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

Vueling, Iberia, and Aegean Airlines are the most popular carriers operating from Portugal to London Heathrow

How many flights depart from Portugal to London Heathrow Airport on average per day?

The number of flights available between Portugal and London Heathrow Airport is 45 per day as of October 2025. The most frequent departure time is 15:00, with 43% of daily flights leaving at midday.

How long does it take to fly to London Heathrow Airport?

If you’re flying from a popular airport in Portugal, such as Faro or Lisbon, and flying into London Heathrow Airport, then you can expect flight times to average 2h 45m and 2h 45m, respectively.

How many flights depart from Portugal to London Heathrow Airport on average per week?

315 flights are operational weekly from Portugal to London Heathrow Airport as of October 2025. The most popular departure day for this route is Thu, with 25% of flights per week taking off on this day.

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

Prices for flights from Portugal to London Heathrow Airport were last updated today.

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

As of October 2025, there are 2 operators available to choose from for flights from Portugal to London Heathrow Airport.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portugal to London Heathrow Airport.

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

The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£48 Cheap Flights from Portugal to London Heathrow Airport in 2025/26

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Recent return flight deals from Portugal to London

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20:05 - 14:45OPO-LHR

18h 40m1 stop

18:50 - 08:10LHR-OPO

13h 20m1 stop

£108Vueling

Find Deal

Thu, 11 Dec - Mon, 15 Dec

21:05 - 18:00LIS-LHR

20h 55m1 stop

09:55 - 16:55LHR-LIS

7h 00m1 stop

£111Vueling

Find Deal

Wed, 26 Nov - Wed, 3 Dec

21:05 - 18:00LIS-LHR

20h 55m1 stop

09:55 - 08:30LHR-LIS

22h 35m1 stop

£113Vueling

Find Deal

Wed, 26 Nov - Tue, 2 Dec

15:55 - 18:40LIS-LHR

2h 45mdirect

12:00 - 14:55LHR-LIS

2h 55mdirect

£120British Airways

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Thu, 18 Dec - Tue, 6 Jan

20:55 - 14:45OPO-LHR

17h 50m1 stop

15:30 - 20:15LHR-OPO

4h 45m1 stop

£120Multiple Airlines

Find Deal

Thu, 6 Nov - Thu, 13 Nov

06:05 - 15:30FAO-LHR

9h 25m1 stop

13:40 - 23:50LHR-FAO

10h 10m1 stop

£122TAP AIR PORTUGAL

Find Deal

Thu, 11 Dec - Sun, 14 Dec

19:50 - 22:40LIS-LHR

2h 50mdirect

18:50 - 08:30LHR-LIS

13h 40m1 stop

£122Multiple Airlines

Find Deal

Mon, 8 Dec - Tue, 24 Feb

11:15 - 21:35FAO-LHR

10h 20m1 stop

08:15 - 23:50LHR-FAO

15h 35m1 stop

£123TAP AIR PORTUGAL

Find Deal

Fri, 12 Dec - Sun, 14 Dec

18:35 - 21:20LIS-LHR

2h 45mdirect

09:10 - 12:05LHR-LIS

2h 55mdirect

£123British Airways

Find Deal

Mon, 8 Dec - Tue, 24 Feb

17:30 - 17:55LIS-LHR

24h 25m1 stop

22:15 - 11:05LHR-LIS

12h 50m1 stop

£133Aegean Airlines

Find Deal

Sat, 6 Dec - Mon, 8 Dec

British Airways flights from Portugal to London Heathrow Airport

Our best British Airways deals on Portugal to London Heathrow Airport flight tickets

