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Cheap flights from London Heathrow Airport to Portugal from £53

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 7/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from London Heathrow Airport to Portugal

Cheap return flights

British Airways Logo
07:10 - 10:05LHR-LIS
2h 55mdirect
British Airways Logo
12:55 - 15:50LIS-LHR
2h 55mdirect
£105British Airways
Find Deal
Sat, 10 Jan - Sun, 11 Jan
Vueling Logo
18:50 - 08:30LHR-LIS
13h 40m1 stop
Vueling Logo
09:05 - 18:00LIS-LHR
8h 55m1 stop
£106Vueling
Find Deal
Tue, 18 Nov - Thu, 18 Dec
British Airways Logo
14:45 - 17:45LHR-FAO
3h 00mdirect
British Airways Logo
19:40 - 22:30FAO-LHR
2h 50mdirect
£106British Airways
Find Deal
Thu, 6 Nov - Thu, 13 Nov
TAP AIR PORTUGAL Logo
13:40 - 19:00LHR-OPO
5h 20m1 stop
TAP AIR PORTUGAL Logo
16:00 - 21:35OPO-LHR
5h 35m1 stop
£108TAP AIR PORTUGAL
Find Deal
Fri, 7 Nov - Sun, 16 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
£109TAP AIR PORTUGAL
Find Deal
Sun, 18 Jan - Sun, 1 Feb
Logo
15:30 - 20:15LHR-OPO
4h 45m1 stop
Logo
20:55 - 14:45OPO-LHR
17h 50m1 stop
£113
Find Deal
Thu, 30 Oct - Thu, 6 Nov
Logo
19:50 - 22:35LHR-LIS
2h 45mdirect
Logo
09:05 - 18:00LIS-LHR
8h 55m1 stop
£120
Find Deal
Mon, 20 Oct - Wed, 17 Dec
Lufthansa Logo
06:35 - 13:05LHR-FAO
6h 30m1 stop
Lufthansa Logo
15:05 - 21:00FAO-LHR
5h 55m1 stop
£148Lufthansa
Find Deal
Sat, 6 Dec - Sun, 7 Dec
Lufthansa Logo
16:40 - 23:45LHR-PDL
32h 05m2 stops
Lufthansa Logo
09:25 - 21:00PDL-LHR
10h 35m2 stops
£263Lufthansa
Find Deal
Tue, 10 Mar - Tue, 17 Mar
Azores Airlines Logo
13:45 - 09:30LHR-PIX
20h 45m1 stop
Azores Airlines Logo
10:25 - 22:55PIX-LHR
11h 30m1 stop
£520Azores Airlines
Find Deal
Tue, 30 Sep - Wed, 8 Oct

Vueling flights from London Heathrow Airport to Portugal

Our best Vueling deals on London Heathrow Airport to Portugal flight tickets
Vueling
18 Nov
LHR18:50London Heathrow
13h 40m
1 stop
LIS08:30Lisbon Humberto Delgado
18 Dec
LIS09:05Lisbon Humberto Delgado
8h 55m
1 stop
LHR18:00London Heathrow
£106
Find similar
Vueling
22 Nov
LHR09:55London Heathrow
7h 00m
1 stop
LIS16:55Lisbon Humberto Delgado
29 Nov
LIS21:05Lisbon Humberto Delgado
12h 05m
1 stop
LHR09:10London Heathrow
£107
Find similar
Vueling
24 Nov
LHR09:55London Heathrow
7h 00m
1 stop
LIS16:55Lisbon Humberto Delgado
9 Dec
LIS21:05Lisbon Humberto Delgado
12h 05m
1 stop
LHR09:10London Heathrow
£116
Find similar

British Airways flights from London Heathrow Airport to Portugal

Our best British Airways deals on London Heathrow Airport to Portugal flight tickets
British Airways
10 Jan
LHR07:10London Heathrow
2h 55m
LIS10:05Lisbon Humberto Delgado
11 Jan
LIS12:55Lisbon Humberto Delgado
2h 55m
LHR15:50London Heathrow
£105
Find similar
British Airways
6 Nov
LHR14:45London Heathrow
3h 00m
FAO17:45Faro
13 Nov
FAO19:40Faro
2h 50m
LHR22:30London Heathrow
£106
Find similar
British Airways
12 Oct
LHR07:15London Heathrow
2h 55m
FAO10:10Faro
19 Oct
FAO19:10Faro
2h 45m
LHR21:55London Heathrow
£107
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 16 September 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

