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

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

How often are flights from Porto to London delayed?

About 2% of weekly flights between Porto and London have experienced delays in the past year, with the average delay time being 321 minutes.

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

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

What is the cheapest time of day to fly from OPO to LHR?

When flying from Porto to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Porto-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Porto-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Porto-London Heathrow Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Porto-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Porto-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Porto to London Heathrow?

Porto (OPO) is the airport you will fly out of if you book a flight from Porto to London Heathrow. You should not have trouble finding flights to London Heathrow from Porto; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Porto airport to London Heathrow. It is only a 6.8 mi journey to Porto (OPO) from Porto’s city center.

Can I find deals for flights from Porto to Heathrow that include hotel bookings?

Yes. In addition to deals on Porto to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Porto to Heathrow?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Porto to Heathrow.

Can I find deals for business class flights from Porto to Heathrow?

Yes. Cheapflights offers flight deals from Porto to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$61+ Cheap Flights from Porto to London Heathrow Airport

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Cheap flight deals from Porto to Heathrow

Cheapest

Best

Last-minute

One-way

Cheapest flights from Porto to Heathrow
Explore the most affordable flight options available from Porto to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 12, 2026.

Mon 12/76:30 am -

1 stop13h 35m

Thu 12/108:50 pm -

1 stop10h 10m

Deal found 10/11

$154

Mon 12/78:45 am -

1 stop11h 20m

Thu 12/108:50 pm -

1 stop11h 20m

Deal found 10/8

$164

Sat 11/2810:05 pm -

1 stop11h 05m

Wed 12/28:50 pm -

1 stop11h 20m

Deal found 10/10

$166

Sat 11/2810:05 pm -

1 stop11h 05m

Tue 12/18:50 pm -

1 stop11h 20m

Deal found 10/10

$169

Fri 11/204:00 pm -

1 stop5h 35m

Sat 11/289:55 am -

1 stop13h 55m

Deal found 10/8

$174

Wed 11/252:30 pm -

1 stop7h 05m

Wed 12/28:50 pm -

1 stop11h 20m

Deal found 10/11

$175

Mon 11/309:55 pm -

1 stop11h 15m

Thu 12/39:55 am -

1 stop9h 30m

Deal found 10/7

$178

Tue 11/2411:00 am -

1 stop6h 30m

Tue 12/18:50 pm -

1 stop14h 30m

Deal found 10/9

$180

Tue 11/171:45 pm -

1 stop5h 50m

Wed 11/186:35 am -

1 stop6h 15m

Deal found 10/11

$182

Sat 11/216:10 am -

1 stop6h 50m

Mon 11/236:35 am -

1 stop6h 15m

Deal found 10/7

$183

Tue 12/81:45 pm -

1 stop5h 50m

Thu 12/106:35 am -

1 stop6h 40m

Deal found 10/8

$184

Tue 12/11:45 pm -

1 stop7h 15m

Fri 12/45:50 pm -

1 stop6h 05m

Deal found 10/11

$186

Best flights from Porto to Heathrow
Discover carefully curated flight deals from Porto to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 12, 2026.

Tue 11/247:00 am -

2 stops15h 30m

Mon 12/74:10 pm -

1 stop17h 45m

Deal found 10/9

$893

Thu 12/1010:55 am -

1 stop22h 50m

Mon 12/1410:40 pm -

2 stops16h 20m

Deal found 10/7

$893

Wed 11/184:25 pm -

1 stop30h 05m

Fri 11/2010:40 pm -

2 stops14h 50m

Deal found 10/12

$893

Fri 11/2710:55 am -

1 stop11h 35m

Tue 12/110:40 pm -

2 stops14h 50m

Deal found 10/7

$893

Sun 12/277:00 am -

2 stops15h 30m

Sat 1/24:00 pm -

1 stop23h 25m

Deal found 10/8

$900

Tue 11/178:00 pm -

2 stops20h 20m

Sat 11/2110:40 pm -

2 stops14h 50m

Deal found 10/9

$1,250

Mon 11/308:30 am -

2 stops14h 00m

Sat 12/510:40 pm -

2 stops16h 20m

Deal found 10/7

$1,273

Last-minute flights from Porto to Heathrow
Discover last-minute flight deals from Porto to Heathrow. Data last updated October 12, 2026 and is based on user searches.

