How often are flights from London to Porto delayed?

Historically, on average around 100% of flights between London and Porto have experienced a delay on any given week. The average delay length over the past 12 months has been 82 minutes.

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

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

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. Tuesday has historically seen more delays on average compared to the rest of the week.

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

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

Which airline has the best punctuality record on London to Porto flights?

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 100% of their flights experiencing any sort of delay.

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

Prices for flights from London Heathrow Airport to Porto Airport are updated daily.

How many operators does momondo search for flights from London Heathrow Airport to Porto Airport?

There is 1 operator available for flights from London Heathrow Airport to Porto Airport as of November 2025.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Porto Airport.

What documentation or ID do you need to fly to Porto Airport?

The travel and health documents you'll need for your trip to Porto Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Porto Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$157 Cheap Flights from London Heathrow Airport to Porto in 2025/26

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Find the cheapest flights from London Heathrow Airport to Porto

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One-way

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15:15 - 07:55LHR-OPO

16h 40m1 stop

20:05 - 14:45OPO-LHR

18h 40m1 stop

$261Vueling

Find Deal

Sun, 1 Mar - Tue, 3 Mar

08:15 - 18:00LHR-OPO

9h 45m1 stop

16:00 - 22:40OPO-LHR

6h 40m1 stop

$313TAP AIR PORTUGAL

Find Deal

Wed, 3 Dec - Tue, 16 Dec

15:45 - 22:25LHR-OPO

6h 40m1 stop

11:25 - 18:20OPO-LHR

6h 55m1 stop

$332Multiple Airlines

Find Deal

Mon, 19 Jan - Sat, 24 Jan

06:00 - 15:20LHR-OPO

9h 20m1 stop

12:00 - 18:55OPO-LHR

6h 55m1 stop

$338TAP AIR PORTUGAL

Find Deal

Mon, 12 Jan - Sat, 24 Jan

18:30 - 00:30LHR-OPO

6h 00m1 stop

11:00 - 17:45OPO-LHR

6h 45m1 stop

$379TAP AIR PORTUGAL

Find Deal

Sat, 21 Mar - Wed, 1 Apr

19:55 - 08:00LHR-OPO

12h 05m1 stop

22:25 - 12:45OPO-LHR

14h 20m1 stop

$382TAP AIR PORTUGAL

Find Deal

Sat, 21 Mar - Wed, 1 Apr

10:00 - 15:25LHR-OPO

5h 25m1 stop

06:00 - 12:05OPO-LHR

6h 05m1 stop

$385KLM

Find Deal

Thu, 1 Jan - Sat, 10 Jan

08:15 - 15:20LHR-OPO

7h 05m1 stop

16:05 - 22:40OPO-LHR

6h 35m1 stop

$388TAP AIR PORTUGAL

Find Deal

Mon, 9 Feb - Wed, 11 Feb

08:15 - 17:00LHR-OPO

8h 45m1 stop

12:00 - 21:35OPO-LHR

9h 35m1 stop

$390TAP AIR PORTUGAL

Find Deal

Mon, 9 Feb - Wed, 11 Feb

06:00 - 17:00LHR-OPO

11h 00m1 stop

10:00 - 17:45OPO-LHR

7h 45m1 stop

$393TAP AIR PORTUGAL

Find Deal

Tue, 7 Apr - Wed, 15 Apr

TAP AIR PORTUGAL flights from London Heathrow Airport to Porto

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

TAP AIR PORTUGAL

3 Dec

LHR08:15London Heathrow

9h 45m

1 stop

OPO18:00Porto

16 Dec

OPO16:00Porto

6h 40m

1 stop

LHR22:40London Heathrow

$313

Find similar

TAP AIR PORTUGAL

12 Jan

LHR06:00London Heathrow

7h 00m

1 stop

OPO13:00Porto

23 Jan

OPO10:00Porto

7h 30m

1 stop

LHR17:30London Heathrow

$338

Find similar

TAP AIR PORTUGAL

26 Nov

LHR08:15London Heathrow

8h 45m

1 stop

OPO17:00Porto

27 Nov

OPO16:00Porto

5h 35m

1 stop

LHR21:35London Heathrow

$361

Find similar

KLM flights from London Heathrow Airport to Porto

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

KLM

1 Jan

LHR10:00London Heathrow

5h 25m

1 stop

OPO15:25Porto

10 Jan

OPO06:00Porto

6h 05m

1 stop

LHR12:05London Heathrow

$385

Find similar

KLM

3 Jan

LHR08:40London Heathrow

6h 45m

1 stop

OPO15:25Porto

10 Jan

OPO06:00Porto

6h 05m

1 stop

LHR12:05London Heathrow

$427

Find similar

KLM

25 Dec

LHR11:45London Heathrow

10h 40m

1 stop

OPO22:25Porto

30 Dec

OPO09:55Porto

6h 10m

1 stop

LHR16:05London Heathrow

$510

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sun 1/3

15:15-07:55

1 stop16h 40m

Porto

Tue 3/3

20:05-14:45

1 stop18h 40m

$261

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 3/12

08:15-18:00

1 stop9h 45m

Porto

Tue 16/12

16:00-22:40

1 stop6h 40m

$313

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 19/1

15:45-22:25

1 stop6h 40m

Porto

Sat 24/1

11:25-18:20

1 stop6h 55m

$332

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 12/1

06:00-15:20

1 stop9h 20m

Porto

Sat 24/1

12:00-18:55

1 stop6h 55m

$338

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 21/3

18:30-00:30

1 stop6h 00m

Porto

Wed 1/4

11:00-17:45

1 stop6h 45m

$379

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 21/3

19:55-08:00

1 stop12h 05m

Porto

Wed 1/4

22:25-12:45

1 stop14h 20m

$382

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 1/1

10:00-15:25

1 stop5h 25m

Porto

Sat 10/1

06:00-12:05

1 stop6h 05m

$385

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 9/2

08:15-15:20

1 stop7h 05m

Porto

Wed 11/2

16:05-22:40

1 stop6h 35m

$388

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 9/2

08:15-17:00

1 stop8h 45m

Porto

Wed 11/2

12:00-21:35

1 stop9h 35m

$390

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 7/4

06:00-17:00

1 stop11h 00m

Porto

Wed 15/4

10:00-17:45

1 stop7h 45m

$393

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 London Heathrow Airport to Porto

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 cheapest month to fly to Porto?

In general, January is the cheapest month to fly from London Heathrow Airport to Porto. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $307. If you aren’t able to travel to Porto during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $327.

What is the cheapest day to depart on your flight to Porto?

Our data shows that Tuesday is the least expensive day to fly to Porto. Tickets to fly out on this day can be as low as $278. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Porto for around $567.

