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Cheap flights from Porto to London from £36

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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — LON
5 Jul — 12 Jul1
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 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 30 June 2025.

Round-trip from

£70

One-way from

£36

Popular in

July

Cheapest in

February

Average price

£115

Good round-trip deal

£64 or less

Good one-way deal

£55 or less
Ryanair
  • Ryanair
  • 1/8-31/8
  • Nonstop
  • 4h 40m total
  • Porto to London
Ryanair
  • Ryanair
  • 9/7
  • Nonstop
  • 2h 25m total
  • Porto to London
Highest demand for flights based on searches. 24% potential increase in price (£24 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£3 potential savings vs. average return price).
Average for round-trip flights in June 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 30 June 2025.

Wed 24/906:05OPO - STN
Nonstop2h 25mRyanair
Wed 1/1006:35STN - OPO
Nonstop2h 25mRyanair
Deal found 28/6£67
Sat 11/1006:55OPO - LGW
Nonstop2h 25measyJet
Mon 13/1009:50LGW - OPO
Nonstop2h 20measyJet
Deal found 30/6£71
Sat 20/909:15OPO - STN
Nonstop2h 25mMultiple Airlines
Sun 28/906:40STN - OPO
Nonstop2h 25mMultiple Airlines
Deal found 30/6£76
Wed 24/909:20OPO - LTN
Nonstop2h 25measyJet
Sun 28/913:05LTN - OPO
Nonstop2h 25measyJet
Deal found 28/6£76
Thu 9/1020:55OPO - LGW
1 stop22h 05mMultiple Airlines
Sun 12/1012:45LGW - OPO
Nonstop2h 30mMultiple Airlines
Deal found 30/6£99
Tue 4/1117:30OPO - LGW
Nonstop2h 20mBritish Airways
Sat 8/1116:50LGW - OPO
Nonstop2h 25mBritish Airways
Deal found 28/6£110
Fri 12/922:40OPO - LTN
1 stop15h 05mRyanair
Wed 17/918:35LTN - OPO
1 stop14h 40mRyanair
Deal found 30/6£133
Fri 1/809:25OPO - LTN
Nonstop2h 25mMultiple Airlines
Sun 31/821:50LTN - OPO
2 stops12h 55mMultiple Airlines
Deal found 29/6£135
Fri 28/1112:10OPO - LHR
1 stop10h 15mMultiple Airlines
Mon 1/1209:55LHR - OPO
1 stop22h 15mMultiple Airlines
Deal found 29/6£146
Thu 6/1111:15OPO - LHR
1 stop7h 40mTAP AIR PORTUGAL
Tue 11/1106:00LHR - OPO
1 stop9h 00mTAP AIR PORTUGAL
Deal found 29/6£154
Wed 8/1016:55OPO - LHR
1 stop5h 35mIberia
Tue 13/109:55LHR - OPO
1 stop11h 20mIberia
Deal found 29/6£159
Wed 24/906:15OPO - LHR
1 stop7h 35mKLM
Tue 30/909:55LHR - OPO
1 stop5h 40mKLM
Deal found 28/6£165

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 30 June 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

Fri 1/8

06:05-08:20

Nonstop2h 15m

London Stansted

Sun 31/8

08:45-11:10

Nonstop2h 25m

£70

PortoLondon

OPO - LGW

OPOLGW

Porto

Sat 11/10

06:55-09:20

Nonstop2h 25m

London Gatwick

Mon 13/10

09:50-12:10

Nonstop2h 20m

£71

PortoLondon

OPO - STN

OPOSTN

Porto

Sat 20/9

09:15-11:40

Nonstop2h 25m

London Stansted

Sun 28/9

06:40-09:05

Nonstop2h 25m

£76

PortoLondon

OPO - LTN

OPOLTN

Porto

Wed 24/9

09:20-11:45

Nonstop2h 25m

London Luton

Sun 28/9

13:05-15:30

Nonstop2h 25m

£76

PortoLondon

OPO - LGW

OPOLGW

Porto

Thu 6/11

19:55-12:05

1 stop16h 10m

London Gatwick

Tue 11/11

09:20-19:30

1 stop10h 10m

£98

PortoLondon

OPO - LGW

OPOLGW

Porto

Thu 9/10

20:55-19:00

1 stop22h 05m

London Gatwick

Sun 12/10

12:45-15:15

Nonstop2h 30m

£99

PortoLondon

OPO - LGW

OPOLGW

Porto

Thu 16/10

09:55-12:05

Nonstop2h 10m

London Gatwick

Mon 20/10

18:00-20:20

Nonstop2h 20m

£107

PortoLondon

OPO - LGW

OPOLGW

Porto

Wed 17/9

09:15-20:40

1 stop11h 25m

London Gatwick

Sat 20/9

21:20-08:50

1 stop11h 30m

£109

PortoLondon

OPO - LTN

OPOLTN

Porto

Fri 1/8

09:25-11:50

Nonstop2h 25m

London Luton

Sun 31/8

17:30-08:40

1 stop15h 10m

£130

PortoLondon

OPO - LTN

OPOLTN

Porto

Fri 12/9

22:40-13:45

1 stop15h 05m

London Luton

Wed 17/9

18:35-09:15

1 stop14h 40m

£133

Flights are sorted by cheapest return flights first.

Deals found on 29/6

Showing 1-10 of 46 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 27 June 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 30 June 2025.

It’s optimal to fly from Porto to London at midday. By choosing this option you can save up to 45% 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 30 June 2025.

The most flights from OPO to LON are scheduled on a Monday (12 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 on average).

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 30 June 2025.
Check out reviews from past customers who have flown with KLM, SWISS, andVueling from Porto to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.1

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Entertainment

7.1

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Entertainment

7.1

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Entertainment

7.1

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Entertainment

7.1

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Entertainment

7.1

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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 6 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 £70 on this airline. Additional options worth looking into are easyJet and Vueling, starting at £71 and £98 round-trip. You may be able to fly from Porto to London for 31% less than the average price by searching for these airlines.

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

    £36 is the cheapest one-way deal found within the past few days, from Ryanair. You may also be able to find cheap deals on easyJet and easyJet, with prices starting from £36 and £37, 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
Croydon
Milton Keynes
Deal
Gatwick
Luton
Slough
Wembley
Crawley
Eastbourne
Ilford
Hayes
Folkestone
Southend-on-Sea
Watford
Ipswich
Winchester
Maidstone
Guildford
Chichester

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 30 June 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£46Average£124FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£49Average£130FlexibilityNo cancel feeOn-time86%
Search easyJet flights
TAP AIR PORTUGALCheapest£78Average£161FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
British AirwaysCheapest£93Average£168FlexibilityNo 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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Why should you use Cheapflights to find cheap flight tickets from Porto to London?

Cheapflights helps you find that perfect flight to London from Porto by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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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