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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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — LON
1 Sep — 8 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Porto to London are usually found in January or February, booked 45 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 2 August 2026.

Sat 24/1021:50
OPO
-
STN
Nonstop2h 25m
Multiple Airlines
Sat 31/1021:45
STN
-
OPO
1 stop10h 25m
Multiple Airlines
Deal found 29/7£72
Fri 9/1006:35
OPO
-
LGW
Nonstop2h 25m
easyJet
Mon 12/1006:10
LGW
-
OPO
Nonstop2h 25m
easyJet
Deal found 31/7£72
Wed 9/916:45
OPO
-
LTN
1 stop5h 55m
Multiple Airlines
Tue 15/905:40
LTN
-
OPO
1 stop15h 40m
Multiple Airlines
Deal found 31/7£72
Tue 15/921:30
OPO
-
STN
1 stop12h 25m
Ryanair
Tue 22/906:35
STN
-
OPO
Nonstop2h 25m
Ryanair
Deal found 1/8£73
Thu 1/1006:40
OPO
-
LGW
Nonstop2h 25m
easyJet
Sun 4/1012:35
LGW
-
OPO
Nonstop2h 30m
easyJet
Deal found 29/7£73
Tue 22/922:20
OPO
-
LTN
1 stop11h 15m
Ryanair
Tue 29/917:20
LTN
-
OPO
1 stop15h 50m
Ryanair
Deal found 31/7£73
Wed 9/922:15
OPO
-
STN
1 stop13h 45m
Multiple Airlines
Tue 15/919:30
STN
-
OPO
1 stop14h 55m
Multiple Airlines
Deal found 30/7£73
Mon 12/1006:15
OPO
-
STN
Nonstop2h 25m
Ryanair
Wed 21/1020:35
STN
-
OPO
Nonstop2h 25m
Ryanair
Deal found 29/7£74
Thu 17/906:40
OPO
-
LGW
Nonstop2h 25m
easyJet
Tue 22/920:50
LGW
-
OPO
Nonstop2h 30m
easyJet
Deal found 30/7£74
Thu 3/921:45
OPO
-
STN
1 stop24h 15m
Multiple Airlines
Tue 8/917:40
STN
-
OPO
Nonstop2h 25m
Multiple Airlines
Deal found 1/8£75
Thu 17/906:40
OPO
-
LGW
Nonstop2h 25m
easyJet
Mon 21/906:10
LGW
-
OPO
Nonstop2h 20m
easyJet
Deal found 30/7£75
Wed 14/1009:20
OPO
-
LTN
Nonstop2h 25m
easyJet
Sun 18/1013:00
LTN
-
OPO
Nonstop2h 30m
easyJet
Deal found 29/7£75

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 2 August 2026.

Round-trip from

£72

One-way from

£37

Popular in

August

Cheapest in

January

Average price

£147

Good round-trip deal

£27 or less

Good one-way deal

£45 or less
24/10-31/10
  • 24/10-31/10
  • 1 total stop
  • 12h 50m total
  • Porto to London
Search Deals
Ryanair
  • Ryanair
  • 16/9
  • Nonstop
  • 2h 25m total
  • Porto to London
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£10 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 2 August 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
Fastest return journey

