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Cheap flights from Portugal to London from £38

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 18/7. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — LON
9 Jul — 16 Jul1
1 adult

Cheap 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 July 2025.

Round-trip from

£70

One-way from

£38

Popular in

August

Cheapest in

March

Average price

£111

Good round-trip deal

£29 or less

Good one-way deal

£45 or less
Ryanair
  • Ryanair
  • 26/9-4/10
  • Nonstop
  • 4h 40m total
  • Portugal to London
Search Deals
easyJet
  • easyJet
  • 18/7
  • Nonstop
  • 2h 25m total
  • Portugal to London
Search Deals
Highest demand for flights based on searches. 30% potential increase in price (£22 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
Price to beat on a round-trip flight from Portugal to London (LON).
Search Deals
Price to beat on a one-way flight from Portugal to London (LON).
Search Deals

Find flight deals from Portugal to London

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 July 2025.

Fri 26/906:05OPO - STN
Nonstop2h 15mRyanair
Sat 4/1019:00STN - OPO
Nonstop2h 25mRyanair
Deal found 3/7£70
Sat 20/909:15OPO - STN
Nonstop2h 25mMultiple Airlines
Sun 28/906:40STN - OPO
Nonstop2h 25mMultiple Airlines
Deal found 2/7£78
Sat 20/906:55OPO - LGW
Nonstop2h 25measyJet
Sun 28/909:40LGW - OPO
Nonstop2h 20measyJet
Deal found 3/7£82
Tue 14/1022:00OPO - LGW
1 stop10h 30mMultiple Airlines
Sat 18/1021:20LGW - OPO
1 stop11h 30mMultiple Airlines
Deal found 3/7£103
Wed 10/906:20LIS - LGW
Nonstop2h 45measyJet
Mon 15/920:10LGW - LIS
Nonstop2h 50measyJet
Deal found 3/7£104
Mon 6/1021:30LIS - LTN
Nonstop2h 35measyJet
Sun 12/1007:35LTN - LIS
Nonstop2h 55measyJet
Deal found 2/7£104
Fri 1/822:10LIS - STN
1 stop13h 15mMultiple Airlines
Tue 26/820:25STN - LIS
Nonstop2h 55mMultiple Airlines
Deal found 2/7£104
Wed 6/807:15LIS - LGW
1 stop4h 05mTAP AIR PORTUGAL
Tue 26/812:10LGW - LIS
1 stop10h 05mTAP AIR PORTUGAL
Deal found 3/7£108
Thu 13/1119:50LIS - LHR
Nonstop2h 50mTAP AIR PORTUGAL
Sat 15/1118:30LHR - LIS
Nonstop2h 45mTAP AIR PORTUGAL
Deal found 2/7£108
Wed 13/805:55LIS - STN
Nonstop2h 45mRyanair
Wed 20/817:45STN - LIS
Nonstop2h 55mRyanair
Deal found 4/7£108
Fri 28/1114:00LIS - LGW
1 stop7h 00mVueling
Tue 2/1214:35LGW - LIS
1 stop6h 55mVueling
Deal found 4/7£110
Fri 5/1218:05OPO - LGW
Nonstop2h 20mBritish Airways
Tue 9/1214:15LGW - OPO
Nonstop2h 25mBritish Airways
Deal found 3/7£111

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 July 2025.
Use the filters below to find and compare flights from Portugal to London that are best for you.

