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 evening tend to experience delays more often.

How often are flights from Porto to London delayed?

About 5% of weekly flights between Porto and London have experienced delays in the past year, with the average delay time being 85 minutes.

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 Thursday has historically faced a higher average of delays compared to other days of the week.

How long is the flight from Porto to London Heathrow Airport?

Departing from Porto to London Heathrow Airport will take you 5h 50m. There are 806 mi between Porto and London Heathrow Airport. This flight may include one or multiple stops.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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.

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

Porto (OPO), located 6.8 mi from the city center, is the airport you fly out of when you book flights from Porto to London Heathrow. 0 airlines have flights from Porto to London Heathrow on a regular basis. Booking flights from Porto to London Heathrow should not be difficult; the airport handles an average of 0 outbound flights to London Heathrow per day.

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 holiday 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.

£46+ Flights from Porto to London Heathrow Airport

Q: How much does it cost for a return flight 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 £154 and £216 in February. The cheapest return flight price found within the last 3 days was £123 on TAP AIR PORTUGAL (5 Feb-8 Feb).

Cheap flight deals from Porto to Heathrow

Enter your travel dates to find the best prices.

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 5 December 2025.

Mon 22/1211:35OPO - LHR

1 stop6h 40mMultiple Airlines

Thu 1/115:30LHR - OPO

1 stop4h 45mMultiple Airlines

Deal found 3/12£148

Wed 17/1211:25OPO - LHR

1 stop10h 00mAir France

Wed 31/1219:25LHR - OPO

1 stop15h 05mAir France

Deal found 4/12£150

Mon 22/1207:35OPO - LHR

1 stop7h 20mMultiple Airlines

Fri 2/119:40LHR - OPO

1 stop12h 00mMultiple Airlines

Deal found 4/12£153

Mon 22/1211:15OPO - LHR

1 stop5h 45mKLM

Thu 1/117:05LHR - OPO

1 stop5h 20mKLM

Deal found 3/12£160

Wed 24/1211:35OPO - LHR

1 stop5h 40mMultiple Airlines

Mon 29/1206:00LHR - OPO

1 stop7h 00mMultiple Airlines

Deal found 3/12£163

Sat 13/1220:40OPO - LHR

1 stop11h 45mMultiple Airlines

Tue 16/1208:15LHR - OPO

1 stop6h 45mMultiple Airlines

Deal found 3/12£170

Sat 6/1220:40OPO - LHR

1 stop11h 45mMultiple Airlines

Tue 9/1208:15LHR - OPO

1 stop10h 00mMultiple Airlines

Deal found 4/12£179

Thu 25/1208:20OPO - LHR

1 stop6h 35mMultiple Airlines

Mon 29/1206:00LHR - OPO

1 stop7h 00mMultiple Airlines

Deal found 4/12£182

Wed 24/1206:00OPO - LHR

1 stop7h 50mKLM

Mon 29/1206:30LHR - OPO

1 stop8h 55mKLM

Deal found 3/12£185

Fri 5/1211:00OPO - LHR

1 stop7h 55mTAP AIR PORTUGAL

Tue 9/1208:15LHR - OPO

1 stop8h 45mTAP AIR PORTUGAL

Deal found 4/12£189

Best flights from Porto to Heathrow
Discover carefully curated flight deals from Porto to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 December 2025.

