What is the cheapest airline that flies from London Heathrow to Portugal?

TAP AIR PORTUGAL, British Airways, and Vueling are the most popular carriers operating from London Heathrow to Portugal

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?

There are 2 operators available for flights from London Heathrow Airport to Portugal as of October 2025.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Portugal.

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

The travel and health documents you'll need for your trip to Portugal may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Portugal. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$152 Cheap Flights from London Heathrow Airport to Portugal in 2025/26

Q: How many flights depart from London Heathrow Airport to Portugal on average per day?

48 flights are operational daily from London Heathrow Airport to Portugal as of October 2025. The most popular departure time for this route is 18:00, with 38% of flights per day taking off in the afternoon.

Q: How many flights depart from London Heathrow Airport to Portugal on average per week?

The number of flights available between London Heathrow Airport and Portugal is 336 per week as of October 2025. The most frequent departure day is Thu, with 24% of weekly flights leaving on this day.

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Find the cheapest flights from London Heathrow Airport to Portugal

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

14:20 - 17:20LHR-FAO

3h 00mdirect

19:40 - 22:30FAO-LHR

2h 50mdirect

$247British Airways

Find Deal

Mon, 23 Mar - Thu, 26 Mar

14:20 - 17:20LHR-FAO

3h 00mdirect

19:40 - 22:30FAO-LHR

2h 50mdirect

$249British Airways

Find Deal

Mon, 23 Mar - Thu, 26 Mar

09:55 - 16:55LHR-LIS

7h 00m1 stop

09:05 - 18:00LIS-LHR

8h 55m1 stop

$256Vueling

Find Deal

Wed, 3 Dec - Wed, 17 Dec

06:00 - 08:45LHR-LIS

2h 45mdirect

08:35 - 11:25LIS-LHR

2h 50mdirect

$259TAP AIR PORTUGAL

Find Deal

Fri, 30 Jan - Sun, 1 Feb

09:55 - 16:45LHR-LIS

6h 50m1 stop

09:05 - 18:00LIS-LHR

8h 55m1 stop

$264Vueling

Find Deal

Thu, 19 Feb - Mon, 23 Feb

06:35 - 13:20LHR-LIS

6h 45m1 stop

14:10 - 22:55LIS-LHR

8h 45m1 stop

$285Lufthansa

Find Deal

Fri, 30 Jan - Sun, 1 Feb

06:30 - 13:20LHR-OPO

6h 50m1 stop

05:00 - 12:05OPO-LHR

7h 05m1 stop

$299KLM

Find Deal

Fri, 16 Jan - Sun, 18 Jan

11:15 - 19:15LHR-OPO

8h 00m1 stop

11:15 - 16:05OPO-LHR

4h 50m1 stop

$300KLM

Find Deal

Sat, 6 Dec - Wed, 17 Dec

06:00 - 08:45LHR-LIS

2h 45mdirect

18:45 - 21:35LIS-LHR

2h 50mdirect

$311TAP AIR PORTUGAL

Find Deal

Tue, 11 Nov - Wed, 26 Nov

09:30 - 22:50LHR-LIS

13h 20m1 stop

06:10 - 13:00LIS-LHR

6h 50m1 stop

$314Lufthansa

Find Deal

Tue, 24 Mar - Wed, 25 Mar

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

12 Nov

LHR08:15London Heathrow

15h 35m

1 stop

FAO23:50Faro

26 Nov

FAO06:05Faro

6h 35m

1 stop

LHR12:40London Heathrow

$249

Find similar

TAP AIR PORTUGAL

30 Jan

LHR06:00London Heathrow

2h 45m

LIS08:45Lisbon Humberto Delgado

1 Feb

LIS08:35Lisbon Humberto Delgado

2h 50m

LHR11:25London Heathrow

$259

Find similar

TAP AIR PORTUGAL

11 Nov

LHR06:00London Heathrow

2h 45m

LIS08:45Lisbon Humberto Delgado

26 Nov

LIS18:45Lisbon Humberto Delgado

2h 50m

LHR21:35London Heathrow

$311

Find similar

Lufthansa flights from London Heathrow Airport to Portugal

Our best Lufthansa deals on London Heathrow Airport to Portugal flight tickets

Lufthansa

30 Jan

LHR06:35London Heathrow

6h 45m

1 stop

LIS13:20Lisbon Humberto Delgado

1 Feb

LIS14:10Lisbon Humberto Delgado

8h 45m

1 stop

LHR22:55London Heathrow

$285

Find similar

Lufthansa

24 Mar

LHR09:30London Heathrow

13h 20m

1 stop

LIS22:50Lisbon Humberto Delgado

25 Mar

LIS06:10Lisbon Humberto Delgado

6h 50m

1 stop

LHR13:00London Heathrow

$314

Find similar

Lufthansa

7 Dec

LHR06:30London Heathrow

7h 45m

2 stops

FAO14:15Faro

14 Dec

FAO13:30Faro

9h 25m

2 stops

LHR22:55London Heathrow

$447

Find similar

momondo Fare Finder

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

LondonFaro

LHR - FAO

LHRFAO

London Heathrow

Mon 23/3

14:20-17:20

Nonstop3h 00m

Faro

Thu 26/3

19:40-22:30

Nonstop2h 50m

$247

LondonFaro

LHR - FAO

LHRFAO

London Heathrow

Mon 23/3

14:20-17:20

Nonstop3h 00m

Faro

Thu 26/3

19:40-22:30

Nonstop2h 50m

$249

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Wed 3/12

09:55-16:55

1 stop7h 00m

Lisbon Humberto Delgado

Wed 17/12

09:05-18:00

1 stop8h 55m

$256

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Fri 30/1

06:00-08:45

Nonstop2h 45m

Lisbon Humberto Delgado

Sun 1/2

08:35-11:25

Nonstop2h 50m

$259

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Thu 19/2

09:55-16:45

1 stop6h 50m

Lisbon Humberto Delgado

Mon 23/2

09:05-18:00

1 stop8h 55m

$264

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Fri 30/1

06:35-13:20

1 stop6h 45m

Lisbon Humberto Delgado

Sun 1/2

14:10-22:55

1 stop8h 45m

$285

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

$299

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

$300

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Tue 11/11

06:00-08:45

Nonstop2h 45m

Lisbon Humberto Delgado

Wed 26/11

18:45-21:35

Nonstop2h 50m

$311

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Tue 24/3

09:30-22:50

1 stop13h 20m

Lisbon Humberto Delgado

Wed 25/3

06:10-13:00

1 stop6h 50m

$314

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to Portugal?

In general, January is the cheapest month to fly from London Heathrow Airport to Portugal. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $258. If you’re not able to fly to Portugal in January, then February is your next best option. Flight prices from London Heathrow Airport to Portugal during February average around $276.