British Airways

18 Dec

LIS15:55Lisbon Humberto Delgado

2h 45m

LHR18:40London Heathrow

6 Jan

LHR12:00London Heathrow

2h 55m

LIS14:55Lisbon Humberto Delgado

£120

Find similar

British Airways

8 Dec

LIS18:35Lisbon Humberto Delgado

2h 45m

LHR21:20London Heathrow

24 Feb

LHR09:10London Heathrow

2h 55m

LIS12:05Lisbon Humberto Delgado

£123

Find similar

British Airways

6 Mar

LIS07:05Lisbon Humberto Delgado

3h 00m

LHR10:05London Heathrow

8 Mar

LHR09:15London Heathrow

2h 55m

LIS12:10Lisbon Humberto Delgado

£123

Find similar

TAP AIR PORTUGAL flights from Portugal to London Heathrow Airport

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

TAP AIR PORTUGAL

11 Dec

FAO06:05Faro

9h 25m

1 stop

LHR15:30London Heathrow

14 Dec

LHR13:40London Heathrow

10h 10m

1 stop

FAO23:50Faro

£122

Find similar

TAP AIR PORTUGAL

12 Dec

FAO11:15Faro

10h 20m

1 stop

LHR21:35London Heathrow

14 Dec

LHR08:15London Heathrow

15h 35m

1 stop

FAO23:50Faro

£123

Find similar

TAP AIR PORTUGAL

12 Dec

FAO11:15Faro

11h 25m

1 stop

LHR22:40London Heathrow

14 Dec

LHR18:30London Heathrow

15h 55m

1 stop

FAO10:25Faro

£123

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momondo Fare Finder

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

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Route

Depart

Return

Price

PortoLondon

OPO - LHR

OPOLHR

Porto

Thu 11/12

20:05-14:45

1 stop18h 40m

London Heathrow

Mon 15/12

18:50-08:10

1 stop13h 20m

£108

LisbonLondon

LIS - LHR

LISLHR

Lisbon Humberto Delgado

Wed 26/11

21:05-18:00

1 stop20h 55m

London Heathrow

Wed 3/12

09:55-16:55

1 stop7h 00m

£111

LisbonLondon

LIS - LHR

LISLHR

Lisbon Humberto Delgado

Wed 26/11

21:05-18:00

1 stop20h 55m

London Heathrow

Tue 2/12

09:55-08:30

1 stop22h 35m

£113

LisbonLondon

LIS - LHR

LISLHR

Lisbon Humberto Delgado

Thu 18/12

15:55-18:40

Nonstop2h 45m

London Heathrow

Tue 6/1

12:00-14:55

Nonstop2h 55m

£120

PortoLondon

OPO - LHR

OPOLHR

Porto

Thu 6/11

20:55-14:45

1 stop17h 50m

London Heathrow

Thu 13/11

15:30-20:15

1 stop4h 45m

£120

FaroLondon

FAO - LHR

FAOLHR

Faro

Thu 11/12

06:05-15:30

1 stop9h 25m

London Heathrow

Sun 14/12

13:40-23:50

1 stop10h 10m

£122

LisbonLondon

LIS - LHR

LISLHR

Lisbon Humberto Delgado

Mon 8/12

19:50-22:40

Nonstop2h 50m

London Heathrow

Tue 24/2

18:50-08:30

1 stop13h 40m

£122

FaroLondon

FAO - LHR

FAOLHR

Faro

Fri 12/12

11:15-21:35

1 stop10h 20m

London Heathrow

Sun 14/12

08:15-23:50

1 stop15h 35m

£123

LisbonLondon

LIS - LHR

LISLHR

Lisbon Humberto Delgado

Mon 8/12

18:35-21:20

Nonstop2h 45m

London Heathrow

Tue 24/2

09:10-12:05

Nonstop2h 55m

£123

LisbonLondon

LIS - LHR

LISLHR

Lisbon Humberto Delgado

Sat 6/12

17:30-17:55

1 stop24h 25m

London Heathrow

Mon 8/12

22:15-11:05

1 stop12h 50m

£133

Flights are sorted by cheapest return flights first.

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How to get the cheapest flight ticket from Portugal 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

Other information

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

In general, March is the cheapest month to fly from Portugal to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £120. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Portugal averaging around £122.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Portugal is on a Saturday. momondo users have found tickets for Saturday departures for as low as £163. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Monday is £274.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is at midday. momondo users have found flights departing from Portugal to London Heathrow Airport at midday for as low as £152. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £235 on average. Flights to London Heathrow Airport from Portugal in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Portugal to London Heathrow flight route?

Fly from Lisbon Humberto Delgado to London Heathrow for the best Portugal - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Portugal when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £173 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Portugal for as low as £123 on momondo.

