Cheap flights from London Heathrow Airport to Porto from £57
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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — OPO
27 Dec — 3 Jan1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Porto are usually found in January or November, booked 32 days in advance, depart on a Tuesday or Monday and return on a Thursday
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 27 November 2025.
Sat 6/1211:25LHR - OPO
1 stop8h 35mIberia
Sat 13/1208:20OPO - LHR
1 stop8h 15mIberia
Deal found 25/11£144
Tue 9/1206:00LHR - OPO
1 stop7h 05mMultiple Airlines
Tue 16/1212:25OPO - LHR
1 stop5h 50mMultiple Airlines
Deal found 25/11£145
Tue 2/1210:45LHR - OPO
1 stop5h 15mIberia
Wed 3/1208:20OPO - LHR
1 stop6h 35mIberia
Deal found 25/11£146
Thu 4/1219:05LHR - OPO
1 stop12h 35mIberia
Sun 7/1220:40OPO - LHR
1 stop11h 45mIberia
Deal found 25/11£147
Thu 4/1219:05LHR - OPO
1 stop12h 35mIberia
Sat 6/1220:40OPO - LHR
1 stop12h 35mIberia
Deal found 26/11£148
Sat 29/1111:25LHR - OPO
1 stop8h 35mIberia
Tue 2/1212:25OPO - LHR
1 stop4h 50mIberia
Deal found 26/11£152
Tue 2/1208:15LHR - OPO
1 stop6h 45mMultiple Airlines
Tue 9/1213:45OPO - LHR
1 stop28h 10mMultiple Airlines
Deal found 23/11£153
Sat 6/1211:25LHR - OPO
1 stop8h 35mMultiple Airlines
Tue 9/1219:25OPO - LHR
1 stop12h 40mMultiple Airlines
Deal found 24/11£155
Sat 29/1110:45LHR - OPO
1 stop9h 15mIberia
Mon 1/1220:40OPO - LHR
1 stop20h 35mIberia
Deal found 25/11£155
Sun 30/1108:15LHR - OPO
1 stop5h 45mMultiple Airlines
Tue 2/1212:25OPO - LHR
1 stop4h 50mMultiple Airlines
Deal found 26/11£157
Sat 13/1220:50LHR - OPO
1 stop11h 20mVueling
Wed 17/1221:55OPO - LHR
1 stop11h 15mVueling
Deal found 26/11£158
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 27 November 2025.
Tue 24/220:50LHR - OPO
1 stop11h 20mVueling
Tue 10/321:55OPO - LHR
1 stop11h 15mVueling
Deal found 25/11£123
Fri 23/113:40LHR - OPO
1 stop5h 20mTAP AIR PORTUGAL
Sun 25/109:55OPO - LHR
1 stop5h 35mTAP AIR PORTUGAL
Deal found 26/11£145
Mon 11/515:00LHR - OPO
2 stops16h 40mMultiple Airlines
Fri 15/520:40OPO - LHR
2 stops17h 35mMultiple Airlines
Deal found 25/11£170
Sun 1/315:15LHR - OPO
1 stop16h 40mVueling
Tue 24/320:05OPO - LHR
1 stop18h 40mVueling
Deal found 25/11£124
Sat 10/115:15LHR - OPO
1 stop17h 10mVueling
Sat 17/120:05OPO - LHR
1 stop18h 40mVueling
Deal found 26/11£128
Sat 17/106:00LHR - OPO
1 stop6h 10mTAP AIR PORTUGAL
Sun 18/114:50OPO - LHR
1 stop6h 45mTAP AIR PORTUGAL
Deal found 25/11£162
Thu 8/115:15LHR - OPO
1 stop17h 05mVueling
Thu 15/120:05OPO - LHR
1 stop18h 40mVueling
Deal found 24/11£134
Mon 12/108:15LHR - OPO
1 stop7h 05mTAP AIR PORTUGAL
Fri 16/110:00OPO - LHR
1 stop11h 35mTAP AIR PORTUGAL
Deal found 25/11£167
Thu 25/1218:30LHR - OPO
1 stop6h 00mTAP AIR PORTUGAL
Thu 8/116:00OPO - LHR
1 stop5h 35mTAP AIR PORTUGAL
Deal found 25/11£185
Sun 14/1206:00LHR - OPO
1 stop11h 00mTAP AIR PORTUGAL
Mon 15/1216:10OPO - LHR
1 stop6h 30mTAP AIR PORTUGAL
Deal found 26/11£185
Mon 13/413:45LHR - OPO
1 stop9h 15mTAP AIR PORTUGAL
Fri 17/416:00OPO - LHR
1 stop6h 05mTAP AIR PORTUGAL
Deal found 23/11£192
Mon 13/413:45LHR - OPO
1 stop6h 40mTAP AIR PORTUGAL
Thu 16/416:00OPO - LHR
1 stop6h 00mTAP AIR PORTUGAL
Deal found 23/11£192
Last-minute flights from Heathrow to Porto
Discover last-minute flight deals from Heathrow to Porto. Data last updated 27 November 2025 and is based on user searches.
