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Cheap flights from London Heathrow Airport to Portugal from £55

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 15/1. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
15:30 - 20:15LHR-OPO
4h 45m1 stop
Multiple Airlines Logo
20:55 - 14:45OPO-LHR
17h 50m1 stop
£98Multiple Airlines
Find Deal
Thu, 27 Nov - Thu, 11 Dec
Vueling Logo
18:50 - 08:30LHR-LIS
13h 40m1 stop
Vueling Logo
21:05 - 09:10LIS-LHR
12h 05m1 stop
£116Vueling
Find Deal
Wed, 14 Jan - Fri, 16 Jan
TAP AIR PORTUGAL Logo
13:40 - 23:50LHR-FAO
10h 10m1 stop
TAP AIR PORTUGAL Logo
06:05 - 11:25FAO-LHR
5h 20m1 stop
£117TAP AIR PORTUGAL
Find Deal
Fri, 21 Nov - Thu, 27 Nov
TAP AIR PORTUGAL Logo
06:00 - 15:45LHR-FAO
9h 45m1 stop
TAP AIR PORTUGAL Logo
11:15 - 18:55FAO-LHR
7h 40m1 stop
£118TAP AIR PORTUGAL
Find Deal
Fri, 14 Nov - Fri, 21 Nov
British Airways Logo
19:40 - 22:25LHR-LIS
2h 45mdirect
British Airways Logo
18:40 - 21:25LIS-LHR
2h 45mdirect
£122British Airways
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Sat, 29 Nov - Sat, 6 Dec
British Airways Logo
19:40 - 22:25LHR-LIS
2h 45mdirect
British Airways Logo
19:40 - 22:25LIS-LHR
2h 45mdirect
£123British Airways
Find Deal
Sat, 6 Dec - Tue, 9 Dec
Iberia Logo
11:25 - 20:00LHR-OPO
8h 35m1 stop
Iberia Logo
20:40 - 08:25OPO-LHR
11h 45m1 stop
£147Iberia
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Sat, 7 Feb - Sat, 14 Feb
KLM Logo
06:30 - 13:20LHR-OPO
6h 50m1 stop
KLM Logo
05:00 - 12:05OPO-LHR
7h 05m1 stop
£150KLM
Find Deal
Fri, 16 Jan - Sun, 18 Jan
KLM Logo
11:15 - 19:15LHR-OPO
8h 00m1 stop
KLM Logo
11:15 - 16:05OPO-LHR
4h 50m1 stop
£150KLM
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Sat, 6 Dec - Wed, 17 Dec
Iberia Logo
09:15 - 16:00LHR-OPO
6h 45m1 stop
Iberia Logo
20:40 - 17:15OPO-LHR
20h 35m1 stop
£157Iberia
Find Deal
Tue, 2 Dec - Wed, 3 Dec

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
21 Nov
LHR13:40London Heathrow
10h 10m
1 stop
FAO23:50Faro
27 Nov
FAO06:05Faro
5h 20m
1 stop
LHR11:25London Heathrow
£117
Find similar
TAP AIR PORTUGAL
14 Nov
LHR06:00London Heathrow
9h 45m
1 stop
FAO15:45Faro
21 Nov
FAO11:15Faro
7h 40m
1 stop
LHR18:55London Heathrow
£118
Find similar
TAP AIR PORTUGAL
28 Jan
LHR08:15London Heathrow
2h 45m
LIS11:00Lisbon Humberto Delgado
11 Feb
LIS19:50Lisbon Humberto Delgado
2h 50m
LHR22:40London Heathrow
£118
Find similar

Lufthansa flights from London Heathrow Airport to Portugal

Our best Lufthansa deals on London Heathrow Airport to Portugal flight tickets
Lufthansa
6 Dec
LHR06:35London Heathrow
6h 30m
1 stop
FAO13:05Faro
14 Dec
FAO15:05Faro
5h 55m
1 stop
LHR21:00London Heathrow
£126
Find similar
Lufthansa
3 Dec
LHR06:35London Heathrow
6h 45m
1 stop
LIS13:20Lisbon Humberto Delgado
10 Dec
LIS14:10Lisbon Humberto Delgado
6h 50m
1 stop
LHR21:00London Heathrow
£132
Find similar
Lufthansa
12 Nov
LHR06:35London Heathrow
6h 45m
1 stop
LIS13:20Lisbon Humberto Delgado
19 Nov
LIS14:10Lisbon Humberto Delgado
6h 50m
1 stop
LHR21:00London Heathrow
£137
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 31 October 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

