How often are flights from London to Portugal delayed?

Historically, on average around 24% of flights between London and Portugal have experienced a delay on any given week. The average delay length over the past 12 months has been 105 minutes.

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

Vueling is the most popular carrier operating from London Heathrow to Portugal

Which airline has the best punctuality record on London to Portugal flights?

According to our data, British Airways has had the least delays on this route over the last 12 months, with about 18% of their flights experiencing any sort of delay.

What is the most punctual flight time for London to Portugal flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

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

Prices for flights from London Heathrow Airport to Portugal are refreshed on a daily basis.

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

As of June 2026, there is 1 operator available to choose from 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 for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. 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 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.

C$ 112 Cheap Flights from London Heathrow Airport to Portugal in 2026

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

282 flights are operational weekly from London Heathrow Airport to Portugal as of June 2026. The most popular departure day for this route is Tue, with 26% of flights per week taking off on this day.

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

40 flights are operational daily from London Heathrow Airport to Portugal as of June 2026. The most popular departure time for this route is 1:00p.m., with 39% of flights per day taking off in the afternoon.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from London Heathrow Airport to Portugal

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:50 p.m. - 8:30 a.m.

LHR

LIS

11h 40m

1 stop

5:40 p.m. - 9:10 a.m.

LIS

LHR

15h 30m

1 stop

C$ 221Vueling

Sat, 12 Dec - Thu, 17 Dec

8:50 p.m. - 8:30 a.m.

LHR

LIS

11h 40m

1 stop

9:05 a.m. - 8:05 p.m.

LIS

LHR

11h 00m

1 stop

C$ 234Vueling

Sat, 12 Dec - Thu, 17 Dec

8:50 p.m. - 8:30 a.m.

LHR

LIS

11h 40m

1 stop

9:05 a.m. - 8:05 p.m.

LIS

LHR

11h 00m

1 stop

C$ 235Vueling

Sat, 12 Dec - Thu, 17 Dec

8:50 p.m. - 8:30 a.m.

LHR

LIS

11h 40m

1 stop

9:05 a.m. - 8:05 p.m.

LIS

LHR

11h 00m

1 stop

C$ 244Vueling

Tue, 1 Dec - Sun, 13 Dec

9:55 a.m. - 6:25 p.m.

LHR

LIS

8h 30m

1 stop

7:10 p.m. - 9:10 a.m.

LIS

LHR

14h 00m

1 stop

C$ 245Vueling

Wed, 2 Sep - Wed, 16 Sep

8:50 p.m. - 8:30 a.m.

LHR

LIS

11h 40m

1 stop

8:55 a.m. - 2:45 p.m.

LIS

LHR

5h 50m

1 stop

C$ 246Vueling

Thu, 3 Sep - Thu, 10 Sep

8:50 p.m. - 8:00 a.m.

LHR

OPO

11h 10m

1 stop

10:00 p.m. - 9:10 a.m.

OPO

LHR

11h 10m

1 stop

C$ 246Vueling

Sat, 19 Sep - Tue, 22 Sep

8:50 p.m. - 8:30 a.m.

LHR

LIS

11h 40m

1 stop

7:10 p.m. - 9:10 a.m.

LIS

LHR

14h 00m

1 stop

C$ 252Vueling

Tue, 29 Sep - Tue, 6 Oct

8:50 p.m. - 1:25 p.m.

LHR

LIS

16h 35m

1 stop

9:05 a.m. - 8:05 p.m.

LIS

LHR

11h 00m

1 stop

C$ 258Vueling

Fri, 20 Nov - Sun, 22 Nov

9:55 a.m. - 4:10 p.m.

LHR

OPO

6h 15m

1 stop

10:00 p.m. - 9:10 a.m.

