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Cheap flights from Porto to London from £43

OPO — LON
26 Oct — 2 Nov1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Porto to London are usually found in January or February, booked 54 days in advance, depart on a Wednesday or Thursday 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

Sat 7/1122:05 -
1 stop9h 50m
Tue 10/1109:00 -
Nonstop2h 25m
Deal found 25/9£61
Tue 27/1006:10 -
Nonstop2h 25m
Fri 30/1011:10 -
Nonstop2h 25m
Deal found 23/9£62
Wed 14/1017:45 -
Nonstop2h 25m
Sun 18/1017:50 -
Nonstop2h 25m
Deal found 22/9£63
Thu 12/1111:35 -
Nonstop2h 25m
Mon 16/1112:40 -
Nonstop2h 30m
Deal found 25/9£63
Fri 6/1106:05 -
Nonstop2h 25m
Wed 11/1113:30 -
1 stop6h 40m
Deal found 24/9£63
Tue 15/1219:15 -
Nonstop2h 20m
Fri 1/109:35 -
Nonstop2h 30m
Deal found 22/9£63
Fri 13/1120:30 -
Nonstop2h 25m
Mon 16/1112:40 -
Nonstop2h 30m
Deal found 22/9£63
Wed 2/1217:55 -
Nonstop2h 25m
Sun 6/1210:35 -
Nonstop2h 25m
Deal found 22/9£64
Wed 4/1109:15 -
Nonstop2h 25m
Thu 12/1118:05 -
Nonstop2h 25m
Deal found 24/9£65
Fri 6/1119:55 -
Nonstop2h 20m
Mon 9/1107:00 -
Nonstop2h 30m
Deal found 25/9£65
Fri 6/1120:30 -
Nonstop2h 25m
Mon 9/1112:40 -
Nonstop2h 30m
Deal found 25/9£65
Wed 4/1109:15 -
Nonstop2h 25m
Sun 8/1114:35 -
Nonstop2h 25m
Deal found 24/9£66

Find flight deals from Porto to London

Round-trip from

£61

One-way from

£43

Popular in

August

Cheapest in

January

Average price

£91

Good round-trip deal

£73 or less

Good one-way deal

£64 or less
Ryanair
  • Ryanair
  • 3/12-6/12
  • Nonstop
  • 4h 50m total
  • Porto to London
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Ryanair
  • Ryanair
  • 14/10-31/12
  • 1 total stop
  • 17h 00m total
  • Porto to London
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£9 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Price to beat on a round-trip flight from Porto to London (LON).
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Price to beat on a one-way flight from Porto to London (LON).
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Cheapflights Fare Finder

