Cheap flights from Portugal to London from £34

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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — LON
3 Jun — 10 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portugal to London

Enter your travel dates to find the best prices.

Cheapest flights from Portugal to London
Explore the most affordable flight options available from Portugal to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 May 2026.

Thu 28/506:40
OPO
-
LGW
Nonstop2h 25m
easyJet
Mon 1/620:55
LGW
-
OPO
Nonstop2h 40m
easyJet
Deal found 30/4£66
Wed 17/607:05
OPO
-
STN
Nonstop2h 25m
Ryanair
Wed 24/612:05
STN
-
OPO
1 stop5h 45m
Ryanair
Deal found 3/5£67
Sat 23/508:30
OPO
-
LGW
Nonstop2h 25m
easyJet
Mon 1/620:55
LGW
-
OPO
Nonstop2h 40m
easyJet
Deal found 1/5£67
Fri 12/609:20
OPO
-
LTN
Nonstop2h 20m
easyJet
Tue 16/614:30
LTN
-
OPO
Nonstop2h 30m
easyJet
Deal found 30/4£67
Sat 23/521:50
OPO
-
STN
Nonstop2h 25m
Ryanair
Tue 26/521:15
STN
-
OPO
Nonstop2h 25m
Ryanair
Deal found 1/5£68
Thu 7/521:30
OPO
-
STN
Nonstop2h 25m
Ryanair
Mon 11/509:05
STN
-
OPO
Nonstop2h 25m
Ryanair
Deal found 29/4£68
Thu 24/1210:15
OPO
-
LTN
Nonstop2h 25m
easyJet
Thu 31/1207:15
LTN
-
OPO
Nonstop2h 30m
easyJet
Deal found 1/5£68
Sat 6/621:50
OPO
-
STN
Nonstop2h 25m
Ryanair
Fri 12/617:10
STN
-
OPO
Nonstop2h 25m
Ryanair
Deal found 29/4£69
Thu 18/606:40
OPO
-
LGW
Nonstop2h 25m
easyJet
Sat 27/620:40
LGW
-
OPO
Nonstop2h 30m
easyJet
Deal found 3/5£69
Sat 13/607:05
OPO
-
STN
Nonstop2h 25m
Ryanair
Sat 20/606:45
STN
-
OPO
1 stop10h 30m
Ryanair
Deal found 29/4£71
Thu 28/506:40
OPO
-
LGW
Nonstop2h 25m
easyJet
Mon 1/620:55
LGW
-
OPO
Nonstop2h 40m
easyJet
Deal found 2/5£71
Fri 19/620:00
OPO
-
STN
Nonstop2h 25m
Ryanair
Mon 29/616:15
STN
-
OPO
1 stop15h 15m
Ryanair
Deal found 2/5£72

Find flight deals from Portugal to London

Keep the following information in mind while searching for Portugal to London flight deals. Data was last updated 4 May 2026.

Round-trip from

£66

One-way from

£34

Popular in

August

Cheapest in

November

Average price

£51

Good round-trip deal

£22 or less

Good one-way deal

£36 or less
easyJet
  • easyJet
  • 28/5-1/6
  • Nonstop
  • 5h 05m total
  • Portugal to London
Ryanair
  • Ryanair
  • 6/6
  • Nonstop
  • 2h 25m total
  • Portugal to London
Highest demand for flights based on searches. 31% potential increase in price (£23 potential increase over avg. return price).
Cheapest flight prices on average. 7% potential price decrease (£4 potential savings vs. average return price).
Average for round-trip flights in May 2026
Price to beat on a round-trip flight from Portugal to London (LON).
Price to beat on a one-way flight from Portugal to London (LON).

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portugal 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 858,174 searches. Data last updated 4 May 2026.
Use the filters below to find and compare flights from Portugal to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

PortoLondon

OPO - STN

OPOSTN

Porto

Sat 16/5

21:50-00:15

Nonstop2h 25m

London Stansted

Mon 18/5

13:05-15:30

Nonstop2h 25m

£75

LisbonLondon

LIS - LTN

LISLTN

Lisbon Humberto Delgado

Wed 17/6

21:35-00:10

Nonstop2h 35m

London Luton

Sun 21/6

07:05-15:00

1 stop7h 55m

£83

PortoLondon

OPO - STN

OPOSTN

Porto

Mon 6/7

20:50-23:15

Nonstop2h 25m

London Stansted

Tue 7/7

21:15-23:40

Nonstop2h 25m

£83

PortoLondon

OPO - LGW

OPOLGW

Porto

Thu 11/6

06:40-09:05

Nonstop2h 25m

London Gatwick

Tue 16/6

20:50-23:20

Nonstop2h 30m

£84

LisbonLondon

LIS - LTN

LISLTN

Lisbon Humberto Delgado

Fri 12/6

21:40-00:15

Nonstop2h 35m

London Luton

Mon 15/6

18:05-20:55

Nonstop2h 50m

£85

PortoLondon

OPO - STN

OPOSTN

Porto

Fri 19/6

21:35-10:15

1 stop12h 40m

London Stansted

Mon 29/6

16:15-07:30

1 stop15h 15m

£85

PortoLondon

OPO - LGW

OPOLGW

Porto

Tue 20/10

06:15-08:40

Nonstop2h 25m

London Gatwick

Wed 21/10

20:25-22:55

Nonstop2h 30m

£86

PortoLondon

OPO - STN

OPOSTN

Porto

Fri 10/7

06:15-08:40

Nonstop2h 25m

London Stansted

Tue 14/7

21:15-23:40

Nonstop2h 25m

£87

PortoLondon

OPO - LGW

OPOLGW

Porto

Fri 19/6

06:35-09:00

Nonstop2h 25m

London Gatwick

Mon 29/6

20:55-23:35

Nonstop2h 40m

£88

LisbonLondon

LIS - LGW

LISLGW

Lisbon Humberto Delgado

Thu 28/5

06:40-09:20

Nonstop2h 40m

London Gatwick

Mon 1/6

20:25-23:15

Nonstop2h 50m

£89

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Portugal to London

Have a flexible travel schedule? Discover the best time to fly to London from Portugal with our price prediction graph.
Estimated return 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 Portugal to London

How far ahead should I book a flight from Portugal to London?

