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Cheap flights from Porto to London 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — LON
10 May — 17 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Porto to London are usually found in January or February, booked 36 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap flight deals from Porto to London

Enter your travel dates to find the best prices.

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 10 April 2026.

Sat 25/421:50
OPO
-
STN
Nonstop2h 25m
Ryanair
Wed 29/420:35
STN
-
OPO
Nonstop2h 25m
Ryanair
Deal found 5/4£64
Fri 8/521:30
OPO
-
STN
Nonstop2h 25m
Ryanair
Sun 10/518:20
STN
-
OPO
1 stop14h 55m
Ryanair
Deal found 6/4£65
Wed 22/407:05
OPO
-
STN
Nonstop2h 25m
Ryanair
Wed 22/415:55
STN
-
OPO
1 stop5h 55m
Ryanair
Deal found 7/4£66
Sat 2/517:35
OPO
-
STN
1 stop6h 00m
Ryanair
Tue 5/521:15
STN
-
OPO
Nonstop2h 25m
Ryanair
Deal found 6/4£66
Thu 28/521:45
OPO
-
STN
1 stop10h 10m
Multiple Airlines
Mon 1/618:00
STN
-
OPO
Nonstop2h 25m
Multiple Airlines
Deal found 6/4£67
Thu 11/606:40
OPO
-
LGW
Nonstop2h 25m
easyJet
Tue 16/620:50
LGW
-
OPO
Nonstop2h 30m
easyJet
Deal found 9/4£67
Sat 23/507:05
OPO
-
LTN
1 stop5h 05m
Multiple Airlines
Sat 30/506:05
LTN
-
OPO
1 stop11h 20m
Multiple Airlines
Deal found 8/4£69
Sat 25/421:50
OPO
-
STN
Nonstop2h 25m
Multiple Airlines
Tue 28/408:05
STN
-
OPO
1 stop6h 30m
Multiple Airlines
Deal found 7/4£69
Fri 8/521:30
OPO
-
STN
Nonstop2h 25m
Ryanair
Tue 12/509:20
STN
-
OPO
1 stop5h 05m
Ryanair
Deal found 6/4£71
Tue 9/606:15
OPO
-
LGW
Nonstop2h 25m
easyJet
Tue 16/620:50
LGW
-
OPO
Nonstop2h 30m
easyJet
Deal found 9/4£71
Fri 1/521:30
OPO
-
STN
Nonstop2h 25m
Multiple Airlines
Tue 5/508:10
STN
-
OPO
1 stop13h 50m
Multiple Airlines
Deal found 6/4£72
Fri 24/421:30
OPO
-
STN
Nonstop2h 25m
Ryanair
Mon 27/420:10
STN
-
OPO
1 stop27h 45m
Ryanair
Deal found 5/4£72

Find 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 10 April 2026.

Round-trip from

£64

One-way from

£37

Popular in

August

Cheapest in

January

Average price

£129

Good round-trip deal

£62 or less

Good one-way deal

£45 or less
Ryanair
  • Ryanair
  • 25/4-29/4
  • Nonstop
  • 4h 50m total
  • Porto to London
Search Deals
Ryanair
  • Ryanair
  • 6/5
  • 1 total stop
  • 7h 30m total
  • Porto to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£18 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Porto to London (LON).
Search Deals
Price to beat on a one-way flight from Porto to London (LON).
Search Deals

