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Cheap flights from Porto to London from £40

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — LON
20 Apr — 27 Apr1
1 adult

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 Sunday 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 15 April 2025.

Round-trip from

£51

One-way from

£40

Popular in

July

Cheapest in

February

Average price

£125

Good round-trip deal

£50 or less

Good one-way deal

£62 or less
Ryanair
  • Ryanair
  • 13/5-20/5
  • Nonstop
  • 4h 50m total
  • Porto to London
easyJet
  • easyJet
  • 10/7
  • Nonstop
  • 2h 20m total
  • Porto to London
Highest demand for flights based on searches. 21% potential increase in price (£22 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£3 potential savings vs. average return price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Porto to London (LON).
Price to beat on a one-way flight from Porto to London (LON).

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 15 April 2025.

Tue 13/522:20OPO - STN
Nonstop2h 25mRyanair
Tue 20/506:50STN - OPO
Nonstop2h 25mRyanair
Deal found 14/4£51
Thu 25/906:40OPO - LGW
Nonstop2h 20measyJet
Mon 29/909:50LGW - OPO
Nonstop2h 25measyJet
Deal found 14/4£71
Fri 23/509:25OPO - LTN
Nonstop2h 25measyJet
Fri 30/506:30LTN - OPO
Nonstop2h 25measyJet
Deal found 14/4£75
Thu 22/506:40OPO - LGW
Nonstop2h 20mMultiple Airlines
Sat 31/521:05LGW - OPO
1 stop10h 55mMultiple Airlines
Deal found 14/4£76
Wed 21/509:25OPO - STN
Nonstop2h 25mMultiple Airlines
Wed 28/513:55STN - OPO
1 stop7h 25mMultiple Airlines
Deal found 15/4£84
Fri 23/509:25OPO - LTN
Nonstop2h 25mMultiple Airlines
Fri 30/506:25LTN - OPO
1 stop14h 05mMultiple Airlines
Deal found 14/4£104
Thu 15/510:50OPO - LTN
1 stop7h 55mRyanair
Sun 18/518:55LTN - OPO
1 stop25h 35mRyanair
Deal found 14/4£127
Tue 13/522:00OPO - LHR
1 stop11h 10mVueling
Sat 31/520:50LHR - OPO
1 stop11h 10mVueling
Deal found 14/4£128
Thu 22/506:15OPO - LHR
1 stop24h 25mMultiple Airlines
Sat 31/520:50LHR - OPO
1 stop11h 10mMultiple Airlines
Deal found 14/4£141
Fri 10/1011:00OPO - LHR
1 stop11h 55mTAP AIR PORTUGAL
Sun 12/1006:00LHR - OPO
1 stop11h 00mTAP AIR PORTUGAL
Deal found 14/4£146
Wed 12/1107:35OPO - LGW
1 stop8h 50mAir Europa
Fri 14/1117:25LGW - OPO
1 stop13h 25mAir Europa
Deal found 14/4£150
Sat 2/809:00OPO - LGW
Nonstop2h 20mTAP AIR PORTUGAL
Tue 5/821:15LGW - OPO
Nonstop2h 25mTAP AIR PORTUGAL
Deal found 14/4£164

Cheapflights Fare Finder

Customise 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 858,174 searches. Data last updated 15 April 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 - STN