Mon 12/120:00OPO - LHR

1 stop16h 40mTAP AIR PORTUGAL

Sun 18/113:40LHR - OPO

1 stop5h 15mTAP AIR PORTUGAL

Deal found 4/12£130

Mon 2/213:45OPO - LHR

1 stop5h 50mLufthansa

Sat 7/206:35LHR - OPO

1 stop6h 15mLufthansa

Deal found 4/12£132

Thu 26/220:05OPO - LHR

1 stop18h 40mVueling

Sun 1/315:15LHR - OPO

1 stop16h 40mVueling

Deal found 3/12£135

Sat 17/111:25OPO - LHR

1 stop5h 10mAir France

Sun 18/119:20LHR - OPO

1 stop15h 10mAir France

Deal found 4/12£151

Thu 5/305:00OPO - LHR

1 stop8h 50mKLM

Mon 9/308:40LHR - OPO

1 stop6h 45mKLM

Deal found 4/12£151

Fri 16/106:30OPO - LHR

1 stop7h 20mMultiple Airlines

Sun 18/119:20LHR - OPO

1 stop15h 10mMultiple Airlines

Deal found 3/12£157

Sat 31/113:45OPO - LHR

1 stop7h 15mLufthansa

Mon 2/206:35LHR - OPO

1 stop6h 15mLufthansa

Deal found 3/12£133

Wed 11/312:00OPO - LHR

1 stop10h 40mTAP AIR PORTUGAL

Sun 15/313:40LHR - OPO

1 stop5h 15mTAP AIR PORTUGAL

Deal found 2/12£161

Wed 11/220:00OPO - LHR

1 stop16h 40mTAP AIR PORTUGAL

Sat 14/219:55LHR - OPO

1 stop12h 05mTAP AIR PORTUGAL

Deal found 4/12£166

Sat 17/111:00OPO - LHR

1 stop7h 55mTAP AIR PORTUGAL

Wed 21/118:30LHR - OPO

1 stop13h 30mTAP AIR PORTUGAL

Deal found 3/12£171

Mon 2/216:10OPO - LHR

1 stop5h 25mTAP AIR PORTUGAL

Thu 5/212:25LHR - OPO

1 stop5h 35mTAP AIR PORTUGAL

Deal found 3/12£177

Last-minute flights from Porto to Heathrow
Discover last-minute flight deals from Porto to Heathrow. Data last updated 5 December 2025 and is based on user searches.

Tue 9/1212:25OPO - LHR

1 stop5h 50mIberia

Thu 11/1210:45LHR - OPO

1 stop9h 15mIberia

Deal found 4/12£221

Wed 10/1212:30OPO - LHR

1 stop8h 20mLufthansa

Thu 11/1206:35LHR - OPO

1 stop6h 40mLufthansa

Deal found 4/12£241

Wed 10/1212:25OPO - LHR

1 stop4h 50mMultiple Airlines

Sun 14/1206:00LHR - OPO

1 stop9h 00mMultiple Airlines

Deal found 3/12£278

Thu 11/1207:00OPO - LHR

1 stop8h 30mTAP AIR PORTUGAL

Mon 15/1208:15LHR - OPO

1 stop8h 45mTAP AIR PORTUGAL

Deal found 4/12£205

Sat 13/1220:40OPO - LHR

1 stop11h 45mMultiple Airlines

Tue 16/1208:15LHR - OPO

1 stop6h 45mMultiple Airlines

Deal found 3/12£170

Sat 13/1212:25OPO - LHR

1 stop4h 50mIberia

Thu 18/1207:30LHR - OPO

1 stop8h 30mIberia

Deal found 3/12£293

Sun 14/1212:25OPO - LHR

1 stop4h 50mIberia

Tue 16/1206:05LHR - OPO

1 stop25h 35mIberia

Deal found 3/12£201

Sun 14/1214:50OPO - LHR

1 stop6h 45mTAP AIR PORTUGAL

Wed 17/1208:15LHR - OPO

1 stop8h 45mTAP AIR PORTUGAL

Deal found 3/12£253

Sun 14/1209:55OPO - LHR

1 stop7h 35mTAP AIR PORTUGAL

Thu 18/1213:40LHR - OPO

1 stop18h 05mTAP AIR PORTUGAL

Deal found 3/12£265

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 5 December 2025.

Tue 10/320:05OPO - LHR

1 stop18h 40mVueling

Deal found 4/12£46

Mon 15/1212:25OPO - LHR

1 stop4h 50mIberia

Deal found 3/12£46

Sun 14/1212:25OPO - LHR

1 stop4h 50mIberia

Deal found 3/12£47

Tue 10/220:40OPO - LHR

1 stop11h 45mIberia

Deal found 3/12£49

Tue 2/620:15OPO - LHR

1 stop18h 30mVueling

Deal found 3/12£52

Thu 18/1206:35OPO - LHR

1 stop8h 20mMultiple Airlines

Deal found 4/12£55

Sun 21/1207:35OPO - LHR

1 stop11h 15mMultiple Airlines

Deal found 4/12£58

Sat 13/1212:25OPO - LHR

1 stop4h 50mIberia

Deal found 3/12£61

Tue 9/1212:25OPO - LHR

1 stop5h 50mIberia

Deal found 3/12£62

Find flight deals from Porto to Heathrow

Round-trip from	£123
One-way from	£46
Popular in	July
Cheapest in	March
Average price	£167

TAP AIR PORTUGAL
5/2-8/2
2 total stops
12h 05m total
Porto to London

Search Deals

Vueling
10/3
1 total stop
18h 40m total
Porto to London

Search Deals

Highest demand for flights based on searches. 21% potential increase in price (£40 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 8% potential price decrease (£11 potential savings vs. average return price).