OPO

LHR

11h 10m

1 stop

C$ 259Vueling

Wed, 16 Sep - Wed, 16 Sep

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

British Airways flights from London Heathrow Airport to Portugal

Our best British Airways deals on London Heathrow Airport to Portugal flight tickets

British Airways

7 Dec

LHR6:55 p.m.London Heathrow

2h 50m

LIS9:45 p.m.Lisbon Humberto Delgado

12 Dec

LIS11:05 a.m.Lisbon Humberto Delgado

2h 55m

LHR2:00 p.m.London Heathrow

C$ 280

British Airways

30 Oct

LHR3:05 p.m.London Heathrow

2h 55m

LIS6:00 p.m.Lisbon Humberto Delgado

12 Nov

LIS12:55 p.m.Lisbon Humberto Delgado

2h 55m

LHR3:50 p.m.London Heathrow

C$ 298

British Airways

13 Nov

LHR3:05 p.m.London Heathrow

2h 55m

LIS6:00 p.m.Lisbon Humberto Delgado

20 Nov

LIS12:55 p.m.Lisbon Humberto Delgado

2h 55m

LHR3:50 p.m.London Heathrow

C$ 300

KLM flights from London Heathrow Airport to Portugal

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

KLM

28 Aug

LHR5:10 p.m.London Heathrow

5h 40m

1 stop

LIS10:50 p.m.Lisbon Humberto Delgado

6 Sep

LIS5:00 a.m.Lisbon Humberto Delgado

5h 45m

1 stop

LHR10:45 a.m.London Heathrow

C$ 308

KLM

28 Aug

LHR5:10 p.m.London Heathrow

5h 40m

1 stop

LIS10:50 p.m.Lisbon Humberto Delgado

6 Sep

LIS5:00 a.m.Lisbon Humberto Delgado

5h 45m

1 stop

LHR10:45 a.m.London Heathrow

C$ 316

KLM

28 Aug

LHR5:10 p.m.London Heathrow

5h 40m

1 stop

LIS10:50 p.m.Lisbon Humberto Delgado

6 Sep

LIS5:00 a.m.Lisbon Humberto Delgado

5h 45m

1 stop

LHR10:45 a.m.London Heathrow

C$ 335

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

Cheapest round-trip

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Sat 12/12

8:50 p.m.-8:30 a.m.

1 stop11h 40m

Lisbon Humberto Delgado

Thu 17/12

5:40 p.m.-9:10 a.m.

1 stop15h 30m

C$ 221

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Sat 12/12

8:50 p.m.-8:30 a.m.

1 stop11h 40m

Lisbon Humberto Delgado

Thu 17/12

9:05 a.m.-8:05 p.m.

1 stop11h 00m

C$ 234

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Sat 12/12

8:50 p.m.-8:30 a.m.

1 stop11h 40m

Lisbon Humberto Delgado

Thu 17/12

9:05 a.m.-8:05 p.m.

1 stop11h 00m

C$ 235

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Tue 1/12

8:50 p.m.-8:30 a.m.

1 stop11h 40m

Lisbon Humberto Delgado

Sun 13/12

9:05 a.m.-8:05 p.m.

1 stop11h 00m

C$ 244

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Wed 2/9

9:55 a.m.-6:25 p.m.

1 stop8h 30m

Lisbon Humberto Delgado

Wed 16/9

7:10 p.m.-9:10 a.m.

1 stop14h 00m

C$ 245

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Thu 3/9

8:50 p.m.-8:30 a.m.

1 stop11h 40m

Lisbon Humberto Delgado

Thu 10/9

8:55 a.m.-2:45 p.m.

1 stop5h 50m

C$ 246

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 19/9

8:50 p.m.-8:00 a.m.

1 stop11h 10m

Porto

Tue 22/9

10:00 p.m.-9:10 a.m.

1 stop11h 10m

C$ 246

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Tue 29/9

8:50 p.m.-8:30 a.m.

1 stop11h 40m

Lisbon Humberto Delgado

Tue 6/10

7:10 p.m.-9:10 a.m.

1 stop14h 00m

C$ 252

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Fri 20/11

8:50 p.m.-1:25 p.m.

1 stop16h 35m

Lisbon Humberto Delgado

Sun 22/11

9:05 a.m.-8:05 p.m.

