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

Vueling and Iberia are the most popular carriers operating from London Heathrow to Porto

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

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

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 in the morning have, in the past, seen delays more frequently in comparison.

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

According to our data, British Airways have had the least number of 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?

As of December 2025, there is 1 operator available to choose from 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?

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 layovers. 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 required travel and health documents for your Porto Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Porto Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$89 Cheap Flights from London Heathrow Airport to Porto in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from London Heathrow Airport to Porto

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:15 am - 3:20 pm

LHR

OPO

7h 05m1 stop

12:00 pm - 9:35 pm

OPO

LHR

9h 35m1 stop

$173TAP AIR PORTUGAL

Mon, Feb 9 - Tue, Feb 10

6:30 pm - 11:05 am

LHR

OPO

16h 35m1 stop

10:55 am - 5:30 pm

OPO

LHR

6h 35m1 stop

$181TAP AIR PORTUGAL

Wed, Jan 28 - Wed, Feb 4

8:15 am - 3:00 pm

LHR

OPO

6h 45m1 stop

2:00 pm - 10:40 pm

OPO

LHR

8h 40m1 stop

$182TAP AIR PORTUGAL

Tue, Jan 13 - Tue, Jan 20

1:40 pm - 6:55 pm

LHR

OPO

5h 15m1 stop

12:00 pm - 9:35 pm

OPO

LHR

9h 35m1 stop

$186TAP AIR PORTUGAL

Sun, Jan 4 - Wed, Jan 7

6:00 am - 1:00 pm

LHR

OPO

7h 00m1 stop

12:05 pm - 5:30 pm

OPO

LHR

5h 25m1 stop

$194TAP AIR PORTUGAL

Mon, Jan 12 - Thu, Jan 22

6:00 am - 2:00 pm

LHR

OPO

8h 00m1 stop

2:00 pm - 10:40 pm

OPO

LHR

8h 40m1 stop

$195TAP AIR PORTUGAL

Sun, Jan 4 - Thu, Jan 8

8:25 pm - 10:30 am

LHR

OPO

14h 05m1 stop

5:00 am - 4:05 pm

OPO

LHR

11h 05m1 stop

$200KLM

Mon, Mar 2 - Mon, Mar 16

6:30 am - 3:25 pm

LHR

OPO

8h 55m1 stop

11:15 am - 8:50 pm

OPO

LHR

9h 35m1 stop

$201KLM

Sat, Jan 17 - Mon, Jan 19

6:30 am - 3:25 pm

LHR

OPO

8h 55m1 stop

6:30 am - 4:05 pm

OPO

LHR

9h 35m1 stop

$202KLM

Sat, Jan 17 - Mon, Jan 19

6:00 am - 3:00 pm

LHR

OPO

9h 00m1 stop

12:00 pm - 6:55 pm

OPO

LHR

6h 55m1 stop

$203TAP AIR PORTUGAL

Tue, Jan 20 - Fri, Jan 23

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

Feb 9

LHR8:15 amLondon Heathrow

7h 05m

1 stop

OPO3:20 pmPorto

Feb 10

OPO12:00 pmPorto

9h 35m

1 stop

LHR9:35 pmLondon Heathrow

$173

Find similar

TAP AIR PORTUGAL

Jan 28

LHR6:30 pmLondon Heathrow

16h 35m

1 stop

OPO11:05 amPorto

Feb 4

OPO10:55 amPorto

6h 35m

1 stop

LHR5:30 pmLondon Heathrow

$181

Find similar

TAP AIR PORTUGAL

Jan 13

LHR8:15 amLondon Heathrow

6h 45m

1 stop

OPO3:00 pmPorto

Jan 20

OPO2:00 pmPorto

8h 40m

1 stop

LHR10:40 pmLondon Heathrow

$182

Find similar

KLM flights from London Heathrow Airport to Porto

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

KLM

Mar 2

LHR8:25 pmLondon Heathrow

14h 05m

1 stop

OPO10:30 amPorto

Mar 16

OPO5:00 amPorto

5h 45m

1 stop

LHR10:45 amLondon Heathrow

$200

Find similar

KLM

Jan 17

LHR6:30 amLondon Heathrow

8h 55m

1 stop

OPO3:25 pmPorto

Jan 19

OPO11:15 amPorto

9h 35m

1 stop

LHR8:50 pmLondon Heathrow

$201

Find similar

KLM

Jan 17

LHR6:30 amLondon Heathrow

8h 55m

1 stop

OPO3:25 pmPorto

Jan 19

OPO6:30 amPorto

9h 35m

1 stop

LHR4:05 pmLondon Heathrow

$202

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

Mon 2/9

8:15 am-3:20 pm

1 stop7h 05m

Porto

Tue 2/10

12:00 pm-9:35 pm

1 stop9h 35m

$173

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 1/28

6:30 pm-11:05 am

1 stop16h 35m

Porto

Wed 2/4

10:55 am-5:30 pm

1 stop6h 35m

$181

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 1/13

8:15 am-3:00 pm

1 stop6h 45m

Porto

Tue 1/20

2:00 pm-10:40 pm

1 stop8h 40m

$182

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sun 1/4

1:40 pm-6:55 pm

1 stop5h 15m

Porto

Wed 1/7

12:00 pm-9:35 pm

1 stop9h 35m

$186

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 1/12

6:00 am-1:00 pm

1 stop7h 00m

Porto

Thu 1/22

12:05 pm-5:30 pm

1 stop5h 25m

$194

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sun 1/4

6:00 am-2:00 pm

1 stop8h 00m

Porto

Thu 1/8

2:00 pm-10:40 pm

1 stop8h 40m

$195

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 3/2

8:25 pm-10:30 am

1 stop14h 05m

Porto

Mon 3/16

5:00 am-4:05 pm

1 stop11h 05m

$200

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 1/17

6:30 am-3:25 pm

1 stop8h 55m

Porto

Mon 1/19

11:15 am-8:50 pm

1 stop9h 35m

$201

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 1/17

6:30 am-3:25 pm

