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

Our cheapest airline available from Porto to London is Vueling. Our recent data shows that you can find tickets from as low as $97 on this airline. Additional options worth looking into are easyJet and KLM, starting at $105 and $209 round-trip. These flights start at 31% 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 ($42), Vueling ($46), and Ryanair ($79).

What is the cheapest day to fly from Porto to London?

Travelers seeking maximum savings on their Porto to London flight should consider departing on Saturday at noon when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 Gatwick or Porto - London Heathrow as they are the most popular.

What is the cheapest day to fly round-trip from Porto to London?

Monday is generally a great day to depart. Flying on this day could help you save up to 65%.

How far in advance should I book a flight from Porto to London?

Users have found that booking a flight from Porto to London at least 30 days early can save you up to 34% on average compared to booking a flight this week. If booking 30 days before your flight isn’t an option for you, users have found flights from Porto to London for as little as $133 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $134 for flights departing within the next 3 days.

What is the cheapest month to fly from Porto to London?

February can be a great time to fly to London from Porto with a flight ticket averaging about $141. Cheapflights users have found deals in the month of February for as cheap as $34. The most expensive prices can be found in the month of July.

Most accurate provider : When it comes to deals on Porto-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Porto-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Porto-London flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Porto-London flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Porto-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 2 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.

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.

$42+ Flights from Porto to London

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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 Tuesday or Saturday and return on a Thursday

Cheap flight deals from Porto to London

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$97 (Mytrip)
One-way from	$42 (easyJet)
Popular in	July
Cheapest in	February
Average price	$92
Good round-trip deal	$83 or less
Good one-way deal	$80 or less

Provider with most accurate pricing for Porto-London (LON) flight deals.

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Provider most trusted by Cheapflights users for Porto-London (LON) flights.

Search Deals

From Porto to London (LON)

Search Deals

One-way flight from Porto to London (LON)

Search Deals

Highest demand for flights based on searches. 20% potential increase in price ($36 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($5 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

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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).

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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 March 26, 2025.

Fri 5/210:00 pmOPO - LGW

1 stop16h 20mVueling

Tue 5/69:45 pmLGW - OPO

1 stop10h 15mVueling

Deal found 3/25

$97

Sat 5/106:55 amOPO - LGW

Nonstop2h 25measyJet

Mon 5/126:10 amLGW - OPO

Nonstop2h 25measyJet

Deal found 3/25

$105

Fri 5/27:45 pmOPO - LGW

Nonstop2h 15mMultiple Airlines

Tue 5/69:45 pmLGW - OPO

1 stop10h 15mMultiple Airlines

Deal found 3/25

$118

Wed 10/19:20 amOPO - LTN

Nonstop2h 25measyJet

Sun 10/51:05 pmLTN - OPO

Nonstop2h 25measyJet

Deal found 3/25

$131

Sun 11/166:00 amOPO - LGW

Nonstop2h 20mTAP AIR PORTUGAL

Sun 11/169:25 pmLGW - OPO

Nonstop2h 25mTAP AIR PORTUGAL

Deal found 3/25

$177

Fri 5/210:00 pmOPO - LHR

1 stop11h 10mVueling

Tue 5/68:50 pmLHR - OPO

1 stop11h 10mVueling

Deal found 3/24

$177

Fri 10/38:10 pmOPO - LGW

1 stop20h 15mAir Europa

Mon 10/610:00 amLGW - OPO

1 stop5h 15mAir Europa

Deal found 3/25

$196

Wed 5/1412:20 pmOPO - LHR

1 stop5h 30mMultiple Airlines

Mon 5/198:50 pmLHR - OPO

1 stop11h 10mMultiple Airlines

Deal found 3/24

$204

Thu 5/88:20 pmOPO - LHR

1 stop11h 20mKLM

Mon 5/128:40 amLHR - OPO

1 stop8h 05mKLM

Deal found 3/24

$209

Fri 10/34:00 pmOPO - LHR

1 stop6h 05mTAP AIR PORTUGAL

Sun 10/58:00 amLHR - OPO

1 stop9h 00mTAP AIR PORTUGAL

Deal found 3/25

$215

Fri 5/169:10 pmOPO - LGW

Nonstop2h 20mBritish Airways

Mon 5/196:00 pmLGW - OPO

Nonstop2h 20mBritish Airways

Deal found 3/25

$216

Tue 5/138:40 amOPO - LGW

1 stop9h 10mSWISS

Sat 5/176:40 pmLGW - OPO

1 stop13h 15mSWISS

Deal found 3/25

$221

Best flights from Porto to London
Discover carefully curated flight deals from Porto to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 26, 2025.

