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$52+ 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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — LON
Aug 16 — Aug 231
Sun 8/16
Sun 8/23
1 adult, Economy
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Cheapflights Tip: The best prices from Porto to London are usually found in January or February, booked 45 days in advance, depart on a Monday or Friday and return on a Saturday

Cheap flight deals from Porto to London

Cheapest flights from Porto to London
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 July 17, 2026.

This easyJet deal was found by Cheapflights users on 7/17. 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.
Fri 10/96:35 am
OPO
-
LGW
Nonstop2h 25m
easyJet
Mon 10/126:10 am
LGW
-
OPO
Nonstop2h 25m
easyJet
Deal found 7/17$101
This easyJet deal was found by Cheapflights users on 7/16. 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.
Wed 10/149:20 am
OPO
-
LTN
Nonstop2h 25m
easyJet
Sun 10/181:00 pm
LTN
-
OPO
Nonstop2h 30m
easyJet
Deal found 7/16$101
This easyJet deal was found by Cheapflights users on 7/16. 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.
Fri 9/256:35 am
OPO
-
LGW
Nonstop2h 25m
easyJet
Tue 9/298:50 pm
LGW
-
OPO
Nonstop2h 30m
easyJet
Deal found 7/16$102
This easyJet deal was found by Cheapflights users on 7/16. 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.
Thu 10/156:40 am
OPO
-
LGW
Nonstop2h 25m
easyJet
Sun 10/1812:35 pm
LGW
-
OPO
Nonstop2h 30m
easyJet
Deal found 7/16$103
This easyJet deal was found by Cheapflights users on 7/17. 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.
Wed 10/149:20 am
OPO
-
LTN
Nonstop2h 25m
easyJet
Mon 10/191:15 pm
LTN
-
OPO
Nonstop2h 30m
easyJet
Deal found 7/17$103
This easyJet deal was found by Cheapflights users on 7/16. 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.
Tue 8/45:35 pm
OPO
-
LGW
Nonstop2h 20m
easyJet
Mon 8/248:55 pm
LGW
-
OPO
Nonstop2h 40m
easyJet
Deal found 7/16$105
This easyJet deal was found by Cheapflights users on 7/14. 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.
Thu 12/311:35 am
OPO
-
LTN
Nonstop2h 25m
easyJet
Mon 12/73:20 pm
LTN
-
OPO
Nonstop2h 30m
easyJet
Deal found 7/14$105
This Jetabroad deal was found by Cheapflights users on 7/13. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:35 am
OPO
-
LGW
Nonstop2h 25m
Multiple Airlines
Sun 10/256:15 pm
LGW
-
OPO
Nonstop2h 25m
Multiple Airlines
Deal found 7/13$107
This easyJet deal was found by Cheapflights users on 7/15. 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.
Wed 8/57:00 am
OPO
-
LGW
Nonstop2h 25m
easyJet
Wed 8/268:20 pm
LGW
-
OPO
Nonstop2h 35m
easyJet
Deal found 7/15$108
This easyJet deal was found by Cheapflights users on 7/16. 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.
Wed 9/239:20 am
OPO
-
LTN
Nonstop2h 25m
easyJet
Sun 9/271:00 pm
LTN
-
OPO
Nonstop2h 30m
easyJet
Deal found 7/16$108
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:00 am
OPO
-
LGW
Nonstop2h 25m
easyJet
Thu 10/88:50 pm
LGW
-
OPO
Nonstop2h 30m
easyJet
Deal found 7/13$109
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:15 am
OPO
-
LGW
Nonstop2h 25m
easyJet
Thu 10/88:50 pm
LGW
-
OPO
Nonstop2h 30m
easyJet
Deal found 7/13$110

Find 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 July 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$101
(easyJet)

One-way from

$52
(easyJet)

Popular in

August

Cheapest in

January

Average price

$187

Good round-trip deal

$132 or less

Good one-way deal

$55 or less
Provider with most accurate pricing for Porto-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Porto-London (LON) flights.
Search Deals
From Porto to London (LON)
Search Deals
One-way flight from Porto to London (LON)
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Porto to London (LON).
Search Deals
Price to beat on a one-way flight from Porto to London (LON).
Search 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 July 17, 2026.
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

