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$49+ 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — LON
may. 4 — may. 111
dom. 5/4
dom. 5/11
1 adult, Economy
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Cheapflights Tip: The best prices from Porto to London are usually found in February or March, booked 78 days in advance, depart on a Saturday or Tuesday 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 abril 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$83
(easyJet)

One-way from

$49
(Vueling Global)

Popular in

July

Cheapest in

February

Average price

$172

Good round-trip deal

$62 or less

Good one-way deal

$60 or less
Provider with most accurate pricing for Porto-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Porto-London (LON) flights.
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From Porto to London (LON)
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One-way flight from Porto to London (LON)
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Highest demand for flights based on searches. 21% potential increase in price ($39 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Porto to London (LON).
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Price to beat on a one-way flight from Porto to London (LON).
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Find 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 abril 29, 2025.

This easyJet deal was found by Cheapflights users on 4/29. 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.
sáb. 5/176:55 amOPO - LGW
Nonstop2h 25measyJet
lun. 6/26:10 amLGW - OPO
Nonstop2h 25measyJet
Deal found 4/29$83
This easyJet deal was found by Cheapflights users on 4/29. 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.
mar. 11/1110:05 amOPO - LTN
Nonstop2h 25measyJet
sáb. 11/156:10 amLTN - OPO
Nonstop2h 30measyJet
Deal found 4/29$98
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
jue. 6/126:40 amOPO - LGW
Nonstop2h 20mMultiple Airlines
dom. 6/298:00 amLGW - OPO
1 stop5h 05mMultiple Airlines
Deal found 4/29$132
This Air Europa deal was found by Cheapflights users on 4/29. 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.
sáb. 5/248:10 pmOPO - LGW
1 stop12h 50mAir Europa
mar. 6/105:25 pmLGW - OPO
1 stop13h 25mAir Europa
Deal found 4/29$180
This TAP AIR PORTUGAL deal was found by Cheapflights users on 4/29. 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.
mar. 9/910:30 pmOPO - LGW
1 stop11h 15mTAP AIR PORTUGAL
lun. 9/159:15 pmLGW - OPO
Nonstop2h 25mTAP AIR PORTUGAL
Deal found 4/29$207
This TAP AIR PORTUGAL deal was found by Cheapflights users on 4/29. 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.
vie. 9/197:00 amOPO - LHR
1 stop5h 45mTAP AIR PORTUGAL
dom. 9/211:45 pmLHR - OPO
1 stop6h 40mTAP AIR PORTUGAL
Deal found 4/29$207
This Vueling Global deal was found by Cheapflights users on 4/29. 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 Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/58:40 pmOPO - LGW
1 stop12h 05mVueling
jue. 6/127:40 pmLGW - OPO
1 stop18h 15mVueling
Deal found 4/29$214
This KLM deal was found by Cheapflights users on 4/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/176:50 pmOPO - LHR
1 stop12h 50mKLM
lun. 6/232:45 pmLHR - OPO
1 stop6h 30mKLM
Deal found 4/28$218
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
vie. 6/64:05 pmOPO - LTN
1 stop9h 25mMultiple Airlines
dom. 6/81:05 pmLTN - OPO
Nonstop2h 25mMultiple Airlines
Deal found 4/28$225
This Orbitz deal was found by Cheapflights users on 4/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/288:40 amOPO - LHR
1 stop9h 10mMultiple Airlines
mié. 6/48:00 pmLHR - OPO
1 stop11h 35mMultiple Airlines
Deal found 4/28$228
This Lufthansa deal was found by Cheapflights users on 4/28. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/236:15 amOPO - LHR
1 stop16h 25mLufthansa
jue. 5/294:25 pmLHR - OPO
1 stop6h 55mLufthansa
Deal found 4/28$236
This British Airways deal was found by Cheapflights users on 4/29. 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.
jue. 5/159:55 amOPO - LGW
Nonstop2h 10mBritish Airways
lun. 5/196:00 pmLGW - OPO
Nonstop2h 20mBritish Airways
Deal found 4/29$241

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 abril 29, 2025.
Use the filters below to find and compare flights from Porto to London that are best for you.

