What are the cheapest airlines to fly from Portugal to London Heathrow Airport one-way?

For one-way options, check prices for Vueling. According to our data, you can fly for as low as £42. Users have also found prices from £51 and £66 on British Airways and TAP AIR PORTUGAL, respectively.

What are the most popular routes from Portugal to London Heathrow Airport?

The most popular route from Portugal to London Heathrow Airport is Lisbon Humberto Delgado - London Heathrow. You may also consider Porto - London Heathrow or Faro - London Heathrow.

What are the cheapest flights from Portugal to London Heathrow Airport?

On average you can expect to pay £537 for a flight from Portugal to London Heathrow Airport. The cheapest flight overall is £67 while the most popular route, (Lisbon Humberto Delgado - London Heathrow) is currently priced at £104.

What are the most reliable airlines from Portugal to London Heathrow Airport?

No one likes to see their flight delayed. When booking a flight from Portugal to London Heathrow Airport consider choosing Cathay Pacific (76%), American Airlines (75%) or JetBlue (74%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Portugal to London Heathrow Airport?

British Airways, TAP AIR PORTUGAL and easyJet are the most popular airlines when flying from Portugal to London Heathrow Airport.

What is the cheapest day to fly round-trip from Portugal to London Heathrow Airport?

Sunday flights are found to be more expensive to fly from Portugal to London Heathrow Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London Heathrow Airport.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 60 days in advance, which can save you up to 60% on flights from Portugal to London Heathrow Airport compared to booking the week you need them. Waiting 60 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £34. For sooner than that we have options available in the next 3 days from £98.

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

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, March can be a great choice for travel to London Heathrow Airport. Flights to London Heathrow Airport from Portugal in March are about £74 on average during March, but can be found for as low as £14.

Can I find deals for flights from Portugal to Heathrow that include hotel bookings?

Yes. In addition to deals on Portugal to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Portugal to Heathrow?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portugal to Heathrow.

Can I find deals for business class flights from Portugal to Heathrow?

Yes. Cheapflights offers flight deals from Portugal to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£151+ Flights from Portugal to London Heathrow Airport

Cheap flight deals from Portugal to Heathrow

Round-trip from	£104
One-way from	£42
Popular in	August
Cheapest in	March
Average price	£76
Good round-trip deal	£125 or less
Good one-way deal	£80 or less

TAP AIR PORTUGAL
17/9-20/9
Nonstop
5h 30m total
Portugal to London

Search Deals

Vueling
20/5
1 total stop
18h 30m total
Portugal to London

Search Deals

Highest demand for flights based on searches. 27% potential increase in price (£20 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease (£4 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Price to beat on a round-trip flight from Portugal to London Heathrow.

Search Deals

Price to beat on a one-way flight from Portugal to London Heathrow.

Search Deals

Find flight deals from Portugal to Heathrow

Cheapest flights from Portugal to Heathrow
Explore the most affordable flight options available from Portugal to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 April 2025.

