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Cheap flights from Porto to London from $88

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 21/11. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — LON
16 Nov — 23 Nov1
1 adult
1 adult, Economy

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 17 October 2025.

Sat 15/1116:00OPO - STN
Nonstop2h 25mRyanair
Sat 22/1111:10STN - OPO
Nonstop2h 25mRyanair
Deal found 15/10$111
Fri 14/1111:10OPO - STN
Nonstop2h 25mRyanair
Sun 16/1106:10STN - OPO
Nonstop2h 25mRyanair
Deal found 15/10$112
Thu 20/1119:00OPO - STN
Nonstop2h 25mRyanair
Sun 23/1106:10STN - OPO
Nonstop2h 25mRyanair
Deal found 17/10$115
Fri 21/1111:10OPO - STN
Nonstop2h 25mRyanair
Sun 30/1108:45STN - OPO
Nonstop2h 25mRyanair
Deal found 17/10$122
Sat 8/1111:40OPO - STN
Nonstop2h 25mRyanair
Tue 11/1106:15STN - OPO
Nonstop2h 25mRyanair
Deal found 16/10$128
Wed 3/1220:55OPO - STN
Nonstop2h 25mRyanair
Sat 6/1208:35STN - OPO
Nonstop2h 25mRyanair
Deal found 17/10$129
Wed 12/1120:55OPO - STN
Nonstop2h 25mRyanair
Sat 15/1118:50STN - OPO
Nonstop2h 25mRyanair
Deal found 15/10$131
Fri 14/1116:05OPO - STN
Nonstop2h 25mRyanair
Mon 17/1105:55STN - OPO
Nonstop2h 25mRyanair
Deal found 16/10$142
Thu 27/1106:10OPO - STN
Nonstop2h 25mRyanair
Sat 29/1111:10STN - OPO
Nonstop2h 25mRyanair
Deal found 16/10$143
Thu 27/1106:10OPO - STN
Nonstop2h 25mRyanair
Sun 30/1106:10STN - OPO
Nonstop2h 25mRyanair
Deal found 16/10$149
Mon 8/1218:30OPO - LTN
Nonstop2h 25measyJet
Fri 12/1217:30LTN - OPO
1 stop14h 45measyJet
Deal found 17/10$160
Wed 3/1212:35OPO - LGW
Nonstop2h 20measyJet
Sat 6/1206:30LGW - OPO
Nonstop2h 30measyJet
Deal found 16/10$163

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 17 October 2025.

Round-trip from

$111

One-way from

$88

Popular in

August

Cheapest in

February

Average price

$200

Good one-way deal

$215 or less
Ryanair
  • Ryanair
  • 15/11-22/11
  • Nonstop
  • 4h 50m total
  • Porto to London
Search Deals
Ryanair
  • Ryanair
  • 21/11
  • Nonstop
  • 2h 25m total
  • Porto to London
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($99 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a one-way flight from Porto to London (LON).
Search Deals

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 17 October 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 22/1

10:15-12:40

Nonstop2h 25m

London Luton

Sun 25/1

13:15-15:40

Nonstop2h 25m

$111

PortoLondon

OPO - STN

OPOSTN

Porto

Wed 19/11

20:55-23:20

Nonstop2h 25m

London Stansted

Sun 23/11

06:10-08:35

Nonstop2h 25m

$112

PortoLondon

OPO - STN

OPOSTN

Porto

Fri 14/11

11:10-13:35

Nonstop2h 25m

London Stansted

Sun 16/11

06:10-08:35

Nonstop2h 25m

$112

PortoLondon

OPO - STN

OPOSTN

Porto

Thu 20/11

19:00-21:25

Nonstop2h 25m

London Stansted

Sun 23/11

06:10-08:35

Nonstop2h 25m

$119

PortoLondon

OPO - LTN

OPOLTN

Porto

Mon 2/3

18:30-20:55

Nonstop2h 25m

London Luton

Sun 15/3

13:15-15:40

Nonstop2h 25m

$122

PortoLondon

OPO - STN

OPOSTN

Porto

Fri 21/11

11:10-13:35

Nonstop2h 25m

London Stansted

Sun 30/11

08:45-11:10

Nonstop2h 25m

$122

PortoLondon

OPO - STN

OPOSTN

Porto

Fri 21/11

09:10-11:35

Nonstop2h 25m

London Stansted

Sun 23/11

06:10-08:35

Nonstop2h 25m

$128

PortoLondon

OPO - STN

OPOSTN

Porto

Sun 18/1

16:15-18:40

Nonstop2h 25m

London Stansted

Sun 25/1

06:10-08:35

Nonstop2h 25m

$128

PortoLondon

OPO - STN

OPOSTN

Porto

Fri 16/1

11:10-13:35

Nonstop2h 25m

London Stansted

Sun 18/1

06:10-08:35

Nonstop2h 25m

$136

PortoLondon

OPO - STN

OPOSTN

Porto

Thu 27/11

06:10-08:35

Nonstop2h 25m

London Stansted

Sat 29/11

11:10-13:35

Nonstop2h 25m

$143

Flights are sorted by cheapest return flights first.

Deals found on 15/10

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 10 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 17 October 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.

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.

  • 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 Ryanair. According to our data, you can fly for as low as $88. Users have also found prices from $89 and $99 on easyJet and Vueling, 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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