Sun 11/88:20 am -

1 stop24h 50m

Sat 11/149:55 am -

1 stop13h 55m

Deal found 10/11

$187

Fri 11/136:15 am -

1 stop16h 40m

Thu 11/197:40 am -

1 stop16h 15m

Deal found 10/9

$189

Tue 11/171:45 pm -

1 stop5h 50m

Wed 11/186:35 am -

1 stop6h 15m

Deal found 10/11

$182

Fri 11/204:00 pm -

1 stop5h 35m

Sat 11/289:55 am -

1 stop13h 55m

Deal found 10/8

$174

Fri 11/207:00 am -

1 stop10h 30m

Sat 11/217:55 pm -

1 stop17h 35m

Deal found 10/10

$193

Sat 11/216:10 am -

1 stop6h 50m

Mon 11/236:35 am -

1 stop6h 15m

Deal found 10/7

$183

Sat 11/216:10 am -

1 stop6h 50m

Sun 11/226:00 am -

1 stop5h 15m

Deal found 10/10

$192

Tue 11/2411:00 am -

1 stop6h 30m

Tue 12/18:50 pm -

1 stop14h 30m

Deal found 10/9

$180

Wed 11/252:30 pm -

1 stop7h 05m

Wed 12/28:50 pm -

1 stop11h 20m

Deal found 10/11

$175

Sat 11/2810:05 pm -

1 stop11h 05m

Wed 12/28:50 pm -

1 stop11h 20m

Deal found 10/10

$166

Sat 11/2810:05 pm -

1 stop11h 05m

Tue 12/18:50 pm -

1 stop11h 20m

Deal found 10/10

$169

Mon 11/309:55 pm -

1 stop11h 15m

Thu 12/39:55 am -

1 stop9h 30m

Deal found 10/7

$178

One-way flights from Porto to Heathrow
Search for one-way flight options from Porto to Heathrow. Find affordable one-way fares based on user searches. Data last updated October 12, 2026.

Tue 12/158:45 pm -

1 stop21h 15m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/9

$61

Sat 12/59:55 pm -

1 stop11h 15m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/11

$72

Mon 12/217:10 am -

1 stop8h 20m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/10

$73

Tue 11/178:45 pm -

1 stop18h 00m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/7

$75

Sat 12/129:55 pm -

1 stop11h 15m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/11

$77

Tue 1/128:40 pm -

1 stop19h 55m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/12

$79

Sat 11/2810:05 pm -

1 stop11h 05m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/10

$81

Sat 11/289:55 pm -

1 stop11h 15m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/10

$84

Tue 12/1512:25 pm -

1 stop4h 50m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/11

$85

Sat 11/2111:15 am -

1 stop5h 45m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/8

$89

Thu 11/1210:30 am -

1 stop11h 05m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/11

$90

Sun 11/2211:00 am -

1 stop7h 55m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/8

$91

Find flight deals from Porto to Heathrow

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$154 (Mytrip)
One-way from	$61 (Kiwi.com)
Popular in	July
Cheapest in	January
Average price	$262

Provider with most accurate pricing for Porto-London Heathrow flight deals.

Search Deals

Provider most trusted by Cheapflights users for Porto-London Heathrow flights.

Search Deals

From Porto to London Heathrow

Search Deals

One-way flight from Porto to London Heathrow

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($44 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($12 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoLondon

OPO Porto - LHR London Heathrow

OPOLHR

Porto

Wed 12/9

11:15 am-7:15 pm

1 stop8h 00m

London Heathrow

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$89

PortoLondon

OPO Porto - LHR London Heathrow

OPOLHR

Porto

Sat 11/21

11:15 am-5:00 pm

1 stop5h 45m

London Heathrow

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$89

PortoLondon

OPO Porto - LHR London Heathrow

OPOLHR

Porto

Thu 11/12

7:00 am-3:30 pm

1 stop8h 30m

London Heathrow

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$131

Quickest round-trip

PortoLondon

OPO Porto - LHR London Heathrow

OPOLHR

Porto

Thu 1/14

12:05 pm-5:50 pm

1 stop5h 45m

London Heathrow

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$171

PortoLondon

OPO Porto - LHR London Heathrow

OPOLHR

Porto

Sat 12/12

12:40 pm-9:20 pm

1 stop8h 40m

London Heathrow

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$173

PortoLondon

OPO Porto - LHR London Heathrow

OPOLHR

Porto

Mon 12/7

12:55 pm-9:20 pm

1 stop8h 25m

London Heathrow

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$173

PortoLondon

OPO Porto - LHR London Heathrow

OPOLHR

Porto

Thu 4/8

6:20 am-12:50 pm

1 stop6h 30m

London Heathrow

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$214

PortoLondon

OPO Porto - LHR London Heathrow

OPOLHR

Porto

Tue 11/10

1:45 pm-7:35 pm

1 stop5h 50m

London Heathrow

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$224

PortoLondon

OPO Porto - LHR London Heathrow

OPOLHR

Porto

Sat 4/10

6:00 am-12:40 pm

1 stop6h 40m

London Heathrow

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$232

PortoLondon

OPO Porto - LHR London Heathrow

OPOLHR

Porto

Sun 12/6

12:50 pm-9:20 pm

1 stop8h 30m

London Heathrow

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/8

Showing 1-10 of 19 resultsSorted by cheapest first

Compare providers for flights from Porto to Heathrow

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Porto to Heathrow in October.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Porto-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Porto-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Porto-London Heathrow Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Porto-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Porto-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Porto to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Porto with our price prediction graph.