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 Tuesday. Travellers who choose to depart for Portugal on a Tuesday will often find tickets for as low as $330. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Portugal for around $595.

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

In the morning is the cheapest time of day to fly from London Heathrow Airport to Portugal when you can find flight prices for as low as $487. Flying to Portugal in the morning is an ideal time because this is during off-peak travel hours. Flights in the evening are often more expensive, with an average ticket price of $561.

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 $399 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 $334 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?

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Portugal.

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	$186
Fastest flight time	2h 45m
Direct flights	Every day
Airports in Portugal	2 airports

The best one-way flight to Portugal from London Heathrow Airport in the past 72 hours is $186. The best return flight deal from London Heathrow Airport to Portugal found on momondo in the last 72 hours is $529.

The fastest flight from London Heathrow Airport to Portugal takes 2h 45m

Direct flights go from London Heathrow Airport to Portugal every day.

There are 2 airports near Portugal: Faro (FAO), 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?
There are 2 operators available for flights from London Heathrow Airport to Portugal as of October 2025.
How old do you have to be to fly from London Heathrow Airport to Portugal?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Portugal.
What documentation or ID do you need to fly to Portugal?
The travel and health documents you'll need for your trip to Portugal may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Portugal. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London Heathrow Airport to Portugal?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London Heathrow Airport to Portugal is Airbus A320-100/200 (17.04% of total bookings). The next most popular plane models are Airbus A320neo (13.38%), Airbus A321neo (12.61%), and Airbus A319 (10.85%).

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
British Airways	PriceFrom $194	Free cancellation	Rating 6.7 7,487 reviews		Search British Airways flights
TAP AIR PORTUGAL	PriceFrom $245	Free cancellation	Rating 7.1 2,039 reviews		Search TAP AIR PORTUGAL flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portugal from London.

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

Yes. All flights to Portugal from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

If you are simply researching potential flights to Portugal, momondo offers a useful price alert feature which will track prices for flights to Portugal from London and alert you when they 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

Look for other cheap flights to Lisbonfrom $1,398

Look for other cheap flights to Portofrom $1,428

Look for other cheap flights to Farofrom $2,024

Look for other cheap flights to Funchalfrom $2,004

Look for other cheap flights to Ponta Delgadafrom $3,060

Cheap flights from London Heathrow Airport to Portugal from $152

Big names, great deals

Big names, great deals

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Filter for what you want

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Find the cheapest flights from London Heathrow Airport to Portugal

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TAP AIR PORTUGAL flights from London Heathrow Airport to Portugal

Our best TAP AIR PORTUGAL deals on London Heathrow Airport to Portugal flight tickets

Lufthansa flights from London Heathrow Airport to Portugal

Our best Lufthansa deals on London Heathrow Airport to Portugal flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Portugal that are best for you.

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?

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

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

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?

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?

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Portugal.

What is the cheapest airline that flies from London Heathrow to Portugal?

TAP AIR PORTUGAL, British Airways, and Vueling are the most popular carriers operating from London Heathrow to Portugal

How many flights depart from London Heathrow Airport to Portugal on average per day?

48 flights are operational daily from London Heathrow Airport to Portugal as of October 2025. The most popular departure time for this route is 18:00, with 38% of flights per day taking off in the afternoon.

How many flights depart from London Heathrow Airport to Portugal on average per week?

The number of flights available between London Heathrow Airport and Portugal is 336 per week as of October 2025. The most frequent departure day is Thu, with 24% of weekly flights leaving on this day.

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

Fastest flight time

Direct flights

Airports in Portugal

When did momondo last update prices for flights from London Heathrow Airport to Portugal?

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?

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

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

Why use momondo?

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

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

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

I’m not ready to book a flight from London to Portugal right now. Can momondo alert me if 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Popular Cities in Portugal

Popular flights according to clicks in the last 7 days on momondo