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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 14/5. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — LON
17 Feb — 24 Feb1
1 adult
1 adult, Economy, 0 bags

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 18 January 2026.

Round-trip from

$106

One-way from

$57

Popular in

August

Cheapest in

March

Average price

$163

Good one-way deal

$179 or less
Ryanair
  • Ryanair
  • 3/3-10/3
  • Nonstop
  • 4h 50m total
  • Porto to London
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easyJet
  • easyJet
  • 14/5
  • Nonstop
  • 2h 25m total
  • Porto to London
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Highest demand for flights based on searches. 22% potential increase in price ($91 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average return price).
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Average for round-trip flights in January 2026
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Price to beat on a one-way flight from Porto to London (LON).
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Find 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 18 January 2026.

Tue 3/319:40
OPO
-
STN
Nonstop2h 25m
Ryanair
Tue 10/306:15
STN
-
OPO
Nonstop2h 25m
Ryanair
Deal found 16/1$106
Mon 14/1218:30
OPO
-
LTN
Nonstop2h 30m
easyJet
Mon 4/115:20
LTN
-
OPO
Nonstop2h 30m
easyJet
Deal found 18/1$118
Wed 22/409:20
OPO
-
LTN
Nonstop2h 25m
easyJet
Sat 25/406:05
LTN
-
OPO
Nonstop2h 30m
easyJet
Deal found 17/1$123
Wed 22/407:00
OPO
-
LGW
Nonstop2h 25m
easyJet
Sun 26/409:35
LGW
-
OPO
Nonstop2h 25m
easyJet
Deal found 17/1$130
Fri 20/320:20
OPO
-
LTN
Nonstop2h 35m
easyJet
Mon 23/306:00
LTN
-
OPO
1 stop12h 50m
easyJet
Deal found 18/1$132
Wed 22/407:00
OPO
-
LGW
Nonstop2h 25m
easyJet
Sat 25/405:20
LGW
-
OPO
Nonstop2h 25m
easyJet
Deal found 17/1$133
Sat 25/406:55
OPO
-
LGW
Nonstop2h 25m
easyJet
Sun 26/409:35
LGW
-
OPO
Nonstop2h 25m
easyJet
Deal found 17/1$135
Fri 24/406:35
OPO
-
LGW
Nonstop2h 25m
easyJet
Mon 27/420:55
LGW
-
OPO
Nonstop2h 40m
easyJet
Deal found 18/1$136
Fri 6/320:20
OPO
-
LTN
Nonstop2h 35m
easyJet
Mon 9/315:20
LTN
-
OPO
Nonstop2h 30m
easyJet
Deal found 17/1$136
Thu 7/506:40
OPO
-
LGW
Nonstop2h 25m
easyJet
Mon 11/520:55
LGW
-
OPO
Nonstop2h 40m
easyJet
Deal found 18/1$138
Fri 20/320:20
OPO
-
LTN
Nonstop2h 35m
easyJet
Tue 24/308:30
LTN
-
OPO
1 stop9h 15m
easyJet
Deal found 18/1$138
Tue 3/320:05
OPO
-
LGW
1 stop16h 15m
Vueling
Tue 10/309:20
LGW
-
OPO
1 stop10h 10m
Vueling
Deal found 17/1$139

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 647,157 searches. Data last updated 18 January 2026.
Use the filters below to find and compare flights from Porto to London that are best for you.

Fly from

Porto

Fly to

London

Route

Depart

Return

Price

PortoLondon

OPO - STN

OPOSTN

Porto

Tue 3/3

19:40-22:05

Nonstop2h 25m

London Stansted

Tue 10/3

06:15-08:40

Nonstop2h 25m

$106

PortoLondon

OPO - LGW

OPOLGW

Porto

Fri 24/4

06:35-09:00

Nonstop2h 25m

London Gatwick

Sun 26/4

09:35-12:00

Nonstop2h 25m

$139

PortoLondon

OPO - LGW

OPOLGW

Porto

Tue 3/3

20:05-08:40

1 stop12h 35m

London Gatwick

Tue 10/3

09:20-19:30

1 stop10h 10m

$141

PortoLondon

OPO - LGW

OPOLGW

Porto

Thu 23/4

06:40-09:05

Nonstop2h 25m

London Gatwick

Sat 25/4

05:20-07:45

Nonstop2h 25m

$144

PortoLondon

OPO - LGW

OPOLGW

Porto

Wed 15/4

07:00-09:25

Nonstop2h 25m

London Gatwick

Sun 19/4

09:35-12:00

Nonstop2h 25m

$148

PortoLondon

OPO - LTN

OPOLTN

Porto

Fri 27/2

20:20-22:55

Nonstop2h 35m

London Luton

Sun 8/3

13:15-15:40

Nonstop2h 25m

$150

PortoLondon

OPO - LGW

OPOLGW

Porto

Thu 7/5

06:40-09:05

Nonstop2h 25m

London Gatwick

Sat 16/5

05:20-07:45

Nonstop2h 25m

$151

PortoLondon

OPO - LTN

OPOLTN

Porto

Fri 6/3

20:20-22:55

Nonstop2h 35m

London Luton

Mon 9/3

06:15-18:50

1 stop12h 35m

$151

PortoLondon

OPO - LGW

OPOLGW

Porto

Tue 31/3

18:00-20:15

Nonstop2h 15m

London Gatwick

Thu 9/4

20:50-23:20

Nonstop2h 30m

$159

PortoLondon

OPO - LGW

OPOLGW

Porto

Tue 3/3

12:35-14:55

Nonstop2h 20m

London Gatwick

Tue 10/3

08:05-17:15

1 stop9h 10m

$167

Flights are sorted by cheapest return flights first.

Deals found on 17/1

Showing 1-10 of 60 results
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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.

Cheapflights Insights

Everything you need to know about your flight from Porto to London

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 16 January 2026.

The best time to book flights from Porto to London is 45 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, March is the cheapest month in which you can book a flight from Porto to London (average of $54). Flying from Porto to London in June is currently the most expensive (average of $138). 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 18 January 2026.

When flying from Porto to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How often are flights from Porto to London delayed?

About 22% of weekly flights between Porto and London have experienced delays in the past year, with the average delay time being 115 minutes.

What is the most punctual flight time for Porto to London flights?

Historically, flights departing in the evening 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?

Wednesday tends to have the lowest number of delays on this route, whereas Sunday 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, Titan Airways have had the lowest number of delays on this route, with just 6% of flights being delayed.

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?

    Porto (OPO), located 10.9 km from the city centre, is the airport you fly out of when you book flights from Porto to London. 0 airlines have flights from Porto to London on a regular basis. Booking flights from Porto to London should not be difficult; the airport handles an average of 4 outbound flights to London per day.

  • How long is the flight from Porto to London?

    Airlines like Ryanair, easyJet, and Vueling fly from Porto to London in about 2h 25m. The time it takes to get you to your destination can typically vary by up to 10h 10m. There are 1362 km between Porto and London. This flight may include one or multiple stops.

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

    The most popular flight routes from Porto to London are Porto - London Luton, Porto - London Gatwick and Porto - London Stansted.

  • 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, March is the cheapest month in which you can book a flight from Porto to London (average of $54). Flying from Porto to London in June is currently the most expensive (average of $138). 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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Deals for Porto to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Porto to London?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to London from Porto.

Can Cheapflights find flights from Porto to London with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Porto to London flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Porto to London become cheaper?

Yes, Cheapflights offers price alerts on Porto to London flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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