Cheap flights from Porto to London from £40
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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from Porto to London are usually found in February or March, booked 78 days in advance, depart on a Thursday or Sunday and return on a Tuesday
Cheap flight deals from Porto to London
Discover tips and strategies to find the most affordable flight options for your journey from Porto (OPO) to London (LON). 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 15 April 2025.
Round-trip from | £51 |
---|---|
One-way from | £40 |
Popular in | July |
Cheapest in | February |
Average price | £125 |
Good round-trip deal | £50 or less |
Good one-way deal | £62 or less |
Find flight deals from Porto to London
Cheapest flights from Porto to LondonExplore the most affordable flight options available from Porto to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2025.
Explore the most affordable flight options available from Porto to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Porto to London 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 15 April 2025.
Use the filters below to find and compare flights from Porto to London that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
PortoLondon
OPO - STN
OPOSTN
Porto
Tue 13/5
22:20-00:45
Nonstop2h 25m
London Stansted
Tue 20/5
06:50-09:15
Nonstop2h 25m
PortoLondon
OPO - LGW
OPOLGW
Porto
Thu 25/9
06:40-09:00
Nonstop2h 20m
London Gatwick
Mon 29/9
09:50-12:15
Nonstop2h 25m
PortoLondon
OPO - LTN
OPOLTN
Porto
Fri 23/5
09:25-11:50
Nonstop2h 25m
London Luton
Fri 30/5
06:30-08:55
Nonstop2h 25m
PortoLondon
OPO - LGW
OPOLGW
Porto
Thu 22/5
06:40-09:00
Nonstop2h 20m
London Gatwick
Sat 31/5
21:05-08:00
1 stop10h 55m
PortoLondon
OPO - STN
OPOSTN
Porto
Wed 21/5
09:25-11:50
Nonstop2h 25m
London Stansted
Wed 28/5
13:55-21:20
1 stop7h 25m
PortoLondon
OPO - LTN
OPOLTN
Porto
Fri 23/5
09:25-11:50
Nonstop2h 25m
London Luton
Fri 30/5
06:25-20:30
1 stop14h 05m
PortoLondon
OPO - LTN
OPOLTN
Porto
Thu 15/5
10:50-18:45
1 stop7h 55m
London Luton
Sun 18/5
18:55-20:30
1 stop25h 35m
PortoLondon
OPO - LHR
OPOLHR
Porto
Tue 13/5
22:00-09:10
1 stop11h 10m
London Heathrow
Sat 31/5
20:50-08:00
1 stop11h 10m
PortoLondon
OPO - LHR
OPOLHR
Porto
Thu 22/5
06:15-06:40
1 stop24h 25m
London Heathrow
Sat 31/5
20:50-08:00
1 stop11h 10m
PortoLondon
OPO - LHR
OPOLHR
Porto
Fri 10/10
11:00-22:55
1 stop11h 55m
London Heathrow
Sun 12/10
06:00-17:00
1 stop11h 00m
Best time to book a flight from Porto to London
Have a flexible travel schedule? Discover the best time to fly to London from Porto with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Porto to London
How far ahead should I book a flight from Porto to London?
Use this chart to determine the optimal time to book a return flight from Porto to London. Price data was last updated on 11 April 2025.
To ensure you get the cheapest price possible for a flight from Porto to London, you should look to book at least 78 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Porto to London?
Currently, January is the cheapest month in which you can book a flight from Porto to London (average of £112). Flying from Porto to London 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 LON?
Find hourly flight availability from Porto to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 April 2025.
It’s optimal to fly from Porto to London at midday. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight in the afternoon.
What is the cheapest day to fly from Porto to London?
Use this chart to determine the cheapest time to fly return from Porto to London. Price data was last updated on 1 December 2024.
Travellers seeking maximum savings on their Porto to London flight should consider departing on Tuesday evenings 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.
Weekly flight availability from Porto to London
Explore weekly flight availability from Porto to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 15 April 2025.
The most flights from OPO to LON are scheduled on a Monday (12 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (3 on average).
Rainfall in London by month
Plan your trip to London by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in London 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 when rainfall is around 40.0 mm.
Temperature in London by month
Plan your trip to London by taking into account the average temperature totals by month.
If weather is an important factor for your trip to London, 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).
Reviews of airlines servicing London
Get insights into the airlines that provide service to London. 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 London. Reviews last updated 15 April 2025.
Peruse reviews from past customers who have flown with Aegean Airlines, KLM and EL AL from Porto to London to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
Food
Boarding
Overall
Comfort
Entertainment
Reviews
Anonymous,Nov 2024
SKG - FRA
Crew
Food
Boarding
Overall
Comfort
Entertainment
Reviews
Anonymous,Nov 2024
SKG - FRA
Crew
Food
Boarding
Overall
Comfort
Entertainment
Reviews
Anonymous,Nov 2024
SKG - FRA
Crew
Food
Boarding
Overall
Comfort
Entertainment
Reviews
Anonymous,Nov 2024
SKG - FRA
Crew
Food
Boarding
Overall
Comfort
Entertainment
Reviews
Anonymous,Nov 2024
SKG - FRA
Crew
Food
Boarding
Overall
Comfort
Entertainment
Reviews
Anonymous,Nov 2024
SKG - FRA
Related info for your journey
Find useful and relevant information for your journey from Porto to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near Porto?
Book flights to Porto if you plan to visit one of these locationsBrowse 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 London
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Porto to London
Discover the top 4 airlines that operate flights from Porto to London. 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 15 April 2025.
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 London?
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 London from Porto today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Porto to London?
Cheapflights helps you find that perfect flight to London 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 London with no change fees?
Yes, we can. To see specific flights from Porto to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Porto to London become cheaper?
Not ready to book yet? You can track prices for flights from Porto to London on Cheapflights with our Price Alert feature and get notified when better prices are available.