Tue 4/1119:50LIS - LHR

Nonstop2h 50mTAP AIR PORTUGAL

Sat 8/1119:55LHR - LIS

Nonstop2h 45mTAP AIR PORTUGAL

Deal found 13/4£103

Sat 6/1212:55LIS - LHR

Nonstop2h 50mBritish Airways

Wed 10/1206:55LHR - LIS

Nonstop2h 55mBritish Airways

Deal found 15/4£104

Fri 16/519:50FAO - LHR

Nonstop2h 45mBritish Airways

Sun 18/507:15LHR - FAO

Nonstop2h 55mBritish Airways

Deal found 15/4£108

Tue 7/1018:15FAO - LHR

1 stop4h 40mTAP AIR PORTUGAL

Tue 14/1006:00LHR - FAO

1 stop17h 50mTAP AIR PORTUGAL

Deal found 15/4£112

Tue 13/522:00OPO - LHR

1 stop11h 10mVueling

Sat 31/520:50LHR - OPO

1 stop11h 10mVueling

Deal found 14/4£128

Sat 6/1212:55LIS - LHR

Nonstop2h 50mMultiple Airlines

Wed 10/1209:55LHR - LIS

1 stop6h 40mMultiple Airlines

Deal found 15/4£136

Sat 10/520:00FAO - LHR

Nonstop2h 45mMultiple Airlines

Tue 13/520:50LHR - FAO

1 stop10h 30mMultiple Airlines

Deal found 15/4£141

Thu 22/506:15OPO - LHR

1 stop24h 25mMultiple Airlines

Sat 31/520:50LHR - OPO

1 stop11h 10mMultiple Airlines

Deal found 14/4£141

Wed 14/518:55FAO - LHR

1 stop13h 00mSWISS

Sat 17/508:45LHR - FAO

1 stop9h 40mSWISS

Deal found 15/4£149

Tue 13/515:35LIS - LHR

1 stop6h 10mSWISS

Tue 20/517:10LHR - LIS

1 stop6h 10mSWISS

Deal found 15/4£153

Wed 17/922:00OPO - LHR

1 stop24h 25mIberia

Tue 23/920:00LHR - OPO

1 stop11h 35mIberia

Deal found 15/4£156

Tue 13/510:45PDL - LHR

1 stop10h 15mTAP AIR PORTUGAL

Tue 27/519:50LHR - PDL

1 stop14h 55mTAP AIR PORTUGAL

Deal found 15/4£157

Best flights from Portugal to Heathrow
Discover carefully curated flight deals from Portugal to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 April 2025.

Wed 17/907:35LIS - LHR

Nonstop2h 45mTAP AIR PORTUGAL

Sat 20/919:50LHR - LIS

Nonstop2h 45mTAP AIR PORTUGAL

Deal found 15/4£104

Fri 16/519:50FAO - LHR

Nonstop2h 45mBritish Airways

Sun 18/507:15LHR - FAO

Nonstop2h 55mBritish Airways

Deal found 15/4£108

Tue 13/522:00OPO - LHR

1 stop11h 10mVueling

Sat 31/520:50LHR - OPO

1 stop11h 10mVueling

Deal found 15/4£129

Sat 10/520:00FAO - LHR

Nonstop2h 45mMultiple Airlines

Tue 13/520:50LHR - FAO

1 stop10h 30mMultiple Airlines

Deal found 15/4£141

Wed 14/518:55FAO - LHR

1 stop13h 00mSWISS

Sat 17/508:45LHR - FAO

1 stop9h 40mSWISS

Deal found 15/4£149

Wed 17/922:00OPO - LHR

1 stop24h 25mIberia

Tue 23/920:00LHR - OPO

1 stop11h 35mIberia

Deal found 15/4£156

Sat 21/618:55OPO - LHR

1 stop12h 45mKLM

Wed 25/609:55LHR - OPO

1 stop9h 20mKLM

Deal found 15/4£164

Wed 28/506:15LIS - LHR

1 stop6h 35mLufthansa

Mon 16/609:30LHR - LIS

1 stop14h 00mLufthansa

Deal found 14/4£191

Mon 28/412:10FAO - LHR

1 stop8h 45mBrussels Airlines

Wed 18/606:50LHR - FAO

1 stop7h 00mBrussels Airlines

Deal found 14/4£200

Tue 7/1018:15FAO - LHR

1 stop4h 40mTAP AIR PORTUGAL

Tue 14/1006:00LHR - FAO

1 stop17h 50mTAP AIR PORTUGAL

Deal found 15/4£112

Sun 15/606:35OPO - LHR

1 stop7h 10mAir France

Thu 19/619:45LHR - OPO

1 stop12h 40mAir France

Deal found 15/4£256

Thu 1/522:00OPO - LHR

1 stop11h 10mMultiple Airlines

Thu 8/515:30LHR - OPO

1 stop4h 55mMultiple Airlines

Deal found 15/4£143

Direct flights from Portugal to Heathrow
Explore direct flight options from Portugal to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 16 April 2025.

