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

Vueling and KLM 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.

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.

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 December 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.

$115 Cheap Flights from London Heathrow Airport to Porto in 2025/26

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

Prices are currently low for flights on this route. Typical prices usually range from $483 to $762. The lowest price recently found on this route was $246.

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Find the cheapest flights from London Heathrow Airport to Porto

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One-way

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20:50 - 08:10LHR-OPO

11h 20m1 stop

21:55 - 09:10OPO-LHR

11h 15m1 stop

$246Vueling

Find Deal

Tue, 13 Jan - Wed, 21 Jan

08:15 - 15:00LHR-OPO

6h 45m1 stop

05:00 - 11:25OPO-LHR

6h 25m1 stop

$291TAP AIR PORTUGAL

Find Deal

Fri, 16 Jan - Sun, 18 Jan

14:05 - 22:20LHR-OPO

8h 15m1 stop

05:00 - 10:45OPO-LHR

5h 45m1 stop

$301KLM

Find Deal

Sat, 17 Jan - Sun, 18 Jan

11:15 - 22:20LHR-OPO

11h 05m1 stop

05:00 - 12:05OPO-LHR

7h 05m1 stop

$304KLM

Find Deal

Sat, 17 Jan - Sun, 18 Jan

12:25 - 18:05LHR-OPO

5h 40m1 stop

12:05 - 17:30OPO-LHR

5h 25m1 stop

$305TAP AIR PORTUGAL

Find Deal

Sun, 11 Jan - Thu, 15 Jan

12:25 - 18:00LHR-OPO

5h 35m1 stop

16:00 - 21:35OPO-LHR

5h 35m1 stop

$313TAP AIR PORTUGAL

Find Deal

Thu, 12 Feb - Tue, 17 Feb

15:15 - 08:25LHR-OPO

17h 10m1 stop

08:35 - 14:25OPO-LHR

5h 50m1 stop

$314Vueling

Find Deal

Sat, 31 Jan - Mon, 2 Feb

06:30 - 13:20LHR-OPO

6h 50m1 stop

05:00 - 12:05OPO-LHR

7h 05m1 stop

$319KLM

Find Deal

Fri, 16 Jan - Sun, 18 Jan

13:40 - 19:00LHR-OPO

5h 20m1 stop

11:15 - 17:30OPO-LHR

6h 15m1 stop

$320TAP AIR PORTUGAL

Find Deal

Thu, 8 Jan - Thu, 15 Jan

11:45 - 19:20LHR-OPO

7h 35m1 stop

11:25 - 16:35OPO-LHR

5h 10m1 stop

$328Multiple Airlines

Find Deal

Thu, 19 Mar - Sun, 22 Mar

Vueling flights from London Heathrow Airport to Porto

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

Vueling

13 Jan

LHR20:50London Heathrow

11h 20m

1 stop

OPO08:10Porto

21 Jan

OPO21:55Porto

11h 15m

1 stop

LHR09:10London Heathrow

$246

Find similar

Vueling

31 Jan

LHR15:15London Heathrow

17h 10m

1 stop

OPO08:25Porto

2 Feb

OPO08:35Porto

5h 50m

1 stop

LHR14:25London Heathrow

$314

Find similar

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

16 Jan

LHR08:15London Heathrow

6h 45m

1 stop

OPO15:00Porto

18 Jan

OPO05:00Porto

6h 25m

1 stop

LHR11:25London Heathrow

$291

Find similar

TAP AIR PORTUGAL

11 Jan

LHR12:25London Heathrow

5h 40m

1 stop

OPO18:05Porto

15 Jan

OPO12:05Porto

5h 25m

1 stop

LHR17:30London Heathrow

$305

Find similar

TAP AIR PORTUGAL

12 Feb

LHR12:25London Heathrow

5h 35m

1 stop

OPO18:00Porto

17 Feb

OPO16:00Porto

5h 35m

1 stop

LHR21:35London Heathrow

$313

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

Tue 13/1

20:50-08:10

1 stop11h 20m

Porto

Wed 21/1

21:55-09:10

1 stop11h 15m

$246

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Fri 16/1

08:15-15:00

1 stop6h 45m

Porto

Sun 18/1

05:00-11:25

1 stop6h 25m

$291

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 17/1

14:05-22:20

1 stop8h 15m

Porto

Sun 18/1

05:00-10:45

1 stop5h 45m

$301

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 17/1

11:15-22:20

1 stop11h 05m

Porto

Sun 18/1

05:00-12:05

1 stop7h 05m

$304

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sun 11/1

12:25-18:05

1 stop5h 40m

Porto

Thu 15/1

12:05-17:30

1 stop5h 25m

$305

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 12/2

12:25-18:00

1 stop5h 35m

Porto

Tue 17/2

16:00-21:35

1 stop5h 35m

$313

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 31/1

15:15-08:25

1 stop17h 10m

Porto

Mon 2/2

08:35-14:25

1 stop5h 50m

$314

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Fri 16/1

06:30-13:20

1 stop6h 50m

Porto

Sun 18/1

05:00-12:05

1 stop7h 05m

$319

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 8/1

13:40-19:00

1 stop5h 20m

Porto

Thu 15/1

11:15-17:30

1 stop6h 15m

$320

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 19/3

11:45-19:20

1 stop7h 35m

Porto

Sun 22/3

11:25-16:35

1 stop5h 10m

$328

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

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 $304. 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 $328.

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 $275. 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 $560.

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 $434 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 $334 on momondo.

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

As of December 2025, prices for London Heathrow Airport to Porto flights are approximately 6% 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

Fastest flight time	12h 10m
Direct flights	None

The fastest flight from London Heathrow Airport to Porto takes 12h 10m

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 4h 55m.
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 December 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 $557	Free cancellation	Rating 6.7 7,557 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 $115

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 16/3. 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

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Find the cheapest flights from London Heathrow Airport to Porto

Cheap return flights

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Cheap last-minute flights

Vueling flights from London Heathrow Airport to Porto

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

TAP AIR PORTUGAL flights from London Heathrow Airport to Porto

Our best TAP AIR PORTUGAL 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 typical price of a round-trip flight between London Heathrow Airport and Porto?

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 $275. 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 $560.

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 December 2025, prices for London Heathrow Airport to Porto flights are approximately 6% 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 and KLM 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

Fastest flight time

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