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Cheap flights from Porto to London from $64

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 24/6. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — LON
27 Feb — 6 Mar1
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 22 February 2025.

Round-trip from

$71

One-way from

$64

Popular in

July

Cheapest in

February

Average price

$135

Good one-way deal

$152 or less
Ryanair
  • Ryanair
  • 14/3-17/3
  • Nonstop
  • 4h 50m total
  • Porto to London
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Ryanair
  • Ryanair
  • 24/6
  • Nonstop
  • 2h 25m total
  • Porto to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($84 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average return price).
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Average for round-trip flights in February 2025
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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

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 22 February 2025.

Fri 28/321:25OPO - STN
Nonstop2h 25mRyanair
Sun 30/308:45STN - OPO
Nonstop2h 25mRyanair
Deal found 21/2$74
Sat 5/407:00OPO - LGW
Nonstop2h 20measyJet
Mon 21/406:10LGW - OPO
Nonstop2h 25measyJet
Deal found 21/2$154
Sat 15/309:15OPO - LTN
Nonstop2h 20measyJet
Tue 18/307:05LTN - OPO
Nonstop2h 30measyJet
Deal found 21/2$163
Fri 4/407:55OPO - LGW
1 stop26h 20mMultiple Airlines
Mon 21/408:00LGW - OPO
1 stop24h 05mMultiple Airlines
Deal found 22/2$202
Tue 18/320:00OPO - LGW
1 stop16h 20mVueling
Thu 20/308:30LGW - OPO
1 stop10h 50mVueling
Deal found 21/2$205
Tue 1/422:00OPO - LHR
1 stop11h 10mVueling
Mon 7/420:50LHR - OPO
1 stop24h 30mVueling
Deal found 22/2$221
Wed 9/408:35OPO - STN
1 stop13h 10mMultiple Airlines
Tue 22/417:50STN - OPO
1 stop27h 00mMultiple Airlines
Deal found 21/2$227
Tue 4/310:45OPO - LGW
Nonstop2h 20mBritish Airways
Tue 18/307:30LGW - OPO
Nonstop2h 25mBritish Airways
Deal found 21/2$246
Thu 27/207:10OPO - LGW
Nonstop2h 15mTAP AIR PORTUGAL
Mon 3/311:00LGW - OPO
Nonstop2h 25mTAP AIR PORTUGAL
Deal found 21/2$266
Fri 4/413:25OPO - SEN
1 stop6h 45mMultiple Airlines
Mon 21/420:05SEN - OPO
1 stop12h 00mMultiple Airlines
Deal found 22/2$285
Wed 3/1211:35OPO - LGW
1 stop4h 50mAir Europa
Mon 8/1210:00LGW - OPO
1 stop9h 20mAir Europa
Deal found 22/2$295
Wed 9/422:25OPO - LHR
1 stop11h 55mTAP AIR PORTUGAL
Tue 22/419:50LHR - OPO
1 stop13h 10mTAP AIR PORTUGAL
Deal found 21/2$301

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 22 February 2025.