OPOSTN

Porto

Tue 13/5

22:20-00:45

Nonstop2h 25m

London Stansted

Tue 20/5

06:50-09:15

Nonstop2h 25m

£51

PortoLondon

OPO - LGW

OPOLGW

Porto

Thu 25/9

06:40-09:00

Nonstop2h 20m

London Gatwick

Mon 29/9

09:50-12:15

Nonstop2h 25m

£71

PortoLondon

OPO - LTN

OPOLTN

Porto

Fri 23/5

09:25-11:50

Nonstop2h 25m

London Luton

Fri 30/5

06:30-08:55

Nonstop2h 25m

£75

PortoLondon

OPO - LGW

OPOLGW

Porto

Thu 22/5

06:40-09:00

Nonstop2h 20m

London Gatwick

Sat 31/5

21:05-08:00

1 stop10h 55m

£76

PortoLondon

OPO - STN

OPOSTN

Porto

Wed 21/5

09:25-11:50

Nonstop2h 25m

London Stansted

Wed 28/5

13:55-21:20

1 stop7h 25m

£84

PortoLondon

OPO - LTN

OPOLTN

Porto

Fri 23/5

09:25-11:50

Nonstop2h 25m

London Luton

Fri 30/5

06:25-20:30

1 stop14h 05m

£104

PortoLondon

OPO - LTN

OPOLTN

Porto

Thu 15/5

10:50-18:45

1 stop7h 55m

London Luton

Sun 18/5

18:55-20:30

1 stop25h 35m

£127

PortoLondon

OPO - LHR

OPOLHR

Porto

Tue 13/5

22:00-09:10

1 stop11h 10m

London Heathrow

Sat 31/5

20:50-08:00

1 stop11h 10m

£128

PortoLondon

OPO - LHR

OPOLHR

Porto

Thu 22/5

06:15-06:40

1 stop24h 25m

London Heathrow

Sat 31/5

20:50-08:00

1 stop11h 10m

£141

PortoLondon

OPO - LHR

OPOLHR

Porto

Fri 10/10

11:00-22:55

1 stop11h 55m

London Heathrow

Sun 12/10

06:00-17:00

1 stop11h 00m

£146

Flights are sorted by cheapest return flights first.

Deals found on 13/4

Showing 1-10 of 57 results
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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 return 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 return flight from Porto to London. Price data was last updated on 11 April 2025.

To ensure you get the cheapest price possible for a flight from Porto to London, you should look to book at least 78 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Porto to London (average of £112). Flying from Porto to London in August is currently the most expensive (average of £164). 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 15 April 2025.

It’s optimal to fly from Porto to London at midday. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Porto to London?

Use this chart to determine the cheapest time to fly return from Porto to London. Price data was last updated on 1 December 2024.

Travellers seeking maximum savings on their Porto to London flight should consider departing on Tuesday evenings when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 15 April 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 (3 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 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 15 April 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. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Food

7.3

Boarding

7.8

Overall

8.1

Comfort

7.8

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

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

Crew

8.6

Food

7.3

Boarding

7.8

Overall

8.1

Comfort

7.8

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

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

Crew

8.6

Food

7.3

Boarding

7.8

Overall

8.1

Comfort

7.8

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

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

Crew

8.6

Food

7.3

Boarding

7.8

Overall

8.1

Comfort

7.8

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

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

Crew

8.6

Food

7.3

Boarding

7.8

Overall

8.1

Comfort

7.8

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

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

Crew

8.6

Food

7.3

Boarding

7.8

Overall

8.1

Comfort

7.8

Entertainment

6.9

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?

    For a flight from Porto to London, you will be flying from Porto. Porto (OPO) is just 6.8 mi from the center of the city. Porto is the only Porto airport and it handles 7 outbound flights to London per day. 4 airlines have flights to London from Porto on a regular basis.

  • 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 £51 on this airline. Additional options worth looking into are easyJet and Vueling, starting at £71 and £128 round-trip. You may be able to fly from Porto to London for 52% less than the average price by searching for these airlines.

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

    £40 is the cheapest one-way deal found within the past few days, from easyJet. You may also be able to find cheap deals on Ryanair and Vueling, with prices starting from £41 and £43, respectively.

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

  • 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 holiday 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, January is the cheapest month in which you can book a flight from Porto to London (average of £112). Flying from Porto to London in August is currently the most expensive (average of £164). 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

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Hounslow
Deal
Milton Keynes
Luton
Gatwick
Croydon
Slough
Eastbourne
Wembley
Crawley
Hayes
Southend-on-Sea
Maidstone
Ilford
Winchester
Ipswich
Southall
Folkestone
Dartford
Watford

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Porto to London

Discover the top 4 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 858,174 searches. Data last updated 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£48Average£134FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£59Average£109FlexibilityNo cancel feeOn-time86%
Search easyJet flights
TAP AIR PORTUGALCheapest£93Average£213FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
British AirwaysCheapest£97Average£165FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Porto to London?

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Can Cheapflights find flights from Porto to London with no change fees?

Yes, we can. To see specific flights from Porto to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Porto to London become cheaper?

Not ready to book yet? You can track prices for flights from Porto to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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