Find flights
Airlines
FAQs

Cheap flights from Portsmouth to London from £76

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 19/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
LHR — LON
10 May — 17 May1
1 adult
Fri 10/5
Fri 17/5

When is the cheapest time to fly from Portsmouth to London (P0R - LON)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portsmouth to London as you normally would.

Cheap KLM flights from Portsmouth to London

Explore cheap flight options specifically provided by KLM for the route between Portsmouth and London. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 892,239 searches. Data last updated 5 May 2024.
Consider these cheap KLM flights we've found departing from Portsmouth to London. It's recommended that users confirm their flight details before booking.
Wed 29/519:40SOU - LHR
1 stop12h 00mKLM
Wed 5/620:55LHR - SOU
1 stop10h 30mKLM
Deal found 4/5£213
Wed 29/517:20SOU - LHR
1 stop3h 35mKLM
Wed 5/614:45LHR - SOU
1 stop4h 25mKLM
Deal found 5/5£225
Thu 30/519:40SOU - LHR
1 stop12h 00mKLM
Thu 6/620:55LHR - SOU
1 stop10h 30mKLM
Deal found 4/5£226
Wed 29/519:40SOU - LCY
1 stop12h 30mKLM
Wed 5/620:10LCY - SOU
1 stop11h 15mKLM
Deal found 4/5£239
Fri 31/519:40SOU - LHR
1 stop12h 00mKLM
Fri 7/620:55LHR - SOU
1 stop10h 30mKLM
Deal found 5/5£241
Thu 30/507:55SOU - LHR
1 stop8h 20mKLM
Thu 6/611:45LHR - SOU
1 stop7h 25mKLM
Deal found 5/5£284
Sat 22/607:55SOU - LCY
1 stop3h 45mKLM
Mon 24/609:20LCY - SOU
1 stop7h 30mKLM
Deal found 4/5£308
Thu 30/507:55SOU - LCY
1 stop8h 45mKLM
Thu 6/609:20LCY - SOU
1 stop7h 30mKLM
Deal found 4/5£325

Cheap British Airways flights from Portsmouth to London

Explore cheap flight options specifically provided by British Airways for the route between Portsmouth and London. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 892,239 searches. Data last updated 5 May 2024.
Some of the lowest-priced British Airways flights we've found at this time heading from Portsmouth to London. Ensure the flight price, dates, time, and airline match your criteria before you book.
Sat 11/509:55SOU - LHR
1 stop5h 05mBritish Airways
Sat 18/522:00LHR - SOU
1 stop10h 15mBritish Airways
Deal found 5/5£421
Sun 19/512:35SOU - LHR
1 stop9h 50mBritish Airways
Sun 26/507:55LHR - SOU
1 stop4h 05mBritish Airways
Deal found 5/5£508
Thu 30/516:30SOU - LCY
1 stop4h 30mBritish Airways
Thu 6/615:00LCY - SOU
1 stop3h 55mBritish Airways
Deal found 4/5£657
Fri 31/508:40SOU - LCY
1 stop4h 30mBritish Airways
Fri 7/615:00LCY - SOU
1 stop3h 55mBritish Airways
Deal found 4/5£726

Cheap Portsmouth to London flights in May & June 2024

Find cheap flight options from Portsmouth to London specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 892,239 searches. Prices were last updated on 5 May 2024.
The lowest fares we've come across on flights travelling from Portsmouth to London in May and June 2024. More deals are always being added, so be sure to check back regularly.
Sat 22/611:45SOU - LGW
1 stop9h 30measyJet
Mon 24/606:15LGW - SOU
1 stop4h 20measyJet
Deal found 4/5£181
Wed 29/519:40SOU - LHR
1 stop12h 00mKLM
Wed 5/611:45LHR - SOU
1 stop5h 05mKLM
Deal found 3/5£213
Thu 30/519:40SOU - LHR
1 stop12h 00mKLM
Thu 6/620:55LHR - SOU
1 stop10h 30mKLM
Deal found 3/5£226
Thu 30/519:40SOU - LHR
1 stop12h 00mKLM
Thu 6/620:55LHR - SOU
1 stop10h 30mKLM
Deal found 4/5£226
Sat 22/611:45SOU - LTN
1 stop9h 15mMultiple Airlines
Mon 24/607:15LTN - SOU
1 stop7h 55mMultiple Airlines
Deal found 4/5£237
Mon 27/519:40SOU - LHR
1 stop12h 00mKLM
Mon 3/620:55LHR - SOU
1 stop10h 30mKLM
Deal found 3/5£237
Wed 29/519:40SOU - LCY
1 stop11h 35mKLM
Wed 5/620:45LCY - SOU
1 stop10h 40mKLM
Deal found 4/5£239
Fri 31/517:20SOU - LHR
1 stop3h 35mKLM
Fri 7/620:55LHR - SOU
1 stop10h 30mKLM
Deal found 4/5£241
Wed 29/507:55SOU - LCY
1 stop8h 45mKLM
Wed 5/610:00LCY - SOU
1 stop6h 50mKLM
Deal found 5/5£264

