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Cheap flights from Porto to London from $89

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 18/12. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — LON
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

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 7 November 2025.

Wed 3/1220:55OPO - STN
Nonstop2h 25mRyanair
Sat 6/1208:35STN - OPO
Nonstop2h 25mRyanair
Deal found 7/11$126
Sat 13/1216:00OPO - STN
Nonstop2h 25mRyanair
Sun 14/1206:10STN - OPO
Nonstop2h 25mRyanair
Deal found 5/11$128
Wed 17/1219:45OPO - LGW
Nonstop2h 20measyJet
Wed 31/1216:35LGW - OPO
Nonstop2h 35measyJet
Deal found 5/11$135
Mon 15/1216:50OPO - LGW
1 stop14h 10measyJet
Tue 6/109:35LGW - OPO
Nonstop2h 30measyJet
Deal found 6/11$146
Wed 24/1216:40OPO - LGW
Nonstop2h 20measyJet
Wed 7/109:35LGW - OPO
Nonstop2h 30measyJet
Deal found 5/11$160
Sat 13/1220:15OPO - LGW
Nonstop2h 15measyJet
Tue 16/1208:05LGW - OPO
1 stop14h 05measyJet
Deal found 6/11$162
Sat 13/1220:15OPO - LGW
Nonstop2h 15measyJet
Sun 14/1207:15LGW - OPO
1 stop7h 35measyJet
Deal found 5/11$169
Wed 24/1216:40OPO - LGW
Nonstop2h 20measyJet
Sat 3/106:30LGW - OPO
Nonstop2h 30measyJet
Deal found 5/11$172
Mon 22/1219:40OPO - LGW
Nonstop2h 15measyJet
Wed 31/1216:35LGW - OPO
Nonstop2h 35measyJet
Deal found 7/11$174
Sun 14/1206:20OPO - LTN
1 stop6h 05measyJet
Thu 15/107:15LTN - OPO
Nonstop2h 30measyJet
Deal found 6/11$174
Wed 24/1216:30OPO - STN
Nonstop2h 25mRyanair
Mon 29/1205:55STN - OPO
Nonstop2h 25mRyanair
Deal found 7/11$177
Wed 3/1207:00OPO - LTN
1 stop14h 00measyJet
Thu 15/107:15LTN - OPO
Nonstop2h 30measyJet
Deal found 6/11$177

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 7 November 2025.

Round-trip from

$118

One-way from

$89

Popular in

August

Cheapest in

February

Average price

$185

Good one-way deal

$214 or less
easyJet
  • easyJet
  • 6/2-9/2
  • Nonstop
  • 4h 50m total
  • Porto to London
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easyJet
  • easyJet
  • 18/12
  • 1 total stop
  • 7h 05m total
  • Porto to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($93 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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Price to beat on a one-way flight from Porto to London (LON).
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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 7 November 2025.
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 - LTN

OPOLTN

Porto

Thu 15/1

10:15-12:40

Nonstop2h 25m

London Luton

Sun 18/1

13:15-15:40

Nonstop2h 25m

$125

PortoLondon

OPO - STN

OPOSTN

Porto

Wed 3/12

20:55-23:20

Nonstop2h 25m

London Stansted

Sat 6/12

08:35-11:00

Nonstop2h 25m

$126

PortoLondon

OPO - STN

OPOSTN

Porto

Fri 6/3

16:05-18:30

Nonstop2h 25m

London Stansted

Sun 8/3

19:05-21:30

Nonstop2h 25m

$128

PortoLondon

OPO - STN

OPOSTN

Porto

Sat 13/12

16:00-18:25

Nonstop2h 25m

London Stansted

Sun 14/12

06:10-08:35

Nonstop2h 25m

$128

PortoLondon

OPO - STN

OPOSTN

Porto

Fri 16/1

16:05-18:30

Nonstop2h 25m

London Stansted

Sun 18/1

06:10-08:35

Nonstop2h 25m

$128

PortoLondon

OPO - STN

OPOSTN

Porto

Mon 16/2

17:45-20:10

Nonstop2h 25m

London Stansted

Fri 20/2

06:00-08:25

Nonstop2h 25m

$137

PortoLondon

OPO - LTN

OPOLTN

Porto

Fri 16/1

09:50-12:15

Nonstop2h 25m

London Luton

Sun 18/1

07:55-17:00

1 stop9h 05m

$146

PortoLondon

OPO - LGW

OPOLGW

Porto

Fri 20/3

12:45-15:05

Nonstop2h 20m

London Gatwick

Mon 23/3

09:35-12:05

Nonstop2h 30m

$160

PortoLondon

OPO - LGW

OPOLGW

Porto

Sat 13/12

20:15-22:30

Nonstop2h 15m

London Gatwick

Tue 16/12

08:05-22:10

1 stop14h 05m

$162

PortoLondon

OPO - LTN

OPOLTN

Porto

Thu 12/2

10:15-12:40

Nonstop2h 25m

London Luton

Fri 20/2

17:10-19:40

Nonstop2h 30m

$163

Flights are sorted by cheapest return flights first.

Deals found on 6/11

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 31 October 2025.

The best time to book flights from Porto to London is 54 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, February 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 $143). 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 7 November 2025.

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 much does it cost for a return flight from Porto to London?

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 3 outbound flights to London per day.

  • How long is the flight from Porto to London?

    Airlines like easyJet, Ryanair, 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 16h 15m. There are 1339 km between Porto and London. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Porto to London one-way?

    For one-way options, check prices for easyJet. According to our data, you can fly for as low as $89. Users have also found prices from $122 and $142 on Vueling and KLM, respectively.

  • 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, February 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 $143). 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

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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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