HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$50+ Cheap flights from Porto (OPO) to London (LON)

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — LON
jul. 7 — jul. 141
lun. 7/7
lun. 7/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Porto to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Porto to London are usually found in February or March, booked 78 days in advance, depart on a Thursday or Saturday and return on a Tuesday

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 julio 2, 2025.

Round-trip from

$97
(easyJet)

One-way from

$50
(FlightHub)

Popular in

July

Cheapest in

February

Average price

$202

Good round-trip deal

$145 or less

Good one-way deal

$52 or less
From Porto to London (LON)
Search Deals
One-way flight from Porto to London (LON)
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($45 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
Price to beat on a round-trip flight from Porto to London (LON).
Search Deals
Price to beat on a one-way flight from Porto to London (LON).
Search Deals

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 julio 2, 2025.

This easyJet deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/116:55 amOPO - LGW
Nonstop2h 25measyJet
lun. 10/139:50 amLGW - OPO
Nonstop2h 20measyJet
Deal found 6/30$97
This easyJet deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/164:20 pmOPO - LTN
Nonstop2h 25measyJet
jue. 11/207:10 amLTN - OPO
Nonstop2h 30measyJet
Deal found 7/2$97
This Vueling Global deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/34:25 pmOPO - LGW
1 stop15h 25mVueling
mar. 10/79:25 amLGW - OPO
1 stop10h 10mVueling
Deal found 7/1$143
This Mytrip deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/188:50 amOPO - LGW
1 stop11h 50mWizz Air
vie. 9/199:20 pmLGW - OPO
1 stop11h 30mWizz Air
Deal found 6/30$149
This British Airways deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/56:05 pmOPO - LGW
Nonstop2h 20mBritish Airways
mar. 12/92:15 pmLGW - OPO
Nonstop2h 25mBritish Airways
Deal found 7/2$151
This Mytrip deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/186:40 amOPO - LGW
Nonstop2h 20mMultiple Airlines
vie. 9/199:20 pmLGW - OPO
1 stop11h 30mMultiple Airlines
Deal found 6/30$153
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/166:00 amOPO - LGW
Nonstop2h 20mTAP AIR PORTUGAL
dom. 11/169:25 pmLGW - OPO
Nonstop2h 25mTAP AIR PORTUGAL
Deal found 7/2$192
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/710:50 amOPO - LTN
1 stop7h 55mMultiple Airlines
mié. 8/276:20 amLTN - OPO
Nonstop2h 25mMultiple Airlines
Deal found 7/1$192
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/114:00 pmOPO - LHR
1 stop5h 35mTAP AIR PORTUGAL
sáb. 11/156:30 pmLHR - OPO
1 stop6h 00mTAP AIR PORTUGAL
Deal found 7/2$242
This Lufthansa deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/512:30 pmOPO - LHR
1 stop6h 20mMultiple Airlines
mar. 12/96:00 amLHR - OPO
1 stop5h 15mMultiple Airlines
Deal found 7/1$247
This KLM deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/116:30 amOPO - LHR
1 stop7h 20mKLM
mié. 9/175:10 pmLHR - OPO
1 stop5h 05mKLM
Deal found 6/30$259
This SWISS deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/55:20 pmOPO - LHR
1 stop24h 30mSWISS
lun. 12/88:05 pmLHR - OPO
1 stop15h 10mSWISS
Deal found 7/1$269

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated julio 2, 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 - LGW