OPO-LHR

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Porto to London Heathrow Airport

Prices

Delays

What is the cheapest month to book a flight from Porto to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Porto to London Heathrow Airport (average of $187). Flying from Porto to London Heathrow Airport in July is currently the most expensive (average of $397). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Porto to London Heathrow Airport?

Airfare is below average for this route at the moment.

Porto to London Heathrow Airport flights typically cost between $199 and $298 in December.
The cheapest round-trip price found within the last 5 days was $154 on Multiple Airlines (Dec 7-Dec 10).

Related info for your journey

What airport do you fly from for flights from Porto to London Heathrow?
Porto (OPO) is the airport you will fly out of if you book a flight from Porto to London Heathrow. You should not have trouble finding flights to London Heathrow from Porto; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Porto airport to London Heathrow. It is only a 6.8 mi journey to Porto (OPO) from Porto’s city center.
Can I find deals for flights from Porto to Heathrow that include hotel bookings?
Yes. In addition to deals on Porto to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Porto to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Porto to Heathrow.
Can I find deals for business class flights from Porto to Heathrow?
Yes. Cheapflights offers flight deals from Porto to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Porto to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Porto to London Heathrow Airport (average of $187). Flying from Porto to London Heathrow Airport in July is currently the most expensive (average of $397). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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$61+ Cheap flights from Porto (OPO) to Heathrow (LHR)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/15. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Porto to Heathrow

Cheapest flights from Porto to HeathrowExplore the most affordable flight options available from Porto to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 12, 2026.

Explore the most affordable flight options available from Porto to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 12, 2026.

Best flights from Porto to HeathrowDiscover carefully curated flight deals from Porto to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 12, 2026.

Discover carefully curated flight deals from Porto to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 12, 2026.

Last-minute flights from Porto to HeathrowDiscover last-minute flight deals from Porto to Heathrow. Data last updated October 12, 2026 and is based on user searches.

Discover last-minute flight deals from Porto to Heathrow. Data last updated October 12, 2026 and is based on user searches.

One-way flights from Porto to HeathrowSearch for one-way flight options from Porto to Heathrow. Find affordable one-way fares based on user searches. Data last updated October 12, 2026.

Search for one-way flight options from Porto to Heathrow. Find affordable one-way fares based on user searches. Data last updated October 12, 2026.

Find flight deals from Porto to Heathrow

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Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Compare providers for flights from Porto to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Porto to Heathrow in October.

Best time to book a flight from Porto to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Porto with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Porto to London Heathrow Airport?

How much does it cost to fly round-trip from Porto to London Heathrow Airport?

Airfare is below average for this route at the moment.

Porto to London Heathrow Airport flights typically cost between $199 and $298 in December.The cheapest round-trip price found within the last 5 days was $154 on Multiple Airlines (Dec 7-Dec 10).

How often are flights from Porto to London delayed?

About 2% of weekly flights between Porto and London have experienced delays in the past year, with the average delay time being 321 minutes.

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

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

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

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Related info for your journey

What airport do you fly from for flights from Porto to London Heathrow?

Can I find deals for flights from Porto to Heathrow that include hotel bookings?

How can I find direct flights from Porto to Heathrow?

Can I find deals for business class flights from Porto to Heathrow?

What is the cheapest month to book a flight from Porto to London Heathrow Airport?

Traveling to a place near London Heathrow Airport?

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Alternative routes for Porto to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

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Search flights from Porto to Heathrow by cabin class

Find flights from Porto to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 12, 2026.

Porto and Heathrow flights

Browse other Porto and Heathrow flight options. Last updated on October 12, 2026.

Other flights from Porto

Browse through other flights departing from Porto. Flights are based on user searches made on Cheapflights and were last updated on October 12, 2026.

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Cheapest flights from Porto to Heathrow
Explore the most affordable flight options available from Porto to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 12, 2026.

Best flights from Porto to Heathrow
Discover carefully curated flight deals from Porto to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 12, 2026.

Last-minute flights from Porto to Heathrow
Discover last-minute flight deals from Porto to Heathrow. Data last updated October 12, 2026 and is based on user searches.

One-way flights from Porto to Heathrow
Search for one-way flight options from Porto to Heathrow. Find affordable one-way fares based on user searches. Data last updated October 12, 2026.

Porto to London Heathrow Airport flights typically cost between $199 and $298 in December.
The cheapest round-trip price found within the last 5 days was $154 on Multiple Airlines (Dec 7-Dec 10).