from Porto to London Heathrow Airport

Our best Vueling 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

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

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