Fri 5/210:00 pmOPO - LGW

1 stop16h 20mVueling

Tue 5/69:45 pmLGW - OPO

1 stop10h 15mVueling

Deal found 3/25

$97

Sat 5/106:55 amOPO - LGW

Nonstop2h 25measyJet

Mon 5/126:10 amLGW - OPO

Nonstop2h 25measyJet

Deal found 3/25

$105

Fri 5/27:45 pmOPO - LGW

Nonstop2h 15mMultiple Airlines

Tue 5/69:45 pmLGW - OPO

1 stop10h 15mMultiple Airlines

Deal found 3/25

$118

Thu 5/88:20 pmOPO - LHR

1 stop11h 20mKLM

Mon 5/128:40 amLHR - OPO

1 stop8h 05mKLM

Deal found 3/24

$209

Fri 5/169:10 pmOPO - LGW

Nonstop2h 20mBritish Airways

Mon 5/196:00 pmLGW - OPO

Nonstop2h 20mBritish Airways

Deal found 3/25

$216

Tue 5/138:40 amOPO - LGW

1 stop9h 10mSWISS

Sat 5/176:40 pmLGW - OPO

1 stop13h 15mSWISS

Deal found 3/25

$221

Tue 4/296:00 amOPO - LHR

1 stop11h 40mLufthansa

Tue 5/64:25 pmLHR - OPO

1 stop6h 55mLufthansa

Deal found 3/24

$233

Thu 5/16:10 pmOPO - LGW

Nonstop2h 20mTAP AIR PORTUGAL

Tue 5/64:25 pmLGW - OPO

1 stop6h 30mTAP AIR PORTUGAL

Deal found 3/26

$243

Fri 5/169:05 amOPO - LTN

Nonstop2h 25measyJet

Mon 5/197:30 amLTN - OPO

1 stop6h 50measyJet

Deal found 3/25

$138

Sat 4/54:50 pmOPO - LHR

1 stop4h 45mBrussels Airlines

Wed 4/911:05 amLHR - OPO

1 stop5h 20mBrussels Airlines

Deal found 3/24

$283

Thu 5/88:45 amOPO - LHR

1 stop9h 20mEurowings

Mon 5/122:45 pmLHR - OPO

1 stop5h 55mEurowings

Deal found 3/24

$320

Wed 4/238:10 pmOPO - LGW

1 stop12h 50mAir Europa

Sat 4/265:25 pmLGW - OPO

1 stop13h 25mAir Europa

Deal found 3/25

$338

Last-minute flights from Porto to London
Discover last-minute flight deals from Porto to London. Data last updated March 26, 2025 and is based on user searches.

