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$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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — LON
Jun 21 — Jun 281
Sun 6/21
Sun 6/28
1 adult, Economy
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Cheapflights Tip: The best prices from Porto to London are usually found in January or February, booked 83 days in advance, depart on a Wednesday or Sunday and return on a Sunday

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 May 22, 2026.

This Mytrip deal was found by Cheapflights users on 5/19. 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.
Tue 6/167:30 pm
OPO
-
LTN
1 stop15h 55m
Multiple Airlines
Tue 6/235:20 pm
LTN
-
OPO
1 stop15h 50m
Multiple Airlines
Deal found 5/19$108
This easyJet deal was found by Cheapflights users on 5/18. 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 9/296:15 am
OPO
-
LGW
Nonstop2h 25m
easyJet
Sat 10/35:20 am
LGW
-
OPO
Nonstop2h 25m
easyJet
Deal found 5/18$109
This easyJet deal was found by Cheapflights users on 5/18. 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 9/296:15 am
OPO
-
LGW
Nonstop2h 25m
easyJet
Wed 10/78:25 pm
LGW
-
OPO
Nonstop2h 30m
easyJet
Deal found 5/18$112
This easyJet deal was found by Cheapflights users on 5/18. 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 6/129:20 am
OPO
-
LTN
Nonstop2h 20m
easyJet
Tue 6/162:30 pm
LTN
-
OPO
Nonstop2h 30m
easyJet
Deal found 5/18$112
This easyJet deal was found by Cheapflights users on 5/18. 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
Wed 10/78:25 pm
LGW
-
OPO
Nonstop2h 30m
easyJet
Deal found 5/18$115
This easyJet deal was found by Cheapflights users on 5/21. 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 9/246:40 am
OPO
-
LGW
Nonstop2h 25m
easyJet
Tue 9/299:15 am
LGW
-
OPO
Nonstop2h 25m
easyJet
Deal found 5/21$116
This easyJet deal was found by Cheapflights users on 5/18. 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 9/296:15 am
OPO
-
LGW
Nonstop2h 25m
easyJet
Mon 10/56:10 am
LGW
-
OPO
Nonstop2h 25m
easyJet
Deal found 5/18$117
This easyJet deal was found by Cheapflights users on 5/21. 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 9/246:40 am
OPO
-
LGW
Nonstop2h 25m
easyJet
Thu 10/18:50 pm
LGW
-
OPO
Nonstop2h 30m
easyJet
Deal found 5/21$118
This easyJet deal was found by Cheapflights users on 5/21. 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 9/237:00 am
OPO
-
LGW
Nonstop2h 25m
easyJet
Tue 9/298:50 pm
LGW
-
OPO
Nonstop2h 30m
easyJet
Deal found 5/21$120
This easyJet deal was found by Cheapflights users on 5/21. 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
Sat 10/175:20 am
LGW
-
OPO
Nonstop2h 25m
easyJet
Deal found 5/21$121
This easyJet deal was found by Cheapflights users on 5/21. 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 9/237:00 am
OPO
-
LGW
Nonstop2h 25m
easyJet
Thu 10/18:50 pm
LGW
-
OPO
Nonstop2h 30m
easyJet
Deal found 5/21$122
This Mytrip deal was found by Cheapflights users on 5/18. 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.
Fri 6/1210:30 pm
OPO
-
LTN
1 stop12h 30m
Multiple Airlines
Tue 6/163:20 pm
LTN
-
OPO
1 stop8h 35m
Multiple Airlines
Deal found 5/18$122

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 May 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$108
(Mytrip)

One-way from

$48
(Super.com)

Popular in

July

Cheapest in

January

Average price

$138

Good round-trip deal

$140 or less

Good one-way deal

$57 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. 18% potential increase in price ($35 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 May 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 May 22, 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