Fly from

Porto

Fly to

London

Route

Depart

Return

Price

PortoLondon

OPO - STN

OPOSTN

Porto

Fri 28/3

21:25-23:50

Nonstop2h 25m

London Stansted

Sun 30/3

08:45-11:10

Nonstop2h 25m

$77

PortoLondon

OPO - LGW

OPOLGW

Porto

Sat 5/4

07:00-09:20

Nonstop2h 20m

London Gatwick

Mon 21/4

06:10-08:35

Nonstop2h 25m

$154

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

$163

PortoLondon

OPO - LGW

OPOLGW

Porto

Fri 4/4

07:55-10:15

1 stop26h 20m

London Gatwick

Mon 21/4

08:00-08:05

1 stop24h 05m

$202

PortoLondon

OPO - LGW

OPOLGW

Porto

Tue 18/3

20:00-12:20

1 stop16h 20m

London Gatwick

Thu 20/3

08:30-19:20

1 stop10h 50m

$205

PortoLondon

OPO - STN

OPOSTN

Porto

Wed 9/4

08:35-21:45

1 stop13h 10m

London Stansted

Tue 22/4

17:50-20:50

1 stop27h 00m

$227

PortoLondon

OPO - LGW

OPOLGW

Porto

Tue 4/3

10:45-13:05

Nonstop2h 20m

London Gatwick

Tue 18/3

07:30-09:55

Nonstop2h 25m

$246

PortoLondon

OPO - LGW

OPOLGW

Porto

Fri 14/3

18:15-20:40

Nonstop2h 25m

London Gatwick

Mon 17/3

21:30-23:50

Nonstop2h 20m

$266

PortoLondon

OPO - LHR

OPOLHR

Porto

Wed 9/4

22:25-10:20

1 stop11h 55m

London Heathrow

Tue 22/4

19:50-09:00

1 stop13h 10m

$301

PortoLondon

OPO - LGW

OPOLGW

Porto

Thu 13/3

20:10-16:25

1 stop20h 15m

London Gatwick

Sat 15/3

17:25-06:50

1 stop13h 25m

$304

Flights are sorted by cheapest return flights first.

Deals found on 21/2

Showing 1-10 of 49 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.

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 14 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?

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 22 February 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.

Weekly flight availability from Porto to London

Explore weekly flight availability from Porto to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 22 February 2025.

The most flights from OPO to LON are scheduled on a Saturday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 22 February 2025.
Get a feel of what it's like to fly with Aegean Airlines, KLM and SWISS from Porto to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.1
Very Good
732 reviews
Check prices

Entertainment

6.9

Food

7.3

Boarding

7.8

Comfort

7.8

Overall

8.1

Crew

8.6

Reviews

1 / 20

10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Aegean Airlines
8.1
Very Good
732 reviews
Aegean Airlines
8.1
Very Good
732 reviews
Check prices

Entertainment

6.9

Food

7.3

Boarding

7.8

Comfort

7.8

Overall

8.1

Crew

8.6

Reviews

1 / 20

10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

KLM
7.8
Good
1,332 reviews
Aegean Airlines
8.1
Very Good
732 reviews
Check prices

Entertainment

6.9

Food

7.3

Boarding

7.8

Comfort

7.8

Overall

8.1

Crew

8.6

Reviews

1 / 20

10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

SWISS
7.5
Good
1,566 reviews
Aegean Airlines
8.1
Very Good
732 reviews
Check prices

Entertainment

6.9

Food

7.3

Boarding

7.8

Comfort

7.8

Overall

8.1

Crew

8.6

Reviews

1 / 20

10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Brussels Airlines
7.4
Good
338 reviews
Aegean Airlines
8.1
Very Good
732 reviews
Check prices

Entertainment

6.9

Food

7.3

Boarding

7.8

Comfort

7.8

Overall

8.1

Crew

8.6

Reviews

1 / 20

10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Turkish Airlines
7.3
Good
3,825 reviews
Aegean Airlines
8.1
Very Good
732 reviews
Check prices

Entertainment

6.9

Food

7.3

Boarding

7.8

Comfort

7.8

Overall

8.1

Crew

8.6

Reviews

1 / 20

10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

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 5 outbound flights to London per day.

  • What are the cheapest airlines flying from Porto to London round-trip?

    Flying on Ryanair is currently your cheapest option to London, with prices starting at $71. Additional round-trip tickets that might be worth considering are offered by easyJet and Vueling, with the lowest prices starting at $154 and $205, respectively. You may be able to fly from Porto to London for 68% less than the average price by searching for these airlines.

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

    For one-way options, check prices for Ryanair. According to our data, you can fly for as low as $64. Users have also found prices from $72 and $119 on easyJet and TAP AIR PORTUGAL, 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, 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.

See more FAQs

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Gatwick
Hounslow
Southall
Chatham
Dover
Dorking
Canterbury
Andover
Hayes
Horley

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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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