Portsmouth to London 2024 flight deals

Discover exclusive flight deals for travel between Portsmouth and London in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 892,239 searches. Data last updated 5 May 2024.
The lowest fares we've come across on flights travelling from Portsmouth to London in May and June 2024. More deals are always being added, so be sure to check back regularly.
Sat 22/611:45SOU - LGW
1 stop9h 30measyJet
Mon 24/606:15LGW - SOU
1 stop4h 20measyJet
Deal found 4/5£181
Wed 29/519:40SOU - LHR
1 stop12h 00mKLM
Wed 5/611:45LHR - SOU
1 stop5h 05mKLM
Deal found 3/5£213
Thu 30/519:40SOU - LHR
1 stop12h 00mKLM
Thu 6/620:55LHR - SOU
1 stop10h 30mKLM
Deal found 3/5£226
Thu 30/519:40SOU - LHR
1 stop12h 00mKLM
Thu 6/620:55LHR - SOU
1 stop10h 30mKLM
Deal found 4/5£226
Sat 22/611:45SOU - LTN
1 stop9h 15mMultiple Airlines
Mon 24/607:15LTN - SOU
1 stop7h 55mMultiple Airlines
Deal found 4/5£237
Mon 27/519:40SOU - LHR
1 stop12h 00mKLM
Mon 3/620:55LHR - SOU
1 stop10h 30mKLM
Deal found 3/5£237
Wed 29/519:40SOU - LCY
1 stop11h 35mKLM
Wed 5/620:45LCY - SOU
1 stop10h 40mKLM
Deal found 4/5£239
Fri 31/517:20SOU - LHR
1 stop3h 35mKLM
Fri 7/620:55LHR - SOU
1 stop10h 30mKLM
Deal found 4/5£241
Wed 29/507:55SOU - LCY
1 stop8h 45mKLM
Wed 5/610:00LCY - SOU
1 stop6h 50mKLM
Deal found 5/5£264

Portsmouth to London flights leaving soon

Find last-minute flight options from Portsmouth to London for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 892,239 searches. Data last updated 5 May 2024.
Users seeking a last-minute flight from Portsmouth to London should consider booking one of these fares. It's wise to confirm all flight details are correct before booking.
Sat 11/516:15SOU - LHR
1 stop5h 20mMultiple Airlines
Sat 18/520:50LHR - SOU
2 stops23h 00mMultiple Airlines
Deal found 4/5£348
Sat 11/516:15SOU - LHR
1 stop5h 20mAer Lingus
Sat 18/519:40LHR - SOU
1 stop13h 30mAer Lingus
Deal found 4/5£351
Sat 11/519:50SOU - LCY
1 stop19h 15mMultiple Airlines
Sat 18/511:25LCY - SOU
1 stop23h 50mMultiple Airlines
Deal found 4/5£383
Sat 11/516:15SOU - LHR
2 stops17h 00mMultiple Airlines
Sat 18/520:50LHR - SOU
2 stops23h 00mMultiple Airlines
Deal found 4/5£385
Sat 11/508:20SOU - LGW
1 stop6h 00mMultiple Airlines
Sat 18/507:10LGW - SOU
1 stop11h 55mMultiple Airlines
Deal found 4/5£402
Sat 11/508:20SOU - LTN
1 stop5h 25mMultiple Airlines
Sat 18/511:10LTN - SOU
1 stop7h 55mMultiple Airlines
Deal found 4/5£407
Sat 11/509:55SOU - LHR
1 stop5h 05mBritish Airways
Sat 18/522:00LHR - SOU
1 stop10h 15mBritish Airways
Deal found 5/5£421
Sat 11/519:50SOU - LCY
2 stops19h 15mMultiple Airlines
Sat 18/512:10LCY - SOU
2 stops21h 00mMultiple Airlines
Deal found 4/5£581
Sat 11/511:05SOU - LGW
2 stops6h 25mAurigny Air
Sat 18/508:35LGW - SOU
1 stop5h 40mAurigny Air
Deal found 4/5£720