Wed 17/907:35LIS - LHR

Nonstop2h 45mTAP AIR PORTUGAL

Sat 20/919:50LHR - LIS

Nonstop2h 45mTAP AIR PORTUGAL

Deal found 15/4£104

Fri 16/519:50FAO - LHR

Nonstop2h 45mBritish Airways

Sun 18/507:15LHR - FAO

Nonstop2h 55mBritish Airways

Deal found 15/4£108

Fri 2/518:55LIS - LHR

Nonstop2h 45mBritish Airways

Mon 5/507:15LHR - LIS

Nonstop2h 50mBritish Airways

Deal found 15/4£195

Thu 5/607:20LIS - LHR

Nonstop3h 00mMultiple Airlines

Mon 9/606:00LHR - LIS

Nonstop2h 45mMultiple Airlines

Deal found 14/4£200

Sat 26/416:25PDL - LHR

Nonstop3h 50mBritish Airways

Sat 3/512:25LHR - PDL

Nonstop4h 05mBritish Airways

Deal found 15/4£402

Last-minute flights from Portugal to Heathrow
Discover last-minute flight deals from Portugal to Heathrow. Data last updated 16 April 2025 and is based on user searches.

Tue 22/404:05FNC - LHR

1 stop17h 55mTAP AIR PORTUGAL

Tue 29/419:50LHR - FNC

1 stop12h 45mTAP AIR PORTUGAL

Deal found 15/4£260

Wed 23/422:00OPO - LHR

1 stop11h 10mMultiple Airlines

Sun 27/406:00LHR - OPO

1 stop11h 00mMultiple Airlines

Deal found 15/4£220

Wed 23/422:05LIS - LHR

1 stop11h 05mIberia

Fri 25/420:50LHR - LIS

1 stop11h 40mIberia

Deal found 15/4£253

Thu 24/416:50FAO - LHR

1 stop26h 30mSWISS

Thu 1/517:10LHR - FAO

1 stop25h 05mSWISS

Deal found 15/4£196

Thu 24/422:10LIS - LHR

1 stop11h 00mMultiple Airlines

Wed 18/606:00LHR - LIS

Nonstop2h 45mMultiple Airlines

Deal found 15/4£198

Fri 25/419:55LIS - LHR

1 stop25h 40mBrussels Airlines

Mon 28/417:50LHR - LIS

1 stop25h 10mBrussels Airlines

Deal found 14/4£215

Fri 25/420:10LIS - LHR

Nonstop2h 45mTAP AIR PORTUGAL

Tue 29/419:50LHR - LIS

Nonstop2h 45mTAP AIR PORTUGAL

Deal found 14/4£224

Fri 25/412:10FAO - LHR

1 stop8h 45mBrussels Airlines

Wed 30/407:45LHR - FAO

1 stop6h 05mBrussels Airlines

Deal found 15/4£228

Fri 25/421:15LIS - LHR

1 stop11h 55mVueling

Mon 28/420:50LHR - LIS

1 stop11h 40mVueling

Deal found 15/4£238

Fri 25/419:50FAO - LHR

Nonstop2h 45mBritish Airways

Mon 28/407:25LHR - FAO

Nonstop2h 55mBritish Airways

Deal found 15/4£251

Fri 25/416:30LIS - LHR

Nonstop2h 45mBritish Airways

Sun 27/407:15LHR - LIS

Nonstop2h 50mBritish Airways

Deal found 14/4£271

Sat 26/408:40OPO - LHR

1 stop12h 00mIberia

Mon 28/420:50LHR - OPO

1 stop11h 10mIberia

Deal found 15/4£223

One-way flights from Portugal to Heathrow
Search for one-way flight options from Portugal to Heathrow. Find affordable one-way fares based on user searches. Data last updated 16 April 2025.

