How often are flights from London to Porto delayed?

About 100% of weekly flights between London and Porto have experienced delays in the past year, with the average delay time being 82 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 Tuesday has historically faced a higher average of delays compared to other days of the week.

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

Lisbon (LIS) – chosen by Cheapflights users on 47% of one-stop itineraries from London Heathrow Airport to Porto on Cheapflights.

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

Flights via Zurich (ZRH) offer the fastest connection on this route, with an average stopover time of 1h 13m.

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

Over the past year, British Airways have had the lowest number of delays on this route, with just 100% of flights being delayed.

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

Flights via Brussels (BRU) have the shortest average one-way travel time for one-stop routes: 5h 33m.

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

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

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

Munich (MUC) is the most affordable one-stop option, with an average return flight price of £198.

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

There are many flights that can get you from London Heathrow Airport to Porto in 5h 35m. Fly via Iberia, Vueling, or TAP AIR PORTUGAL to get the fastest option. Airlines will cover a distance of 806 mi. Both multi-stop and direct flights can be found to your destination and back.

What are the cheapest airlines flying from London Heathrow Airport to Porto round-trip?

Cheapflights users have booked flights from London Heathrow Airport to Porto round-trip from £37. Other airlines that can offer you cheap pricing are Ryanair, from £63, and British Airways, from £81. Users have found that easyJet is 82% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from London Heathrow Airport to Porto one-way?

The cheapest airline one-way is TAP AIR PORTUGAL, with whom users have recently found tickets for as low as £74. However, be on the lookout for offers from Iberia and KLM, as they are both options that can get you from London Heathrow Airport to Porto for a low price.

In terms of precipitation, rainfall in Porto ranges from 18.0 - 195.0 inches per month. December is typically the wettest month, when rainfall can reach 195.0 mm. July is typically the driest time to visit Porto when rainfall is around 18.0 mm.

If weather is an important factor for your trip to Porto, 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 20.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

What are the most popular airlines that fly from London Heathrow Airport to Porto?

Before booking your flight from London Heathrow Airport to Porto check out the most popular airlines for this route: TAP AIR PORTUGAL, Iberia or Brussels Airlines.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Porto as you normally would.

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

Most people fly into Porto (OPO) if they book a flight to Porto from London Heathrow. On average, Porto has 0 inbound flights from London Heathrow per day from 10 airlines. Porto is conveniently located just 6.8 mi from Porto’s city center.

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

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

How can I find direct flights from Heathrow to Porto?

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

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

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

£56+ Flights from London Heathrow Airport to Porto

Cheap flight deals from Heathrow to Porto

Round-trip from	£106
One-way from	£51
Popular in	May
Cheapest in	January
Average price	£149

TAP AIR PORTUGAL
12/2-19/2
2 total stops
18h 25m total
London to Porto

Search Deals

Vueling
9/3
1 total stop
28h 00m total
London to Porto

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£19 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).

Search Deals

Average for round-trip flights in January 2026

Search Deals

Find flight deals from Heathrow to Porto

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Porto
Explore the most affordable flight options available from Heathrow to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 January 2026.