How far in advance should I book a flight to Porto?

You are more likely to see cheaper flights to Porto from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $439 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from London Heathrow Airport for as low as $338 on momondo.

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

As of November 2025, prices for London Heathrow Airport to Porto flights are approximately 344% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Porto

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

Estimated return price

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

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

Direct flights	None

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

Search flight deals

How far is London Heathrow to Porto by plane?
There are 1304.5 km between London Heathrow and Porto. A reasonable flight in good conditions will take 5h 20m.
When did momondo last update prices for flights from London Heathrow Airport to Porto Airport?
Prices for flights from London Heathrow Airport to Porto Airport are updated daily.
How many operators does momondo search for flights from London Heathrow Airport to Porto Airport?
There is 1 operator available for flights from London Heathrow Airport to Porto Airport as of November 2025.
How old do you have to be to fly from London Heathrow Airport to Porto Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Porto Airport.
What documentation or ID do you need to fly to Porto Airport?
The travel and health documents you'll need for your trip to Porto Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Porto Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from London Heathrow Airport to Porto?
Based on momondo bookings for this flight route, the most popular airline on flight routes from London Heathrow Airport to Porto is British Airways (100% of total bookings).

Best airlines flying from London Heathrow Airport to Porto

Compare and see reviews for airlines that fly from London Heathrow Airport to Porto with momondo

Airline	Rating	Free cancellation	Price
British Airways	PriceFrom $563	Free cancellation	Rating 6.7 7,528 reviews		Search British Airways flights

Coimbra

Vila Nova de Gaia

Aveiro

Why use momondo?

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

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

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

Yes. momondo enables you to select and highlight flights to Porto from London with this policy.

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

momondo provides multiple filters to help you find the best flight to Porto from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for London to Porto flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Porto 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.

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Cheap flights from London Heathrow Airport to Porto from $157

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Porto departing on 29/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from London Heathrow Airport to Porto

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

TAP AIR PORTUGAL flights from London Heathrow Airport to Porto

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

KLM flights from London Heathrow Airport to Porto

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

momondo Fare Finder

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

See travel insights to Porto from

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

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

What is the cheapest month to fly to Porto?

What is the cheapest day to depart on your flight to Porto?

Our data shows that Tuesday is the least expensive day to fly to Porto. Tickets to fly out on this day can be as low as $278. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Porto for around $567.

How far in advance should I book a flight to Porto?

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

As of November 2025, prices for London Heathrow Airport to Porto flights are approximately 344% more expensive when compared to flights at the same time last year.

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

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

How often are flights from London to Porto delayed?

Historically, on average around 100% of flights between London and Porto have experienced a delay on any given week. The average delay length over the past 12 months has been 82 minutes.

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

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

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. Tuesday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on London to Porto flights?

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 100% of their flights experiencing any sort of delay.

When to book flights from London Heathrow Airport to Porto

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

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

Direct flights

How far is London Heathrow to Porto by plane?

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

How many operators does momondo search for flights from London Heathrow Airport to Porto Airport?

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

What documentation or ID do you need to fly to Porto Airport?

What is the most popular airline from London Heathrow Airport to Porto?

Best airlines flying from London Heathrow Airport to Porto

Compare and see reviews for airlines that fly from London Heathrow Airport to Porto with momondo

Travelling to a place near Porto?

Why use momondo?

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

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

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

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

An easier way to manage your Porto 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 Portugal

Airports servicing Portugal