OPOLGW

Porto

sáb. 10/11

6:55 am-9:20 am

Nonstop2h 25m

London Gatwick

lun. 10/13

9:50 am-12:10 pm

Nonstop2h 20m

$97

PortoLondon

OPO - LTN

OPOLTN

Porto

dom. 11/16

4:20 pm-6:45 pm

Nonstop2h 25m

London Luton

jue. 11/20

7:10 am-9:40 am

Nonstop2h 30m

$97

PortoLondon

OPO - LGW

OPOLGW

Porto

vie. 10/3

4:25 pm-7:50 am

1 stop15h 25m

London Gatwick

mar. 10/7

9:25 am-7:35 pm

1 stop10h 10m

$143

PortoLondon

OPO - LGW

OPOLGW

Porto

jue. 9/18

8:50 am-8:40 pm

1 stop11h 50m

London Gatwick

vie. 9/19

9:20 pm-8:50 am

1 stop11h 30m

$149

PortoLondon

OPO - LGW

OPOLGW

Porto

vie. 12/5

6:05 pm-8:25 pm

Nonstop2h 20m

London Gatwick

mar. 12/9

2:15 pm-4:40 pm

Nonstop2h 25m

$151

PortoLondon

OPO - LGW

OPOLGW

Porto

jue. 9/18

6:40 am-9:00 am

Nonstop2h 20m

London Gatwick

vie. 9/19

9:20 pm-8:50 am

1 stop11h 30m

$153

PortoLondon

OPO - LGW

OPOLGW

Porto

dom. 11/16

6:00 am-8:20 am

Nonstop2h 20m

London Gatwick

dom. 11/16

9:25 pm-11:50 pm

Nonstop2h 25m

$192

PortoLondon

OPO - LTN

OPOLTN

Porto

jue. 8/7

10:50 am-6:45 pm

1 stop7h 55m

London Luton

mié. 8/27

6:20 am-8:45 am

Nonstop2h 25m

$192

PortoLondon

OPO - LHR

OPOLHR

Porto

mar. 11/11

4:00 pm-9:35 pm

1 stop5h 35m

London Heathrow

sáb. 11/15

6:30 pm-12:30 am

1 stop6h 00m

$242

PortoLondon

OPO - LHR

OPOLHR

Porto

vie. 12/5

12:30 pm-6:50 pm

1 stop6h 20m

London Heathrow

mar. 12/9

6:00 am-11:15 am

1 stop5h 15m

$247

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 32 results
1
2
3
4

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 round-trip 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 round-trip flight from Porto to London. Price data was last updated on June 27, 2025.

The price you pay for your flight from Porto to London may vary depending on when you book. For the best chance of a lower fare, look to book 78 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from Porto to London (average of $661). Flying from Porto to London in June is currently the most expensive (average of $1,098). 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 julio 2, 2025.

A simple way to save on the total cost of your ticket is to fly from Porto to London in the morning. If you’re flexible enough to do this you can expect to save up to 17% on your trip compared to booking a flight in the evening.

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 julio 2, 2025.

The most flights from OPO to LON are scheduled on a Monday (12 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (2 on average).

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 julio 2, 2025.
Read through reviews of airlines operating flights from Porto to London, such as KLM, SWISS, and Brussels Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,366 reviews

Entertainment

7.1

Food

7.2

Boarding

7.8

Overall

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,366 reviews
KLM
7.8
Good
1,366 reviews

Entertainment

7.1

Food

7.2

Boarding

7.8

Overall

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
SWISS
7.5
Good
1,654 reviews
KLM
7.8
Good
1,366 reviews

Entertainment

7.1

Food

7.2

Boarding

7.8

Overall

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Brussels Airlines
7.3
Good
352 reviews
KLM
7.8
Good
1,366 reviews

Entertainment

7.1

Food

7.2

Boarding

7.8

Overall

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Vueling
7.1
Good
1,170 reviews
KLM
7.8
Good
1,366 reviews

Entertainment

7.1

Food

7.2

Boarding

7.8

Overall

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
TAP AIR PORTUGAL
7.1
Good
1,912 reviews
KLM
7.8
Good
1,366 reviews

Entertainment

7.1

Food

7.2

Boarding

7.8

Overall

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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) is the airport you will fly out of if you book a flight from Porto to London. You should not have trouble finding flights to London from Porto; the airport handles an average of 6 outbound flights to London per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Porto airport to London. It is only a 6.8 mi journey to Porto (OPO) from Porto’s city center.

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

    Our cheapest airline available from Porto to London is easyJet. Our recent data shows that you can find tickets from as low as $97 on this airline. Additional options worth looking into are Vueling and Wizz Air, starting at $143 and $149 round-trip. These flights start at 30% lower than the current average price 3 months from now.

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

    The cheapest airlines for a one-way flight from Porto to London are easyJet ($50), easyJet ($51), and Vueling ($70).

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

    When deciding which route to take from Porto to London consider Porto - London Luton, Porto - London Heathrow or Porto - London Gatwick as they are the most popular.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from Porto to London (average of $661). Flying from Porto to London in June is currently the most expensive (average of $1,098). 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

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Canterbury
Harrow
Dover
Gatwick
Orpington
Watford
Croydon
Folkestone
Borehamwood
Aylesbury
Chelmsford
Brentwood
Chichester
Arundel
Milton Keynes
Bishop's Stortford
Dartford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Porto to London

See prices for flight routes from nearby airports that may be better suited for you.
Lisbon to Heathrow flights
Lisbon to Gatwick flights
Porto to Heathrow flights
Porto to Gatwick flights
Faro to Heathrow flights
Faro to Gatwick flights

Top 3 airlines flying from Porto to London

Discover the top 3 airlines that operate flights from Porto to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated julio 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest$62Average$128FlexibilityNo cancel feeOn-timeN/A
easyJetCheapest$65Average$192FlexibilityNo cancel feeOn-time86%
TAP AIR PORTUGALCheapest$154Average$302FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.