Cheap flights from London to Porto from €45

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Porto departing on 3/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from London to Porto

Cheap return flights

easyJet Logo
06:10 - 08:35LGW-OPO
2h 25mdirect
easyJet Logo
06:55 - 09:20OPO-LGW
2h 25mdirect
€94easyJet
Find Deal
Mon, 6 Oct - Wed, 8 Oct
easyJet Logo
09:15 - 11:40LGW-OPO
2h 25mdirect
easyJet Logo
06:55 - 09:20OPO-LGW
2h 25mdirect
€95easyJet
Find Deal
Tue, 7 Oct - Wed, 15 Oct
easyJet Logo
06:10 - 08:35LGW-OPO
2h 25mdirect
easyJet Logo
06:40 - 09:00OPO-LGW
2h 20mdirect
€96easyJet
Find Deal
Mon, 6 Oct - Thu, 9 Oct
Air Europa Logo
10:00 - 19:20LGW-OPO
9h 20m1 stop
Air Europa Logo
20:10 - 09:00OPO-LGW
12h 50m1 stop
€133Air Europa
Find Deal
Tue, 18 Nov - Fri, 21 Nov
TAP AIR PORTUGAL Logo
13:40 - 18:55LHR-OPO
5h 15m1 stop
TAP AIR PORTUGAL Logo
10:55 - 17:30OPO-LHR
6h 35m1 stop
€158TAP AIR PORTUGAL
Find Deal
Sun, 2 Nov - Wed, 5 Nov
 Logo
15:15 - 08:20LHR-OPO
17h 05m1 stop
 Logo
19:05 - 14:25OPO-LHR
19h 20m1 stop
€171
Find Deal
Thu, 22 Jan - Fri, 23 Jan
KLM Logo
11:15 - 22:25LHR-OPO
11h 10m1 stop
KLM Logo
11:15 - 17:00OPO-LHR
5h 45m1 stop
€173KLM
Find Deal
Sat, 24 Jan - Mon, 26 Jan
 Logo
18:50 - 08:10LHR-OPO
13h 20m1 stop
 Logo
16:10 - 22:40OPO-LHR
6h 30m1 stop
€188
Find Deal
Mon, 27 Oct - Mon, 3 Nov
TAP AIR PORTUGAL Logo
06:00 - 13:00LHR-OPO
7h 00m1 stop
TAP AIR PORTUGAL Logo
16:05 - 21:35OPO-LHR
5h 30m1 stop
€205TAP AIR PORTUGAL
Find Deal
Mon, 3 Nov - Wed, 5 Nov
KLM Logo
10:00 - 15:25LHR-OPO
5h 25m1 stop
KLM Logo
09:25 - 17:00OPO-LHR
7h 35m1 stop
€212KLM
Find Deal
Fri, 28 Nov - Sat, 6 Dec

easyJet flights from London to Porto

Our best easyJet deals on London to Porto flight tickets
easyJet
6 Oct
LGW06:10London Gatwick
2h 25m
OPO08:35Porto
8 Oct
OPO06:55Porto
2h 25m
LGW09:20London Gatwick
easyJet
7 Oct
LGW09:15London Gatwick
2h 25m
OPO11:40Porto
15 Oct
OPO06:55Porto
2h 25m
LGW09:20London Gatwick
easyJet
6 Oct
LGW06:10London Gatwick
2h 25m
OPO08:35Porto
9 Oct
OPO06:40Porto
2h 20m
LGW09:00London Gatwick

Air Europa flights from London to Porto

Our best Air Europa deals on London to Porto flight tickets
Air Europa
18 Nov
LGW10:00London Gatwick
9h 20m
1 stop
OPO19:20Porto
21 Nov
OPO20:10Porto
12h 50m
1 stop
LGW09:00London Gatwick
Air Europa
27 Sept
LGW17:25London Gatwick
13h 25m
1 stop
OPO06:50Porto
29 Sept
OPO20:10Porto
12h 50m
1 stop
LGW09:00London Gatwick

momondo Fare Finder

 
Customise your flight search to find flights from London to Porto 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, momondo users made 13,528 searches. Data last updated 13 September 2025.
Use the filters below to find and compare flights from London to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonPorto

