What is the cheapest airline that flies from Porto to London?

easyJet, Ryanair, and British Airways are the most popular carriers operating from Porto to London

How many flights depart from Porto to London on average per week?

31 flights are operational weekly from Porto to London as of September 2025. The most popular departure day for this route is Thu, with 32% of flights per week taking off on this day.

How many flights depart from Porto to London on average per day?

As of September 2025, 4 flights take off from Porto and land in London each day. The most common flight departure time for this route is 18:00, with 50% of daily flights taking off at midday.

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.

$89 Cheap Flights from Porto to London in 2025

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Find the cheapest flights from Porto to London

Round-trip

One-way

Last minute

Direct

Cheap return flights

16:20 - 18:45OPO-LTN

2h 25mdirect

13:15 - 15:40LTN-OPO

2h 25mdirect

$110easyJet

Find Deal

Sun, 18 Jan - Sun, 25 Jan

08:45 - 11:10OPO-STN

2h 25mdirect

15:55 - 18:20STN-OPO

2h 25mdirect

$113Ryanair

Find Deal

Mon, 17 Nov - Thu, 20 Nov

16:40 - 19:00OPO-LGW

2h 20mdirect

09:30 - 12:00LGW-OPO

2h 30mdirect

$113easyJet

Find Deal

Wed, 24 Dec - Thu, 1 Jan

20:10 - 09:00OPO-LGW

12h 50m1 stop

17:25 - 06:50LGW-OPO

13h 25m1 stop

$199Air Europa

Find Deal

Tue, 11 Nov - Sat, 15 Nov

21:25 - 08:15OPO-STN

10h 50m1 stop

20:10 - 06:50STN-OPO

10h 40m1 stop

$226

Find Deal

Sat, 25 Oct - Sat, 1 Nov

16:10 - 20:50OPO-LHR

4h 40m1 stop

08:40 - 15:25LHR-OPO

6h 45m1 stop

$306KLM

Find Deal

Fri, 14 Nov - Sun, 16 Nov

09:25 - 17:00OPO-LHR

7h 35m1 stop

06:30 - 15:25LHR-OPO

8h 55m1 stop

$308KLM

Find Deal

Sat, 15 Nov - Sat, 22 Nov

15:45 - 22:00OPO-LHR

6h 15m1 stop

19:55 - 08:00LHR-OPO

12h 05m1 stop

$311TAP AIR PORTUGAL

Find Deal

Sat, 25 Oct - Sat, 1 Nov

09:50 - 19:45OPO-STN

9h 55m2 stops

20:10 - 06:50STN-OPO

10h 40m1 stop

$312

Find Deal

Sat, 25 Oct - Sat, 1 Nov

16:00 - 21:35OPO-LHR

5h 35m1 stop

18:30 - 00:30LHR-OPO

6h 00m1 stop

$320TAP AIR PORTUGAL

Find Deal

Tue, 11 Nov - Sat, 15 Nov

TAP AIR PORTUGAL flights from Porto to London

Our best TAP AIR PORTUGAL deals on Porto to London flight tickets

TAP AIR PORTUGAL

25 Oct

OPO15:45Porto

6h 15m

1 stop

LHR22:00London Heathrow

1 Nov

LHR19:55London Heathrow

12h 05m

1 stop

OPO08:00Porto

$311

Find similar

TAP AIR PORTUGAL

11 Nov

OPO16:00Porto

5h 35m

1 stop

LHR21:35London Heathrow

15 Nov

LHR18:30London Heathrow

6h 00m

1 stop

OPO00:30Porto

$320

Find similar

TAP AIR PORTUGAL

11 Nov

OPO16:00Porto

5h 35m

1 stop

LHR21:35London Heathrow

15 Nov

LHR12:25London Heathrow

5h 35m

1 stop

OPO18:00Porto

$321

Find similar

KLM flights from Porto to London

Our best KLM deals on Porto to London flight tickets

KLM

14 Nov

OPO16:10Porto

4h 40m

1 stop

LHR20:50London Heathrow

16 Nov

LHR08:40London Heathrow

6h 45m

1 stop

OPO15:25Porto

$306

Find similar

KLM

15 Nov

OPO09:25Porto

7h 35m

1 stop

LHR17:00London Heathrow

22 Nov

LHR06:30London Heathrow

8h 55m

1 stop

OPO15:25Porto

$308

Find similar

KLM

11 Nov

OPO09:55Porto

6h 10m

1 stop

LHR16:05London Heathrow

20 Nov