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortoLondon

OPO - STN

OPOSTN

Porto

Mon 25/5

21:05-08:55

1 stop11h 50m

London Stansted

Mon 1/6

18:00-20:25

Nonstop2h 25m

£67

PortoLondon

OPO - LGW

OPOLGW

Porto

Fri 8/5

06:35-09:00

Nonstop2h 25m

London Gatwick

Mon 11/5

06:10-08:35

Nonstop2h 25m

£92

PortoLondon

OPO - LTN

OPOLTN

Porto

Sat 23/5

09:10-11:35

Nonstop2h 25m

London Luton

Sat 30/5

06:05-08:35

Nonstop2h 30m

£95

PortoLondon

OPO - LGW

OPOLGW

Porto

Wed 17/6

07:00-09:25

Nonstop2h 25m

London Gatwick

Sat 20/6

05:20-07:45

Nonstop2h 25m

£102

PortoLondon

OPO - LTN

OPOLTN

Porto

Fri 24/4

09:10-11:35

Nonstop2h 25m

London Luton

Mon 27/4

09:35-12:00

Nonstop2h 25m

£106

PortoLondon

OPO - LGW

OPOLGW

Porto

Sat 25/4

06:55-09:20

Nonstop2h 25m

London Gatwick

Tue 28/4

20:50-23:20

Nonstop2h 30m

£107

PortoLondon

OPO - SEN

OPOSEN

Porto

Sat 25/4

13:10-21:45

1 stop8h 35m

London Southend

Sun 26/4

20:05-09:15

1 stop13h 10m

£109

PortoLondon

OPO - LGW

OPOLGW

Porto

Mon 25/5

06:15-14:10

1 stop7h 55m

London Gatwick

Mon 1/6

20:55-23:35

Nonstop2h 40m

£114

PortoLondon

OPO - SEN

OPOSEN

Porto

Mon 4/5

22:40-11:20

1 stop12h 40m

London Southend

Mon 11/5

20:05-07:30

1 stop11h 25m

£115

PortoLondon

OPO - SEN

OPOSEN

Porto

Fri 24/4

09:50-16:25

1 stop6h 35m

London Southend

Sun 26/4

20:05-09:15

1 stop13h 10m

£117

Flights are sorted by cheapest return flights first.

Deals found on 6/4

Showing 1-10 of 60 resultsSorted by cheapest first
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3
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6

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 3 April 2026.

To ensure you get the cheapest price possible for a flight from Porto to London, you should look to book at least 36 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, July is the cheapest month in which you can book a flight from Porto to London (average of £33). Flying from Porto to London in June is currently the most expensive (average of £70). 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 10 April 2026.

It’s optimal to fly from Porto to London in the evening. By choosing this option you can save up to 29% 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 4 April 2026.

Travellers seeking maximum savings on their Porto to London flight should consider departing on Sunday at midday 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.

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 10 April 2026.

The most flights from OPO to LON are scheduled on a Friday (15 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 Porto to London?

How often are flights from Porto to London delayed?

About 21% of weekly flights between Porto and London have experienced delays in the past year, with the average delay time being 117 minutes.

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

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

Over the past year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 16% of flights being delayed.

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 10 April 2026.
Check out reviews from past customers who have flown with TAP AIR PORTUGAL,Ryanair, andeasyJet 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.
TAP AIR PORTUGAL
7.1
Good
2,196 reviews
Check prices

Overall

7.1

Crew

7.8

Food

6.2

Entertainment

6.3

Boarding

7.0

Comfort

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LIS - EWR

Both flights returning to newirk airport was delayed by over a hour with minimum early notification
TAP AIR PORTUGAL
7.1
Good
2,196 reviews
TAP AIR PORTUGAL
7.1
Good
2,196 reviews
Check prices

Overall

7.1

Crew

7.8

Food

6.2

Entertainment

6.3

Boarding

7.0

Comfort

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LIS - EWR

Both flights returning to newirk airport was delayed by over a hour with minimum early notification
Ryanair
6.9
Okay
5,323 reviews
TAP AIR PORTUGAL
7.1
Good
2,196 reviews
Check prices

Overall

7.1

Crew

7.8

Food

6.2

Entertainment

6.3

Boarding

7.0

Comfort

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LIS - EWR

Both flights returning to newirk airport was delayed by over a hour with minimum early notification
easyJet
6.9
Okay
1,888 reviews
TAP AIR PORTUGAL
7.1
Good
2,196 reviews
Check prices

Overall

7.1

Crew

7.8

Food

6.2

Entertainment

6.3

Boarding

7.0

Comfort

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LIS - EWR

Both flights returning to newirk airport was delayed by over a hour with minimum early notification
British Airways
6.7
Okay
7,867 reviews
TAP AIR PORTUGAL
7.1
Good
2,196 reviews
Check prices

Overall

7.1

Crew

7.8

Food

6.2

Entertainment

6.3

Boarding

7.0

Comfort

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LIS - EWR

Both flights returning to newirk airport was delayed by over a hour with minimum early notification

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.

  • How long is the flight from Porto to London?

    There are many flights that can get you from Porto to London in 2h 25m. Fly via Ryanair, easyJet, or KLM to get the fastest option. The distance from Porto to London is about 794 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 £52 on this airline. Additional options worth looking into are easyJet and TAP AIR PORTUGAL, starting at £58 and £96 round-trip. You may be able to fly from Porto to London for 54% less than the average price by searching for these airlines.

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

    £31 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 British Airways, with prices starting from £34 and £44, respectively.

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

    Most travelers choose Porto - London Gatwick, Porto - London Heathrow or Porto - London Stansted when deciding on the best route 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, July is the cheapest month in which you can book a flight from Porto to London (average of £33). Flying from Porto to London in June is currently the most expensive (average of £70). 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 London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Hounslow
Gatwick
Luton
Ilford
Slough
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
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Ipswich
Southend-on-Sea
Guildford
Bishop's Stortford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 10 April 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£52Average£128FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£58Average£135FlexibilityNo cancel feeOn-time86%
Search easyJet flights
TAP AIR PORTUGALCheapest£96Average£180FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
British AirwaysCheapest£117Average£146FlexibilityNo cancel feeOn-time70%
Search British Airways 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 Porto to London?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to London from Porto today with Cheapflights!

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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