$48+ Cheap flights from Porto (OPO) to London (LON)
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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Porto to London with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 Monday 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 June 12, 2025.
Round-trip from | $94 (easyJet) |
|---|---|
One-way from | $48 (Trip.com) |
Popular in | July |
Cheapest in | February |
Average price | $154 |
Good round-trip deal | $98 or less |
Good one-way deal | $37 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 June 12, 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 June 12, 2025.
This easyJet deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This easyJet deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This British Airways deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Europa deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Europa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Booking.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Booking.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This SWISS deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize 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 2,558,603 searches. Data last updated June 12, 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 - LTN
OPOLTN
Porto
Thu 12/4
10:15 am-12:40 pm
Nonstop2h 25m
London Luton
Mon 12/8
3:25 pm-5:55 pm
Nonstop2h 30m
PortoLondon
OPO - LGW
OPOLGW
Porto
Sat 10/11
6:55 am-9:20 am
Nonstop2h 25m
London Gatwick
Mon 10/13
6:10 am-8:35 am
Nonstop2h 25m
PortoLondon
OPO - LGW
OPOLGW
Porto
Tue 11/11
5:30 pm-7:50 pm
Nonstop2h 20m
London Gatwick
Sat 11/15
4:50 pm-7:15 pm
Nonstop2h 25m
PortoLondon
OPO - LGW
OPOLGW
Porto
Wed 7/9
10:00 pm-8:30 am
1 stop10h 30m
London Gatwick
Tue 7/15
9:45 pm-1:30 pm
1 stop15h 45m
PortoLondon
OPO - LGW
OPOLGW
Porto
Tue 7/8
6:35 pm-8:30 am
1 stop13h 55m
London Gatwick
Mon 7/14
8:10 pm-7:00 am
1 stop10h 50m
PortoLondon
OPO - LTN
OPOLTN
Porto
Wed 7/9
9:20 am-11:45 am
Nonstop2h 25m
London Luton
Tue 7/15
11:40 am-10:45 pm
2 stops35h 05m
PortoLondon
OPO - LGW
OPOLGW
Porto
Wed 12/3
11:35 am-4:25 pm
1 stop4h 50m
London Gatwick
Thu 12/11
5:25 pm-6:50 am
1 stop13h 25m
PortoLondon
OPO - LGW
OPOLGW
Porto
Sat 11/1
6:00 pm-9:50 am
1 stop15h 50m
London Gatwick
Fri 11/7
9:30 pm-11:55 pm
Nonstop2h 25m
PortoLondon
OPO - LHR
OPOLHR
Porto
Wed 7/9
10:00 pm-9:10 am
1 stop11h 10m
London Heathrow
Tue 7/15
8:50 pm-8:00 am
1 stop11h 10m
PortoLondon
OPO - LHR
OPOLHR
Porto
Thu 11/6
12:05 pm-6:55 pm
1 stop6h 50m
London Heathrow
Thu 11/13
6:00 am-6:00 pm
1 stop12h 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 round-trip flight from Porto to London. Price data was last updated on June 9, 2025.
The price you pay for your flight from Porto to London may vary depending on when you book. For the best chance of a lower fare, look to book 78 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Porto to London?
Currently, November is the cheapest month in which you can book a flight from Porto to London (average of $661). Flying from Porto to London in June is currently the most expensive (average of $1,108). 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 June 12, 2025.
A simple way to save on the total cost of your ticket is to fly from Porto to London in the afternoon. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight in the evening.
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 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.
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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).
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 June 12, 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. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Anonymous,Nov 2024
SKG - FRA
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Anonymous,Nov 2024
SKG - FRA
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Anonymous,Nov 2024
SKG - FRA
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Anonymous,Nov 2024
SKG - FRA
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Anonymous,Nov 2024
SKG - FRA
Entertainment
Boarding
Comfort
Food
Overall
Crew
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.
Traveling to a place near Porto?
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Alternative routes for Porto to London
See prices for flight routes from nearby airports that may be better suited for you.
Top 3 airlines flying from Porto to London
Discover the top 3 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 2,558,603 searches. Data last updated June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$62 | Average$128 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$65 | Average$192 | FlexibilityNo cancel fee | On-time86% | |
| Cheapest$154 | Average$302 | FlexibilityNo cancel fee | On-timeN/A |