1 stop8h 55m

Porto

Mon 1/19

6:30 am-4:05 pm

1 stop9h 35m

$202

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 1/20

6:00 am-3:00 pm

1 stop9h 00m

Porto

Fri 1/23

12:00 pm-6:55 pm

1 stop6h 55m

$203

Flights are sorted by cheapest round-trip 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?

The month of January is, on average, the cheapest month to fly to Porto from London Heathrow Airport, with most prices found around $199. If you aren’t able to travel during the month of January, then book flights to Porto from London Heathrow Airport during November instead. Flights to Porto in November, while not as cheap as those in January, still average around $218.

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

The cheapest day to depart on your flight to Porto is on a Tuesday when prices can be found for as low as $197. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $255. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

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

At noon is the cheapest time of day to fly from London Heathrow Airport to Porto when you can find flight prices for as low as $142. Flying to Porto at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $294 on average. Flights to Porto from London Heathrow Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $285 when searching weeks out. 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 $217 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 round-trip 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	7h 15m
Direct flights	None

The fastest flight from London Heathrow Airport to Porto takes 7h 15m

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 810.6 mi between London Heathrow and Porto. 7h 15m is a normal flight duration for this route.
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?
As of December 2025, there is 1 operator available to choose from 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?
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 layovers. 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 required travel and health documents for your Porto Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Porto Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from London Heathrow Airport to Porto?
Based on momondo bookings for flights between London Heathrow Airport and Porto, the leading airline is TAP AIR PORTUGAL, making up 100% of the 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
TAP AIR PORTUGAL	PriceFrom $168	Free Cancellation	Rating 7.2 2,089 reviews		Search TAP AIR PORTUGAL flights

Vila Nova de Gaia

Coimbra

Braga

Aveiro

Matosinhos

Guimarães

Esposende

Lamego

Chaves

Viseu

Espinho

Ponte de Lima

Arcos de Valdevez

Pinhao

Curia

Penafiel

Mesao Frio

Mira

Baiao

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Porto. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for London to Porto flights to just show those with flexible booking policies.

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

Once you have performed a search for London to Porto flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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

An easier way to manage your Porto trip

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

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Wed 1/14

Wed 1/21

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal

Airports servicing Portugal

Faro Airport

Lisbon Humberto Delgado Airport

Azores Airport

Madeira Airport

Algarve Airport

Fly to other destinations from London Heathrow Airport

Flights from London Heathrow to New York John F Kennedy Intl

Flights from London Heathrow to Minneapolis St Paul

Flights from London Heathrow to Los Angeles

Flights from London Heathrow to Detroit Metropolitan Wayne County

Flights from London Heathrow to Washington, D.C. Dulles Intl

Flights from London Heathrow to Boston Logan Intl

Cheap flights from London Heathrow Airport to Porto from $92

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 1/13. 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 and deals

Big names and 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 round-trip 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

What is the cheapest month to fly to Porto?

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

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

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 Iberia 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 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 which experiences the fewest number of 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 least number of 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

Traveling 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, organize 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