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Cheap flights from London to Porto from £37

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 27/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — OPO
12 Oct — 19 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from London to Porto are usually found in January or February, booked 32 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from London to Porto

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Porto (OPO). 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 12 September 2025.

Round-trip from

£81

One-way from

£37

Popular in

August

Cheapest in

January

Average price

£156

Good round-trip deal

£93 or less

Good one-way deal

£36 or less
Air Europa
  • Air Europa
  • 15/11-18/11
  • 2 total stops
  • 28h 05m total
  • London to Porto
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Ryanair
  • Ryanair
  • 27/10
  • Nonstop
  • 2h 25m total
  • London to Porto
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Highest demand for flights based on searches. 24% potential increase in price (£33 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£6 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from London (LON) to Porto.
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Price to beat on a one-way flight from London (LON) to Porto.
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Find flight deals from London to Porto

Cheapest flights from London to Porto
Explore the most affordable flight options available from London to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2025.

Mon 6/1006:10LGW - OPO
Nonstop2h 25measyJet
Wed 8/1006:55OPO - LGW
Nonstop2h 25measyJet
Deal found 11/9£81
Sun 2/1105:10STN - OPO
Nonstop2h 25mRyanair
Sat 8/1111:40OPO - STN
Nonstop2h 25mRyanair
Deal found 10/9£81
Sun 2/1113:15LTN - OPO
Nonstop2h 25measyJet
Fri 7/1120:20OPO - LTN
Nonstop2h 35measyJet
Deal found 10/9£81
Tue 7/1009:15LGW - OPO
Nonstop2h 25measyJet
Wed 15/1006:55OPO - LGW
Nonstop2h 25measyJet
Deal found 11/9£82
Fri 3/1020:30STN - OPO
Nonstop2h 25mRyanair
Sun 12/1005:55OPO - STN
Nonstop2h 25mRyanair
Deal found 10/9£82
Mon 6/1006:10LGW - OPO
Nonstop2h 25measyJet
Thu 9/1006:40OPO - LGW
Nonstop2h 20measyJet
Deal found 11/9£83
Fri 3/1020:30STN - OPO
Nonstop2h 25mRyanair
Sun 5/1005:55OPO - STN
Nonstop2h 25mRyanair
Deal found 10/9£83
Mon 3/1115:20LTN - OPO
Nonstop2h 30measyJet
Thu 6/1110:15OPO - LTN
Nonstop2h 25measyJet
Deal found 11/9£83
Mon 6/1006:10LGW - OPO
Nonstop2h 25measyJet
Fri 10/1019:45OPO - LGW
Nonstop2h 15measyJet
Deal found 10/9£83
Sun 5/1021:05STN - OPO
1 stop23h 25mRyanair
Thu 9/1017:20OPO - STN
Nonstop2h 25mRyanair
Deal found 11/9£83
Wed 15/1005:35LGW - OPO
1 stop15h 40mMultiple Airlines
Sat 18/1006:05OPO - LGW
1 stop6h 35mMultiple Airlines
Deal found 10/9£84
Wed 8/1014:55STN - OPO
Nonstop2h 25mRyanair
Sat 11/1018:00OPO - STN
1 stop5h 45mRyanair
Deal found 10/9£84

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Porto 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 12 September 2025.
Use the filters below to find and compare flights from London to Porto that are best for you.