Tue 20/520:15OPO - LHR

1 stop18h 30mVueling

Deal found 15/4£42

Wed 2/706:45OPO - LHR

1 stop7h 30mMultiple Airlines

Deal found 15/4£50

Fri 16/519:50FAO - LHR

Nonstop2h 45mBritish Airways

Deal found 15/4£51

Tue 6/516:20LIS - LHR

1 stop22h 25mVueling

Deal found 14/4£61

Thu 24/719:15LIS - LHR

Nonstop2h 45mTAP AIR PORTUGAL

Deal found 14/4£66

Wed 14/522:00OPO - LHR

1 stop11h 10mIberia

Deal found 15/4£69

Wed 18/606:05FAO - LHR

1 stop8h 10mMultiple Airlines

Deal found 15/4£71

Thu 5/618:10FAO - LHR

1 stop4h 45mTAP AIR PORTUGAL

Deal found 15/4£72

Thu 8/505:55LIS - LHR

1 stop7h 05mSWISS

Deal found 14/4£73

Wed 7/518:55FAO - LHR

1 stop13h 00mSWISS

Deal found 15/4£78

Wed 21/506:15OPO - LHR

1 stop10h 00mKLM

Deal found 16/4£78

Fri 23/519:20OPO - LHR

1 stop26h 25mSWISS

Deal found 16/4£79

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LisbonLondon

LIS - LHR

LISLHR

Lisbon Humberto Delgado

Wed 17/9

07:35-10:20

Nonstop2h 45m

London Heathrow

Sat 20/9

19:50-22:35

Nonstop2h 45m

£104

FaroLondon

FAO - LHR

FAOLHR

Faro

Fri 16/5

19:50-22:35

Nonstop2h 45m

London Heathrow

Sun 18/5

07:15-10:10

Nonstop2h 55m

£108

FaroLondon

FAO - LHR

FAOLHR

Faro

Tue 7/10

18:15-22:55

1 stop4h 40m

London Heathrow

Tue 14/10

06:00-23:50

1 stop17h 50m

£112

PortoLondon

OPO - LHR

OPOLHR

Porto

Tue 13/5

22:00-09:10

1 stop11h 10m

London Heathrow

Sat 31/5

20:50-08:00

1 stop11h 10m

£129

FaroLondon

FAO - LHR

FAOLHR

Faro

Sat 10/5

20:00-22:45

Nonstop2h 45m

London Heathrow

Tue 13/5

20:50-07:20

1 stop10h 30m

£141

PortoLondon

OPO - LHR

OPOLHR

Porto

Thu 1/5

22:00-09:10

1 stop11h 10m

London Heathrow

Thu 8/5

15:30-20:25

1 stop4h 55m

£143

FaroLondon

FAO - LHR

FAOLHR

Faro

Wed 14/5

18:55-07:55

1 stop13h 00m

London Heathrow

Sat 17/5

08:45-18:25

1 stop9h 40m

£149

PortoLondon

OPO - LHR

OPOLHR

Porto

Wed 6/8

11:00-22:55

1 stop11h 55m

London Heathrow

Wed 27/8

06:00-14:20

1 stop8h 20m

£151

LisbonLondon

LIS - LHR

LISLHR

Lisbon Humberto Delgado

Tue 13/5

15:35-21:45

1 stop6h 10m

London Heathrow

Tue 20/5

17:10-23:20

1 stop6h 10m

£153

LisbonLondon

LIS - LHR

LISLHR

Lisbon Humberto Delgado

Tue 13/5

16:20-14:45

1 stop22h 25m

London Heathrow

Tue 20/5

15:05-23:05

1 stop8h 00m

£155

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 60 results

...

Best time to book a flight from Portugal to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Portugal with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portugal to London Heathrow Airport

What is the cheapest month to book a flight from Portugal to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Portugal to London Heathrow Airport (average of £112). Flying from Portugal to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PT to LHR?

A simple way to save on the total cost of your ticket is to fly from Portugal to London Heathrow Airport in the evening. If you’re flexible enough to do this you can expect to save up to 52% on your trip compared to booking a flight at midday.

What is the cheapest day to fly from Portugal to London Heathrow Airport?

Travellers seeking maximum savings on their Portugal to London Heathrow Airport flight should consider departing on Friday at midday when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Portugal to London Heathrow Airport

The most flights from PT0 to LHR are scheduled on a Tuesday (66 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (17 on average).

Rainfall in Heathrow by month

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

To help decide which airline to fly from Portugal to London, see what other customers have to say about Aegean Airlines, Emirates and KLM. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Aegean Airlines

8.1

Very Good

733 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Aegean Airlines

8.1

Very Good

733 reviews

Aegean Airlines

8.1

Very Good

733 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Emirates

8.0

Very Good

3,200 reviews

Aegean Airlines

8.1

Very Good

733 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

KLM

7.8

Good

1,323 reviews

Aegean Airlines

8.1

Very Good

733 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

LOT

7.6

Good

1,065 reviews

Aegean Airlines

8.1

Very Good

733 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Azores Airlines

7.5

Good

65 reviews

Aegean Airlines

8.1

Very Good

733 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Related info for your journey

