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Cheap flights from London to Porto from £45

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 14/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — OPO
21 Jun — 28 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Porto are usually found in January or November, booked 53 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from London to Porto

Enter your travel dates to find the best prices.

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 22 May 2026.

Mon 29/613:05
STN
-
OPO
Nonstop2h 20m
Ryanair
Sat 11/721:50
OPO
-
STN
Nonstop2h 25m
Ryanair
Deal found 22/5£77
Sun 7/620:45
STN
-
OPO
Nonstop2h 25m
Ryanair
Thu 18/621:30
OPO
-
STN
Nonstop2h 25m
Ryanair
Deal found 21/5£77
Tue 16/608:00
LTN
-
OPO
1 stop13h 00m
Multiple Airlines
Tue 23/606:15
OPO
-
LTN
1 stop7h 30m
Multiple Airlines
Deal found 19/5£77
Tue 16/617:40
STN
-
OPO
Nonstop2h 25m
Ryanair
Tue 23/609:30
OPO
-
STN
Nonstop2h 25m
Ryanair
Deal found 20/5£78
Tue 2/606:35
STN
-
OPO
Nonstop2h 25m
Multiple Airlines
Thu 4/621:45
OPO
-
STN
1 stop23h 35m
Multiple Airlines
Deal found 20/5£79
Fri 29/506:30
STN
-
OPO
Nonstop2h 25m
Multiple Airlines
Mon 22/613:55
OPO
-
STN
1 stop10h 45m
Multiple Airlines
Deal found 17/5£80
Wed 7/1020:25
LGW
-
OPO
Nonstop2h 30m
easyJet
Sat 10/1008:30
OPO
-
LGW
Nonstop2h 25m
easyJet
Deal found 20/5£80
Mon 1/618:00
STN
-
OPO
Nonstop2h 25m
Ryanair
Wed 3/619:00
OPO
-
STN
1 stop20h 30m
Ryanair
Deal found 19/5£80
Tue 2/616:30
LTN
-
OPO
1 stop20h 05m
Multiple Airlines
Tue 9/621:30
OPO
-
LTN
1 stop16h 15m
Multiple Airlines
Deal found 17/5£80
Tue 29/920:50
LGW
-
OPO
Nonstop2h 30m
easyJet
Sat 10/1008:30
OPO
-
LGW
Nonstop2h 25m
easyJet
Deal found 20/5£81
Mon 18/508:15
STN
-
OPO
1 stop10h 10m
Ryanair
Fri 22/521:30
OPO
-
STN
Nonstop2h 25m
Ryanair
Deal found 17/5£81
Tue 2/608:00
LTN
-
OPO
1 stop5h 35m
Multiple Airlines
Thu 18/607:00
OPO
-
LTN
1 stop6h 45m
Multiple Airlines
Deal found 19/5£81

Find 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 22 May 2026.

Round-trip from

£76

One-way from

£45

Popular in

December

Cheapest in

January

Average price

£175

Good round-trip deal

£109 or less

Good one-way deal

£38 or less
Ryanair
  • Ryanair
  • 29/9-10/10
  • Nonstop
  • 4h 50m total
  • London to Porto
Search Deals
2/6
  • 2/6
  • 1 total stop
  • 7h 55m total
  • London to Porto
Search Deals
High demand for flights, 10% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from London (LON) to Porto.
Search Deals
Price to beat on a one-way flight from London (LON) to Porto.
Search Deals

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 22 May 2026.
Use the filters below to find and compare flights from London to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonPorto

STN - OPO

STNOPO

London Stansted

Wed 1/7

09:55-12:20

Nonstop2h 25m

Porto

Sat 4/7

21:50-00:15

Nonstop2h 25m

£77

LondonPorto

STN - OPO

STNOPO

London Stansted

Sat 13/6

16:15-18:40

Nonstop2h 25m

Porto

Fri 19/6

21:30-23:55

Nonstop2h 25m

£79

LondonPorto

STN - OPO

STNOPO

London Stansted

Tue 29/9

06:35-09:00

Nonstop2h 25m

Porto

Sat 10/10

07:05-09:30

Nonstop2h 25m

£83

LondonPorto

STN - OPO

STNOPO

London Stansted

Fri 5/6

18:40-21:05

Nonstop2h 25m

Porto

Fri 12/6

21:30-23:55

Nonstop2h 25m

£83

LondonPorto

STN - OPO

STNOPO

London Stansted

Tue 2/6

21:15-23:40

Nonstop2h 25m

Porto

Wed 3/6

15:40-18:05

Nonstop2h 25m

£83

LondonPorto

STN - OPO

STNOPO

London Stansted

Tue 14/7

21:15-23:40

Nonstop2h 25m

Porto

Fri 17/7

21:30-23:55

Nonstop2h 25m

£83

LondonPorto

LGW - OPO

LGWOPO

London Gatwick

Tue 29/9

20:50-23:20

Nonstop2h 30m

Porto

Sat 10/10

08:30-10:55

Nonstop2h 25m

£86

LondonPorto

STN - OPO

STNOPO

London Stansted

Wed 7/10

12:50-15:15

Nonstop2h 25m

Porto

Sat 10/10

07:05-09:30

Nonstop2h 25m

£89

LondonPorto

STN - OPO

STNOPO

London Stansted

Sat 4/7

19:00-21:25

Nonstop2h 25m

Porto

Tue 7/7

20:30-22:55

Nonstop2h 25m

£92

LondonPorto

LGW - OPO

LGWOPO

London Gatwick

Tue 2/6

20:50-23:20

Nonstop2h 30m

Porto

Tue 9/6

06:15-08:40

Nonstop2h 25m

£94

Flights are sorted by cheapest return flights first.