Fly from

London

Fly to

Porto

Route

Depart

Return

Price

LondonPorto

STN - OPO

STNOPO

London Stansted

Fri 14/11

06:00-08:25

Nonstop2h 25m

Porto

Sun 16/11

12:00-14:25

Nonstop2h 25m

£83

LondonPorto

STN - OPO

STNOPO

London Stansted

Fri 3/10

20:30-22:55

Nonstop2h 25m

Porto

Sun 5/10

05:55-08:20

Nonstop2h 25m

£83

LondonPorto

STN - OPO

STNOPO

London Stansted

Fri 21/11

06:00-08:25

Nonstop2h 25m

Porto

Tue 25/11

19:40-22:05

Nonstop2h 25m

£83

LondonPorto

LGW - OPO

LGWOPO

London Gatwick

Wed 5/11

09:35-12:05

Nonstop2h 30m

Porto

Sat 8/11

09:40-12:00

Nonstop2h 20m

£87

LondonPorto

STN - OPO

STNOPO

London Stansted

Mon 27/10

05:55-08:20

Nonstop2h 25m

Porto

Mon 27/10

14:40-17:05

Nonstop2h 25m

£87

LondonPorto

STN - OPO

STNOPO

London Stansted

Sat 18/10

06:25-08:50

Nonstop2h 25m

Porto

Tue 28/10

09:10-11:35

Nonstop2h 25m

£88

LondonPorto

LTN - OPO

LTNOPO

London Luton

Mon 2/2

06:50-18:35

1 stop11h 45m

Porto

Fri 6/2

20:20-22:55

Nonstop2h 35m

£88

LondonPorto

STN - OPO

STNOPO

London Stansted

Sun 28/9

06:40-09:05

Nonstop2h 25m

Porto

Tue 30/9

22:20-00:45

Nonstop2h 25m

£89

LondonPorto

LTN - OPO

LTNOPO

London Luton

Thu 5/2

07:15-09:45

Nonstop2h 30m

Porto

Thu 12/2

10:15-12:40

Nonstop2h 25m

£90

LondonPorto

STN - OPO

STNOPO

London Stansted

Sat 4/10

19:00-21:25

Nonstop2h 25m

Porto

Mon 6/10

06:05-08:30

Nonstop2h 25m

£90

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 60 results
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Best time to book a flight from London to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from London 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 London to Porto

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

Use this chart to determine the optimal time to book a return flight from London to Porto. Price data was last updated on 29 August 2025.

To ensure you get the cheapest price possible for a flight from London to Porto, you should look to book at least 32 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 London to Porto?

Currently, February is the cheapest month in which you can book a flight from London to Porto (average of £66). Flying from London to Porto in August is currently the most expensive (average of £258). 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 LON to OPO?

Find hourly flight availability from London to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 September 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 43% on flights from London to Porto by exploring options for tickets at midday.

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

Use this chart to determine the cheapest time to fly return from London to Porto. Price data was last updated on 16 December 2024.

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

How much does it cost for a return flight from London to Porto?

What’s the top stopover airport for flights from London to Porto?

Share of one-stop return flights from London to Porto chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Lisbon (LIS) – chosen by Cheapflights users on 41% of one-stop itineraries from London to Porto on Cheapflights.

What’s the cheapest stopover airport for flights from London to Porto?

Average return fare for one-stop flights from London to Porto, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Shannon (SNN) is the most affordable one-stop option, with an average return flight price of £142.

What’s the fastest stopover option from London to Porto?

Shortest average travel time for one-stop one-way flights from London to Porto, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Madrid (MAD) have the shortest average one-way travel time for one-stop routes: 5h 05m.

Which airport typically offers the quickest stopover for flights from London to Porto?

Average stopover duration for one-stop one-way flights from London to Porto, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Zurich (ZRH) offer the fastest connection on this route, with an average stopover time of 1h 15m.

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. 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 Porto. Reviews last updated 12 September 2025.
See what other customers who have flown with TAP AIR PORTUGAL, Iberia, andeasyJet from London to Porto have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
TAP AIR PORTUGAL
7.1
Good
1,977 reviews
Check prices

Entertainment

6.3

Boarding

7.0

Comfort

7.1

Crew

7.8

Overall

7.1

Food

6.2

Reviews

1 / 20
2.0
Mediocre

Claudia,Jul 2025

EWR - LIS

Never made the trip. Had to cancel due to multiple delays
TAP AIR PORTUGAL
7.1
Good
1,977 reviews
TAP AIR PORTUGAL
7.1
Good
1,977 reviews
Check prices

Entertainment

6.3

Boarding

7.0

Comfort

7.1

Crew

7.8

Overall

7.1

Food

6.2

Reviews

1 / 20
2.0
Mediocre

Claudia,Jul 2025

EWR - LIS

Never made the trip. Had to cancel due to multiple delays
Iberia
7.0
Good
2,929 reviews
TAP AIR PORTUGAL
7.1
Good
1,977 reviews
Check prices

