Cheap flights from London Heathrow Airport to Portugal from £57

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 19/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LIS
23 Aug — 30 Aug1
1 adult

Cheap flight deals from Heathrow to Portugal

Keep the following information in mind while searching for Heathrow to Portugal flight deals. Data was last updated 18 August 2025.

Round-trip from

£118

One-way from

£57

Popular in

August

Cheapest in

January

Average price

£186

Good round-trip deal

£202 or less

Good one-way deal

£96 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 20/9-23/9
  • 2 total stops
  • 16h 00m total
  • London to Portugal
Vueling
  • Vueling
  • 19/11
  • 1 total stop
  • 10h 30m total
  • London to Portugal
Highest demand for flights based on searches. 20% potential increase in price (£22 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£5 potential savings vs. average return price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from London Heathrow to Portugal.
Price to beat on a one-way flight from London Heathrow to Portugal.

Find flight deals from Heathrow to Portugal

Cheapest flights from Heathrow to Portugal
Explore the most affordable flight options available from Heathrow to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 August 2025.

Sat 20/906:00LHR - FAO
1 stop11h 20mTAP AIR PORTUGAL
Tue 23/918:15FAO - LHR
1 stop4h 40mTAP AIR PORTUGAL
Deal found 17/8£118
Mon 17/1106:00LHR - FAO
1 stop9h 45mTAP AIR PORTUGAL
Mon 1/1206:05FAO - LHR
1 stop11h 25mTAP AIR PORTUGAL
Deal found 18/8£120
Sat 27/906:00LHR - FAO
1 stop17h 50mTAP AIR PORTUGAL
Wed 1/1018:10FAO - LHR
1 stop18h 35mTAP AIR PORTUGAL
Deal found 17/8£121
Tue 21/1020:50LHR - LIS
1 stop11h 40mVueling
Tue 4/1122:10LIS - LHR
1 stop11h 00mVueling
Deal found 17/8£122
Thu 2/1013:45LHR - FAO
1 stop10h 05mTAP AIR PORTUGAL
Thu 9/1006:05FAO - LHR
1 stop9h 30mTAP AIR PORTUGAL
Deal found 17/8£122
Sun 21/908:00LHR - FAO
1 stop15h 50mTAP AIR PORTUGAL
Mon 29/918:10FAO - LHR
1 stop18h 35mTAP AIR PORTUGAL
Deal found 17/8£122
Tue 30/913:45LHR - FAO
1 stop10h 05mTAP AIR PORTUGAL
Tue 7/1006:05FAO - LHR
1 stop15h 55mTAP AIR PORTUGAL
Deal found 16/8£124
Sat 6/1207:10LHR - LIS
Nonstop2h 55mBritish Airways
Sun 25/107:05LIS - LHR
Nonstop3h 00mBritish Airways
Deal found 18/8£125
Wed 1/1011:20LHR - FAO
1 stop12h 30mTAP AIR PORTUGAL
Wed 8/1006:05FAO - LHR
1 stop11h 40mTAP AIR PORTUGAL
Deal found 17/8£125
Sat 29/1109:55LHR - OPO
1 stop22h 15mVueling
Tue 16/1220:05OPO - LHR
1 stop18h 40mVueling
Deal found 15/8£125
Fri 28/1119:10LHR - LIS
Nonstop2h 45mBritish Airways
Sun 30/1115:55LIS - LHR
Nonstop2h 45mBritish Airways
Deal found 17/8£125
Tue 7/1020:50LHR - OPO
1 stop11h 10mVueling
Tue 14/1022:00OPO - LHR
1 stop11h 10mVueling
Deal found 17/8£125

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Portugal 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 18 August 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Portugal that are best for you.