The price you pay for your flight from Portugal to London may vary depending on when you book. For the best chance of a lower fare, look to book 46 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 Portugal to London?

Currently, January is the cheapest month in which you can book a flight from Portugal to London (average of £71). Flying from Portugal to London in August is currently the most expensive (average of £192). 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 PT to LON?

Find hourly flight availability from Portugal 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 4 May 2026.

It’s typically best to fly out from Portugal to London in the evening. Doing so could potentially save you 33% on the flight price compared to flying in the morning, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly return from Portugal to London. Price data was last updated on 2 May 2026.

Travellers seeking maximum savings on their Portugal to London flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Portugal to London

Explore weekly flight availability from Portugal 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 4 May 2026.

The most flights from PT0 to LON are scheduled on a Sunday (83 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (35 on average).

How often are flights from Portugal to London delayed?

About 24% of weekly flights between Portugal and London have experienced delays in the past year, with the average delay time being 113 minutes.

What is the most punctual flight time for Portugal to London flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Portugal to London flights?

Over the past year, British Airways have had the lowest number of delays on this route, with just 19% of flights being delayed.

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 4 May 2026.
Read reviews from past customers who have flown with TAP AIR PORTUGAL,Ryanair, andeasyJet from Portugal to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

6.2

Comfort

7.1

Crew

7.8

Overall

7.2

Boarding

7.0

Entertainment

6.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LIS - EWR

Both flights returning to newirk airport was delayed by over a hour with minimum early notification

Food

6.2

Comfort

7.1

Crew

7.8

Overall

7.2

Boarding

7.0

Entertainment

6.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LIS - EWR

Both flights returning to newirk airport was delayed by over a hour with minimum early notification

Food

6.2

Comfort

7.1

Crew

7.8

Overall

7.2

Boarding

7.0

Entertainment

6.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LIS - EWR

Both flights returning to newirk airport was delayed by over a hour with minimum early notification

Food

6.2

Comfort

7.1

Crew

7.8

Overall

7.2

Boarding

7.0

Entertainment

6.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LIS - EWR

Both flights returning to newirk airport was delayed by over a hour with minimum early notification

Food

6.2

Comfort

7.1

Crew

7.8

Overall

7.2

Boarding

7.0

Entertainment

6.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LIS - EWR

Both flights returning to newirk airport was delayed by over a hour with minimum early notification

Food

6.2

Comfort

7.1

Crew

7.8

Overall

7.2

Boarding

7.0

Entertainment

6.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LIS - EWR

Both flights returning to newirk airport was delayed by over a hour with minimum early notification

Related info for your journey

Find useful and relevant information for your journey from Portugal to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Portugal to London?

    Airlines like Ryanair, easyJet, and Vueling fly from Portugal to London in about 2h 25m. The time it takes to get you to your destination can typically vary by up to 13h 35m. Airlines will cover a distance of 846 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    The cheapet airlines for a one-way flight from Portugal to London are Ryanair (£13), Wizz Air (£16), and Jet2 (£19).

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

  • What are the most reliable airlines from Portugal to London?

    Consider American Airlines (86%), Cathay Pacific (81%) or Japan Airlines (80%) when booking your flight. These represent the most reliable airlines when flying from Portugal to London.

  • What are the cheapest flights from Portugal to London?

    On average you can expect to pay £191 for a flight from Portugal to London. The cheapest flight overall is £72 while the most popular route, (Porto - London Gatwick) is currently priced at £60.

  • Can I find deals for flights from Portugal to London that include hotel bookings?

    Yes. In addition to deals on Portugal to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portugal to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portugal to London.

  • Can I find deals for business class flights from Portugal to London?

    Yes. Cheapflights offers flight deals from Portugal 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 Portugal to London?

    Currently, January is the cheapest month in which you can book a flight from Portugal to London (average of £71). Flying from Portugal to London in August is currently the most expensive (average of £192). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Hounslow
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Ipswich
Southend-on-Sea
Guildford
Bishop's Stortford
Chelmsford

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Portugal to London

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Portugal to London

Discover the top 5 airlines that operate flights from Portugal 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 858,174 searches. Data last updated 4 May 2026.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£20Average£125FlexibilityNo cancel feeOn-time86%
Search easyJet flights
Wizz AirCheapest£33Average£125FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
RyanairCheapest£37Average£120FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£57Average£160FlexibilityNo cancel feeOn-time70%
Search British Airways flights
TAP AIR PORTUGALCheapest£104Average£195FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portugal to London?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to London from Portugal today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Portugal to London?

Millions of users choose and trust Cheapflights to book the best flight deals from Portugal to London for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Portugal to London with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Portugal to London, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Portugal to London become cheaper?

Yes, Cheapflights offers price alerts on Portugal to London flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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