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Cheap flights from Portugal to the United Kingdom from £20

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portugal to the United Kingdom departing on 15/10. 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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Find the cheapest flights from Portugal to the United Kingdom

Recent return flight deals from Portugal to the United Kingdom

Ryanair Logo
05:55 - 08:40LIS-STN
2h 45mdirect
Ryanair Logo
12:55 - 15:50STN-LIS
2h 55mdirect
£42Ryanair
Find Deal
jeu., 9 oct. - lun., 13 oct.
Ryanair Logo
05:55 - 08:40LIS-STN
2h 45mdirect
Ryanair Logo
06:15 - 09:10STN-LIS
2h 55mdirect
£43Ryanair
Find Deal
jeu., 9 oct. - mar., 14 oct.
easyJet Logo
16:40 - 19:00OPO-LGW
2h 20mdirect
easyJet Logo
06:30 - 09:00LGW-OPO
2h 30mdirect
£59easyJet
Find Deal
mer., 24 déc. - sam., 3 janv.
easyJet Logo
16:40 - 19:00OPO-LGW
2h 20mdirect
easyJet Logo
09:35 - 12:05LGW-OPO
2h 30mdirect
£60easyJet
Find Deal
mer., 24 déc. - lun., 5 janv.
Vueling Logo
20:05 - 08:40OPO-LGW
12h 35m1 stop
Vueling Logo
16:25 - 08:10LGW-OPO
15h 45m1 stop
£82Vueling
Find Deal
mar., 25 nov. - lun., 1 déc.
Vueling Logo
20:05 - 08:40OPO-LGW
12h 35m1 stop
Vueling Logo
16:25 - 08:10LGW-OPO
15h 45m1 stop
£83Vueling
Find Deal
sam., 29 nov. - lun., 1 déc.
British Airways Logo
18:05 - 20:25OPO-LGW
2h 20mdirect
British Airways Logo
16:50 - 19:15LGW-OPO
2h 25mdirect
£92British Airways
Find Deal
ven., 16 janv. - dim., 18 janv.
British Airways Logo
20:05 - 22:25OPO-LGW
2h 20mdirect
British Airways Logo
13:40 - 16:05LGW-OPO
2h 25mdirect
£93British Airways
Find Deal
sam., 29 nov. - jeu., 4 déc.
TAP AIR PORTUGAL Logo
20:10 - 22:55LIS-LHR
2h 45mdirect
TAP AIR PORTUGAL Logo
19:50 - 22:35LHR-LIS
2h 45mdirect
£107TAP AIR PORTUGAL
Find Deal
jeu., 25 sept. - lun., 29 sept.
TAP AIR PORTUGAL Logo
18:45 - 21:35LIS-LHR
2h 50mdirect
TAP AIR PORTUGAL Logo
18:30 - 21:15LHR-LIS
2h 45mdirect
£108TAP AIR PORTUGAL
Find Deal
sam., 10 janv. - mar., 13 janv.

KLM flights from Portugal to United Kingdom

Our best KLM deals on Portugal to United Kingdom flight tickets
KLM
22 Dec
OPO16:10Porto
4h 40m
1 stop
LHR20:50London Heathrow
6 Jan
LHR10:00London Heathrow
5h 25m
1 stop
OPO15:25Porto
£159
Find similar
KLM
13 Aug
LIS19:30Lisbon Humberto Delgado
12h 10m
1 stop
LHR07:40London Heathrow
21 Aug
LHR06:30London Heathrow
8h 05m
1 stop
LIS14:35Lisbon Humberto Delgado
£190
Find similar
KLM
11 Aug
LIS19:30Lisbon Humberto Delgado
12h 10m
1 stop
LHR07:40London Heathrow
20 Aug
LHR08:40London Heathrow
5h 55m
1 stop
LIS14:35Lisbon Humberto Delgado
£196
Find similar

TAP AIR PORTUGAL flights from Portugal to United Kingdom

Our best TAP AIR PORTUGAL deals on Portugal to United Kingdom flight tickets
TAP AIR PORTUGAL
25 Sept
LIS20:10Lisbon Humberto Delgado
2h 45m
LHR22:55London Heathrow
29 Sept
LHR19:50London Heathrow
2h 45m
LIS22:35Lisbon Humberto Delgado
£107
Find similar
TAP AIR PORTUGAL
10 Jan
LIS18:45Lisbon Humberto Delgado
2h 50m
LHR21:35London Heathrow
13 Jan
LHR18:30London Heathrow
2h 45m
LIS21:15Lisbon Humberto Delgado
£108
Find similar
TAP AIR PORTUGAL
25 Sept
LIS20:10Lisbon Humberto Delgado
2h 45m
LHR22:55London Heathrow
29 Sept
LHR19:50London Heathrow
2h 45m
LIS22:35Lisbon Humberto Delgado
£110
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Portugal to United Kingdom 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 279,928 searches. Data last updated 1 août 2025.
Use the filters below to find and compare flights from Portugal to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LisbonLondon