Cheapest round-trip

PortoLondon

OPO - LTN

OPOLTN

Porto

Wed 10/14

9:20 am-11:45 am

Nonstop2h 25m

London Luton

Mon 10/19

1:15 pm-3:45 pm

Nonstop2h 30m

$103

PortoLondon

OPO - LTN

OPOLTN

Porto

Fri 10/16

9:20 am-11:40 am

Nonstop2h 20m

London Luton

Tue 10/20

12:25 pm-11:05 pm

1 stop10h 40m

$116

PortoLondon

OPO - LTN

OPOLTN

Porto

Wed 9/23

9:20 am-11:45 am

Nonstop2h 25m

London Luton

Sat 9/26

6:05 am-8:35 am

Nonstop2h 30m

$145

PortoLondon

OPO - LTN

OPOLTN

Porto

Sat 12/5

3:25 pm-5:45 pm

Nonstop2h 20m

London Luton

Wed 12/9

8:20 pm-10:50 pm

Nonstop2h 30m

$151

PortoLondon

OPO - LTN

OPOLTN

Porto

Fri 9/4

9:20 am-11:40 am

Nonstop2h 20m

London Luton

Fri 9/11

6:15 am-8:40 am

Nonstop2h 25m

$161

PortoLondon

OPO - LTN

OPOLTN

Porto

Thu 10/29

12:05 pm-6:30 pm

1 stop6h 25m

London Luton

Sun 11/1

4:50 pm-7:20 pm

Nonstop2h 30m

$162

PortoLondon

OPO - LGW

OPOLGW

Porto

Fri 9/18

10:00 pm-10:15 am

1 stop12h 15m

London Gatwick

Thu 9/24

8:00 am-9:20 pm

1 stop13h 20m

$163

PortoLondon

OPO - LGW

OPOLGW

Porto

Mon 10/5

9:10 am-11:35 am

Nonstop2h 25m

London Gatwick

Thu 10/8

8:50 pm-11:20 pm

Nonstop2h 30m

$177

PortoLondon

OPO - LTN

OPOLTN

Porto

Wed 8/26

4:05 pm-11:45 pm

1 stop7h 40m

London Luton

Fri 8/28

6:15 am-8:40 am

Nonstop2h 25m

$181

PortoLondon

OPO - LTN

OPOLTN

Porto

Sat 12/5

3:25 pm-5:45 pm

Nonstop2h 20m

London Luton

Tue 12/8

3:15 pm-5:45 pm

Nonstop2h 30m

$182

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/14

Showing 1-10 of 51 resultsSorted by cheapest first
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Compare providers for flights from Porto to London

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Porto to London in July.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Porto-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Porto-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Porto-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Porto-London flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Porto-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.
Estimated round-trip 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 Porto to London

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

Currently, July is the cheapest month in which you can book a flight from Porto to London (average of $26). Flying from Porto to London in June is currently the most expensive (average of $450). 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 July 17, 2026.

A simple way to save on the total cost of your ticket is to fly from Porto to London at noon. If you’re flexible enough to do this you can expect to save up to 35% on your trip compared to booking a flight in the evening.

How much does it cost to fly round-trip from Porto to London?

How often are flights from Porto to London delayed?

About 21% of weekly flights between Porto and London have experienced delays in the past year, with the average delay time being 120 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night 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 Friday has historically faced a higher average of delays compared to other days of the week.

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

Over the last year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 17% of flights being delayed.

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

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 46 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 July 17, 2026.
Read through reviews of airlines operating flights from Porto to London, such as TAP AIR PORTUGAL,Ryanair, andeasyJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
TAP AIR PORTUGAL
7.2
Good
2,338 reviews

Comfort

7.1

Boarding

7.0

Overall

7.2

Entertainment

6.4

Crew

7.8

Food

6.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

LIS - ORD

The check in process at the Lisbon Airport was terrible. The TAP staff was incompetent and directed us incorrectly.
TAP AIR PORTUGAL
7.2
Good
2,338 reviews
TAP AIR PORTUGAL
7.2
Good
2,338 reviews

Comfort

7.1

Boarding

7.0

Overall

7.2

Entertainment

6.4

Crew

7.8

Food

6.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

LIS - ORD

The check in process at the Lisbon Airport was terrible. The TAP staff was incompetent and directed us incorrectly.
Ryanair
6.9
Okay
5,435 reviews
TAP AIR PORTUGAL
7.2
Good
2,338 reviews

Comfort

7.1

Boarding

7.0

Overall

7.2

Entertainment

6.4

Crew

7.8

Food

6.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

LIS - ORD

The check in process at the Lisbon Airport was terrible. The TAP staff was incompetent and directed us incorrectly.
easyJet
6.9
Okay
1,916 reviews
TAP AIR PORTUGAL
7.2
Good
2,338 reviews

Comfort

7.1

Boarding

7.0

Overall

7.2

Entertainment

6.4

Crew

7.8

Food

6.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

LIS - ORD

The check in process at the Lisbon Airport was terrible. The TAP staff was incompetent and directed us incorrectly.
British Airways
6.7
Okay
8,122 reviews
TAP AIR PORTUGAL
7.2
Good
2,338 reviews

Comfort

7.1

Boarding

7.0

Overall

7.2

Entertainment

6.4

Crew

7.8

Food

6.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

LIS - ORD

The check in process at the Lisbon Airport was terrible. The TAP staff was incompetent and directed us incorrectly.

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.

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

    Porto (OPO) is the airport you will fly out of if you book a flight from Porto to London. You should not have trouble finding flights to London from Porto; the airport handles an average of 5 outbound flights to London per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Porto airport to London. It is only a 6.8 mi journey to Porto (OPO) from Porto’s city center.

  • How long is the flight from Porto to London?

    For as low as $103, easyJet can have you in London from Porto in 2h 25m. Porto and London are separated by a distance of 832 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Our cheapest airline available from Porto to London is Ryanair. Our recent data shows that you can find tickets from as low as $46 on this airline. An additional option worth looking into is easyJet, starting at $99. These flights start at 69% lower than the current average price 3 months from now.

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

    The cheapest airlines for a one-way flight from Porto to London are easyJet ($37), Ryanair ($60), and British Airways ($77).

  • What are the most popular routes from Porto to London?

    When deciding which route to take from Porto to London consider Porto - London Heathrow, Porto - London Luton or Porto - London Gatwick as they are the most popular.

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

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

  • How can I find direct flights from Porto to London?

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

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

    Yes. Cheapflights offers flight deals from Porto to London 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 Porto to London?

    Currently, July is the cheapest month in which you can book a flight from Porto to London (average of $26). Flying from Porto to London in June is currently the most expensive (average of $450). 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

Traveling to a place near London?

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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.
Lisbon to Heathrow flights
Porto to Heathrow flights
Faro to Heathrow flights
Lisbon to Gatwick flights
Porto to Gatwick flights
Faro to Gatwick flights

Top 2 airlines flying from Porto to London

Discover the top 2 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 July 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest$46Average$99FlexibilityNo cancel feeOn-timeN/A
easyJetCheapest$99Average$170FlexibilityNo cancel feeOn-time86%

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