1 stop11h 00m

C$ 258

Quickest round-trip

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 16/9

9:55 a.m.-4:10 p.m.

1 stop6h 15m

Porto

Wed 16/9

10:00 p.m.-9:10 a.m.

1 stop11h 10m

C$ 259

Flights are sorted by cheapest round-trip 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

Delays

Other information

What is the cheapest month to fly to Portugal?

If you’re not able to fly to Portugal in February, then November is your next best option. Flight prices from London Heathrow Airport to Portugal during November average around C$ 308.

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 Wednesday. Travellers who choose to depart for Portugal on a Wednesday will often find tickets for as low as C$ 369. Flights from London Heathrow Airport to Portugal on a Monday will generally be more expensive and average around C$ 812. 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 at noon when flights can be purchased for as low as C$ 401. Try not to purchase tickets in the evening because they tend to be around C$ 882. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 from London Heathrow Airport 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 C$ 384 when searching weeks out. 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 C$ 336 on momondo.

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

There are 3 cabin classes available to choose from on London Heathrow Airport 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	C$ 282
Fastest flight time	2h 50m
Direct flights	Every day
Airports in Portugal	99 airports

The best one-way flight to Portugal from London Heathrow Airport in the past 72 hours is C$ 282. The best round-trip flight deal from London Heathrow Airport to Portugal found on momondo in the last 72 hours is C$ 415.

The fastest flight from London Heathrow Airport to Portugal takes 2h 50m

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

There are 99 airports in Portugal. From London Heathrow Airport there are direct flights to Lisbon Humberto Delgado (LIS).

Search flight deals

Frequently asked questions about flying from London Heathrow Airport 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 refreshed on a daily basis.
How many operators does momondo search for flights from London Heathrow Airport to Portugal?
As of June 2026, there is 1 operator available to choose from 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 for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. 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 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?
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 (18.52% of total bookings). The next most popular plane models are Airbus A321neo (15.93%), Airbus A320neo (13.56%), and Airbus A319 (11.06%).

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
TAP AIR PORTUGAL	PriceFrom C$ 219	Free Cancellation	Rating 7.2 2,280 reviews		Search TAP AIR PORTUGAL flights
British Airways	PriceFrom C$ 255	Free Cancellation	Rating 6.7 8,054 reviews		Search British Airways 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?

Flights from London to Portugal with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Thu 16/7

Thu 23/7

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal

Popular cities

Other flights from London Heathrow Airport

Other flights to Portugal

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular Cities in Portugal

Flights to Lisbonfrom C$ 535

Flights to Portofrom C$ 636

Flights to Farofrom C$ 735

Flights to Ponta Delgadafrom C$ 687

Flights to Funchalfrom C$ 802

Flights to Lajesfrom C$ 710

Flights to Pico Islandfrom C$ 1,144

Flights to Hortafrom C$ 838

Flights to Velasfrom C$ 1,033

Cheap flights from London Heathrow Airport to Portugal from C$ 112

Find the cheapest flights from London Heathrow Airport to Portugal

Cheap round-trip flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

British Airways flights from London Heathrow Airport to Portugal

Our best British Airways deals on London Heathrow Airport to Portugal flight tickets

KLM flights from London Heathrow Airport to Portugal

Our best KLM 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

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?

How far in advance should I book a flight from London Heathrow Airport to Portugal?

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

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

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

How often are flights from London to Portugal delayed?

What is the most punctual flight time for London to Portugal flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on London to Portugal flights?

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

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

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

Frequently asked questions about flying 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?

An easier way to manage your Portugal trip

We make it super easy to schedule, organize 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

London Heathrow Airport flight routes

According to popular flight searches on momondo this year

Portugal flight routes

According to popular flight searches on momondo this year

Fly your favourite airline to Portugal

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Portugal

List of cabin classes available on flights landing in Portugal. Availability may vary depending on flight origin and airline.

Complete your trip to Portugal

Explore popular destinations other users love

According to popular flight searches on momondo this year