One-way flights to London from Portsmouth

Search for one-way flight options from Portsmouth to London. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 892,239 searches. Data last updated 5 May 2024.
Take a look at some of the one-way flights we've detected from Portsmouth to London. Those needing a return flight from Portsmouth to London can use the search form above.
Wed 19/609:00SOU - STN
1 stop8h 05measyJet
Deal found 4/5£76
Wed 19/609:00SOU - LGW
1 stop8h 35measyJet
Deal found 4/5£92
Mon 28/1012:30SOU - LHR
1 stop8h 15mMultiple Airlines
Deal found 4/5£96
Thu 29/815:00SOU - LTN
1 stop4h 10mMultiple Airlines
Deal found 5/5£110
Thu 29/815:00SOU - LGW
1 stop17h 10mMultiple Airlines
Deal found 5/5£119
Mon 28/1012:30SOU - LHR
2 stops9h 15mMultiple Airlines
Deal found 4/5£131
Wed 19/608:20SOU - LTN
1 stop12h 10mMultiple Airlines
Deal found 4/5£135
Mon 28/1009:15SOU - LHR
1 stop11h 45mAer Lingus
Deal found 4/5£146
Mon 28/1019:55SOU - STN
1 stop12h 25mMultiple Airlines
Deal found 4/5£155

Find flights from Portsmouth to London within your budget

Customise your flight search to find flights from Portsmouth 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 892,239 searches. Data last updated 5 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£181 - £625

Route

Depart

Return

Price

Southampton EastleighLondon Gatwick

SOU - LGW

SOULGW

Southampton Eastleigh

Sat 22/6

1 stop9h 30m

London Gatwick

Mon 24/6

1 stop4h 20m

£181

Southampton EastleighLondon Heathrow

SOU - LHR

SOULHR

Southampton Eastleigh

Wed 29/5

1 stop12h 00m

London Heathrow

Wed 5/6

1 stop10h 30m

£213

Southampton EastleighLondon Heathrow

SOU - LHR

SOULHR

Southampton Eastleigh

Wed 29/5

1 stop3h 35m

London Heathrow

Wed 5/6

1 stop4h 25m

£225

Southampton EastleighLondon Heathrow

SOU - LHR

SOULHR

Southampton Eastleigh

Thu 30/5

1 stop12h 00m

London Heathrow

Thu 6/6

1 stop10h 30m

£226

Southampton EastleighLondon Luton

SOU - LTN

SOULTN

Southampton Eastleigh

Sat 22/6

1 stop9h 15m

London Luton

Mon 24/6

1 stop7h 55m

£237

Southampton EastleighLondon City

SOU - LCY

SOULCY

Southampton Eastleigh

Wed 29/5

1 stop12h 30m

London City

Wed 5/6

1 stop11h 15m

£239

Southampton EastleighLondon Heathrow

SOU - LHR

SOULHR

Southampton Eastleigh

Fri 31/5

1 stop12h 00m

London Heathrow

Fri 7/6

1 stop10h 30m

£241

Southampton EastleighLondon Heathrow

SOU - LHR

SOULHR

Southampton Eastleigh

Sun 19/5

1 stop9h 50m

London Heathrow

Sun 26/5

1 stop4h 05m

£508

Southampton EastleighLondon Gatwick

SOU - LGW

SOULGW

Southampton Eastleigh

Sat 22/6

1 stop11h 00m

London Gatwick

Mon 24/6

2 stops14h 50m

£625

Flights are sorted by cheapest first

Deals found on 4/5

No data available for this route at this time. Please check back soon.

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 5 May 2024.
To help decide which airline to fly from Portsmouth to London, see what other customers have to say about KLM, British Airways and Aurigny Air. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.9
Good
1,604 reviews
Check prices

Overall

7.9

Boarding

7.8

Crew

8.4

Entertainment

7.2

Comfort

7.6

Food

7.3

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

KLM
7.9
Good
1,604 reviews
KLM
7.9
Good
1,604 reviews
Check prices

Overall

7.9

Boarding

7.8

Crew

8.4

Entertainment

7.2

Comfort

7.6

Food

7.3

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Aer Lingus
7.2
Good
1,340 reviews
KLM
7.9
Good
1,604 reviews
Check prices

Overall

7.9

Boarding

7.8

Crew

8.4

Entertainment

7.2

Comfort

7.6

Food

7.3

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

easyJet
6.9
Okay
2,756 reviews
KLM
7.9
Good
1,604 reviews
Check prices

Overall

7.9

Boarding

7.8

Crew

8.4

Entertainment

7.2

Comfort

7.6

Food

7.3

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

British Airways
6.8
Okay
6,874 reviews
KLM
7.9
Good
1,604 reviews
Check prices

Overall

7.9

Boarding

7.8

Crew

8.4

Entertainment

7.2

Comfort

7.6

Food

7.3

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Portsmouth to London for under £200 on Cheapflights?