Fly from

Portugal

Fly to

London

Route

Depart

Return

Price

PortoLondon

OPO - STN

OPOSTN

Porto

Fri 26/9

06:05-08:20

Nonstop2h 15m

London Stansted

Sat 4/10

19:00-21:25

Nonstop2h 25m

£70

PortoLondon

OPO - STN

OPOSTN

Porto

Sat 20/9

09:15-11:40

Nonstop2h 25m

London Stansted

Sun 28/9

06:40-09:05

Nonstop2h 25m

£78

PortoLondon

OPO - LGW

OPOLGW

Porto

Sat 20/9

06:55-09:20

Nonstop2h 25m

London Gatwick

Sun 28/9

09:40-12:00

Nonstop2h 20m

£82

PortoLondon

OPO - LGW

OPOLGW

Porto

Tue 14/10

22:00-08:30

1 stop10h 30m

London Gatwick

Sat 18/10

21:20-08:50

1 stop11h 30m

£103

LisbonLondon

LIS - LGW

LISLGW

Lisbon Humberto Delgado

Wed 10/9

06:20-09:05

Nonstop2h 45m

London Gatwick

Mon 15/9

20:10-23:00

Nonstop2h 50m

£104

LisbonLondon

LIS - LTN

LISLTN

Lisbon Humberto Delgado

Mon 6/10

21:30-00:05

Nonstop2h 35m

London Luton

Sun 12/10

07:35-10:30

Nonstop2h 55m

£104

LisbonLondon

LIS - STN

LISSTN

Lisbon Humberto Delgado

Fri 1/8

22:10-11:25

1 stop13h 15m

London Stansted

Tue 26/8

20:25-23:20

Nonstop2h 55m

£104

LisbonLondon

LIS - LGW

LISLGW

Lisbon Humberto Delgado

Wed 6/8

07:15-11:20

1 stop4h 05m

London Gatwick

Tue 26/8

12:10-22:15

1 stop10h 05m

£108

LisbonLondon

LIS - LHR

LISLHR

Lisbon Humberto Delgado

Thu 13/11

19:50-22:40

Nonstop2h 50m

London Heathrow

Sat 15/11

18:30-21:15

Nonstop2h 45m

£108

LisbonLondon

LIS - STN

LISSTN

Lisbon Humberto Delgado

Wed 13/8

05:55-08:40

Nonstop2h 45m

London Stansted

Wed 20/8

17:45-20:40

Nonstop2h 55m

£108

Flights are sorted by cheapest return flights first.

Deals found on 3/7

Showing 1-10 of 60 results
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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

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 £112). Flying from Portugal to London in August is currently the most expensive (average of £164). 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 July 2025.

It’s typically best to fly out from Portugal to London in the evening. Doing so could potentially save you 16% on the flight price compared to flying in the afternoon, 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 29 June 2025.

Travellers seeking maximum savings on their Portugal to London flight should consider departing on Wednesday evenings when fares are most often at their lowest. Thursday 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 July 2025.

The most flights from PT0 to LON are scheduled on a Thursday (89 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (12 on average).

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 July 2025.
Read reviews from past customers who have flown with KLM, Air France, andSWISS 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.
KLM
7.8
Good
1,367 reviews
Check prices

Comfort

7.7

Food

7.2

Overall

7.8

Crew

8.4

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,367 reviews
KLM
7.8
Good
1,367 reviews
Check prices

Comfort

7.7

Food

7.2

Overall

7.8

Crew

8.4

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air France
7.5
Good
1,465 reviews
KLM
7.8
Good
1,367 reviews
Check prices

Comfort

7.7

Food

7.2

Overall

7.8

Crew

8.4

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
SWISS
7.5
Good
1,654 reviews
KLM
7.8
Good
1,367 reviews
Check prices

Comfort

7.7

Food

7.2

Overall

7.8

Crew

8.4

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Scandinavian Airlines
7.3
Good
1,410 reviews
KLM
7.8
Good
1,367 reviews
Check prices

Comfort

7.7

Food

7.2

Overall

7.8

Crew

8.4

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Brussels Airlines
7.3
Good
352 reviews
KLM
7.8
Good
1,367 reviews
Check prices

Comfort

7.7

Food

7.2

Overall

7.8

Crew

8.4

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

  • 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 easyJet (£38), Ryanair (£39), and Vueling (£47).

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

    The most popular flight routes from Portugal to London are Lisbon Humberto Delgado - London Luton, Porto - London Gatwick and Lisbon Humberto Delgado - London Stansted.

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

    Consider Cathay Pacific (87%), Finnair (87%) or Japan Airlines (78%) 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 £706 for a flight from Portugal to London. The cheapest flight overall is £76 while the most popular route, (Lisbon Humberto Delgado - London Luton) is currently priced at £75.

  • 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 £112). Flying from Portugal to London in August is currently the most expensive (average of £164). 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 Portugal?

Book flights to Portugal if you plan to visit one of these locations
Hounslow
Croydon
Milton Keynes
Deal
Gatwick
Luton
Slough
Wembley
Crawley
Eastbourne
Ilford
Hayes
Folkestone
Southend-on-Sea
Watford
Ipswich
Winchester
Maidstone
Guildford
Chichester

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.
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Top 6 airlines flying from Portugal to London

Discover the top 6 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 July 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£13Average£112FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Wizz AirCheapest£15Average£128FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
easyJetCheapest£31Average£133FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£43Average£166FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Jet2Cheapest£56Average£205FlexibilityNo cancel feeOn-timeN/A
Search Jet2 flights
TAP AIR PORTUGALCheapest£77Average£168FlexibilityNo 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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