What are the cheapest airlines to fly from Portugal to London Heathrow Airport one-way?
For one-way options, check prices for Vueling. According to our data, you can fly for as low as £42. Users have also found prices from £51 and £66 on British Airways and TAP AIR PORTUGAL, respectively.
What are the most popular routes from Portugal to London Heathrow Airport?
The most popular route from Portugal to London Heathrow Airport is Lisbon Humberto Delgado - London Heathrow. You may also consider Porto - London Heathrow or Faro - London Heathrow.
What are the most reliable airlines from Portugal to London Heathrow Airport?
No one likes to see their flight delayed. When booking a flight from Portugal to London Heathrow Airport consider choosing Cathay Pacific (76%), American Airlines (75%) or JetBlue (74%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Portugal to London Heathrow Airport?
On average you can expect to pay £537 for a flight from Portugal to London Heathrow Airport. The cheapest flight overall is £67 while the most popular route, (Lisbon Humberto Delgado - London Heathrow) is currently priced at £104.
Can I find deals for flights from Portugal to Heathrow that include hotel bookings?
Yes. In addition to deals on Portugal to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Portugal to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portugal to Heathrow.
Can I find deals for business class flights from Portugal to Heathrow?
Yes. Cheapflights offers flight deals from Portugal to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Portugal to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Portugal to London Heathrow Airport (average of £112). Flying from Portugal to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Hounslow

Deal

Milton Keynes

Gatwick

Luton

Slough

Croydon

Eastbourne

Wembley

Northampton

Hayes

Crawley

Southend-on-Sea

Maidstone

Swindon

Ipswich

Southall

Ilford

Winchester

Folkestone

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Portugal to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
easyJet	Cheapest£50	Average£171	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
TAP AIR PORTUGAL	Cheapest£90	Average£193	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
British Airways	Cheapest£113	Average£232	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from Portugal to Heathrow?

Cheapflights makes it easy to find Portugal to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Portugal to Heathrow?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Portugal.

Can Cheapflights find flights from Portugal to Heathrow with no change fees?

Yes, we can. To see specific flights from Portugal to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Portugal to Heathrow become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Portugal today and book when prices fit your budget.

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Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Portugal to London Heathrow Airport from £42

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/5. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Portugal to Heathrow

Keep the following information in mind while searching for Portugal to Heathrow flight deals. Data was last updated 16 April 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Portugal to Heathrow

Cheapest flights from Portugal to HeathrowExplore the most affordable flight options available from Portugal to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 April 2025.

Explore the most affordable flight options available from Portugal to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 April 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Portugal to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Portugal with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Portugal to London Heathrow Airport

What is the cheapest month to book a flight from Portugal to London Heathrow Airport?

What is the cheapest time of day to fly from PT to LHR?

Find hourly flight availability from Portugal to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 April 2025.

What is the cheapest day to fly from Portugal to London Heathrow Airport?

Use this chart to determine the cheapest time to fly return from Portugal to Heathrow. Price data was last updated on 30 March 2025.

Weekly flight availability from Portugal to London Heathrow Airport

Explore weekly flight availability from Portugal to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 16 April 2025.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

Reviews of airlines servicing Heathrow

To help decide which airline to fly from Portugal to London, see what other customers have to say about Aegean Airlines, Emirates and KLM. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Portugal to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from Portugal to London Heathrow Airport one-way?

What are the most popular routes from Portugal to London Heathrow Airport?

What are the most reliable airlines from Portugal to London Heathrow Airport?

What are the cheapest flights from Portugal to London Heathrow Airport?

Can I find deals for flights from Portugal to Heathrow that include hotel bookings?

How can I find direct flights from Portugal to Heathrow?

Can I find deals for business class flights from Portugal to Heathrow?

What is the cheapest month to book a flight from Portugal to London Heathrow Airport?

Travelling to a place near Portugal?

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Alternative routes for Portugal to Heathrow

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Top 3 airlines flying from Portugal to Heathrow

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Cheapest flights from Portugal to Heathrow
Explore the most affordable flight options available from Portugal to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 April 2025.