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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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — LHR
26 Jan — 2 Feb1
1 adult

Cheap flight deals from Portugal to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Portugal (PT0) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 January 2025.

Round-trip from

£83

One-way from

£42
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 18/3-30/3
  • 2 total stops
  • 16h 10m total
  • Portugal to London
Search Deals
Vueling
  • Vueling
  • 10/3
  • 1 total stop
  • 11h 15m total
  • Portugal to London
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 21 January 2025.

Tue 18/316:35FAO - LHR
1 stop6h 05mTAP AIR PORTUGAL
Sun 30/313:45LHR - FAO
1 stop10h 05mTAP AIR PORTUGAL
Deal found 20/1£83
Fri 7/319:50LIS - LHR
Nonstop2h 50mTAP AIR PORTUGAL
Tue 18/308:15LHR - LIS
Nonstop2h 45mTAP AIR PORTUGAL
Deal found 20/1£91
Wed 12/308:35OPO - LHR
1 stop11h 30mVueling
Wed 19/309:55LHR - OPO
1 stop11h 25mVueling
Deal found 20/1£100
Wed 19/213:55LIS - LHR
1 stop6h 10mVueling
Wed 26/220:50LHR - LIS
1 stop11h 40mVueling
Deal found 20/1£106
Sat 8/309:45OPO - LHR
1 stop4h 40mMultiple Airlines
Sat 15/320:50LHR - OPO
1 stop11h 10mMultiple Airlines
Deal found 20/1£108
Tue 4/222:05LIS - LHR
1 stop11h 05mMultiple Airlines
Thu 6/209:55LHR - LIS
1 stop8h 15mMultiple Airlines
Deal found 20/1£109
Fri 28/1118:45LIS - LHR
Nonstop2h 45mBritish Airways
Mon 1/1214:50LHR - LIS
Nonstop2h 55mBritish Airways
Deal found 20/1£112
Wed 5/316:05OPO - LHR
1 stop5h 30mTAP AIR PORTUGAL
Wed 12/308:15LHR - OPO
1 stop8h 45mTAP AIR PORTUGAL
Deal found 19/1£123
Sun 30/319:10FAO - LHR
Nonstop2h 45mBritish Airways
Tue 1/407:25LHR - FAO
Nonstop2h 55mBritish Airways
Deal found 20/1£130
Wed 5/304:20FNC - LHR
1 stop14h 35mTAP AIR PORTUGAL
Wed 12/308:15LHR - FNC
1 stop16h 45mTAP AIR PORTUGAL
Deal found 20/1£140
Sat 8/308:20OPO - LHR
1 stop8h 55mIberia
Sun 16/306:20LHR - OPO
1 stop5h 25mIberia
Deal found 18/1£144
Mon 17/221:50FAO - LHR
2 stops35h 20mMultiple Airlines
Mon 24/215:15LHR - FAO
1 stop8h 10mMultiple Airlines
Deal found 20/1£147

Find flights from Portugal to Heathrow within your budget

Customise your flight search to find flights from Portugal to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