Tue 4/17:00 amOPO - LGW

1 stop8h 35mTAP AIR PORTUGAL

Sun 4/139:15 pmLGW - OPO

Nonstop2h 25mTAP AIR PORTUGAL

Deal found 3/25

$260

Tue 4/14:00 pmOPO - LHR

1 stop6h 00mTAP AIR PORTUGAL

Tue 4/156:00 amLHR - OPO

1 stop14h 25mTAP AIR PORTUGAL

Deal found 3/25

$285

Tue 4/17:00 amOPO - LGW

1 stop8h 35mTAP AIR PORTUGAL

Mon 4/149:15 pmLGW - OPO

Nonstop2h 25mTAP AIR PORTUGAL

Deal found 3/25

$260

Wed 4/212:20 pmOPO - LHR

1 stop5h 30mSWISS

Wed 4/98:05 pmLHR - OPO

1 stop11h 40mSWISS

Deal found 3/24

$274

Wed 4/24:55 pmOPO - LGW

1 stop5h 45mMultiple Airlines

Thu 4/36:25 amLGW - OPO

Nonstop2h 40mMultiple Airlines

Deal found 3/25

$309

Wed 4/24:55 pmOPO - LHR

1 stop5h 35mIberia

Thu 4/37:45 amLHR - OPO

1 stop8h 10mIberia

Deal found 3/25

$362

Wed 4/28:40 amOPO - LGW

1 stop9h 10mSWISS

Thu 4/36:40 pmLGW - OPO

1 stop16h 45mSWISS

Deal found 3/25

$419

Wed 4/28:40 amOPO - LHR

1 stop10h 40mSWISS

Mon 4/78:05 pmLHR - OPO

1 stop11h 50mSWISS

Deal found 3/24

$296

Fri 4/410:40 amOPO - LGW

Nonstop2h 20measyJet

Mon 4/146:10 amLGW - OPO

Nonstop2h 25measyJet

Deal found 3/25

$153

Fri 4/49:05 amOPO - LTN

Nonstop2h 25measyJet

Wed 4/96:20 amLTN - OPO

Nonstop2h 25measyJet

Deal found 3/25

$182

Fri 4/46:00 amOPO - LHR

1 stop6h 40mLufthansa

Tue 4/84:25 pmLHR - OPO

1 stop7h 00mLufthansa

Deal found 3/24

$282

Fri 4/412:55 pmOPO - LHR

1 stop8h 00mBrussels Airlines

Wed 4/911:05 amLHR - OPO

1 stop5h 20mBrussels Airlines

Deal found 3/25

$310

One-way flights from Porto to London
Search for one-way flight options from Porto to London. Find affordable one-way fares based on user searches. Data last updated March 26, 2025.

Tue 5/206:20 amOPO - LGW

Nonstop2h 20measyJet

Deal found 3/25

$42

Wed 5/219:20 amOPO - LTN

Nonstop2h 25measyJet

Deal found 3/25

$43

Wed 5/2110:00 pmOPO - LGW

1 stop10h 30mVueling

Deal found 3/25

$46

Fri 5/912:50 pmOPO - LGW

1 stop7h 45mMultiple Airlines

Deal found 3/25

$66

Wed 5/215:40 pmOPO - LTN

1 stop7h 50mMultiple Airlines

Deal found 3/25

$73

Mon 4/2810:20 pmOPO - LTN

1 stop26h 10mRyanair

Deal found 3/25

$79

Fri 5/2310:00 pmOPO - LHR

1 stop11h 10mVueling

Deal found 3/24

$79

Tue 5/2010:00 pmOPO - LGW

1 stop14h 40mIberia

Deal found 3/25

$86

Thu 5/2212:15 pmOPO - LHR

1 stop7h 05mSWISS

Deal found 3/24

$90

Wed 6/187:00 amOPO - LHR

1 stop14h 55mMultiple Airlines

Deal found 3/24

$92

Mon 3/3110:00 pmOPO - LHR

1 stop11h 10mIberia

Deal found 3/25

$94

Sat 5/106:55 pmOPO - LHR

1 stop12h 45mKLM

Deal found 3/25

$98

Cheapflights Fare Finder

Use the filters below to find and compare flights from Porto to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortoLondon

OPO - LGW

OPOLGW

Porto

Fri 5/2

10:00 pm-2:20 pm

1 stop16h 20m

London Gatwick

Tue 5/6

9:45 pm-8:00 am

1 stop10h 15m

$97

PortoLondon

OPO - LGW

OPOLGW

Porto

Sat 5/10

6:55 am-9:20 am

Nonstop2h 25m

London Gatwick

Mon 5/12

6:10 am-8:35 am

Nonstop2h 25m

$105

PortoLondon

OPO - LGW

OPOLGW

Porto

Fri 5/2

7:45 pm-10:00 pm

Nonstop2h 15m

London Gatwick

Tue 5/6

9:45 pm-8:00 am

1 stop10h 15m

$118

PortoLondon

OPO - LTN

OPOLTN

Porto

Fri 5/16

9:05 am-11:30 am

Nonstop2h 25m

London Luton

Mon 5/19

7:30 am-2:20 pm

1 stop6h 50m

$138

PortoLondon

OPO - LHR

OPOLHR

Porto

Fri 5/2

10:00 pm-9:10 am

1 stop11h 10m

London Heathrow

Tue 5/6

8:50 pm-8:00 am

1 stop11h 10m

$177

PortoLondon

OPO - LHR

OPOLHR

Porto

Wed 5/14

12:20 pm-5:50 pm

1 stop5h 30m

London Heathrow

Mon 5/19

8:50 pm-8:00 am

1 stop11h 10m

$204

PortoLondon

OPO - LHR

OPOLHR

Porto

Thu 5/8

8:20 pm-7:40 am

1 stop11h 20m

London Heathrow

Mon 5/12

8:40 am-4:45 pm

1 stop8h 05m

$209

PortoLondon

OPO - LGW

OPOLGW

Porto

Fri 5/16

9:10 pm-11:30 pm

Nonstop2h 20m

London Gatwick

Mon 5/19

6:00 pm-8:20 pm

Nonstop2h 20m

$216

PortoLondon

OPO - LGW

OPOLGW

Porto

Tue 5/13

8:40 am-5:50 pm

1 stop9h 10m

London Gatwick

Sat 5/17

6:40 pm-7:55 am

1 stop13h 15m

$221

PortoLondon

OPO - LHR

OPOLHR

Porto

Tue 5/13

8:40 am-4:25 pm

1 stop7h 45m

London Heathrow

Sat 5/17

8:05 pm-7:55 am

1 stop11h 50m

$225

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 46 results

...

Compare providers for flights from Porto to London

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Porto to London in March.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Porto-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Porto-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Porto-London flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Porto-London flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Porto-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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?

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 $1,115). 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?

A simple way to save on the total cost of your ticket is to fly from Porto to London in the afternoon. If you’re flexible enough to do this you can expect to save up to 25% on your trip compared to booking a flight in the evening.

Rainfall in London by month

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Temperature in London 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing London

Peruse reviews from past customers who have flown with Aegean Airlines, KLM and Austrian Airlines from Porto to London to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Aegean Airlines

8.1

Very good

729 reviews

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

729 reviews

Aegean Airlines

8.1

Very good

729 reviews

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

1,319 reviews

Aegean Airlines

8.1

Very good

729 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

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

Austrian Airlines

7.5

Good

769 reviews

Aegean Airlines

8.1

Very good

729 reviews

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

1,569 reviews

Aegean Airlines

8.1

Very good

729 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

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

Air France

7.4

Good

1,423 reviews

Aegean Airlines

8.1

Very good

729 reviews

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

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 2 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 Vueling. Our recent data shows that you can find tickets from as low as $97 on this airline. Additional options worth looking into are easyJet and KLM, starting at $105 and $209 round-trip. These flights start at 31% 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 ($42), Vueling ($46), and Ryanair ($79).
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 Gatwick or Porto - London Heathrow 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 $1,115). 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

Hounslow

Hayes

Thornton Heath

Luton

Wembley

Harrow

Horley

Canterbury

Gatwick

Dover

Orpington

Watford

Milton Keynes

Croydon

Borehamwood

Bromley

Folkestone

Ilford

Aylesbury

Sutton

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Porto to London

Airline	Cheapest	Average	Flexibility	On-time
easyJet	Cheapest$65	Average$180	FlexibilityNo cancel fee	On-time86%
Ryanair	Cheapest$81	Average$150	FlexibilityNo cancel fee	On-timeN/A
TAP AIR PORTUGAL	Cheapest$142	Average$272	FlexibilityNo cancel fee	On-timeN/A

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$42+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Porto to London with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Cheap flight deals from Porto to London

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Porto to London

Cheapest flights from Porto to LondonExplore 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 March 26, 2025.

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 March 26, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Porto to London that are best for you.

Compare providers for flights from Porto to London

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Porto to London in March.

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.

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 March 21, 2025.

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

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 March 26, 2025.

Rainfall in London by month

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

Temperature in London by month

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

Reviews of airlines servicing 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.

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Alternative routes for Porto to London

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Top 3 airlines flying from Porto to London

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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 March 26, 2025.