PortoLondon

OPO - STN

OPOSTN

Porto

Fri 18/9

21:30-23:55

Nonstop2h 25m

London Stansted

Sun 20/9

08:45-11:10

Nonstop2h 25m

£72

PortoLondon

OPO - STN

OPOSTN

Porto

Fri 18/9

21:30-23:55

Nonstop2h 25m

London Stansted

Mon 21/9

16:15-23:59

1 stop7h 44m

£73

PortoLondon

OPO - LTN

OPOLTN

Porto

Wed 23/9

09:20-11:45

Nonstop2h 25m

London Luton

Sat 26/9

06:05-08:35

Nonstop2h 30m

£78

PortoLondon

OPO - LTN

OPOLTN

Porto

Sat 21/11

15:25-17:45

Nonstop2h 20m

London Luton

Mon 30/11

12:40-15:10

Nonstop2h 30m

£79

PortoLondon

OPO - LTN

OPOLTN

Porto

Fri 20/11

20:30-22:55

Nonstop2h 25m

London Luton

Mon 23/11

12:40-15:10

Nonstop2h 30m

£80

PortoLondon

OPO - STN

OPOSTN

Porto

Wed 9/9

07:05-09:30

Nonstop2h 25m

London Stansted

Thu 17/9

20:30-22:55

Nonstop2h 25m

£82

PortoLondon

OPO - LTN

OPOLTN

Porto

Sat 26/9

09:10-11:35

Nonstop2h 25m

London Luton

Mon 28/9

07:15-16:35

1 stop9h 20m

£83

PortoLondon

OPO - LGW

OPOLGW

Porto

Wed 9/9

07:00-09:25

Nonstop2h 25m

London Gatwick

Tue 15/9

20:50-23:20

Nonstop2h 30m

£84

PortoLondon

OPO - LGW

OPOLGW

Porto

Fri 25/9

06:35-09:00

Nonstop2h 25m

London Gatwick

Tue 29/9

20:50-23:20

Nonstop2h 30m

£85

PortoLondon

OPO - LGW

OPOLGW

Porto

Thu 24/9

06:40-09:05

Nonstop2h 25m

London Gatwick

Sun 27/9

12:35-15:05

Nonstop2h 30m

£85

Flights are sorted by cheapest return flights first.

Deals found on 31/7

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
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

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 £87). Flying from Porto to London in August is currently the most expensive (average of £153). 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 2 August 2026.

It’s optimal to fly from Porto to London in the evening. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight in the afternoon.

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

Airfare is below average for this route at the moment.
Porto to London flights typically cost between £116 and £186 in October.
The cheapest return price found within the last 5 days was £72 on Multiple Airlines (24 Oct–31 Oct).

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 121 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 Thursday 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 18% of flights being delayed.

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

To ensure you get the cheapest price possible for a flight from Porto to London, you should look to book at least 46 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.

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 2 August 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
7.2
Good
2,353 reviews
Check prices

Comfort

7.1

Food

6.3

Overall

7.2

Crew

7.8

Boarding

7.0

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

LIS - ORD

The check in process at the Lisbon Airport was terrible. The TAP staff was incompetent and directed us incorrectly.
TAP AIR PORTUGAL
7.2
Good
2,353 reviews
TAP AIR PORTUGAL
7.2
Good
2,353 reviews
Check prices

Comfort

7.1

Food

6.3

Overall

7.2

Crew

7.8

Boarding

7.0

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

LIS - ORD

The check in process at the Lisbon Airport was terrible. The TAP staff was incompetent and directed us incorrectly.
Ryanair
6.9
Okay
5,454 reviews
TAP AIR PORTUGAL
7.2
Good
2,353 reviews
Check prices

Comfort

7.1

Food

6.3

Overall

7.2

Crew

7.8

Boarding

7.0

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

LIS - ORD

The check in process at the Lisbon Airport was terrible. The TAP staff was incompetent and directed us incorrectly.
easyJet
6.9
Okay
1,920 reviews
TAP AIR PORTUGAL
7.2
Good
2,353 reviews
Check prices

Comfort

7.1

Food

6.3

Overall

7.2

Crew

7.8

Boarding

7.0

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

LIS - ORD

The check in process at the Lisbon Airport was terrible. The TAP staff was incompetent and directed us incorrectly.
British Airways
6.7
Okay
8,135 reviews
TAP AIR PORTUGAL
7.2
Good
2,353 reviews
Check prices

Comfort

7.1

Food

6.3

Overall

7.2

Crew

7.8

Boarding

7.0

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

LIS - ORD

The check in process at the Lisbon Airport was terrible. The TAP staff was incompetent and directed us incorrectly.

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 3 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 easyJet, Ryanair, or Vueling 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 £57 on this airline. Additional options worth looking into are easyJet and British Airways, starting at £58 and £94 round-trip. You may be able to fly from Porto to London for 48% less than the average price by searching for these airlines.

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

    £33 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 £35 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, January is the cheapest month in which you can book a flight from Porto to London (average of £87). Flying from Porto to London in August is currently the most expensive (average of £153). 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
Hounslow
Milton Keynes
Luton
Gatwick
Wembley
Slough
Ilford
Hayes
Croydon
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Brentford
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Watford
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Enfield
Kingston upon Thames
Southall
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Dover
Romford

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 2 August 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£57Average£126FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£58Average£133FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£94Average£126FlexibilityNo cancel feeOn-time70%
Search British Airways flights
TAP AIR PORTUGALCheapest£95Average£177FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL 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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