Cheap flights from Porto to London from $81

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Porto to London

Cheap return flights

Enter your travel dates to find the best prices.
Ryanair Logo
17:45 - 20:10OPO  Porto-STN London Stansted
2h 25mdirect
Ryanair Logo
10:35 - 13:00STN  London Stansted-OPO Porto
2h 25mdirect
$101Ryanair
Fri, 29 Jan - Sun, 31 Jan
Ryanair Logo
17:45 - 20:10OPO  Porto-STN London Stansted
2h 25mdirect
Ryanair Logo
10:35 - 13:00STN  London Stansted-OPO Porto
2h 25mdirect
$102Ryanair
Fri, 29 Jan - Sun, 31 Jan
easyJet Logo
20:30 - 22:55OPO  Porto-LTN London Luton
2h 25mdirect
easyJet Logo
16:50 - 19:20LTN  London Luton-OPO Porto
2h 30mdirect
$104easyJet
Fri, 22 Jan - Sun, 24 Jan
Ryanair Logo
16:00 - 18:25OPO  Porto-STN London Stansted
2h 25mdirect
Ryanair Logo
19:35 - 22:00STN  London Stansted-OPO Porto
2h 25mdirect
$104Ryanair
Sat, 14 Nov - Mon, 16 Nov
Ryanair Logo
16:00 - 18:25OPO  Porto-STN London Stansted
2h 25mdirect
Ryanair Logo
19:35 - 22:00STN  London Stansted-OPO Porto
2h 25mdirect
$105Ryanair
Sat, 14 Nov - Mon, 16 Nov
Ryanair Logo
22:25 - 00:50OPO  Porto-STN London Stansted
2h 25mdirect
Ryanair Logo
11:10 - 13:35STN  London Stansted-OPO Porto
2h 25mdirect
$107Ryanair
Mon, 30 Nov - Fri, 4 Dec
easyJet Logo
20:00 - 22:25OPO  Porto-LTN London Luton
2h 25mdirect
easyJet Logo
20:20 - 22:50LTN  London Luton-OPO Porto
2h 30mdirect
$108easyJet
Sun, 20 Dec - Wed, 6 Jan
easyJet Logo
17:55 - 20:15OPO  Porto-LGW London Gatwick
2h 20mdirect
easyJet Logo
14:10 - 16:35LGW  London Gatwick-OPO Porto
2h 25mdirect
$108easyJet
Wed, 25 Nov - Fri, 27 Nov
Ryanair Logo
20:55 - 23:20OPO  Porto-STN London Stansted
2h 25mdirect
Ryanair Logo
17:20 - 19:45STN  London Stansted-OPO Porto
2h 25mdirect
$108Ryanair
Thu, 12 Nov - Mon, 16 Nov
easyJet Logo
20:15 - 22:35OPO  Porto-LGW London Gatwick
2h 20mdirect
easyJet Logo
09:30 - 12:00LGW  London Gatwick-OPO Porto
2h 30mdirect
$109easyJet
Mon, 21 Dec - Thu, 31 Dec

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KLM flights from Porto to London

Our best KLM deals on Porto to London flight tickets
KLM
3 Dec
OPO11:15Porto
4h 50m
1 stop
LHR16:05London Heathrow
6 Dec
LHR06:30London Heathrow
8h 55m
1 stop
OPO15:25Porto
$280
KLM
3 Dec
OPO05:00Porto
5h 45m
1 stop
LHR10:45London Heathrow
6 Dec
LHR06:30London Heathrow
8h 55m
1 stop
OPO15:25Porto
$281
KLM
29 Jan
OPO11:15Porto
8h 00m
1 stop
LHR19:15London Heathrow
31 Jan
LHR17:05London Heathrow
5h 25m
1 stop
OPO22:30Porto
$286

TAP AIR PORTUGAL flights from Porto to London

Our best TAP AIR PORTUGAL deals on Porto to London flight tickets
TAP AIR PORTUGAL
18 Nov
OPO20:00Porto
15h 25m
1 stop
LHR11:25London Heathrow
20 Nov
LHR13:40London Heathrow
8h 20m
1 stop
OPO22:00Porto
$315
TAP AIR PORTUGAL
18 Nov
OPO20:00Porto
15h 25m
1 stop
LHR11:25London Heathrow
20 Nov
LHR13:40London Heathrow
8h 20m
1 stop
OPO22:00Porto
$317
TAP AIR PORTUGAL
4 Feb
OPO08:30Porto
7h 00m
1 stop
LHR15:30London Heathrow
10 Feb
LHR06:00London Heathrow
12h 00m
1 stop
OPO18:00Porto
$318