LHR10:00London Heathrow

5h 25m

1 stop

OPO15:25Porto

$351

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortoLondon

OPO - LTN

OPOLTN

Porto

Sun 18/1

16:20-18:45

Nonstop2h 25m

London Luton

Sun 25/1

13:15-15:40

Nonstop2h 25m

$110

PortoLondon

OPO - STN

OPOSTN

Porto

Mon 17/11

08:45-11:10

Nonstop2h 25m

London Stansted

Thu 20/11

15:55-18:20

Nonstop2h 25m

$113

PortoLondon

OPO - LGW

OPOLGW

Porto

Wed 24/12

16:40-19:00

Nonstop2h 20m

London Gatwick

Thu 1/1

09:30-12:00

Nonstop2h 30m

$113

PortoLondon

OPO - LGW

OPOLGW

Porto

Tue 11/11

20:10-09:00

1 stop12h 50m

London Gatwick

Sat 15/11

17:25-06:50

1 stop13h 25m

$199

PortoLondon

OPO - STN

OPOSTN

Porto

Sat 25/10

21:25-08:15

1 stop10h 50m

London Stansted

Sat 1/11

20:10-06:50

1 stop10h 40m

$226

PortoLondon

OPO - LHR

OPOLHR

Porto

Fri 14/11

16:10-20:50

1 stop4h 40m

London Heathrow

Sun 16/11

08:40-15:25

1 stop6h 45m

$306

PortoLondon

OPO - LHR

OPOLHR

Porto

Sat 15/11

09:25-17:00

1 stop7h 35m

London Heathrow

Sat 22/11

06:30-15:25

1 stop8h 55m

$308

PortoLondon

OPO - LHR

OPOLHR

Porto

Sat 25/10

15:45-22:00

1 stop6h 15m

London Heathrow

Sat 1/11

19:55-08:00

1 stop12h 05m

$311

PortoLondon

OPO - STN

OPOSTN

Porto

Sat 25/10

09:50-19:45

2 stops9h 55m

London Stansted

Sat 1/11

20:10-06:50

1 stop10h 40m

$312

PortoLondon

OPO - LHR

OPOLHR

Porto

Tue 11/11

16:00-21:35

1 stop5h 35m

London Heathrow

Sat 15/11

18:30-00:30

1 stop6h 00m

$320

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to London?

If you aren’t able to travel during the month of February, then book flights to London from Porto during March instead. Flights to London in March, while not as cheap as those in February, still average around $133.

What is the cheapest Porto to London flight route?

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

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Porto when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $380 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Porto for as low as $244 on momondo.

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 September 2025, prices for Porto to London flights are approximately 36% more expensive 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

Fastest flight time	2h 05m
Direct flights	Every day
Airports in London	2 airports

The fastest flight from Porto to London takes 2h 05m

Direct flights go from Porto to London every day.

There are 2 airports near London: London Stansted (STN), London Gatwick (LGW)

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How far is Porto to London by plane?
There are 1319.4 km between Porto and London. 2h 15m 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?
momondo data reveals that the most frequently booked plane model on the route from Porto to London is Airbus A320-100/200, representing 43.96% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 17.68%, Boeing 737 MAX 8 at 14.40%, and Airbus A319 at 9.59%.

Gatwick

Hounslow

Brentford

Wembley

Dover

Ipswich

Abingdon

Richmond

Eastbourne

Slough

Chichester

Canterbury

Deal

Kingston upon Thames

Brentwood

Milton Keynes

Guildford

Sutton

Maidstone

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.