LGW - OPO

LGWOPO

London Gatwick

Mon 6/10

06:10-08:35

Nonstop2h 25m

Porto

Wed 8/10

06:55-09:20

Nonstop2h 25m

€94

LondonPorto

LGW - OPO

LGWOPO

London Gatwick

Tue 7/10

09:15-11:40

Nonstop2h 25m

Porto

Wed 15/10

06:55-09:20

Nonstop2h 25m

€95

LondonPorto

LGW - OPO

LGWOPO

London Gatwick

Mon 6/10

06:10-08:35

Nonstop2h 25m

Porto

Thu 9/10

06:40-09:00

Nonstop2h 20m

€96

LondonPorto

LGW - OPO

LGWOPO

London Gatwick

Tue 18/11

10:00-19:20

1 stop9h 20m

Porto

Fri 21/11

20:10-09:00

1 stop12h 50m

€133

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sun 2/11

13:40-18:55

1 stop5h 15m

Porto

Wed 5/11

10:55-17:30

1 stop6h 35m

€158

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 22/1

15:15-08:20

1 stop17h 05m

Porto

Fri 23/1

19:05-14:25

1 stop19h 20m

€171

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 24/1

11:15-22:25

1 stop11h 10m

Porto

Mon 26/1

11:15-17:00

1 stop5h 45m

€173

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 27/10

18:50-08:10

1 stop13h 20m

Porto

Mon 3/11

16:10-22:40

1 stop6h 30m

€188

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 3/11

06:00-13:00

1 stop7h 00m

Porto

Wed 5/11

16:05-21:35

1 stop5h 30m

€205

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Fri 28/11

10:00-15:25

1 stop5h 25m

Porto

Sat 6/12

09:25-17:00

1 stop7h 35m

€212

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Porto from

How to get the cheapest flight ticket from London to Porto

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between London and Porto?

What is the cheapest month to fly to Porto?

The cheapest month to fly to Porto from London is in January. Flight prices, which tend to average around €81, are often lower during this time because this is during the off-season. If you are unable to visit Porto during the month of January, then departing from London during the month February is also very affordable. Most momondo users find prices during this month for around €99.

What is the cheapest London to Porto flight route?

Fly from London Gatwick to Porto for the best London - Porto flight prices

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

You are more likely to see cheaper flights to Porto from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around €236 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from London for as low as €198 on momondo.

What cabin class options are available on London to Porto flights?

There is only 1 cabin class available to choose from on London to Porto flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London to Porto flights?

You could potentially save up to 5% on your flight if you consider stops on a London to Porto flight.

How have London to Porto flight prices changed over time?

As of September 2025, prices for London to Porto flights are approximately 4% more expensive when compared to flights at the same time last year.

When to book flights from London to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from London to Porto according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to Porto (LON to OPO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Porto

Fastest flight time

2h 20m

Direct flights

Every day

Airports in Porto

1 airport
The fastest flight from London to Porto takes 2h 20m
Direct flights go from London to Porto every day.
There is 1 airport near Porto: Porto (OPO)
  • How far is London to Porto by plane?

    Porto is 1319.4 km away from London. 2h 20m is a normal flight duration for this route.

  • When did momondo last update prices for flights from London to Porto Airport?

    Prices for flights from London to Porto Airport were last updated today.

  • How old do you have to be to fly from London to Porto Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Porto Airport.

  • What documentation or ID do you need to fly to Porto Airport?

    The required travel and health documents for your Porto Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Porto Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from London to Porto?

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Matosinhos
Aveiro
Viseu
Vila Nova de Gaia
Chaves
Esposende
Braga
Coimbra
Pinhao
Lamego
Mira
Ponte de Lima
Caminha

Why use momondo?

Why should I use momondo to find a flight deal from London to Porto?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Porto for you.

Can I find flights from London to Porto with flexible booking policies on momondo?

All flight searches from London to Porto on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Porto?

momondo helps you find the best flight between London and Porto by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from London to Porto right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to Porto flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Porto trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 13/10
Mon 20/10

Find better results for your trip to Portugal