Mon 1/1206:00LHR - OPO
1 stop12h 05mMultiple Airlines
Tue 2/1220:40OPO - LHR
1 stop12h 35mMultiple Airlines
Deal found 25/11£160
Mon 1/1206:00LHR - OPO
1 stop13h 00mMultiple Airlines
Sun 7/1220:40OPO - LHR
1 stop12h 35mMultiple Airlines
Deal found 26/11£161
Tue 2/1210:45LHR - OPO
1 stop5h 15mIberia
Wed 3/1208:20OPO - LHR
1 stop6h 35mIberia
Deal found 25/11£146
Tue 2/1208:15LHR - OPO
1 stop6h 45mMultiple Airlines
Tue 9/1213:45OPO - LHR
1 stop28h 10mMultiple Airlines
Deal found 23/11£153
Wed 3/1219:25LHR - OPO
1 stop15h 05mAir France
Wed 10/1211:25OPO - LHR
1 stop5h 10mAir France
Deal found 24/11£155
Thu 4/1219:05LHR - OPO
1 stop12h 35mIberia
Sun 7/1220:40OPO - LHR
1 stop11h 45mIberia
Deal found 25/11£147
Thu 4/1219:05LHR - OPO
1 stop12h 35mIberia
Sat 6/1220:40OPO - LHR
1 stop12h 35mIberia
Deal found 26/11£148
Fri 5/1218:30LHR - OPO
1 stop17h 40mTAP AIR PORTUGAL
Tue 9/1210:05OPO - LHR
1 stop12h 35mTAP AIR PORTUGAL
Deal found 25/11£158
Fri 5/1218:30LHR - OPO
1 stop17h 40mTAP AIR PORTUGAL
Mon 8/1211:30OPO - LHR
1 stop6h 00mTAP AIR PORTUGAL
Deal found 25/11£159
Sat 6/1211:25LHR - OPO
1 stop8h 35mIberia
Sat 13/1208:20OPO - LHR
1 stop8h 15mIberia
Deal found 25/11£144
Sat 6/1210:45LHR - OPO
1 stop5h 15mIberia
Sun 7/1220:40OPO - LHR
1 stop11h 45mIberia
Deal found 25/11£145
Sat 6/1211:25LHR - OPO
1 stop8h 35mMultiple Airlines
Tue 9/1219:25OPO - LHR
1 stop12h 40mMultiple Airlines
Deal found 24/11£155
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 27 November 2025.
Thu 8/118:50LHR - OPO
1 stop13h 20mVueling
Deal found 24/11£57
Wed 7/118:50LHR - OPO
1 stop13h 20mVueling
Deal found 24/11£58
Tue 10/220:50LHR - OPO
1 stop11h 20mVueling
Deal found 25/11£61
Sun 11/118:50LHR - OPO
1 stop13h 20mVueling
Deal found 25/11£62
Tue 13/120:50LHR - OPO
1 stop11h 20mVueling
Deal found 24/11£63
Thu 15/115:15LHR - OPO
1 stop17h 05mVueling
Deal found 24/11£64
Fri 9/118:50LHR - OPO
1 stop13h 20mVueling
Deal found 24/11£67
Sat 16/520:50LHR - OPO
1 stop11h 10mVueling
Deal found 25/11£67
Wed 28/115:15LHR - OPO
1 stop20h 30mMultiple Airlines
Deal found 25/11£70
Sat 10/109:55LHR - OPO
1 stop11h 55mMultiple Airlines
Deal found 24/11£71
Cheap flight deals from Heathrow to Porto
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 27 November 2025.
Customise your flight search to find flights from Heathrow to Porto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 27 November 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Porto that are best for you.
