What’s the top stopover airport for flights from Porto to London Heathrow Airport?

Brussels (BRU) – chosen by Cheapflights users on 50% of one-stop itineraries from Porto to London Heathrow Airport on Cheapflights.

Which airport typically offers the quickest stopover for flights from Porto to London Heathrow Airport?

Flights via Brussels (BRU) offer the fastest connection on this route, with an average stopover time of 1h 10m.

What’s the cheapest stopover airport for flights from Porto to London Heathrow Airport?

Lisbon (LIS) is the most affordable one-stop option, with an average return flight price of £223.

What’s the fastest stopover option from Porto to London Heathrow Airport?

Flights via Brussels (BRU) have the shortest average one-way travel time for one-stop routes: 4h 45m.

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

Departing from Porto to London Heathrow Airport will take you 4h 40m. There are 806 mi between Porto and London Heathrow Airport. This flight may include one or multiple stops.

What is the cheapest day to fly from Porto to London Heathrow Airport?

Travellers seeking maximum savings on their Porto to London Heathrow Airport flight should consider departing on Thursday mornings when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 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.

£51+ Flights from Porto to London Heathrow Airport

Cheap flight deals from Porto to Heathrow

Round-trip from	£125
One-way from	£51
Popular in	July
Cheapest in	February
Average price	£194

Vueling
8/11-11/11
2 total stops
25h 55m total
Porto to London

Search Deals

Vueling
13/11
1 total stop
18h 50m total
Porto to London

Search Deals

Highest demand for flights based on searches. 23% potential increase in price (£42 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 September 2025

Search Deals

Find flight deals from Porto to Heathrow

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 17 September 2025.

Mon 22/1208:45OPO - LHR

1 stop9h 15mMultiple Airlines

Thu 8/119:40LHR - OPO

1 stop11h 10mMultiple Airlines

Deal found 16/9£133

Wed 15/1006:00OPO - LHR

1 stop8h 15mMultiple Airlines

Tue 21/1020:50LHR - OPO

1 stop9h 55mMultiple Airlines

Deal found 16/9£134

Fri 14/1109:00OPO - LHR

1 stop9h 55mTAP AIR PORTUGAL

Sun 16/1112:25LHR - OPO

1 stop5h 40mTAP AIR PORTUGAL

Deal found 16/9£139

Thu 11/1209:00OPO - LHR

1 stop6h 30mTAP AIR PORTUGAL

Sun 14/1208:15LHR - OPO

1 stop13h 45mTAP AIR PORTUGAL

Deal found 15/9£140

Sat 8/1112:00OPO - LHR

1 stop5h 30mTAP AIR PORTUGAL

Tue 11/1106:00LHR - OPO

1 stop7h 05mTAP AIR PORTUGAL

Deal found 15/9£141

Mon 10/1116:10OPO - LHR

1 stop6h 30mTAP AIR PORTUGAL

Mon 17/1106:00LHR - OPO

1 stop9h 20mTAP AIR PORTUGAL

Deal found 16/9£142

Thu 6/1111:15OPO - LHR

1 stop6h 15mTAP AIR PORTUGAL

Thu 13/1112:25LHR - OPO

1 stop5h 35mTAP AIR PORTUGAL

Deal found 16/9£142

Sun 23/1106:55OPO - LHR

1 stop5h 45mTAP AIR PORTUGAL

Sat 29/1112:25LHR - OPO

1 stop5h 35mTAP AIR PORTUGAL

Deal found 16/9£143

Sat 8/1120:05OPO - LHR

2 stops37h 05mVueling

Sat 15/1120:50LHR - OPO

1 stop11h 20mVueling

Deal found 15/9£144

Sat 8/1110:00OPO - LHR

1 stop7h 30mMultiple Airlines

Sat 15/1120:50LHR - OPO

1 stop11h 20mMultiple Airlines

Deal found 15/9£145

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 17 September 2025.