Search Deals

Average for round-trip flights in December 2025

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

PortoLondon

OPO - LHR

OPOLHR

Porto

Mon 12/1

20:00-12:40

1 stop16h 40m

London Heathrow

Sun 18/1

13:40-18:55

1 stop5h 15m

£130

PortoLondon

OPO - LHR

OPOLHR

Porto

Mon 2/2

13:45-19:35

1 stop5h 50m

London Heathrow

Sat 7/2

06:35-12:50

1 stop6h 15m

£132

PortoLondon

OPO - LHR

OPOLHR

Porto

Sat 31/1

13:45-21:00

1 stop7h 15m

London Heathrow

Mon 2/2

06:35-12:50

1 stop6h 15m

£133

PortoLondon

OPO - LHR

OPOLHR

Porto

Thu 26/2

20:05-14:45

1 stop18h 40m

London Heathrow

Sun 1/3

15:15-07:55

1 stop16h 40m

£135

PortoLondon

OPO - LHR

OPOLHR

Porto

Sat 17/1

11:25-16:35

1 stop5h 10m

London Heathrow

Sun 18/1

19:20-10:30

1 stop15h 10m

£151

PortoLondon

OPO - LHR

OPOLHR

Porto

Thu 5/3

05:00-13:50

1 stop8h 50m

London Heathrow

Mon 9/3

08:40-15:25

1 stop6h 45m

£151

PortoLondon

OPO - LHR

OPOLHR

Porto

Fri 16/1

06:30-13:50

1 stop7h 20m

London Heathrow

Sun 18/1

19:20-10:30

1 stop15h 10m

£157

PortoLondon

OPO - LHR

OPOLHR

Porto

Wed 11/3

12:00-22:40

1 stop10h 40m

London Heathrow

Sun 15/3

13:40-18:55

1 stop5h 15m

£161

PortoLondon

OPO - LHR

OPOLHR

Porto

Wed 11/2

20:00-12:40

1 stop16h 40m

London Heathrow

Sat 14/2

19:55-08:00

1 stop12h 05m

£166

PortoLondon

OPO - LHR

OPOLHR

Porto

Sat 17/1

11:00-18:55

1 stop7h 55m

London Heathrow

Wed 21/1

18:30-08:00

1 stop13h 30m

£171

Flights are sorted by cheapest return flights first.

Deals found on 4/12

Showing 1-10 of 21 results

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.

Estimated return 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, December is the cheapest month in which you can book a flight from Porto to London Heathrow Airport (average of £58). Flying from Porto to London Heathrow Airport in November is currently the most expensive (average of £176). 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 for a return flight from Porto to London Heathrow Airport?

Related info for your journey

What airport do you fly from for flights from Porto to London Heathrow?
Porto (OPO), located 6.8 mi from the city center, is the airport you fly out of when you book flights from Porto to London Heathrow. 0 airlines have flights from Porto to London Heathrow on a regular basis. Booking flights from Porto to London Heathrow should not be difficult; the airport handles an average of 0 outbound flights to London Heathrow per day.
How long is the flight from Porto to London Heathrow Airport?
Departing from Porto to London Heathrow Airport will take you 5h 50m. There are 806 mi between Porto and London Heathrow Airport. This flight may include one or multiple stops.
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 holiday 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, December is the cheapest month in which you can book a flight from Porto to London Heathrow Airport (average of £58). Flying from Porto to London Heathrow Airport in November is currently the most expensive (average of £176). 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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Cheap flights from Porto to London Heathrow Airport from £46

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.

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 5 December 2025.

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 5 December 2025.

Find flight deals from Porto to Heathrow

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Cheapflights Fare Finder

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

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

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

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

How much does it cost for a return flight from Porto to London Heathrow Airport?

How often are flights from Porto to London delayed?

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

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

Related info for your journey

Find useful and relevant information for your journey from Porto to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

How long is the flight from Porto to London Heathrow Airport?

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?

Travelling to a place near London Heathrow Airport?

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How does Cheapflights help users find flights from Porto to Heathrow?

Why should you use Cheapflights to find cheap flight tickets from Porto to Heathrow?

Can Cheapflights find flights from Porto to Heathrow with no change fees?

Can Cheapflights notify me if prices for flights from Porto to Heathrow become cheaper?

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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 5 December 2025.