FaroLondon

FAO - LHR

FAOLHR

Faro

Tue 18/3

16:35-22:40

1 stop6h 05m

London Heathrow

Sun 30/3

13:45-23:50

1 stop10h 05m

£83

LisbonLondon

LIS - LHR

LISLHR

Lisbon Humberto Delgado

Fri 7/3

19:50-22:40

Nonstop2h 50m

London Heathrow

Tue 18/3

08:15-11:00

Nonstop2h 45m

£91

LisbonLondon

LIS - LHR

LISLHR

Lisbon Humberto Delgado

Mon 17/2

22:05-09:10

1 stop11h 05m

London Heathrow

Mon 24/2

20:50-08:30

1 stop11h 40m

£96

PortoLondon

OPO - LHR

OPOLHR

Porto

Wed 12/3

08:35-20:05

1 stop11h 30m

London Heathrow

Wed 19/3

09:55-21:20

1 stop11h 25m

£100

PortoLondon

OPO - LHR

OPOLHR

Porto

Sat 8/3

09:45-14:25

1 stop4h 40m

London Heathrow

Sat 15/3

20:50-08:00

1 stop11h 10m

£108

LisbonLondon

LIS - LHR

LISLHR

Lisbon Humberto Delgado

Tue 4/2

22:05-09:10

1 stop11h 05m

London Heathrow

Thu 6/2

09:55-18:10

1 stop8h 15m

£109

PortoLondon

OPO - LHR

OPOLHR

Porto

Wed 5/3

16:05-21:35

1 stop5h 30m

London Heathrow

Wed 12/3

08:15-17:00

1 stop8h 45m

£123

FaroLondon

FAO - LHR

FAOLHR

Faro

Sun 30/3

19:10-21:55

Nonstop2h 45m

London Heathrow

Tue 1/4

07:25-10:20

Nonstop2h 55m

£130

FunchalLondon

FNC - LHR

FNCLHR

Funchal Madeira

Wed 5/3

04:20-18:55

1 stop14h 35m

London Heathrow

Wed 12/3

08:15-01:00

1 stop16h 45m

£140

PortoLondon

OPO - LHR

OPOLHR

Porto

Sat 8/3

08:20-17:15

1 stop8h 55m

London Heathrow

Sun 16/3

06:20-11:45

1 stop5h 25m

£144

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Showing 1-10 of 60 results
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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.

Travel insights for flights from Portugal to Heathrow

Get recent, data-driven insights about flights from Portugal to Heathrow including ideal travel times, pricing trends, and more.

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 £161). 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?

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 21 January 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portugal to London Heathrow Airport as you normally would.

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 21 January 2025.

The most flights from PT0 to LHR are scheduled on a Thursday (70 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (39 on average).

Rainfall in Heathrow by month

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

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

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 21 January 2025.
To help decide which airline to fly from Portugal to London, see what other customers have to say about TAP AIR PORTUGAL, Vueling and British Airways. 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
741 reviews
Check prices

Entertainment

6.9

Overall

8.1

Boarding

7.8

Food

7.3

Comfort

7.8

Crew

8.6

Reviews

1 / 10

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

Aegean Airlines
8.1
Very Good
741 reviews
Aegean Airlines
8.1
Very Good
741 reviews
Check prices

Entertainment

6.9

Overall

8.1

Boarding

7.8

Food

7.3

Comfort

7.8

Crew

8.6

Reviews

1 / 10

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

KLM
7.8
Good
1,341 reviews
Aegean Airlines
8.1
Very Good
741 reviews
Check prices

Entertainment

6.9

Overall

8.1

Boarding

7.8

Food

7.3

Comfort

7.8

Crew

8.6

Reviews

1 / 10

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

LOT
7.6
Good
1,117 reviews
Aegean Airlines
8.1
Very Good
741 reviews
Check prices

Entertainment

6.9

Overall

8.1

Boarding

7.8

Food

7.3

Comfort

7.8

Crew

8.6

Reviews

1 / 10

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

Austrian Airlines
7.6
Good
786 reviews
Aegean Airlines
8.1
Very Good
741 reviews
Check prices

Entertainment

6.9

Overall

8.1

Boarding

7.8

Food

7.3

Comfort

7.8

Crew

8.6

Reviews

1 / 10

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

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?

    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 £60 and £64 on Iberia 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 JetBlue (65%), LATAM Airlines (62%) or Air India (56%) 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 £205 for a flight from Portugal to London Heathrow Airport. The cheapest flight overall is £65 while the most popular route, (Lisbon Humberto Delgado - London Heathrow) is currently priced at £91.

  • 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 £161). 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

Travelling to a place near Portugal?

Book flights to Portugal if you plan to visit one of these locations
Deal
Hounslow
Gatwick
Croydon
Milton Keynes
Slough
Luton
Ilford
Hayes
Eastbourne
Northampton
Swindon
Maidstone
Crawley
Winchester
Southend-on-Sea
Wembley
Ipswich
Watford
Southall

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Alternative routes for Portugal to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Cologne to Heathrow flights
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Charles de Gaulle to Stansted flights
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Top 5 airlines flying from Portugal to Heathrow

Discover the top 5 airlines that operate flights from Portugal to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 January 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£63Average£142FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
easyJetCheapest£79Average£178FlexibilityNo cancel feeOn-time86%
Search easyJet flights
TAP AIR PORTUGALCheapest£94Average£202FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
British AirwaysCheapest£121Average£256FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£182Average£210FlexibilityNo cancel feeOn-time77%
Search Air France flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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