Thu 12/208:15LHR - OPO

1 stop9h 45mTAP AIR PORTUGAL

Thu 19/214:00OPO - LHR

1 stop8h 40mTAP AIR PORTUGAL

Deal found 8/1£106

Mon 23/220:50LHR - OPO

1 stop11h 20mVueling

Thu 26/220:05OPO - LHR

1 stop18h 40mVueling

Deal found 7/1£108

Tue 27/120:50LHR - OPO

1 stop11h 20mMultiple Airlines

Wed 4/208:20OPO - LHR

1 stop8h 15mMultiple Airlines

Deal found 8/1£109

Sat 28/210:45LHR - OPO

1 stop9h 15mIberia

Mon 2/320:40OPO - LHR

1 stop20h 35mIberia

Deal found 8/1£111

Tue 3/218:45LHR - OPO

1 stop12h 55mIberia

Sat 7/208:20OPO - LHR

1 stop9h 55mIberia

Deal found 8/1£113

Tue 27/120:50LHR - OPO

1 stop11h 20mVueling

Wed 11/221:55OPO - LHR

1 stop11h 15mVueling

Deal found 7/1£114

Wed 4/220:50LHR - OPO

1 stop11h 20mVueling

Wed 11/221:55OPO - LHR

1 stop11h 15mVueling

Deal found 7/1£117

Tue 3/220:50LHR - OPO

1 stop11h 20mVueling

Wed 4/214:35OPO - LHR

1 stop18h 35mVueling

Deal found 7/1£118

Wed 21/119:05LHR - OPO

1 stop12h 35mIberia

Fri 23/116:40OPO - LHR

1 stop25h 35mIberia

Deal found 8/1£118

Mon 9/220:50LHR - OPO

1 stop11h 20mVueling

Tue 10/221:55OPO - LHR

1 stop11h 15mVueling

Deal found 8/1£120

Sat 28/220:50LHR - OPO

1 stop11h 20mVueling

Mon 2/321:55OPO - LHR

1 stop11h 15mVueling

Deal found 7/1£120

Best flights from Heathrow to Porto
Discover carefully curated flight deals from Heathrow to Porto that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 January 2026.

Tue 3/218:45LHR - OPO

1 stop12h 55mIberia

Sat 7/208:20OPO - LHR

1 stop9h 55mIberia

Deal found 8/1£113

Wed 11/309:55LHR - OPO

1 stop11h 20mVueling

Mon 16/321:55OPO - LHR

1 stop11h 15mVueling

Deal found 9/1£117

Fri 6/212:25LHR - OPO

1 stop5h 35mTAP AIR PORTUGAL

Fri 13/211:00OPO - LHR

1 stop6h 30mTAP AIR PORTUGAL

Deal found 8/1£125

Sun 8/212:25LHR - OPO

1 stop5h 40mMultiple Airlines

Tue 10/208:20OPO - LHR

1 stop8h 55mMultiple Airlines

Deal found 8/1£145

Tue 3/220:50LHR - OPO

1 stop11h 20mVueling

Wed 4/214:35OPO - LHR

1 stop18h 35mVueling

Deal found 7/1£118

Tue 3/208:15LHR - OPO

1 stop6h 45mTAP AIR PORTUGAL

Sat 7/212:00OPO - LHR

1 stop6h 55mTAP AIR PORTUGAL

Deal found 8/1£129

Wed 4/220:50LHR - OPO

1 stop11h 20mVueling

Wed 11/221:55OPO - LHR

1 stop11h 15mVueling

Deal found 7/1£119

Sat 14/219:55LHR - OPO

1 stop15h 05mTAP AIR PORTUGAL

Sun 22/206:55OPO - LHR

1 stop5h 45mTAP AIR PORTUGAL

Deal found 9/1£129

Sat 14/320:50LHR - OPO

1 stop11h 20mVueling

Tue 17/321:55OPO - LHR

1 stop11h 15mVueling

Deal found 7/1£121

Tue 3/213:40LHR - OPO

1 stop5h 20mTAP AIR PORTUGAL

Sun 8/216:00OPO - LHR

1 stop5h 35mTAP AIR PORTUGAL

Deal found 8/1£129

Sat 21/220:50LHR - OPO

1 stop11h 20mVueling

Sat 28/221:55OPO - LHR

1 stop11h 15mVueling

Deal found 7/1£126

Sun 8/316:30LHR - OPO

1 stop5h 30mTAP AIR PORTUGAL

Wed 18/310:55OPO - LHR

1 stop6h 35mTAP AIR PORTUGAL

Deal found 9/1£141

Last-minute flights from Heathrow to Porto
Discover last-minute flight deals from Heathrow to Porto. Data last updated 9 January 2026 and is based on user searches.