 
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 Porto - LTN London Luton

OPOLTN

Porto

Mon 30/11

15:45-18:05

Nonstop2h 20m

London Luton

Wed 31/12

00:00-00:00

Nonstop0h 00m

£44

PortoLondon

OPO Porto - LTN London Luton

OPOLTN

Porto

Tue 13/10

18:35-08:00

1 stop13h 25m

London Luton

Wed 31/12

00:00-00:00

Nonstop0h 00m

£44

PortoLondon

OPO Porto - STN London Stansted

OPOSTN

Porto

Thu 29/10

06:10-08:35

Nonstop2h 25m

London Stansted

Wed 31/12

00:00-00:00

Nonstop0h 00m

£45

PortoLondon

OPO Porto - LTN London Luton

OPOLTN

Porto

Mon 9/11

06:20-17:10

1 stop10h 50m

London Luton

Wed 31/12

00:00-00:00

Nonstop0h 00m

£45

PortoLondon

OPO Porto - LTN London Luton

OPOLTN

Porto

Wed 7/10

09:20-11:45

Nonstop2h 25m

London Luton

Wed 31/12

00:00-00:00

Nonstop0h 00m

£46

PortoLondon

OPO Porto - STN London Stansted

OPOSTN

Porto

Sun 25/10

07:45-10:10

Nonstop2h 25m

London Stansted

Wed 31/12

00:00-00:00

Nonstop0h 00m

£47

PortoLondon

OPO Porto - LGW London Gatwick

OPOLGW

Porto

Thu 19/11

12:35-15:00

Nonstop2h 25m

London Gatwick

Wed 31/12

00:00-00:00

Nonstop0h 00m

£47

PortoLondon

OPO Porto - LGW London Gatwick

OPOLGW

Porto

Thu 24/12

18:45-21:05

Nonstop2h 20m

London Gatwick

Wed 31/12

00:00-00:00

Nonstop0h 00m

£48

PortoLondon

OPO Porto - LGW London Gatwick

OPOLGW

Porto

Sat 24/10

06:55-09:20

Nonstop2h 25m

London Gatwick

Wed 31/12

00:00-00:00

Nonstop0h 00m

£48

PortoLondon

OPO Porto - LGW London Gatwick

OPOLGW

Porto

Wed 21/10

12:25-23:55

1 stop11h 30m

London Gatwick

Wed 31/12

00:00-00:00

Nonstop0h 00m

£49

Flights are sorted by cheapest return flights first.

Deals found on 26/9

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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 £91). Flying from Porto to London in August is currently the most expensive (average of £155). 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?

It’s optimal to fly from Porto to London in the evening. By choosing this option you can save up to 22% 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 £74 and £147 in November.
The cheapest return price found within the last 5 days was £61 on Ryanair (7 Nov–10 Nov).

How often are flights from Porto to London delayed?

About 20% of weekly flights between Porto and London have experienced delays in the past year, with the average delay time being 124 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 Monday 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, easyJet have had the lowest number of delays on this route, with just 17% 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

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
2,383 reviews
Check prices

Crew

7.8

Boarding

7.0

Comfort

7.2

Entertainment

6.4

Overall

7.2

Food

6.3

Reviews

1 / 20
10.0
Excellent

Dolores,Sept 2026

LIS - EWR

The staff in First Class were First Class! Very attentive and helpful
TAP AIR PORTUGAL
7.2
Good
2,383 reviews
TAP AIR PORTUGAL
7.2
Good
2,383 reviews
Check prices

Crew

7.8

Boarding

7.0

Comfort

7.2

Entertainment

6.4

Overall

7.2

Food

6.3

Reviews

1 / 20
10.0
Excellent

Dolores,Sept 2026

LIS - EWR

The staff in First Class were First Class! Very attentive and helpful
Ryanair
6.9
Okay
5,456 reviews
TAP AIR PORTUGAL
7.2
Good
2,383 reviews
Check prices

Crew

7.8

Boarding

7.0

Comfort

7.2

Entertainment

6.4

Overall

7.2

Food

6.3

Reviews

1 / 20
10.0
Excellent

Dolores,Sept 2026

LIS - EWR

The staff in First Class were First Class! Very attentive and helpful
easyJet
6.9
Okay
1,929 reviews
TAP AIR PORTUGAL
7.2
Good
2,383 reviews
Check prices

Crew

7.8

Boarding

7.0

Comfort

7.2

Entertainment

6.4

Overall

7.2

Food

6.3

Reviews

1 / 20
10.0
Excellent

Dolores,Sept 2026

LIS - EWR

The staff in First Class were First Class! Very attentive and helpful
British Airways
6.7
Okay
8,235 reviews
TAP AIR PORTUGAL
7.2
Good
2,383 reviews
Check prices

Crew

7.8

Boarding

7.0

Comfort

7.2

Entertainment

6.4

Overall

7.2

Food

6.3

Reviews

1 / 20
10.0
Excellent

Dolores,Sept 2026

LIS - EWR

The staff in First Class were First Class! Very attentive and helpful

Related info for your journey

  • 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 4 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 20m. Fly via Ryanair, easyJet, 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 £58 on this airline. Additional options worth looking into are easyJet and TAP AIR PORTUGAL, starting at £66 and £97 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?

    £34 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 TAP AIR PORTUGAL, with prices starting from £36 and £59, respectively.

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

    Most travelers choose Porto - London Gatwick, Porto - London Stansted or Porto - London Heathrow 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 £91). Flying from Porto to London in August is currently the most expensive (average of £155). 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?

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Dagenham
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Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Porto to London

AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£58Average£123FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£66Average£139FlexibilityNo cancel feeOn-time86%
Search easyJet flights
TAP AIR PORTUGALCheapest£97Average£181FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
British AirwaysCheapest£118Average£161FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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