Fri 7/10

9:20 am-11:40 am

Nonstop2h 20m

London Luton

Tue 7/14

3:05 pm-5:35 pm

Nonstop2h 30m

$153

PortoLondon

OPO - LGW

OPOLGW

Porto

Thu 6/11

10:00 pm-8:30 am

1 stop10h 30m

London Gatwick

Tue 6/16

1:40 pm-7:35 pm

1 stop5h 55m

$154

PortoLondon

OPO - LGW

OPOLGW

Porto

Fri 6/12

6:35 am-9:00 am

Nonstop2h 25m

London Gatwick

Tue 6/16

8:50 pm-11:20 pm

Nonstop2h 30m

$154

PortoLondon

OPO - LTN

OPOLTN

Porto

Fri 10/9

6:15 am-5:45 pm

1 stop11h 30m

London Luton

Sun 10/11

1:00 pm-3:30 pm

Nonstop2h 30m

$155

PortoLondon

OPO - LGW

OPOLGW

Porto

Sat 6/13

6:55 am-9:20 am

Nonstop2h 25m

London Gatwick

Sun 7/5

8:55 pm-11:20 pm

Nonstop2h 25m

$156

PortoLondon

OPO - LGW

OPOLGW

Porto

Wed 10/14

5:15 pm-7:30 pm

Nonstop2h 15m

London Gatwick

Mon 10/19

8:55 pm-11:35 pm

Nonstop2h 40m

$162

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

$163

PortoLondon

OPO - LTN

OPOLTN

Porto

Wed 6/10

9:20 am-11:45 am

Nonstop2h 25m

London Luton

Sun 6/14

1:00 pm-3:30 pm

Nonstop2h 30m

$166
Quickest round-trip

PortoLondon

OPO - LGW

OPOLGW

Porto

Fri 7/10

7:45 pm-10:00 pm

Nonstop2h 15m

London Gatwick

Tue 7/14

8:50 pm-11:20 pm

Nonstop2h 30m

$167

PortoLondon

OPO - LGW

OPOLGW

Porto

Thu 6/18

6:40 am-9:05 am

Nonstop2h 25m

London Gatwick

Sun 6/21

9:35 am-12:00 pm

Nonstop2h 25m

$170

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/21

Showing 1-10 of 53 resultsSorted by cheapest first
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6

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 May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice 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 $24). Flying from Porto to London in December is currently the most expensive (average of $218). 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 May 22, 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 43% 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 119 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 May 22, 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
2,257 reviews

Entertainment

6.3

Comfort

7.1

Crew

7.8

Food

6.2

Boarding

7.0

Overall

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LIS - EWR

Both flights returning to newirk airport was delayed by over a hour with minimum early notification
TAP AIR PORTUGAL
7.2
Good
2,257 reviews
TAP AIR PORTUGAL
7.2
Good
2,257 reviews

Entertainment

6.3

Comfort

7.1

Crew

7.8

Food

6.2

Boarding

7.0

Overall

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LIS - EWR

Both flights returning to newirk airport was delayed by over a hour with minimum early notification
Ryanair
6.9
Okay
5,375 reviews
TAP AIR PORTUGAL
7.2
Good
2,257 reviews

Entertainment

6.3

Comfort

7.1

Crew

7.8

Food

6.2

Boarding

7.0

Overall

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LIS - EWR

Both flights returning to newirk airport was delayed by over a hour with minimum early notification
easyJet
6.9
Okay
1,902 reviews
TAP AIR PORTUGAL
7.2
Good
2,257 reviews

Entertainment

6.3

Comfort

7.1

Crew

7.8

Food

6.2

Boarding

7.0

Overall

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LIS - EWR

Both flights returning to newirk airport was delayed by over a hour with minimum early notification
British Airways
6.7
Okay
7,992 reviews
TAP AIR PORTUGAL
7.2
Good
2,257 reviews

Entertainment

6.3

Comfort

7.1

Crew

7.8

Food

6.2

Boarding

7.0

Overall

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LIS - EWR

Both flights returning to newirk airport was delayed by over a hour with minimum early notification

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 4 outbound flights to London per day. You should also have plenty of airline options to choose from since 3 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 $152, easyJet can have you in London from Porto in 2h 20m. 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. Additional options worth looking into are easyJet and TAP AIR PORTUGAL, starting at $99 and $106 round-trip. 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 ($41), Ryanair ($58), and British Airways ($79).

  • 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 Gatwick or Porto - London Luton 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 $24). Flying from Porto to London in December is currently the most expensive (average of $218). 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
Porto to Gatwick flights
Lisbon to Gatwick flights
Faro to Heathrow flights
Faro to Gatwick flights

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 May 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest$46Average$99FlexibilityNo cancel feeOn-timeN/A
easyJetCheapest$99Average$192FlexibilityNo cancel feeOn-time86%
TAP AIR PORTUGALCheapest$106Average$333FlexibilityNo cancel feeOn-timeN/A

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