Entertainment

6.3

Boarding

7.0

Comfort

7.1

Crew

7.8

Overall

7.1

Food

6.2

Reviews

1 / 20
2.0
Mediocre

Claudia,Jul 2025

EWR - LIS

Never made the trip. Had to cancel due to multiple delays
easyJet
6.9
Okay
1,820 reviews
TAP AIR PORTUGAL
7.1
Good
1,977 reviews
Check prices

Entertainment

6.3

Boarding

7.0

Comfort

7.1

Crew

7.8

Overall

7.1

Food

6.2

Reviews

1 / 20
2.0
Mediocre

Claudia,Jul 2025

EWR - LIS

Never made the trip. Had to cancel due to multiple delays
Ryanair
6.8
Okay
5,158 reviews
TAP AIR PORTUGAL
7.1
Good
1,977 reviews
Check prices

Entertainment

6.3

Boarding

7.0

Comfort

7.1

Crew

7.8

Overall

7.1

Food

6.2

Reviews

1 / 20
2.0
Mediocre

Claudia,Jul 2025

EWR - LIS

Never made the trip. Had to cancel due to multiple delays
British Airways
6.7
Okay
7,361 reviews
TAP AIR PORTUGAL
7.1
Good
1,977 reviews
Check prices

Entertainment

6.3

Boarding

7.0

Comfort

7.1

Crew

7.8

Overall

7.1

Food

6.2

Reviews

1 / 20
2.0
Mediocre

Claudia,Jul 2025

EWR - LIS

Never made the trip. Had to cancel due to multiple delays

Related info for your journey

Find useful and relevant information for your journey from London to Porto. 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 into for flights to Porto from London?

    Most people fly into Porto (OPO) if they book a flight to Porto from London. On average, Porto has 6 inbound flights from London per day from 10 airlines. Porto is conveniently located just 6.8 mi from Porto’s city center.

  • How long is the flight from London to Porto?

    Departing from London to Porto will take you 2h 25m. London and Porto are separated by a distance of 846 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    According to our current data, easyJet (£47), Ryanair (£54), and British Airways (£74) offers the cheapest pricing from London to Porto. easyJet is priced at 66% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for Ryanair. According to our data, you can fly for as low as £38. Users have also found prices from £38 and £61 on easyJet and Vueling, respectively.

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

    While some choose either London Heathrow - Porto or London Stansted - Porto, London Gatwick - Porto is the most popular route from London to Porto.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from London to Porto (average of £66). Flying from London to Porto in August is currently the most expensive (average of £258). 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
Coimbra
Guimarães
Chaves
Viseu
Vila Nova de Gaia
Aveiro

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Fly from London to Porto on these airlines

Choose from the following airlines for your flight from London to Porto. Flights are based on user searches made on Cheapflights and were last updated on 12 September 2025.
Ryanair flights from London to Porto
easyJet flights from London to Porto
TAP AIR PORTUGAL flights from London to Porto

Top 10 airlines flying from London to Porto

Discover the top 10 airlines that operate flights from London to Porto. 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 12 September 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£47Average£146FlexibilityNo cancel feeOn-time86%
Search easyJet flights
RyanairCheapest£54Average£152FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£74Average£230FlexibilityNo cancel feeOn-time70%
Search British Airways flights
VuelingCheapest£94Average£198FlexibilityNo cancel feeOn-time88%
Search Vueling flights
TAP AIR PORTUGALCheapest£102Average£190FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
KLMCheapest£130Average£227FlexibilityNo cancel feeOn-time75%
Search KLM flights
IberiaCheapest£137Average£241FlexibilityNo cancel feeOn-time77%
Search Iberia flights
SWISSCheapest£138Average£174FlexibilityNo cancel feeOn-time79%
Search SWISS flights
LufthansaCheapest£139Average£277FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Brussels AirlinesCheapest£171Average£286FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

When you search for this flight from London to Porto, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from London to Porto?

Cheapflights simply makes it quick and affordable to book flights from London to Porto by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Porto, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on London to Porto flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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