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Cheap flights from London Heathrow Airport to Portugal from £56

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 Portugal departing on 24/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from London Heathrow Airport to Portugal

Cheap return flights

Vueling Logo
09:55 - 20:35LHR-LIS
10h 40m1 stop
Vueling Logo
21:15 - 09:10LIS-LHR
11h 55m1 stop
£116Vueling
Find Deal
Tue, 23 Sep - Tue, 30 Sep
TAP AIR PORTUGAL Logo
19:50 - 22:35LHR-LIS
2h 45mdirect
TAP AIR PORTUGAL Logo
20:10 - 22:55LIS-LHR
2h 45mdirect
£121TAP AIR PORTUGAL
Find Deal
Wed, 3 Sep - Wed, 24 Sep
Vueling Logo
20:50 - 08:30LHR-LIS
11h 40m1 stop
Vueling Logo
09:05 - 18:00LIS-LHR
8h 55m1 stop
£122Vueling
Find Deal
Sat, 1 Nov - Wed, 5 Nov
British Airways Logo
07:00 - 09:55LHR-LIS
2h 55mdirect
British Airways Logo
18:35 - 21:20LIS-LHR
2h 45mdirect
£126British Airways
Find Deal
Fri, 16 Jan - Mon, 19 Jan
British Airways Logo
14:45 - 17:45LHR-FAO
3h 00mdirect
British Airways Logo
19:40 - 22:30FAO-LHR
2h 50mdirect
£133British Airways
Find Deal
Thu, 30 Oct - Thu, 6 Nov
Brussels Airlines Logo
06:50 - 15:50LHR-FAO
9h 00m1 stop
Brussels Airlines Logo
12:10 - 21:35FAO-LHR
9h 25m1 stop
£153Brussels Airlines
Find Deal
Wed, 27 Aug - Wed, 3 Sep
Brussels Airlines Logo
06:50 - 15:50LHR-FAO
9h 00m1 stop
Brussels Airlines Logo
12:10 - 20:55FAO-LHR
8h 45m1 stop
£154Brussels Airlines
Find Deal
Wed, 27 Aug - Wed, 3 Sep
KLM Logo
08:40 - 17:50LHR-FNC
9h 10m1 stop
KLM Logo
18:40 - 07:40FNC-LHR
13h 00m1 stop
£180KLM
Find Deal
Sat, 29 Nov - Sat, 6 Dec
KLM Logo
08:40 - 17:50LHR-FNC
9h 10m1 stop
KLM Logo
18:40 - 07:40FNC-LHR
13h 00m1 stop
£181KLM
Find Deal
Sat, 29 Nov - Sat, 6 Dec
SWISS Logo
20:05 - 09:15LHR-FNC
13h 10m1 stop
SWISS Logo
10:25 - 19:20FNC-LHR
8h 55m1 stop
£233SWISS
Find Deal
Mon, 22 Sep - Wed, 1 Oct

TAP AIR PORTUGAL flights from London Heathrow Airport to Portugal

Our best TAP AIR PORTUGAL deals on London Heathrow Airport to Portugal flight tickets
TAP AIR PORTUGAL
3 Sept
LHR19:50London Heathrow
2h 45m
LIS22:35Lisbon Humberto Delgado
24 Sept
LIS20:10Lisbon Humberto Delgado
2h 45m
LHR22:55London Heathrow
£121
Find similar
TAP AIR PORTUGAL
7 Nov
LHR06:00London Heathrow
17h 50m
1 stop
FAO23:50Faro
16 Nov
FAO06:05Faro
6h 35m
1 stop
LHR12:40London Heathrow
£122
Find similar
TAP AIR PORTUGAL
23 Sept
LHR06:00London Heathrow
2h 40m
LIS08:40Lisbon Humberto Delgado
2 Oct
LIS20:10Lisbon Humberto Delgado
2h 45m
LHR22:55London Heathrow
£122
Find similar

Lufthansa flights from London Heathrow Airport to Portugal

Our best Lufthansa deals on London Heathrow Airport to Portugal flight tickets
Lufthansa
16 Dec
LHR06:35London Heathrow
6h 45m
1 stop
LIS13:20Lisbon Humberto Delgado
8 Jan
LIS14:10Lisbon Humberto Delgado
6h 50m
1 stop
LHR21:00London Heathrow
£142
Find similar
Lufthansa
16 Dec
LHR16:40London Heathrow
6h 50m
1 stop
LIS23:30Lisbon Humberto Delgado
29 Dec
LIS14:10Lisbon Humberto Delgado
6h 50m
1 stop
LHR21:00London Heathrow
£143
Find similar
Lufthansa
16 Jan
LHR13:50London Heathrow
9h 40m
1 stop
LIS23:30Lisbon Humberto Delgado
17 Jan
LIS14:10Lisbon Humberto Delgado
6h 50m
1 stop
LHR21:00London Heathrow
£145
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 1 August 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Tue 23/9

