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Cheap flights from Porto to London from $57

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 20/3. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — LON
16 Feb — 23 Feb1
1 adult

Cheap 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 11 February 2025.

Round-trip from

$72

One-way from

$57

Popular in

July

Cheapest in

February

Average price

$139

Good one-way deal

$143 or less
Ryanair
  • Ryanair
  • 28/3-31/3
  • Nonstop
  • 4h 45m total
  • Porto to London
easyJet
  • easyJet
  • 20/3
  • Nonstop
  • 2h 20m total
  • Porto to London
Highest demand for flights based on searches. 19% potential increase in price ($86 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average return price).
Average for round-trip flights in February 2025
Price to beat on a one-way flight from Porto to London (LON).

Find flight deals from Porto to London

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 11 February 2025.

Fri 28/321:25OPO - STN
Nonstop2h 25mRyanair
Mon 31/306:30STN - OPO
Nonstop2h 20mRyanair
Deal found 10/2$72
Sat 15/309:15OPO - LTN
Nonstop2h 20measyJet
Tue 18/307:05LTN - OPO
Nonstop2h 30measyJet
Deal found 10/2$115
Thu 20/314:35OPO - LGW
Nonstop2h 20measyJet
Mon 31/306:10LGW - OPO
Nonstop2h 25measyJet
Deal found 9/2$134
Tue 11/321:55OPO - LGW
1 stop10h 35mVueling
Sat 15/319:30LGW - OPO
1 stop12h 30mVueling
Deal found 10/2$156
Tue 11/321:55OPO - LTN
1 stop14h 10mMultiple Airlines
Sat 15/306:10LTN - OPO
Nonstop2h 30mMultiple Airlines
Deal found 10/2$186
Tue 11/321:55OPO - LGW
1 stop14h 30mMultiple Airlines
Sat 15/306:30LGW - OPO
Nonstop2h 30mMultiple Airlines
Deal found 10/2$212
Tue 11/313:00OPO - STN
2 stops8h 40mMultiple Airlines
Sat 15/314:35STN - OPO
Nonstop2h 25mMultiple Airlines
Deal found 10/2$214
Fri 14/218:05OPO - LGW
Nonstop2h 20mBritish Airways
Sun 23/216:50LGW - OPO
Nonstop2h 25mBritish Airways
Deal found 10/2$231
Sat 8/307:05OPO - LGW
Nonstop2h 20mTAP AIR PORTUGAL
Sun 23/321:25LGW - OPO
Nonstop2h 15mTAP AIR PORTUGAL
Deal found 10/2$242
Thu 6/311:15OPO - LHR
1 stop4h 50mKLM
Sun 9/320:25LHR - OPO
1 stop14h 05mKLM
Deal found 10/2$292
Sat 8/316:55OPO - LHR
1 stop5h 45mTAP AIR PORTUGAL
Sun 23/316:30LHR - OPO
1 stop5h 30mTAP AIR PORTUGAL
Deal found 10/2$293
Fri 21/316:05OPO - LGW
1 stop16h 55mAir Europa
Mon 24/310:00LGW - OPO
1 stop9h 20mAir Europa
Deal found 10/2$335

Find flights from Porto to London within your budget

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 647,157 searches. Data last updated 11 February 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortoLondon

OPO - STN

OPOSTN

Porto

Sat 15/3

21:40-00:05

Nonstop2h 25m

London Stansted

Mon 17/3

05:55-08:20

Nonstop2h 25m

$75

PortoLondon

OPO - LTN

OPOLTN

Porto

Sat 15/3

09:15-11:35

Nonstop2h 20m

London Luton

Tue 18/3

07:05-09:35

Nonstop2h 30m

$115

PortoLondon

OPO - LGW

OPOLGW

Porto

Thu 20/3

14:35-16:55

Nonstop2h 20m

London Gatwick

Mon 31/3

06:10-08:35

Nonstop2h 25m

$134

PortoLondon

OPO - LGW

OPOLGW

Porto

Tue 11/3

21:55-08:30

1 stop10h 35m

London Gatwick

Sat 15/3

19:30-08:00

1 stop12h 30m

$156

PortoLondon

OPO - LTN

OPOLTN

Porto

Tue 11/3

21:55-12:05

1 stop14h 10m

London Luton

Sat 15/3

06:10-08:40

Nonstop2h 30m

$186

PortoLondon

OPO - LGW

OPOLGW

Porto

Tue 11/3

21:55-12:25

1 stop14h 30m

London Gatwick

Sat 15/3

06:30-09:00

Nonstop2h 30m

$212

PortoLondon

OPO - STN

OPOSTN

Porto

Tue 11/3

13:00-21:40

2 stops8h 40m

London Stansted

Sat 15/3

14:35-17:00

Nonstop2h 25m

$214

PortoLondon

OPO - LGW

OPOLGW

Porto

Sat 8/3

07:05-09:25

Nonstop2h 20m

London Gatwick

Sun 23/3

21:25-23:40

Nonstop2h 15m

$242

PortoLondon

OPO - LGW

OPOLGW

Porto

Tue 25/2

10:45-13:05

Nonstop2h 20m

London Gatwick

Fri 28/2

14:50-17:15

Nonstop2h 25m

$245

PortoLondon

OPO - LHR

OPOLHR

Porto

Thu 6/3

11:15-16:05

1 stop4h 50m

London Heathrow

Sun 9/3

20:25-10:30

1 stop14h 05m

$292

Flights are sorted by cheapest return flights first.

Deals found on 10/2

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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
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.

Travel insights for flights from Porto to London

Get recent, data-driven insights about flights from Porto to London including ideal travel times, pricing trends, and more.

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 7 February 2025.

The best time to book flights from Porto to London is 78 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Porto to London?

Currently, October is the cheapest month in which you can book a flight from Porto to London (average of $1,037). Flying from Porto to London in December is currently the most expensive (average of $1,667). 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?