Wed 21/119:05LHR - OPO

1 stop12h 35mIberia

Fri 23/116:40OPO - LHR

1 stop25h 35mIberia

Deal found 8/1£118

Tue 27/120:50LHR - OPO

1 stop11h 20mMultiple Airlines

Wed 4/208:20OPO - LHR

1 stop8h 15mMultiple Airlines

Deal found 8/1£109

Tue 27/120:50LHR - OPO

1 stop11h 20mVueling

Wed 11/221:55OPO - LHR

1 stop11h 15mVueling

Deal found 7/1£114

Tue 3/218:45LHR - OPO

1 stop12h 55mIberia

Sat 7/208:20OPO - LHR

1 stop9h 55mIberia

Deal found 8/1£113

Tue 3/220:50LHR - OPO

1 stop11h 20mVueling

Wed 4/214:35OPO - LHR

1 stop18h 35mVueling

Deal found 7/1£118

Wed 4/220:50LHR - OPO

1 stop11h 20mVueling

Wed 11/221:55OPO - LHR

1 stop11h 15mVueling

Deal found 7/1£117

Mon 9/220:50LHR - OPO

1 stop11h 20mVueling

Tue 10/221:55OPO - LHR

1 stop11h 15mVueling

Deal found 8/1£120

Thu 12/208:15LHR - OPO

1 stop9h 45mTAP AIR PORTUGAL

Thu 19/214:00OPO - LHR

1 stop8h 40mTAP AIR PORTUGAL

Deal found 8/1£106

Mon 23/220:50LHR - OPO

1 stop11h 20mVueling

Thu 26/220:05OPO - LHR

1 stop18h 40mVueling

Deal found 7/1£108

Sat 28/210:45LHR - OPO

1 stop9h 15mIberia

Mon 2/320:40OPO - LHR

1 stop20h 35mIberia

Deal found 8/1£111

Sat 28/220:50LHR - OPO

1 stop11h 20mVueling

Mon 2/321:55OPO - LHR

1 stop11h 15mVueling

Deal found 7/1£120

One-way flights from Heathrow to Porto
Search for one-way flight options from Heathrow to Porto. Find affordable one-way fares based on user searches. Data last updated 9 January 2026.

Thu 26/215:30LHR - OPO

1 stop4h 45mMultiple Airlines

Deal found 8/1£56

Thu 5/315:30LHR - OPO

1 stop4h 45mMultiple Airlines

Deal found 6/1£57

Wed 4/220:50LHR - OPO

1 stop11h 20mVueling

Deal found 8/1£58

Tue 3/220:50LHR - OPO

1 stop11h 20mVueling

Deal found 8/1£61

Tue 20/120:50LHR - OPO

1 stop11h 20mVueling

Deal found 8/1£62

Wed 11/320:50LHR - OPO

1 stop11h 20mVueling

Deal found 7/1£62

Tue 27/120:50LHR - OPO

1 stop11h 20mVueling

Deal found 7/1£63

Sun 25/109:15LHR - OPO

1 stop6h 45mIberia

Deal found 8/1£64

Sat 24/110:45LHR - OPO

1 stop5h 15mIberia

Deal found 8/1£65

Tue 10/210:45LHR - OPO

1 stop5h 15mIberia

Deal found 8/1£66

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 3/2

18:45-07:40

1 stop12h 55m

Porto

Sat 7/2

08:20-18:15

1 stop9h 55m

£113

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 11/3

09:55-21:15

1 stop11h 20m

Porto

Mon 16/3

21:55-09:10

1 stop11h 15m

£117

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 3/2

20:50-08:10

1 stop11h 20m

Porto

Wed 4/2

14:35-09:10

1 stop18h 35m

£118

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 4/2

20:50-08:10

1 stop11h 20m

Porto

Wed 11/2

21:55-09:10

1 stop11h 15m

£119

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 14/3

20:50-08:10

1 stop11h 20m

Porto

Tue 17/3

21:55-09:10

1 stop11h 15m

£121

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Fri 6/2

12:25-18:00

1 stop5h 35m

Porto

Fri 13/2

11:00-17:30

1 stop6h 30m

£125

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 21/2

20:50-08:10

1 stop11h 20m

Porto

Sat 28/2

21:55-09:10

1 stop11h 15m

£126

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 3/2

08:15-15:00

1 stop6h 45m

Porto

Sat 7/2

12:00-18:55

1 stop6h 55m

£129

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 14/2

19:55-11:00

1 stop15h 05m

Porto

Sun 22/2

06:55-12:40

1 stop5h 45m

£129

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 3/2

13:40-19:00

1 stop5h 20m

Porto

Sun 8/2

16:00-21:35

1 stop5h 35m

£129

Flights are sorted by cheapest return flights first.

Deals found on 8/1

Showing 1-10 of 22 results

Best time to book a flight from Heathrow to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Heathrow 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 London Heathrow Airport to Porto

Prices

Delays

How far ahead should I book a flight from London Heathrow Airport to Porto?