Sat 10/1

07:10-10:05

Nonstop2h 55m

Lisbon Humberto Delgado

Sun 11/1

12:55-15:50

Nonstop2h 55m

£105

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Tue 18/11

18:50-08:30

1 stop13h 40m

Lisbon Humberto Delgado

Thu 18/12

09:05-18:00

1 stop8h 55m

£106

LondonFaro

LHR - FAO

LHRFAO

London Heathrow

Thu 6/11

14:45-17:45

Nonstop3h 00m

Faro

Thu 13/11

19:40-22:30

Nonstop2h 50m

£106

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Fri 7/11

13:40-19:00

1 stop5h 20m

Porto

Sun 16/11

16:00-21:35

1 stop5h 35m

£108

LondonFaro

LHR - FAO

LHRFAO

London Heathrow

Sun 18/1

06:00-15:45

1 stop9h 45m

Faro

Sun 1/2

11:15-18:55

1 stop7h 40m

£109

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 30/10

15:30-20:15

1 stop4h 45m

Porto

Thu 6/11

20:55-14:45

1 stop17h 50m

£113

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Mon 20/10

19:50-22:35

Nonstop2h 45m

Lisbon Humberto Delgado

Wed 17/12

09:05-18:00

1 stop8h 55m

£120

LondonFaro

LHR - FAO

LHRFAO

London Heathrow

Sat 6/12

06:35-13:05

1 stop6h 30m

Faro

Sun 7/12

15:05-21:00

1 stop5h 55m

£148

LondonPonta Delgada

LHR - PDL

LHRPDL

London Heathrow

Tue 10/3

16:40-23:45

2 stops32h 05m

Ponta Delgada Nordela

Tue 17/3

09:25-21:00

2 stops10h 35m

£263

LondonPico Island

LHR - PIX

LHRPIX

London Heathrow

Tue 30/9

13:45-09:30

1 stop20h 45m

Pico Island

Wed 8/10

10:25-22:55

1 stop11h 30m

£520

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 £124. 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 £132.

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 £348. Flights from London Heathrow Airport to Portugal on a Saturday will generally be more expensive and average around £403. 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 £270. Flights to Portugal are more costly in the morning, with an average ticket price of £408. 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 £193 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 £155 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 1% 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

£76

Fastest flight time

2h 40m

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 £76. The best return flight deal from London Heathrow Airport to Portugal found on momondo in the last 72 hours is £207.
The fastest flight from London Heathrow Airport to Portugal takes 2h 40m
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 £29Free CancellationRating
6.8
5,155 reviews
Search Ryanair flights
easyJetPriceFrom £41Free CancellationRating
6.9
1,820 reviews
Search easyJet flights
Wizz AirPriceFrom £46Free CancellationRating
6.0
151 reviews
Search Wizz Air flights
Jet2PriceFrom £64Free CancellationRating
8.3
169 reviews
Search Jet2 flights
VuelingPriceFrom £93Free CancellationRating
7.1
1,185 reviews
Search Vueling flights
British AirwaysPriceFrom £97Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
TAP AIR PORTUGALPriceFrom £110Free CancellationRating
7.1
1,975 reviews
Search TAP AIR PORTUGAL flights
KLMPriceFrom £130Free CancellationRating
7.8
1,385 reviews
Search KLM flights
IberiaPriceFrom £136Free CancellationRating
7.0
2,924 reviews
Search Iberia flights
SWISSPriceFrom £137Free CancellationRating
7.5
1,730 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.
Start using Trips
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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 £40
Flights to Farofrom £26
Flights to Portofrom £28
Flights to Funchalfrom £38
Flights to Ponta Delgadafrom £105
Flights to Lajesfrom £179
Flights to Hortafrom £222
Flights to Pico Islandfrom £269
Flights to Porto Santofrom £159
Flights to Santa Cruz das Floresfrom £361