Cheap flights from London to Porto from $75
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 26/4. Fares are subject to change and may not be available on all flights or dates of travel.
Find flight deals from London to Porto
Cheapest flights from London to PortoExplore the most affordable flight options available from London to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2025.
Explore the most affordable flight options available from London to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from London 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 647,157 searches. Data last updated 25 March 2025.
Use the filters below to find and compare flights from London to Porto that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonPorto
STN - OPO
STNOPO
London Stansted
Sat 26/4
19:00-21:25
Nonstop2h 25m
Porto
Wed 30/4
06:05-08:30
Nonstop2h 25m
LondonPorto
LGW - OPO
LGWOPO
London Gatwick
Wed 23/4
16:20-18:50
Nonstop2h 30m
Porto
Thu 22/5
06:40-09:00
Nonstop2h 20m
LondonPorto
STN - OPO
STNOPO
London Stansted
Tue 6/5
22:05-08:00
1 stop9h 55m
Porto
Wed 21/5
09:25-11:50
Nonstop2h 25m
LondonPorto
LGW - OPO
LGWOPO
London Gatwick
Tue 6/5
21:45-08:00
1 stop10h 15m
Porto
Wed 21/5
06:55-09:20
Nonstop2h 25m
LondonPorto
LTN - OPO
LTNOPO
London Luton
Tue 6/5
18:10-08:00
1 stop13h 50m
Porto
Wed 21/5
09:20-11:45
Nonstop2h 25m
LondonPorto
LTN - OPO
LTNOPO
London Luton
Sun 1/6
13:05-15:30
Nonstop2h 25m
Porto
Fri 6/6
09:05-11:30
Nonstop2h 25m
LondonPorto
LTN - OPO
LTNOPO
London Luton
Tue 6/5
06:35-13:30
1 stop6h 55m
Porto
Wed 21/5
22:20-18:45
1 stop20h 25m
LondonPorto
LGW - OPO
LGWOPO
London Gatwick
Tue 3/6
09:25-19:35
1 stop10h 10m
Porto
Tue 10/6
20:15-08:55
1 stop12h 40m
LondonPorto
LHR - OPO
LHROPO
London Heathrow
Wed 7/5
20:50-06:50
1 stop10h 00m
Porto
Wed 14/5
08:40-16:25
1 stop7h 45m
LondonPorto
LHR - OPO
LHROPO
London Heathrow
Tue 6/5
06:00-19:00
1 stop13h 00m
Porto
Wed 21/5
10:00-22:55
1 stop12h 55m
Best time to book a flight from London to Porto
Have a flexible travel schedule? Discover the best time to fly to Porto from London with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from London to Porto
How far ahead should I book a flight from London to Porto?
Use this chart to determine the optimal time to book a return flight from London to Porto. Price data was last updated on 21 March 2025.
The price you pay for your flight from London to Porto may vary depending on when you book. For the best chance of a lower fare, look to book 87 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest time of day to fly from LON to OPO?
Find hourly flight availability from London 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 25 March 2025.
It’s optimal to fly from London to Porto in the morning. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight at midday.
Rainfall in Porto by month
Plan your trip to Porto by taking into account the average rainfall totals by month.
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.
Temperature in Porto by month
Plan your trip to Porto by taking into account the average temperature totals by month.
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).
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 25 March 2025.
Read through reviews of airlines operating flights from London to Porto, such as KLM, Austrian Airlines and SWISS. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Anonymous,Mar 2025
LBA - AMS
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Anonymous,Mar 2025
LBA - AMS
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Anonymous,Mar 2025
LBA - AMS
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Anonymous,Mar 2025
LBA - AMS
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Anonymous,Mar 2025
LBA - AMS
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
Anonymous,Mar 2025
LBA - AMS
Related info for your journey
Find useful and relevant information for your journey from London to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Can Cheapflights find flights from London to Porto with no change fees?
Need flexible booking options for your flight to Porto from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from London to Porto become cheaper?
Yes, Cheapflights offers price alerts on London 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.