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Cheap flights from London to Portugal 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 Portugal departing on 29/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

easyJet Logo
06:10 - 08:35LGW-OPO
2h 25mdirect
easyJet Logo
06:40 - 09:00OPO-LGW
2h 20mdirect
€94easyJet
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Mon, 13 Oct - Thu, 16 Oct
easyJet Logo
09:35 - 12:05LGW-OPO
2h 30mdirect
easyJet Logo
12:35 - 14:55OPO-LGW
2h 20mdirect
€94easyJet
Find Deal
Mon, 2 Mar - Thu, 5 Mar
Air Europa Logo
10:00 - 19:20LGW-OPO
9h 20m1 stop
Air Europa Logo
07:35 - 16:25OPO-LGW
8h 50m1 stop
€133Air Europa
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Tue, 27 Jan - Tue, 3 Feb
British Airways Logo
07:00 - 09:55LHR-LIS
2h 55mdirect
British Airways Logo
15:55 - 18:40LIS-LHR
2h 45mdirect
€134British Airways
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Thu, 12 Feb - Thu, 5 Mar
Vueling Logo
09:55 - 16:55LHR-LIS
7h 00m1 stop
Vueling Logo
09:05 - 18:00LIS-LHR
8h 55m1 stop
€135Vueling
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Wed, 12 Nov - Tue, 18 Nov
British Airways Logo
07:00 - 09:55LHR-LIS
2h 55mdirect
British Airways Logo
07:00 - 10:00LIS-LHR
3h 00mdirect
€140British Airways
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Thu, 20 Nov - Thu, 27 Nov
TAP AIR PORTUGAL Logo
21:25 - 23:45LGW-OPO
2h 20mdirect
TAP AIR PORTUGAL Logo
06:30 - 08:50OPO-LGW
2h 20mdirect
€140TAP AIR PORTUGAL
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Sun, 2 Nov - Wed, 5 Nov
Air Europa Logo
10:00 - 19:15LGW-LIS
9h 15m1 stop
Air Europa Logo
07:40 - 16:25LIS-LGW
8h 45m1 stop
€140Air Europa
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Wed, 4 Mar - Tue, 10 Mar
Vueling Logo
09:55 - 16:55LHR-LIS
7h 00m1 stop
Vueling Logo
09:05 - 18:00LIS-LHR
8h 55m1 stop
€146Vueling
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Sat, 22 Nov - Mon, 1 Dec
TAP AIR PORTUGAL Logo
13:40 - 19:00LHR-OPO
5h 20m1 stop
TAP AIR PORTUGAL Logo
09:55 - 15:30OPO-LHR
5h 35m1 stop
€157TAP AIR PORTUGAL
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Thu, 6 Nov - Sun, 9 Nov

Vueling flights from London to Portugal

Our best Vueling deals on London to Portugal flight tickets
Vueling
12 Nov
LHR09:55London Heathrow
7h 00m
1 stop
LIS16:55Lisbon Humberto Delgado
18 Nov
LIS09:05Lisbon Humberto Delgado
8h 55m
1 stop
LHR18:00London Heathrow
€135
Find similar
Vueling
27 Sept
LGW08:30London Gatwick
6h 45m
1 stop
OPO15:15Porto
30 Sept
OPO20:15Porto
12h 40m
1 stop
LGW08:55London Gatwick
€140
Find similar
Vueling
22 Nov
LHR09:55London Heathrow
7h 00m
1 stop
LIS16:55Lisbon Humberto Delgado
1 Dec
LIS09:05Lisbon Humberto Delgado
8h 55m
1 stop
LHR18:00London Heathrow
€146
Find similar

Air Europa flights from London to Portugal

Our best Air Europa deals on London to Portugal flight tickets
Air Europa
27 Jan
LGW10:00London Gatwick
9h 20m
1 stop
OPO19:20Porto
3 Feb
OPO07:35Porto
8h 50m
1 stop
LGW16:25London Gatwick
€133
Find similar
Air Europa
4 Mar
LGW10:00London Gatwick
9h 15m
1 stop
LIS19:15Lisbon Humberto Delgado
10 Mar
LIS07:40Lisbon Humberto Delgado
8h 45m
1 stop
LGW16:25London Gatwick
€140
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London to Portugal 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 16 September 2025.
Use the filters below to find and compare flights from London to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonPorto

LGW - OPO

LGWOPO

London Gatwick

Mon 13/10

06:10-08:35

Nonstop2h 25m

Porto

Thu 16/10

06:40-09:00

Nonstop2h 20m

€94

LondonPorto

LGW - OPO

LGWOPO

London Gatwick

Mon 2/3

09:35-12:05

Nonstop2h 30m

Porto

Thu 5/3

12:35-14:55

Nonstop2h 20m

€94

LondonPorto

LGW - OPO

LGWOPO

London Gatwick

Tue 27/1

10:00-19:20

1 stop9h 20m

Porto

Tue 3/2

07:35-16:25

1 stop8h 50m

€133

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Thu 12/2

07:00-09:55

Nonstop2h 55m

Lisbon Humberto Delgado

Thu 5/3

15:55-18:40

Nonstop2h 45m

€134

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Wed 12/11

09:55-16:55

1 stop7h 00m

Lisbon Humberto Delgado

Tue 18/11

09:05-18:00

1 stop8h 55m

€135

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Thu 20/11

07:00-09:55

Nonstop2h 55m

Lisbon Humberto Delgado

Thu 27/11

07:00-10:00

Nonstop3h 00m

€140

LondonPorto

LGW - OPO

LGWOPO

London Gatwick

Sun 2/11

21:25-23:45

Nonstop2h 20m

Porto

Wed 5/11

06:30-08:50

Nonstop2h 20m

€140

LondonLisbon

LGW - LIS

LGWLIS

London Gatwick

Wed 4/3

10:00-19:15

1 stop9h 15m

Lisbon Humberto Delgado

Tue 10/3

07:40-16:25

1 stop8h 45m

€140

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Sat 22/11

09:55-16:55

1 stop7h 00m

Lisbon Humberto Delgado

Mon 1/12

09:05-18:00

1 stop8h 55m

€146

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 6/11

13:40-19:00

1 stop5h 20m

Porto

Sun 9/11

09:55-15:30

1 stop5h 35m

€157

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portugal from

How to get the cheapest flight ticket from London to Portugal

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 cheapest month to fly to Portugal?

The month of January is, on average, the cheapest month to fly to Portugal from London, with most prices found around €97. If you’re not able to fly to Portugal in January, then March is your next best option. Flight prices from London to Portugal during March average around €128.

What is the cheapest day to depart on your flight to Portugal?

The cheapest day to depart from London to Portugal is on a Sunday when prices can be found for as low as €221. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around €936. These prices are subject to change though, so be sure to set up a Price Alert for flights to Portugal.

What is the cheapest London to Portugal flight route?

Fly from London Gatwick to Faro for the best London - Portugal flight prices

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

You are more likely to see cheaper flights to Portugal from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around €224 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from London for as low as €180 on momondo.

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

There is only 1 cabin class available to choose from on London to Portugal 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 Portugal flights?

No. A direct flight is the cheapest option for a flight between London to Portugal.

Cheap London to Portugal flight deals and tips

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

Best price found

€3,007

Fastest flight time

2h 20m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sun

Airports in Portugal

1 airport
The best flight deal from London to Portugal found on momondo in the last 72 hours is €3,007
The fastest flight from London to Portugal takes 2h 20m
Direct flights go from London to Portugal on Monday, Tuesday, Wednesday, Thursday, Friday and Sunday. There are no airlines offering direct flights..
There is 1 airport near Portugal: Porto (OPO)
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  • When did momondo last update prices for flights from London to Portugal?

    Prices for flights from London to Portugal were last updated today.

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

    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 Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The required travel and health documents for your Portugal 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 Portugal. 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 Portugal?

Why use momondo?

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

It is quick and easy to find London to Portugal flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Portugal that suits you.

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

momondo does allow users to show only those flights to Portugal from London which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Portugal from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Portugal from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Portugal 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.
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Find better results for your trip to Portugal

Popular Cities in Portugal

Popular flights according to clicks in the last 7 days on momondo
Flights to Lisbonfrom €60
Flights to Farofrom €60
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Flights to Ponta Delgadafrom €214
Flights to Lajesfrom €220
Flights to Porto Santofrom €254