The best time to book flights from London Heathrow Airport to Porto is 82 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Porto (average of £77). Flying from London Heathrow Airport to Porto in August is currently the most expensive (average of £165). 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.

Reviews of airlines servicing Porto

Get a feel of what it's like to fly with KLM, Brussels Airlines, andTAP AIR PORTUGAL from London Heathrow Airport to Porto by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.7

Good

1,434 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

KLM

7.7

Good

1,434 reviews

KLM

7.7

Good

1,434 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Brussels Airlines

7.2

Good

380 reviews

KLM

7.7

Good

1,434 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

TAP AIR PORTUGAL

7.1

Good

2,111 reviews

KLM

7.7

Good

1,434 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Iberia

7.0

Good

3,079 reviews

KLM

7.7

Good

1,434 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

British Airways

6.7

Okay

7,659 reviews

KLM

7.7

Good

1,434 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Related info for your journey

What airport do you fly into for flights to Porto from London Heathrow?
Most people fly into Porto (OPO) if they book a flight to Porto from London Heathrow. On average, Porto has 0 inbound flights from London Heathrow per day from 10 airlines. Porto is conveniently located just 6.8 mi from Porto’s city center.
How long is the flight from London Heathrow Airport to Porto?
There are many flights that can get you from London Heathrow Airport to Porto in 5h 35m. Fly via Iberia, Vueling, or TAP AIR PORTUGAL to get the fastest option. Airlines will cover a distance of 806 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from London Heathrow Airport to Porto round-trip?
Cheapflights users have booked flights from London Heathrow Airport to Porto round-trip from £37. Other airlines that can offer you cheap pricing are Ryanair, from £63, and British Airways, from £81. Users have found that easyJet is 82% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from London Heathrow Airport to Porto one-way?
The cheapest airline one-way is TAP AIR PORTUGAL, with whom users have recently found tickets for as low as £74. However, be on the lookout for offers from Iberia and KLM, as they are both options that can get you from London Heathrow Airport to Porto for a low price.
Can I find deals for flights from Heathrow to Porto that include hotel bookings?
Yes. In addition to deals on Heathrow to Porto flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to Porto?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Porto.
Can I find deals for business class flights from Heathrow to Porto?
Yes. Cheapflights offers flight deals from Heathrow to Porto 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 London Heathrow Airport to Porto?
Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Porto (average of £77). Flying from London Heathrow Airport to Porto in August is currently the most expensive (average of £165). 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

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Top 10 airlines flying from Heathrow to Porto

Airline	Cheapest	Average	Flexibility	On-time
easyJet	Cheapest£47	Average£170	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
Ryanair	Cheapest£63	Average£103	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
British Airways	Cheapest£85	Average£285	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Vueling	Cheapest£120	Average£186	FlexibilityNo cancel fee	On-time88%	Search Vueling flights
KLM	Cheapest£133	Average£218	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Iberia	Cheapest£138	Average£230	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
TAP AIR PORTUGAL	Cheapest£141	Average£190	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Lufthansa	Cheapest£155	Average£322	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Brussels Airlines	Cheapest£172	Average£295	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
SWISS	Cheapest£195	Average£284	FlexibilityNo cancel fee	On-time79%	Search SWISS flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Heathrow to Porto flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Porto.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to Porto, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on Heathrow to Porto flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from London Heathrow Airport to Porto from £56

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 26/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Porto

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Heathrow to Porto

Cheapest flights from Heathrow to PortoExplore the most affordable flight options available from Heathrow to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 January 2026.

Explore the most affordable flight options available from Heathrow to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 January 2026.

Cheapflights Fare Finder

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

Best time to book a flight from Heathrow to Porto

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

Cheapflights Insights

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

How far ahead should I book a flight from London Heathrow Airport to Porto?

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

How often are flights from London to Porto delayed?

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

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

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

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

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

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

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

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated 9 January 2026.

Get a feel of what it's like to fly with KLM, Brussels Airlines, andTAP AIR PORTUGAL from London Heathrow Airport to Porto by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Porto. 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 into for flights to Porto from London Heathrow?

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

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Top 10 airlines flying from Heathrow to Porto

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Cheapest flights from Heathrow to Porto
Explore the most affordable flight options available from Heathrow to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 January 2026.