Fly from

Porto

Fly to

London

Route

Depart

Return

Price

PortoLondon

OPO - LGW

OPOLGW

Porto

sáb. 5/17

6:55 am-9:20 am

Nonstop2h 25m

London Gatwick

lun. 6/2

6:10 am-8:35 am

Nonstop2h 25m

$83

PortoLondon

OPO - LTN

OPOLTN

Porto

vie. 5/23

9:25 am-11:50 am

Nonstop2h 25m

London Luton

vie. 6/13

6:30 am-8:55 am

Nonstop2h 25m

$100

PortoLondon

OPO - LGW

OPOLGW

Porto

jue. 6/12

6:40 am-9:00 am

Nonstop2h 20m

London Gatwick

dom. 6/29

8:00 am-1:05 pm

1 stop5h 05m

$132

PortoLondon

OPO - LGW

OPOLGW

Porto

sáb. 5/24

8:10 pm-9:00 am

1 stop12h 50m

London Gatwick

mar. 6/10

5:25 pm-6:50 am

1 stop13h 25m

$180

PortoLondon

OPO - LGW

OPOLGW

Porto

mar. 9/9

10:30 pm-9:45 am

1 stop11h 15m

London Gatwick

lun. 9/15

9:15 pm-11:40 pm

Nonstop2h 25m

$207

PortoLondon

OPO - LGW

OPOLGW

Porto

jue. 6/5

8:40 pm-8:45 am

1 stop12h 05m

London Gatwick

jue. 6/12

7:40 pm-1:55 pm

1 stop18h 15m

$214

PortoLondon

OPO - LHR

OPOLHR

Porto

jue. 6/12

4:00 pm-10:55 pm

1 stop6h 55m

London Heathrow

dom. 6/29

6:00 am-7:00 pm

1 stop13h 00m

$216

PortoLondon

OPO - LHR

OPOLHR

Porto

mar. 6/17

6:50 pm-7:40 am

1 stop12h 50m

London Heathrow

lun. 6/23

2:45 pm-9:15 pm

1 stop6h 30m

$218

PortoLondon

OPO - LTN

OPOLTN

Porto

vie. 6/6

4:05 pm-1:30 am

1 stop9h 25m

London Luton

dom. 6/8

1:05 pm-3:30 pm

Nonstop2h 25m

$225

PortoLondon

OPO - LHR

OPOLHR

Porto

mié. 5/28

8:40 am-5:50 pm

1 stop9h 10m

London Heathrow

mié. 6/4

8:00 pm-7:35 am

1 stop11h 35m

$228

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 46 results
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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 April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Porto-London flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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

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 April 25, 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 $1,110). 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 abril 29, 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 25% on your trip compared to booking a flight in the evening.

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 abril 29, 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 (1 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 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 abril 29, 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.
Aegean Airlines
8.1
Very good
739 reviews

Food

7.3

Comfort

7.8

Boarding

7.8

Entertainment

6.9

Overall

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Aegean Airlines
8.1
Very good
739 reviews
Aegean Airlines
8.1
Very good
739 reviews

Food

7.3

Comfort

7.8

Boarding

7.8

Entertainment

6.9

Overall

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
KLM
7.8
Good
1,334 reviews
Aegean Airlines
8.1
Very good
739 reviews

Food

7.3

Comfort

7.8

Boarding

7.8

Entertainment

6.9

Overall

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
EL AL
7.8
Good
531 reviews
Aegean Airlines
8.1
Very good
739 reviews

Food

7.3

Comfort

7.8

Boarding

7.8

Entertainment

6.9

Overall

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Norwegian
7.8
Good
227 reviews
Aegean Airlines
8.1
Very good
739 reviews

Food

7.3

Comfort

7.8

Boarding

7.8

Entertainment

6.9

Overall

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
LOT
7.6
Good
1,069 reviews
Aegean Airlines
8.1
Very good
739 reviews

Food

7.3

Comfort

7.8

Boarding

7.8

Entertainment

6.9

Overall

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

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.

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

    Our cheapest airline available from Porto to London is easyJet. Our recent data shows that you can find tickets from as low as $83 on this airline. Additional options worth looking into are Air Europa and TAP AIR PORTUGAL, starting at $180 and $207 round-trip. These flights start at 41% 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 Vueling ($49), easyJet ($49), and Air Europa ($69).

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

    When deciding which route to take from Porto to London consider Porto - London Luton, Porto - London Heathrow 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, 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 $1,110). 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 Porto?

Book flights to Porto if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Horley
Canterbury
Harrow
Wembley
Dover
Gatwick
Orpington
Watford
Croydon
Borehamwood
Folkestone
Ilford
Aylesbury
Sutton
Chelmsford
Brentwood

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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
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Lisbon to Gatwick flights
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Porto 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 abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest$62Average$112FlexibilityNo cancel feeOn-timeN/A
easyJetCheapest$65Average$191FlexibilityNo cancel feeOn-time86%
TAP AIR PORTUGALCheapest$130Average$287FlexibilityNo cancel feeOn-timeN/A

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