Question 1

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

Accepted Answer

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

Question 2

How often are flights from Portugal to London delayed?

Accepted Answer

Historically, on average around 27% of flights between Portugal and London have experienced a delay on any given week. The average delay length over the past 12 months has been 110 minutes.

Question 3

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

Accepted Answer

You could potentially save up to 19% on your flight if you consider stops on a Portugal to London Heathrow Airport flight.

Question 4

How long does it take to fly to London Heathrow Airport?

Accepted Answer

If you’re flying from a popular airport in Portugal, such as Faro or Lisbon, and flying into London Heathrow Airport, then you can expect flight times to average 2h 45m and 2h 45m, respectively.

Question 5

What is the cheapest month to fly to London Heathrow Airport?

Accepted Answer

In general, February is the cheapest month to fly from Portugal to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £130. The month of March is another great option to travel to London Heathrow Airport, with average flight prices from Portugal averaging around £130.

Question 6

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

Accepted Answer

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 23% of their flights experiencing any sort of delay.

Question 7

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

Accepted Answer

The number of flights available between Portugal and London Heathrow Airport is 33 per day as of January 2026. The most frequent departure time is 14:00, with 51% of daily flights leaving in the afternoon.

Question 8

What is the cheapest day to depart on your flight to London Heathrow Airport?

Accepted Answer

On average, the least expensive day to fly to London Heathrow Airport from Portugal is on a Saturday. momondo users have found tickets for Saturday departures for as low as £176. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Monday is £303.

Question 9

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

Accepted Answer

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Portugal to London Heathrow Airport in the evening for as low as £166. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £249 on average. Flights to London Heathrow Airport from Portugal in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

Question 10

What is the cheapest Portugal to London Heathrow flight route?

Accepted Answer

Fly from Faro to London Heathrow for the best Portugal - London Heathrow flight prices

Question 11

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

Accepted Answer

232 flights are operational weekly from Portugal to London Heathrow Airport as of January 2026. The most popular departure day for this route is Mon, with 19% of flights per week taking off on this day.

Question 12

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

Accepted Answer

You are more likely to see cheaper flights to London Heathrow Airport from Portugal when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £177 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Portugal for as low as £135 on momondo.

Question 13

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

Accepted Answer

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

Question 14

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

Accepted Answer

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

Question 15

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

Accepted Answer

Wednesday 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.

Question 16

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

Accepted Answer

Prices for flights from Portugal to London Heathrow Airport were last updated today.

Question 17

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

Accepted Answer

As of January 2026, there are 2 operators available to choose from for flights from Portugal to London Heathrow Airport.

Question 18

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

Accepted Answer

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portugal to London Heathrow Airport.

Question 19

What documentation or ID do you need to fly to London Heathrow Airport?

Accepted Answer

The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best price found	£62
Fastest flight time	2h 45m
Direct flights	Every day

Airline	Rating	Free Cancellation	Price
TAP AIR PORTUGAL	PriceFrom £99	Free Cancellation	Rating 7.1 2,123 reviews		Search TAP AIR PORTUGAL flights
British Airways	PriceFrom £115	Free Cancellation	Rating 6.7 7,690 reviews		Search British Airways flights

Cheap flights from Portugal to London from £34

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

What is the cheapest month to fly to London Heathrow Airport?

What is the cheapest day to depart on your flight to London Heathrow Airport?

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

What is the cheapest Portugal to London Heathrow flight route?

Fly from Faro to London Heathrow for the best Portugal - London Heathrow flight prices

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

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

There are 3 cabin classes available to choose from on Portugal to London Heathrow 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 Portugal to London Heathrow Airport flights?

You could potentially save up to 19% on your flight if you consider stops on a Portugal to London Heathrow Airport flight.

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

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

How often are flights from Portugal to London delayed?

Historically, on average around 27% of flights between Portugal and London have experienced a delay on any given week. The average delay length over the past 12 months has been 110 minutes.

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

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

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

Wednesday 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.

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

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 23% of their flights experiencing any sort of delay.

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

The number of flights available between Portugal and London Heathrow Airport is 33 per day as of January 2026. The most frequent departure time is 14:00, with 51% of daily flights leaving in the afternoon.

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

232 flights are operational weekly from Portugal to London Heathrow Airport as of January 2026. The most popular departure day for this route is Mon, with 19% of flights per week taking off on this day.

How long does it take to fly to London Heathrow Airport?

If you’re flying from a popular airport in Portugal, such as Faro or Lisbon, and flying into London Heathrow Airport, then you can expect flight times to average 2h 45m and 2h 45m, respectively.

Cheap Portugal to London Heathrow Airport flight deals and tips

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

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

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

What documentation or ID do you need to fly to London Heathrow Airport?

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