momondo 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

PortoLondon

OPO Porto - STN London Stansted

OPOSTN

Porto

Fri 29/1

17:45-20:10

Nonstop2h 25m

London Stansted

Sun 31/1

10:35-13:00

Nonstop2h 25m

$101

PortoLondon

OPO Porto - STN London Stansted

OPOSTN

Porto

Fri 29/1

17:45-20:10

Nonstop2h 25m

London Stansted

Sun 31/1

10:35-13:00

Nonstop2h 25m

$102

PortoLondon

OPO Porto - LTN London Luton

OPOLTN

Porto

Fri 22/1

20:30-22:55

Nonstop2h 25m

London Luton

Sun 24/1

16:50-19:20

Nonstop2h 30m

$104

PortoLondon

OPO Porto - STN London Stansted

OPOSTN

Porto

Sat 14/11

16:00-18:25

Nonstop2h 25m

London Stansted

Mon 16/11

19:35-22:00

Nonstop2h 25m

$104

PortoLondon

OPO Porto - STN London Stansted

OPOSTN

Porto

Sat 14/11

16:00-18:25

Nonstop2h 25m

London Stansted

Mon 16/11

19:35-22:00

Nonstop2h 25m

$105

PortoLondon

OPO Porto - STN London Stansted

OPOSTN

Porto

Mon 30/11

22:25-00:50

Nonstop2h 25m

London Stansted

Fri 4/12

11:10-13:35

Nonstop2h 25m

$107

PortoLondon

OPO Porto - LTN London Luton

OPOLTN

Porto

Sun 20/12

20:00-22:25

Nonstop2h 25m

London Luton

Wed 6/1

20:20-22:50

Nonstop2h 30m

$108
Fastest return journey

PortoLondon

OPO Porto - LGW London Gatwick

OPOLGW

Porto

Wed 25/11

17:55-20:15

Nonstop2h 20m

London Gatwick

Fri 27/11

14:10-16:35

Nonstop2h 25m

$108

PortoLondon

OPO Porto - STN London Stansted

OPOSTN

Porto

Thu 12/11

20:55-23:20

Nonstop2h 25m

London Stansted

Mon 16/11

17:20-19:45

Nonstop2h 25m

$108

PortoLondon

OPO Porto - LGW London Gatwick

OPOLGW

Porto

Mon 21/12

20:15-22:35

Nonstop2h 20m

London Gatwick

Thu 31/12

09:30-12:00

Nonstop2h 30m

$109

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Porto to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Porto and London?

Prices are currently low for flights on this route.

Typical prices usually range from $124 to $261.
The lowest price recently found on this route was $101.

What is the cheapest month to fly to London?

If you aren’t able to travel during the month of January, then book flights to London from Porto during November instead. Flights to London in November, while not as cheap as those in January, still average around $178.

What is the cheapest Porto to London flight route?

Fly from Porto to London Gatwick for the best Porto - London flight prices

What cabin class options are available on Porto to London flights?

There are 2 cabin classes available to choose from on Porto to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Porto to London flights?

No. A direct flight is the cheapest option for a flight between Porto to London.

How have Porto to London flight prices changed over time?

As of October 2026, prices for Porto to London flights are approximately 32% cheaper when compared to flights at the same time last year.

When to book flights from Porto to London

Are you open to changing your travel dates? Check out the ideal times to fly from Porto to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Porto to London (OPO to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Porto to London

Best price found

$81

Fastest flight time

2h 20m

Direct flights

Every day

Airports in London

6 airports
The best one-way flight to London from Porto in the past 72 hours is $81. The best return flight deal from Porto to London found on momondo in the last 72 hours is $101.
The fastest flight from Porto to London takes 2h 20m
Direct flights go from Porto to London every day.
There are 6 airports in London. From Porto there are direct flights to London Gatwick (LGW).

Frequently asked questions about flying from Porto to London

  • How far is Porto to London by plane?

    There are 1319.4 km between Porto and London. 2h 20m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Porto Airport to London?

    Prices for flights from Porto Airport to London refresh daily.

  • How old do you have to be to fly from Porto Airport to London?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Porto Airport to London.

  • What documentation or ID do you need to fly to London?

    The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Porto to London?

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Deal
Milton Keynes
Brentford
Ipswich
Marlow
Chichester
Ilford
Gatwick
Hounslow
Wembley
Dover
Ashford
Banbury
Canterbury
Eastbourne
Kingston upon Thames
Slough
Ascot
Stansted
Watford

Why use momondo?

Why should I use momondo to find a flight deal from Porto to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Porto to London for you.

Can I find flights from Porto to London with flexible booking policies on momondo?

All flight searches from Porto to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Porto to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Porto.

I’m not ready to book a flight from Porto to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Porto to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Sun 29/11
Sun 6/12

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