LIS - STN

LISSTN

Lisbon Humberto Delgado

jeu. 9/10

05:55-08:40

Nonstop2h 45m

London Stansted

lun. 13/10

12:55-15:50

Nonstop2h 55m

£42

LisbonLondon

LIS - STN

LISSTN

Lisbon Humberto Delgado

jeu. 9/10

05:55-08:40

Nonstop2h 45m

London Stansted

mar. 14/10

06:15-09:10

Nonstop2h 55m

£43

PortoLondon

OPO - LGW

OPOLGW

Porto

mer. 24/12

16:40-19:00

Nonstop2h 20m

London Gatwick

sam. 3/1

06:30-09:00

Nonstop2h 30m

£59

PortoLondon

OPO - LGW

OPOLGW

Porto

mer. 24/12

16:40-19:00

Nonstop2h 20m

London Gatwick

lun. 5/1

09:35-12:05

Nonstop2h 30m

£60

PortoLondon

OPO - LGW

OPOLGW

Porto

mar. 25/11

20:05-08:40

1 stop12h 35m

London Gatwick

lun. 1/12

16:25-08:10

1 stop15h 45m

£82

PortoLondon

OPO - LGW

OPOLGW

Porto

sam. 29/11

20:05-08:40

1 stop12h 35m

London Gatwick

lun. 1/12

16:25-08:10

1 stop15h 45m

£83

PortoLondon

OPO - LGW

OPOLGW

Porto

ven. 16/1

18:05-20:25

Nonstop2h 20m

London Gatwick

dim. 18/1

16:50-19:15

Nonstop2h 25m

£92

PortoLondon

OPO - LGW

OPOLGW

Porto

sam. 29/11

20:05-22:25

Nonstop2h 20m

London Gatwick

jeu. 4/12

13:40-16:05

Nonstop2h 25m

£93

LisbonLondon

LIS - LHR

LISLHR

Lisbon Humberto Delgado

jeu. 25/9

20:10-22:55

Nonstop2h 45m

London Heathrow

lun. 29/9

19:50-22:35

Nonstop2h 45m

£107

LisbonLondon

LIS - LHR

LISLHR

Lisbon Humberto Delgado

sam. 10/1

18:45-21:35

Nonstop2h 50m

London Heathrow

mar. 13/1

18:30-21:15

Nonstop2h 45m

£108

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 the United Kingdom from

How to get the cheapest flight ticket from Portugal to United Kingdom

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 United Kingdom?

The cheapest month to fly to United Kingdom from Portugal is in March. Flight prices, which tend to average around £82, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of March, then departing from Portugal during the month January is also very affordable. Most momondo users find prices during this month for around £83.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from Portugal to United Kingdom is on a Wednesday. Travellers who choose to depart for United Kingdom on a Wednesday will often find tickets for as low as £132. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Portugal to United Kingdom for around £159.

What is the cheapest time of day to depart on your flight to United Kingdom?

The cheapest time of day to fly to United Kingdom is at midday when flights can be purchased for as low as £131. Try not to purchase tickets in the morning because they tend to be around £144. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Portugal to United Kingdom flight route?

Fly from Faro to London Stansted for the best Portugal - United Kingdom flight prices

How far in advance should I book a flight to United Kingdom?

You are more likely to see cheaper flights to United Kingdom from Portugal when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £170 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Portugal for as low as £118 on momondo.

What cabin class options are available on Portugal to United Kingdom flights?

There are 3 cabin classes available to choose from on Portugal to United Kingdom 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 Portugal to United Kingdom flights?

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

Cheap Portugal to United Kingdom flight deals and tips

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

Best price found

£20

Fastest flight time

2h 15m

Direct flights

Every day

Airports in United Kingdom

3 airports
The best one-way flight to United Kingdom from Portugal in the past 72 hours is £20. The best return flight deal from Portugal to United Kingdom found on momondo in the last 72 hours is £42.
The fastest flight from Portugal to United Kingdom takes 2h 15m
Direct flights go from Portugal to United Kingdom every day.
There are 3 airports near United Kingdom: London Luton (LTN), London Stansted (STN), London Gatwick (LGW)
Search flight deals

  • When did momondo last update prices for flights from Portugal to United Kingdom?

    Prices for flights from Portugal to United Kingdom are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portugal to United Kingdom?

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

    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 Portugal to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The travel and health documents required for your trip to United Kingdom can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United Kingdom. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Portugal to United Kingdom?

Best airlines flying from Portugal to United Kingdom

Compare and see reviews for airlines that fly from Portugal to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £14Free CancellationRating
6.8
5,154 reviews
Search Ryanair flights
Wizz AirPriceFrom £15Free CancellationRating
6.0
144 reviews
Search Wizz Air flights
easyJetPriceFrom £18Free CancellationRating
6.9
1,822 reviews
Search easyJet flights
Jet2PriceFrom £29Free CancellationRating
8.3
164 reviews
Search Jet2 flights
British AirwaysPriceFrom £45Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
TAP AIR PORTUGALPriceFrom £86Free CancellationRating
7.1
1,933 reviews
Search TAP AIR PORTUGAL flights

Why use momondo?

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

Finding the right flight to United Kingdom from Portugal is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to United Kingdom quick and easy, saving you time and money.

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

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

How can momondo help me find flights from Portugal to United Kingdom?

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

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

Yes momondo offers price alerts on flights to United Kingdom from Portugal. 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 United Kingdom 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 the United Kingdom

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Popular flights according to clicks in the last 7 days on momondo
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