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 27/11

15:30-20:15

1 stop4h 45m

Porto

Thu 11/12

20:55-14:45

1 stop17h 50m

£98

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Wed 14/1

18:50-08:30

1 stop13h 40m

Lisbon Humberto Delgado

Fri 16/1

21:05-09:10

1 stop12h 05m

£116

LondonFaro

LHR - FAO

LHRFAO

London Heathrow

Fri 21/11

13:40-23:50

1 stop10h 10m

Faro

Thu 27/11

06:05-11:25

1 stop5h 20m

£117

LondonFaro

LHR - FAO

LHRFAO

London Heathrow

Fri 14/11

06:00-15:45

1 stop9h 45m

Faro

Fri 21/11

11:15-18:55

1 stop7h 40m

£118

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Sat 29/11

19:40-22:25

Nonstop2h 45m

Lisbon Humberto Delgado

Sat 6/12

18:40-21:25

Nonstop2h 45m

£122

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Sat 6/12

19:40-22:25

Nonstop2h 45m

Lisbon Humberto Delgado

Tue 9/12

19:40-22:25

Nonstop2h 45m

£123

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 7/2

11:25-20:00

1 stop8h 35m

Porto

Sat 14/2

20:40-08:25

1 stop11h 45m

£147

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Fri 16/1

06:30-13:20

1 stop6h 50m

Porto

Sun 18/1

05:00-12:05

1 stop7h 05m

£150

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 6/12

11:15-19:15

1 stop8h 00m

Porto

Wed 17/12

11:15-16:05

1 stop4h 50m

£150

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 2/12

09:15-16:00

1 stop6h 45m

Porto

Wed 3/12

20:40-17:15

1 stop20h 35m

£157

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 £129. 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 £138.

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 Thursday when prices can be found for as low as £348. Flights from London Heathrow Airport to Portugal on a Saturday will generally be more expensive and average around £419. 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 £274. 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 Faro 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 £200 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 £167 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 3% 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

£78

Fastest flight time

2h 45m

Direct flights

Every day

Airports in Portugal

1 airport
The best one-way flight to Portugal from London Heathrow Airport in the past 72 hours is £78. The best return flight deal from London Heathrow Airport to Portugal found on momondo in the last 72 hours is £166.
The fastest flight from London Heathrow Airport to Portugal takes 2h 45m
Direct flights go from London Heathrow Airport to Portugal every day.
There is 1 airport near Portugal: Lisbon Humberto Delgado (LIS)
Search flight deals

  • 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 £23Free CancellationRating
6.8
5,188 reviews
Search Ryanair flights
easyJetPriceFrom £42Free CancellationRating
6.9
1,840 reviews
Search easyJet flights
Wizz AirPriceFrom £47Free CancellationRating
6.1
155 reviews
Search Wizz Air flights
Jet2PriceFrom £66Free CancellationRating
8.3
172 reviews
Search Jet2 flights
VuelingPriceFrom £96Free CancellationRating
7.1
1,206 reviews
Search Vueling flights
British AirwaysPriceFrom £102Free CancellationRating
6.7
7,489 reviews
Search British Airways flights
TAP AIR PORTUGALPriceFrom £116Free CancellationRating
7.1
2,041 reviews
Search TAP AIR PORTUGAL flights
KLMPriceFrom £134Free CancellationRating
7.7
1,406 reviews
Search KLM flights
IberiaPriceFrom £141Free CancellationRating
7.0
3,004 reviews
Search Iberia flights
SWISSPriceFrom £142Free CancellationRating
7.5
1,777 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 £29
Flights to Farofrom £29
Flights to Portofrom £33
Flights to Funchalfrom £38
Flights to Ponta Delgadafrom £133
Flights to Lajesfrom £145
Flights to Hortafrom £200
Flights to Pico Islandfrom £292
Flights to Porto Santofrom £175
Flights to Santa Cruz das Floresfrom £456