Mon 12/108:35OPO - LHR

1 stop5h 50mVueling

Thu 15/115:15LHR - OPO

1 stop17h 05mVueling

Deal found 15/9£140

Sat 8/1116:10OPO - LHR

1 stop4h 40mKLM

Mon 10/1110:00LHR - OPO

1 stop5h 25mKLM

Deal found 15/9£151

Sat 13/1212:00OPO - LHR

1 stop6h 55mTAP AIR PORTUGAL

Sun 11/116:30LHR - OPO

1 stop5h 30mTAP AIR PORTUGAL

Deal found 16/9£155

Sun 11/106:30OPO - LHR

1 stop9h 35mMultiple Airlines

Sun 18/119:55LHR - OPO

1 stop11h 20mMultiple Airlines

Deal found 16/9£170

Sat 14/306:00OPO - LHR

1 stop16h 20mLufthansa

Sun 15/320:15LHR - OPO

1 stop16h 35mLufthansa

Deal found 15/9£172

Fri 16/112:00OPO - LHR

1 stop5h 30mTAP AIR PORTUGAL

Sun 18/113:40LHR - OPO

1 stop5h 15mTAP AIR PORTUGAL

Deal found 15/9£156

Sat 6/1221:55OPO - LHR

1 stop11h 15mVueling

Tue 9/1209:55LHR - OPO

1 stop11h 20mVueling

Deal found 15/9£171

Mon 17/1116:10OPO - LHR

1 stop5h 25mTAP AIR PORTUGAL

Thu 20/1112:25LHR - OPO

1 stop5h 35mTAP AIR PORTUGAL

Deal found 15/9£157

Mon 2/316:10OPO - LHR

1 stop5h 25mTAP AIR PORTUGAL

Thu 5/312:25LHR - OPO

1 stop5h 35mTAP AIR PORTUGAL

Deal found 15/9£166

Last-minute flights from Porto to Heathrow
Discover last-minute flight deals from Porto to Heathrow. Data last updated 17 September 2025 and is based on user searches.

Wed 1/1022:00OPO - LHR

1 stop11h 10mVueling

Fri 3/1020:50LHR - OPO

1 stop19h 25mVueling

Deal found 16/9£155

Mon 6/1022:00OPO - LHR

1 stop11h 10mMultiple Airlines

Thu 9/1019:50LHR - OPO

1 stop11h 55mMultiple Airlines

Deal found 16/9£158

Wed 15/1006:00OPO - LHR

1 stop8h 15mMultiple Airlines

Tue 21/1020:50LHR - OPO

1 stop9h 55mMultiple Airlines

Deal found 16/9£134

Thu 23/1016:00OPO - LHR

1 stop6h 00mTAP AIR PORTUGAL

Sun 26/1019:55LHR - OPO

1 stop11h 20mTAP AIR PORTUGAL

Deal found 15/9£151

Thu 23/1010:00OPO - LHR

1 stop5h 35mTAP AIR PORTUGAL

Sat 1/1112:25LHR - OPO

1 stop5h 35mTAP AIR PORTUGAL

Deal found 15/9£153

Thu 23/1016:00OPO - LHR

1 stop6h 00mTAP AIR PORTUGAL

Wed 29/1018:30LHR - OPO

1 stop13h 30mTAP AIR PORTUGAL

Deal found 15/9£158

Fri 24/1016:00OPO - LHR

1 stop6h 55mTAP AIR PORTUGAL

Sun 26/1019:55LHR - OPO

1 stop11h 20mTAP AIR PORTUGAL

Deal found 16/9£161

Thu 30/1007:00OPO - LHR

1 stop5h 40mTAP AIR PORTUGAL

Thu 6/1119:55LHR - OPO

1 stop11h 50mTAP AIR PORTUGAL

Deal found 15/9£150

Fri 31/1019:00OPO - LHR

1 stop21h 20mMultiple Airlines

Mon 3/1118:50LHR - OPO

1 stop13h 20mMultiple Airlines

Deal found 16/9£152

Fri 31/1014:20OPO - LHR

1 stop7h 15mTAP AIR PORTUGAL

Mon 3/1113:40LHR - OPO

1 stop5h 20mTAP AIR PORTUGAL

Deal found 16/9£162

Fri 31/1014:20OPO - LHR

1 stop7h 15mTAP AIR PORTUGAL

Fri 7/1112:25LHR - OPO

1 stop5h 35mTAP AIR PORTUGAL

Deal found 16/9£163

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 17 September 2025.