What cabin class options are available on Portugal to London Heathrow flights?

There are 3 cabin classes available to choose from on Portugal to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Portugal to London Heathrow Airport flight deals and tips

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

Best price found	£79
Fastest flight time	2h 45m
Direct flights	Every day

The best one-way flight to London Heathrow Airport from Portugal in the past 72 hours is £79. The best return flight deal from Portugal to London Heathrow Airport found on momondo in the last 72 hours is £165.

The fastest flight from Portugal to London Heathrow Airport takes 2h 45m

Direct flights go from Portugal to London Heathrow Airport every day.

Search flight deals

When did momondo last update prices for flights from Portugal to London Heathrow Airport?
Prices for flights from Portugal to London Heathrow Airport were last updated today.
How many operators does momondo search for flights from Portugal to London Heathrow Airport?
As of October 2025, there are 2 operators available to choose from for flights from Portugal to London Heathrow Airport.
How old do you have to be to fly from Portugal to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portugal to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Portugal to London Heathrow Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Portugal to London Heathrow Airport is Airbus A320neo (18.45% of total bookings). The next most popular plane models are Airbus A320-100/200 (17.79%), Airbus A321neo (15.69%), and Airbus A319 (14.19%).

Best airlines flying from Portugal to London Heathrow Airport

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

Airline	Rating	Free Cancellation	Price
TAP AIR PORTUGAL	PriceFrom £99	Free Cancellation	Rating 7.1 2,015 reviews		Search TAP AIR PORTUGAL flights
British Airways	PriceFrom £113	Free Cancellation	Rating 6.7 7,456 reviews		Search British Airways flights

Eastbourne

Milton Keynes

Luton

Gatwick

Maidstone

Northampton

Slough

Swindon

Canterbury

Stratford-upon-Avon

Southend-on-Sea

Ipswich

Ilford

Guildford

Poole

Swanage

Colchester

Dover

Hayes

Chelmsford

Why use momondo?

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

It is quick and easy to find Portugal to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

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

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

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

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

Price alerts on flights to London from Portugal are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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.

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Cheap flights from Portugal to London from £48

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portugal to London departing on 25/11. 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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Find the cheapest flights from Portugal to London

Recent return flight deals from Portugal to London

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British Airways flights from Portugal to London Heathrow Airport

Our best British Airways deals on Portugal to London Heathrow Airport flight tickets

TAP AIR PORTUGAL flights from Portugal to London Heathrow Airport

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

momondo Fare Finder

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

See travel insights to London from

How to get the cheapest flight ticket from Portugal 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

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

What is the cheapest day to depart on your flight to London Heathrow Airport?

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

What is the cheapest Portugal to London Heathrow flight route?

Fly from Lisbon Humberto Delgado to London Heathrow for the best Portugal - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

What cabin class options are available on Portugal to London Heathrow flights?

There are 3 cabin classes available to choose from on Portugal to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

Vueling, Iberia, and Aegean Airlines are the most popular carriers operating from Portugal to London Heathrow

How many flights depart from Portugal to London Heathrow Airport on average per day?

The number of flights available between Portugal and London Heathrow Airport is 45 per day as of October 2025. The most frequent departure time is 15:00, with 43% of daily flights leaving at midday.

How many flights depart from Portugal to London Heathrow Airport on average per week?

315 flights are operational weekly from Portugal to London Heathrow Airport as of October 2025. The most popular departure day for this route is Thu, with 25% of flights per week taking off on this day.

How long does it take to fly to London Heathrow Airport?

If you’re flying from a popular airport in Portugal, such as Faro or Lisbon, and flying into London Heathrow Airport, then you can expect flight times to average 2h 45m and 2h 45m, respectively.

Cheap Portugal to London Heathrow Airport flight deals and tips

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

Best price found

Fastest flight time

Direct flights

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

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

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

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

What is the most popular plane model from Portugal to London Heathrow Airport?

Best airlines flying from Portugal to London Heathrow Airport

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

Travelling to a place near London?

Why use momondo?

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

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

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

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

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

Popular flights according to clicks in the last 7 days on momondo