Fly from

Heathrow

Fly to

Portugal

Route

Depart

Return

Price

LondonFaro

LHR - FAO

LHRFAO

London Heathrow

Mon 17/11

06:00-15:45

1 stop9h 45m

Faro

Mon 1/12

06:05-17:30

1 stop11h 25m

£120

LondonFaro

LHR - FAO

LHRFAO

London Heathrow

Sat 14/2

19:55-10:25

1 stop14h 30m

Faro

Sun 1/3

16:35-22:40

1 stop6h 05m

£120

LondonFaro

LHR - FAO

LHRFAO

London Heathrow

Thu 9/10

06:00-17:20

1 stop11h 20m

Faro

Thu 16/10

06:05-12:45

1 stop6h 40m

£121

LondonFaro

LHR - FAO

LHRFAO

London Heathrow

Sun 12/10

06:00-17:20

1 stop11h 20m

Faro

Sat 18/10

18:10-22:55

1 stop4h 45m

£121

LondonFaro

LHR - FAO

LHRFAO

London Heathrow

Mon 13/10

06:00-23:50

1 stop17h 50m

Faro

Fri 17/10

18:20-12:45

1 stop18h 25m

£121

LondonFaro

LHR - FAO

LHRFAO

London Heathrow

Mon 29/9

18:45-23:50

1 stop5h 05m

Faro

Thu 9/10

06:05-15:35

1 stop9h 30m

£121

LondonFaro

LHR - FAO

LHRFAO

London Heathrow

Thu 2/10

08:00-23:50

1 stop15h 50m

Faro

Tue 7/10

18:15-10:20

1 stop16h 05m

£121

LondonFaro

LHR - FAO

LHRFAO

London Heathrow

Sun 12/10

06:00-17:20

1 stop11h 20m

Faro

Wed 15/10

06:05-12:45

1 stop6h 40m

£121

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Tue 2/12

06:55-09:50

Nonstop2h 55m

Lisbon Humberto Delgado

Thu 11/12

18:35-21:20

Nonstop2h 45m

£125

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 29/11

09:55-08:10

1 stop22h 15m

Porto

Tue 16/12

20:05-14:45

1 stop18h 40m

£125

Flights are sorted by cheapest return flights first.

Deals found on 16/8

Showing 1-10 of 60 results
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Best time to book a flight from Heathrow to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Heathrow 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 London Heathrow Airport to Portugal

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

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Portugal (average of £101). Flying from London Heathrow Airport to Portugal in August is currently the most expensive (average of £274). 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 LHR to PT?

Find hourly flight availability from Heathrow to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 August 2025.

One of the essential ways to save on airfare from London Heathrow Airport to Portugal is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 32% on airfare.

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

Use this chart to determine the cheapest time to fly return from Heathrow to Portugal. Price data was last updated on 17 August 2025.

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

Weekly flight availability from London Heathrow Airport to Portugal

Explore weekly flight availability from Heathrow to Portugal. 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 18 August 2025.

The most flights from LHR to PT0 are scheduled on a Friday (74 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (30 on average).

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated 18 August 2025.
See what other customers who have flown with Brussels Airlines, TAP AIR PORTUGAL, andIberia from London Heathrow Airport to Portugal have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.3

Boarding

7.3

Entertainment

6.1

Food

6.3

Crew

8.0

Comfort

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

CLT - EWR

I thought it was really good. The employees were very helpful and caring. Although the plane was a little dirty, so it could use a good cleaning. Other than that, it was good.

Overall

7.3

Boarding

7.3

Entertainment

6.1

Food

6.3

Crew

8.0

Comfort

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

CLT - EWR

I thought it was really good. The employees were very helpful and caring. Although the plane was a little dirty, so it could use a good cleaning. Other than that, it was good.

Overall

7.3

Boarding

7.3

Entertainment

6.1

Food

6.3

Crew

8.0

Comfort

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

CLT - EWR

I thought it was really good. The employees were very helpful and caring. Although the plane was a little dirty, so it could use a good cleaning. Other than that, it was good.

Overall

7.3

Boarding

7.3

Entertainment

6.1

Food

6.3

Crew

8.0

Comfort

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

CLT - EWR

I thought it was really good. The employees were very helpful and caring. Although the plane was a little dirty, so it could use a good cleaning. Other than that, it was good.

Overall

7.3

Boarding

7.3

Entertainment

6.1

Food

6.3

Crew

8.0

Comfort

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

CLT - EWR

I thought it was really good. The employees were very helpful and caring. Although the plane was a little dirty, so it could use a good cleaning. Other than that, it was good.

Overall

7.3

Boarding

7.3

Entertainment

6.1

Food

6.3

Crew

8.0

Comfort

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

CLT - EWR

I thought it was really good. The employees were very helpful and caring. Although the plane was a little dirty, so it could use a good cleaning. Other than that, it was good.

Related info for your journey

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

    Flights to Portugal from Heathrow or London Heathrow Airport (LHR) will arrive at one of two airports. Lisbon Humberto Delgado Airport (LIS) or Lisbon Humberto is the largest and busiest airport in the country and is located about 4.3 miles from the city centre. It is a base for TAP Air Portugal as well as Ryanair, WIZZ Air and easyJet and has two terminals. Terminal 2 is used exclusively by low-budget carriers. The second, Faro Airport (FAO), is located some 2.5 miles from the centre of Faro and is a major gateway to the Algarve region of Portugal. It is used mainly for summer passenger traffic, has one terminal and is a base for Ryanair. Heathrow is the UK’s largest and busiest airport and one of the world’s most important air traffic hubs. It is located about 14.3 miles from Central London, has four terminals and is a hub for British Airways.