Fly from
Heathrow
Fly to
Porto
Route
Depart
Return
Price
LondonPorto
LHR - OPO
LHROPO
London Heathrow
Tue 24/2
20:50-08:10
1 stop11h 20m
Porto
Tue 10/3
21:55-09:10
1 stop11h 15m
£123
LondonPorto
LHR - OPO
LHROPO
London Heathrow
Sun 1/3
15:15-07:55
1 stop16h 40m
Porto
Tue 24/3
20:05-14:45
1 stop18h 40m
£124
LondonPorto
LHR - OPO
LHROPO
London Heathrow
Sat 10/1
15:15-08:25
1 stop17h 10m
Porto
Sat 17/1
20:05-14:45
1 stop18h 40m
£128
LondonPorto
LHR - OPO
LHROPO
London Heathrow
Thu 8/1
15:15-08:20
1 stop17h 05m
Porto
Thu 15/1
20:05-14:45
1 stop18h 40m
£134
LondonPorto
LHR - OPO
LHROPO
London Heathrow
Fri 23/1
13:40-19:00
1 stop5h 20m
Porto
Sun 25/1
09:55-15:30
1 stop5h 35m
£145
LondonPorto
LHR - OPO
LHROPO
London Heathrow
Sat 17/1
06:00-12:10
1 stop6h 10m
Porto
Sun 18/1
14:50-21:35
1 stop6h 45m
£162
LondonPorto
LHR - OPO
LHROPO
London Heathrow
Mon 12/1
08:15-15:20
1 stop7h 05m
Porto
Fri 16/1
10:00-21:35
1 stop11h 35m
£167
LondonPorto
LHR - OPO
LHROPO
London Heathrow
Mon 11/5
15:00-07:40
2 stops16h 40m
Porto
Fri 15/5
20:40-14:15
2 stops17h 35m
£170
LondonPorto
LHR - OPO
LHROPO
London Heathrow
Thu 25/12
18:30-00:30
1 stop6h 00m
Porto
Thu 8/1
16:00-21:35
1 stop5h 35m
£185
LondonPorto
LHR - OPO
LHROPO
London Heathrow
Sun 14/12
06:00-17:00
1 stop11h 00m
Porto
Mon 15/12
16:10-22:40
1 stop6h 30m
£185
Flights are sorted by cheapest return flights first.
Deals found on 25/11
Showing 1-10 of 22 results
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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
More
How far ahead should I book a flight from London Heathrow Airport to Porto?
Use this chart to determine the optimal time to book a return flight from Heathrow to Porto. Price data was last updated on 21 November 2025.
The best time to book flights from London Heathrow Airport to Porto is 32 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 £70). Flying from London Heathrow Airport to Porto in August is currently the most expensive (average of £167). 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 LHR to OPO?
Find hourly flight availability from Heathrow to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 November 2025.
Unlike in the morning, when flights are generally more expensive, you can save up to 15% on flights from London Heathrow Airport to Porto by exploring options for tickets at midday.
What is the cheapest day to fly from London Heathrow Airport to Porto?
Use this chart to determine the cheapest time to fly return from Heathrow to Porto. Price data was last updated on 16 December 2024.
Travellers seeking maximum savings on their London Heathrow Airport to Porto flight should consider departing on Sunday at midday 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.
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 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 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.
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 top stopover airport for flights from London Heathrow Airport to Porto?
Share of one-stop return flights from London Heathrow Airport to Porto chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Lisbon (LIS) – chosen by Cheapflights users on 44% of one-stop itineraries from London Heathrow Airport to Porto on Cheapflights.
What’s the cheapest stopover airport for flights from London Heathrow Airport to Porto?
Average return fare for one-stop flights from London Heathrow Airport to Porto, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Munich (MUC) is the most affordable one-stop option, with an average return flight price of £201.
What’s the fastest stopover option from London Heathrow Airport to Porto?
Shortest average travel time for one-stop one-way flights from London Heathrow Airport to Porto, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Brussels (BRU) have the shortest average one-way travel time for one-stop routes: 5h 31m.
Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Porto?
Average stopover duration for one-stop one-way flights from London Heathrow Airport to Porto, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Zurich (ZRH) offer the fastest connection on this route, with an average stopover time of 1h 13m.
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 27 November 2025.
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.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
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?
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 20m. Fly via 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 £48. Other airlines that can offer you cheap pricing are Ryanair, from £64, and Vueling, from £96. Users have found that easyJet is 77% cheaper than the other options available to this destination.
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 £70). Flying from London Heathrow Airport to Porto in August is currently the most expensive (average of £167). 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.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 27 November 2025.
Explore flights to Porto departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 27 November 2025.
Discover the top 10 airlines that operate flights from Heathrow to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 27 November 2025.
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 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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