09:55-20:35

1 stop10h 40m

Lisbon Humberto Delgado

Tue 30/9

21:15-09:10

1 stop11h 55m

£116

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Wed 3/9

19:50-22:35

Nonstop2h 45m

Lisbon Humberto Delgado

Wed 24/9

20:10-22:55

Nonstop2h 45m

£121

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Sat 1/11

20:50-08:30

1 stop11h 40m

Lisbon Humberto Delgado

Wed 5/11

09:05-18:00

1 stop8h 55m

£122

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Fri 16/1

07:00-09:55

Nonstop2h 55m

Lisbon Humberto Delgado

Mon 19/1

18:35-21:20

Nonstop2h 45m

£126

LondonFaro

LHR - FAO

LHRFAO

London Heathrow

Thu 30/10

14:45-17:45

Nonstop3h 00m

Faro

Thu 6/11

19:40-22:30

Nonstop2h 50m

£133

LondonFaro

LHR - FAO

LHRFAO

London Heathrow

Wed 27/8

06:50-15:50

1 stop9h 00m

Faro

Wed 3/9

12:10-21:35

1 stop9h 25m

£153

LondonFaro

LHR - FAO

LHRFAO

London Heathrow

Wed 27/8

06:50-15:50

1 stop9h 00m

Faro

Wed 3/9

12:10-20:55

1 stop8h 45m

£154

LondonFunchal

LHR - FNC

LHRFNC

London Heathrow

Sat 29/11

08:40-17:50

1 stop9h 10m

Funchal Madeira

Sat 6/12

18:40-07:40

1 stop13h 00m

£180

LondonFunchal

LHR - FNC

LHRFNC

London Heathrow

Sat 29/11

08:40-17:50

1 stop9h 10m

Funchal Madeira

Sat 6/12

18:40-07:40

1 stop13h 00m

£181

LondonFunchal

LHR - FNC

LHRFNC

London Heathrow

Mon 22/9

20:05-09:15

1 stop13h 10m

Funchal Madeira

Wed 1/10

10:25-19:20

1 stop8h 55m

£233

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portugal from

How to get the cheapest flight ticket from London Heathrow Airport to Portugal

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 Portugal?

The month of January is, on average, the cheapest month to fly to Portugal from London Heathrow Airport, with most prices found around £127. If you are unable to visit Portugal during the month of January, then departing from London Heathrow Airport during the month February is also very affordable. Most momondo users find prices during this month for around £136.

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

The cheapest day to depart from London Heathrow Airport to Portugal is on a Monday when prices can be found for as low as £358. Flights from London Heathrow Airport to Portugal on a Saturday will generally be more expensive and average around £414. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

The cheapest time of day to fly to Portugal is in the evening when flights can be purchased for as low as £285. Flights to Portugal are more costly in the morning, with an average ticket price of £415. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest London Heathrow to Portugal flight route?

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

How far in advance should I book a flight to Portugal?

You are more likely to see cheaper flights to Portugal from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around £199 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from London Heathrow Airport for as low as £164 on momondo.

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

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

Can stopping save me money on London Heathrow Airport to Portugal flights?

You could potentially save up to 23% on your flight if you consider stops on a London Heathrow Airport to Portugal flight.

Cheap London Heathrow Airport to Portugal flight deals and tips

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

Best price found

£56

Fastest flight time

2h 40m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sun

Airports in Portugal

3 airports
The best one-way flight to Portugal from London Heathrow Airport in the past 72 hours is £56. The best return flight deal from London Heathrow Airport to Portugal found on momondo in the last 72 hours is £116.
The fastest flight from London Heathrow Airport to Portugal takes 2h 40m
Direct flights go from London Heathrow Airport to Portugal on Monday, Tuesday, Wednesday, Thursday, Friday and Sunday. Airline offering direct flights is TAP AIR PORTUGAL..
There are 3 airports near Portugal: Faro (FAO), Lisbon Humberto Delgado (LIS), Porto (OPO)
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  • When did momondo last update prices for flights from London Heathrow Airport to Portugal?

    Prices for flights from London Heathrow Airport to Portugal are updated daily.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The travel and health documents required for your trip to Portugal can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portugal. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from London Heathrow Airport to Portugal

Compare and see reviews for airlines that fly from London Heathrow Airport to Portugal with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £29Free CancellationRating
6.8
5,154 reviews
Search Ryanair flights
easyJetPriceFrom £45Free CancellationRating
6.9
1,822 reviews
Search easyJet flights
Wizz AirPriceFrom £60Free CancellationRating
6.0
144 reviews
Search Wizz Air flights
Jet2PriceFrom £65Free CancellationRating
8.3
164 reviews
Search Jet2 flights
VuelingPriceFrom £96Free CancellationRating
7.1
1,176 reviews
Search Vueling flights
British AirwaysPriceFrom £99Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
TAP AIR PORTUGALPriceFrom £112Free CancellationRating
7.1
1,933 reviews
Search TAP AIR PORTUGAL flights
KLMPriceFrom £133Free CancellationRating
7.8
1,383 reviews
Search KLM flights
IberiaPriceFrom £140Free CancellationRating
7.0
2,859 reviews
Search Iberia flights
SWISSPriceFrom £141Free CancellationRating
7.5
1,686 reviews
Search SWISS flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Portugal for you.

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

momondo does allow users to show only those flights to Portugal from London which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for London to Portugal 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 Portugal right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Portugal from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Portugal 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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Find better results for your trip to Portugal

Popular Cities in Portugal

Popular flights according to clicks in the last 7 days on momondo
Flights to Lisbonfrom £43
Flights to Farofrom £32
Flights to Portofrom £54
Flights to Funchalfrom £56
Flights to Ponta Delgadafrom £91
Flights to Lajesfrom £139
Flights to Hortafrom £237
Flights to Pico Islandfrom £252
Flights to Porto Santofrom £190
Flights to Santa Cruz das Floresfrom £254