  • Which airlines fly directly from Heathrow to Portugal?

    Passengers can get direct flight service to Portugal from Heathrow, arriving at both Lisbon and Faro airports. The Portuguese national carrier TAP Air Portugal provides direct flights with multiple morning and evening departures to Lisbon Humberto, taking about 2h 40min. The UK national carrier, British Airways, offers fewer non-stop flights, with morning service to Faro Airport, requiring about 2h 55min flight time. TAP Air Portugal has an additional route to Faro Airport connecting via Lisbon. Lufthansa employs a secondary route through Frankfurt and Lisbon.

  • What are the stopover options between Heathrow and Portugal?

    TAP Air connecting flights to Portugal from Heathrow use Lisbon Humberto as the transit point en route to Faro and Porto Airport (OPO). TAP Air Portugal departures to Faro via Lisbon Humberto involve connections of between 1h 5min and 14h 30min. Connections at Lisbon for flights destined to Porto range between 3h 45min and 14h 35min. Brussels Airlines and Iberia also offer frequent one-stop service on this route. Brussels Airlines flights to Lisbon Humberto and Porto require stopovers between 2h and 21h 40min at Brussels Bruxelles National Airport (BRU). Iberia service to Lisbon Humberto and Porto require layovers lasting between 1h 45min and 9h 45min at Barcelona El Prat Airport (BCN). A few airlines offer service with multiple connections, such as Alitalia flights via Rome and Barcelona, but these are much more expensive. Some connecting flights may involve overnight stopovers, and most require plane transfers. In many cases, flying direct is only marginally cheaper than one-stop flights along this route.

  • Do I need a passport or visa to fly from Heathrow to Portugal?

    UK passport holders can enter Portugal visa-free for a period not exceeding 90 days within a 180-day period. EU and all other foreign nationals should check with their local consulate regarding any visa requirements before arranging travel to Portugal from Heathrow.

  • How long is the flight from London Heathrow Airport to Portugal?

    TAP AIR PORTUGAL, British Airways, and Vueling can get you from London Heathrow Airport to Portugal in just under 2h 55m. Your travel time can differ by up to 19h 20m. London Heathrow Airport and Portugal are separated by a distance of 972 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    £62 is the cheapest one-way deal found within the past few days, from Vueling. You may also be able to find cheap deals on Scandinavian Airlines and TAP AIR PORTUGAL, with prices starting from £97 and £118, respectively.

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

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

    The top 3 most reliable airlines when flying from London Heathrow Airport to Portugal are Cathay Pacific (80%), Qatar Airways (67%) and British Airways (67%).

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

    The cheapest flight price from London Heathrow Airport to Portugal is £80. On average you can expect to pay £449. The most popular route, (London Heathrow - Lisbon Humberto Delgado), can usually be booked for £119.

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

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

  • How can I find direct flights from Heathrow to Portugal?

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Portugal 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 London Heathrow Airport to Portugal?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Portugal (average of £101). Flying from London Heathrow Airport to Portugal in August is currently the most expensive (average of £274). 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

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Alternative routes for Heathrow to Portugal

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Heathrow to Portugal

Discover the top 10 airlines that operate flights from Heathrow to Portugal. 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 18 August 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£29Average£143FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Jet2Cheapest£31Average£262FlexibilityNo cancel feeOn-timeN/A
Search Jet2 flights
easyJetCheapest£41Average£167FlexibilityNo cancel feeOn-time86%
Search easyJet flights
Wizz AirCheapest£53Average£118FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
VuelingCheapest£94Average£165FlexibilityNo cancel feeOn-time88%
Search Vueling flights
British AirwaysCheapest£97Average£311FlexibilityNo cancel feeOn-time70%
Search British Airways flights
TAP AIR PORTUGALCheapest£109Average£233FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
KLMCheapest£130Average£220FlexibilityNo cancel feeOn-time75%
Search KLM flights
IberiaCheapest£137Average£253FlexibilityNo cancel feeOn-time77%
Search Iberia flights
SWISSCheapest£138Average£199FlexibilityNo cancel feeOn-time79%
Search SWISS flights

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

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

Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to Portugal for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to Portugal from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes! Start tracking prices for Heathrow to Portugal flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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