Deals found on 17/5

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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

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

Currently, January is the cheapest month in which you can book a flight from London to Porto (average of £128). Flying from London to Porto in December is currently the most expensive (average of £273). 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 22 May 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 19% on flights from London to Porto by exploring options for tickets at midday.

Weekly flight availability from London to Porto

Explore weekly flight availability from London to Porto. 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 22 May 2026.

The most flights from LON to OPO are scheduled on a Thursday (14 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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 51% 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.

Madrid (MAD) is the most affordable one-stop option, with an average return flight price of £106.

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 Barcelona (BCN) have the shortest average one-way travel time for one-stop routes: 5h 02m.

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 13m.

How often are flights from London to Porto delayed?

About 22% of weekly flights between London and Porto have experienced delays in the past year, with the average delay time being 117 minutes.

What is the most punctual flight time for London to Porto flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening 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 London to Porto flights?

Over the past year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 21% of flights being delayed.

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

To ensure you get the cheapest price possible for a flight from London to Porto, you should look to book at least 40 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 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 May 2026.

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

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 22 May 2026.
See what other customers who have flown with Vueling,TAP AIR PORTUGAL, andRyanair 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.
Vueling
7.2
Good
1,274 reviews
Check prices

Crew

7.7

Food

6.2

Entertainment

5.9

Overall

7.2

Boarding

7.2

Comfort

6.9

Reviews

1 / 20
10.0
Excellent

Luis Alfonso,Feb 2026

BCN - ALC

In overall good. The crew were very nice as always. I must say it is the tidiest airline when it comes to disembarkation
Vueling
7.2
Good
1,274 reviews
Vueling
7.2
Good
1,274 reviews
Check prices

Crew

7.7

Food

6.2

Entertainment

5.9

Overall

7.2

Boarding

7.2

Comfort

6.9

Reviews

1 / 20
10.0
Excellent

Luis Alfonso,Feb 2026

BCN - ALC

In overall good. The crew were very nice as always. I must say it is the tidiest airline when it comes to disembarkation
TAP AIR PORTUGAL
7.2
Good
2,257 reviews
Vueling
7.2
Good
1,274 reviews
Check prices

Crew

7.7

Food

6.2

Entertainment

5.9

Overall

7.2

Boarding

7.2

Comfort

6.9

Reviews

1 / 20
10.0
Excellent

Luis Alfonso,Feb 2026

BCN - ALC

In overall good. The crew were very nice as always. I must say it is the tidiest airline when it comes to disembarkation
Ryanair
6.9
Okay
5,379 reviews
Vueling
7.2
Good
1,274 reviews
Check prices

Crew

7.7

Food

6.2

Entertainment

5.9

Overall

7.2

Boarding

7.2

Comfort

6.9

Reviews

1 / 20
10.0
Excellent

Luis Alfonso,Feb 2026

BCN - ALC

In overall good. The crew were very nice as always. I must say it is the tidiest airline when it comes to disembarkation
easyJet
6.9
Okay
1,903 reviews
Vueling
7.2
Good
1,274 reviews
Check prices

Crew

7.7

Food

6.2

Entertainment

5.9

Overall

7.2

Boarding

7.2

Comfort

6.9

Reviews

1 / 20
10.0
Excellent

Luis Alfonso,Feb 2026

BCN - ALC

In overall good. The crew were very nice as always. I must say it is the tidiest airline when it comes to disembarkation
British Airways
6.7
Okay
7,995 reviews
Vueling
7.2
Good
1,274 reviews
Check prices

Crew

7.7

Food

6.2

Entertainment

5.9

Overall

7.2

Boarding

7.2

Comfort

6.9

Reviews

1 / 20
10.0
Excellent

Luis Alfonso,Feb 2026

BCN - ALC

In overall good. The crew were very nice as always. I must say it is the tidiest airline when it comes to disembarkation

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 9 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 (£58), and British Airways (£78) offers the cheapest pricing from London to Porto. easyJet is priced at 70% 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 £20. Users have also found prices from £29 and £60 on easyJet and British Airways, respectively.

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

    While some choose either London Luton - 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, January is the cheapest month in which you can book a flight from London to Porto (average of £128). Flying from London to Porto in December is currently the most expensive (average of £273). 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
Santa Maria da Feira
Viseu
Guimarães
Coimbra
Chaves
Vila Nova de Gaia
Aveiro

Browse thousands of different options on Cheapflights for your next trip

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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 22 May 2026.
Ryanair flights from London to Porto
easyJet flights from London to Porto
TAP AIR PORTUGAL flights from London to Porto

Top 9 airlines flying from London to Porto

Discover the top 9 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 22 May 2026.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£47Average£156FlexibilityNo cancel feeOn-time86%
Search easyJet flights
RyanairCheapest£58Average£138FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£78Average£290FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£109Average£246FlexibilityNo cancel feeOn-time77%
Search Iberia flights
TAP AIR PORTUGALCheapest£112Average£192FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
VuelingCheapest£120Average£168FlexibilityNo cancel feeOn-time88%
Search Vueling flights
LufthansaCheapest£133Average£365FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£142Average£245FlexibilityNo cancel feeOn-time75%
Search KLM flights
Brussels AirlinesCheapest£183Average£305FlexibilityNo 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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