Thu 13/1119:55OPO - LHR

1 stop18h 50mVueling

Deal found 15/9£51

Thu 16/1020:40OPO - LHR

1 stop18h 05mVueling

Deal found 16/9£56

Tue 14/1020:15OPO - LHR

1 stop18h 30mVueling

Deal found 16/9£58

Wed 15/1022:00OPO - LHR

1 stop11h 10mVueling

Deal found 16/9£59

Wed 26/1121:55OPO - LHR

1 stop20h 05mVueling

Deal found 16/9£59

Sat 4/1022:20OPO - LHR

1 stop10h 50mMultiple Airlines

Deal found 15/9£65

Mon 15/1212:25OPO - LHR

1 stop5h 50mIberia

Deal found 15/9£66

Wed 15/1013:20OPO - LHR

1 stop6h 45mMultiple Airlines

Deal found 15/9£67

Sun 14/1208:20OPO - LHR

1 stop8h 55mIberia

Deal found 15/9£69

Mon 15/1207:35OPO - LHR

2 stops7h 10mMultiple Airlines

Deal found 15/9£70

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

08:35-14:25

1 stop5h 50m

London Heathrow

Thu 15/1

15:15-08:20

1 stop17h 05m

£140

PortoLondon

OPO - LHR

OPOLHR

Porto

Sat 8/11

16:10-20:50

1 stop4h 40m

London Heathrow

Mon 10/11

10:00-15:25

1 stop5h 25m

£151

PortoLondon

OPO - LHR

OPOLHR

Porto

Sat 13/12

12:00-18:55

1 stop6h 55m

London Heathrow

Sun 11/1

16:30-22:00

1 stop5h 30m

£155

PortoLondon

OPO - LHR

OPOLHR

Porto

Fri 16/1

12:00-17:30

1 stop5h 30m

London Heathrow

Sun 18/1

13:40-18:55

1 stop5h 15m

£156

PortoLondon

OPO - LHR

OPOLHR

Porto

Mon 17/11

16:10-21:35

1 stop5h 25m

London Heathrow

Thu 20/11

12:25-18:00

1 stop5h 35m

£157

PortoLondon

OPO - LHR

OPOLHR

Porto

Mon 2/3

16:10-21:35

1 stop5h 25m

London Heathrow

Thu 5/3

12:25-18:00

1 stop5h 35m

£166

PortoLondon

OPO - LHR

OPOLHR

Porto

Sun 11/1

06:30-16:05

1 stop9h 35m

London Heathrow

Sun 18/1

19:55-07:15

1 stop11h 20m

£170

PortoLondon

OPO - LHR

OPOLHR

Porto

Sat 6/12

21:55-09:10

1 stop11h 15m

London Heathrow

Tue 9/12

09:55-21:15

1 stop11h 20m

£171

PortoLondon

OPO - LHR

OPOLHR

Porto

Sat 14/3

06:00-22:20

1 stop16h 20m

London Heathrow

Sun 15/3

20:15-12:50

1 stop16h 35m

£172

PortoLondon

OPO - LHR

OPOLHR

Porto

Thu 13/11

19:55-14:45

1 stop18h 50m

£51

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 20 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

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 £112). Flying from Porto to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

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

One of the essential ways to save on airfare from Porto to London Heathrow Airport is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the morning could potentially save you up to 38% on airfare.

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 4h 40m. 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, January is the cheapest month in which you can book a flight from Porto to London Heathrow Airport (average of £112). Flying from Porto to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

See more FAQs

Milton Keynes

Croydon

Hounslow

Slough

Gatwick

Northampton

Luton

Deal

Wembley

Ilford

Crawley

Hayes

Watford

Winchester

Chichester

Ipswich

Swindon

Dartford

Guildford

Brentford

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Porto to Heathrow

Direct flights to England

Direct flights to London

Direct flights to Manchester

Direct flights to Birmingham

Direct flights to Newcastle upon Tyne

Direct flights to Newquay

Direct flights to Bristol

Direct flights to Liverpool

Direct flights to Leeds

Direct flights to Exeter

Direct flights to Darlington

Direct flights to Grimsby

Direct flights to Cardiff

Direct flights to Norwich

Other flights to Heathrow

Newcastle upon Tyne to Heathrow flights

Derry to Heathrow flights

Belfast City to Heathrow flights

Aberdeen to Heathrow flights

Manchester to Heathrow flights

Edinburgh to Heathrow flights

London Heathrow Airport to Santiago de Compostela flights

London Heathrow Airport to Paris Orly Airport flights

London Heathrow Airport to Inverness flights

London Heathrow Airport to Bilbao flights

London Heathrow Airport to Barcelona-El Prat Airport flights

London Heathrow Airport to Cork flights

London Heathrow Airport to Newcastle upon Tyne flights

London Heathrow Airport to Santiago de Compostela flights

London Heathrow Airport to Belfast City Airport flights

London Heathrow Airport to Bilbao flights

London Heathrow Airport to Manchester flights

London Heathrow Airport to Knock flights

London Heathrow Airport to Nice flights

London Heathrow Airport to Naples flights

London Heathrow Airport to Hamburg flights

London Heathrow Airport to Belgrade flights

London Heathrow Airport to Inverness flights

London Heathrow Airport to Brussels Bruxelles-National Airport flights

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Porto today with Cheapflights!

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

Cheapflights helps you find that perfect flight to Heathrow from Porto by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes! Cheapflights helps users easily find flights from Porto to Heathrow with no change fees.

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

Not ready to book yet? You can track prices for flights from Porto to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Porto to London Heathrow Airport from £51

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 13/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Porto to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 17 September 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 17 September 2025.

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?

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

What’s the top stopover airport for flights from Porto to London Heathrow Airport?

What’s the fastest stopover option from Porto to London Heathrow Airport?

What’s the fastest stopover option from Porto to London Heathrow Airport?

Which airport typically offers the quickest stopover for flights from Porto to London Heathrow Airport?

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?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Porto to Heathrow

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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?

100% Free

Book with Flexibility

Travel Smart

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 17 September 2025.