    Yes, there are multiple flights from Portsmouth to London for under £200. The cheapest flight booked recently is on easyJet for just £181, but on average you can expect to pay £356.

  • Are there last-minute flights available from Portsmouth to London for under £400?

    There are currently 9+ open flights from Portsmouth to London within the next 7 days for less than £400.

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

    £76 is the cheapest one-way deal found within the past few days, from easyJet. You may also be able to find cheap deals on Aer Lingus and British Airways, with prices starting from £146 and £165, respectively.

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

    The most popular flight routes from Portsmouth to London are Southampton Eastleigh - London Heathrow, Southampton Eastleigh - London City and Southampton Eastleigh - London Gatwick.

  • What does LHR to LHR mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a London Heathrow Airport to London Heathrow Airport flight would often be abbreviated as a LHR to LHR flight. Ready for more IATA code knowledge? These are related airports for your current travel destination: London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), London Southend Airport (SEN).

  • Can I find deals for flights from Portsmouth to London that include extra baggage allowance?

    The amount of baggage you can bring on your Portsmouth to London flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Portsmouth to London with specific airlines?

    Yes, Cheapflights allows you to browse and filter Portsmouth to London flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portsmouth 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.

  • Can I find deals for flights from Portsmouth to London that allow pets onboard?

    Many airlines flying from Portsmouth to London offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Portsmouth to London?

    Yes, you can often find last-minute deals on Portsmouth to London flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Portsmouth to London flight deals updated?

    The Portsmouth to London flight deals you see on this page were last updated on 5/5.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portsmouth to London
See prices for flight routes from nearby airports that may be better suited for you.

Heathrow to Manchester flights
Gatwick to Manchester flights
Manchester to Heathrow flights
London City to Manchester flights
Luton to Manchester flights
Stansted to Manchester flights
Manchester to London City flights
Manchester to Gatwick flights
Heathrow to Birmingham flights
Gatwick to Newquay flights
Manchester to Stansted flights
Exeter to Heathrow flights
Heathrow to Newcastle upon Tyne flights
Leeds to Heathrow flights
London City to Birmingham flights
Exeter to London City flights
Heathrow to Newquay flights
Manchester to Luton flights
Newcastle upon Tyne to Heathrow flights
London City to Newquay flights
Bristol to Heathrow flights
Heathrow to Liverpool flights
Leeds to London City flights
Manchester to Newquay flights
Gatwick to Liverpool flights
Southampton to Heathrow flights
Southampton to Manchester flights
Heathrow to Gatwick flights
Birmingham to Heathrow flights
Heathrow to Bristol flights
Gatwick to Birmingham flights
Newcastle upon Tyne to London City flights
Gatwick to Newcastle upon Tyne flights
Southend to Manchester flights
Newcastle upon Tyne to Gatwick flights
Southampton to London City flights
London City to Newcastle upon Tyne flights
Luton to Liverpool flights
Stansted to Liverpool flights
Leeds to Gatwick flights
Gatwick to Bristol flights
Luton to Newcastle upon Tyne flights
Stansted to Newcastle upon Tyne flights
Manchester to Southend flights
Stansted to Bristol flights
Leeds to Luton flights
Heathrow to Exeter flights
Newcastle upon Tyne to Luton flights
Luton to Birmingham flights
Newquay to Gatwick flights
London to Palma de Mallorca flights
London to Houston flights
London Stansted Airport to Istanbul flights
Edinburgh to Barcelona flights
London to Lahore flights
London to Denver flights
Glasgow to London flights
Manchester to Greece flights
London to Sydney flights
London to Japan flights
London Stansted Airport to Barcelona flights
Portsmouth to Lagos flights

Search flights from Portsmouth to London by cabin class

Find flights from Portsmouth to London, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy class

Hourly flight availability from Portsmouth to London

Find hourly flight availability from Portsmouth 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 5 May 2024.
9%of flight departuresEarly morningMidnight to 6 am
34%of flight departuresMorning6 am to noon
35%of flight departuresAfternoonNoon to 6 pm
22%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Midday
6 PM

Weekly flight availability from Portsmouth to London

Explore weekly flight availability from Portsmouth 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 5 May 2024.
Monday2daily flights
Tuesday2daily flights
Wednesday2daily flights
Thursday2daily flights
Friday2daily flights
Saturday2daily flights
Sunday2daily flights

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Lajes
Flights to Guilin
Flights to Elazig
Flights to Şırnak Sirnak Serafettin Elci
Flights to Batumi
Flights to Brive-la-Gaillarde Brive-Dordogne Valley
Flights to Parma
Flights to Rijeka
Flights to La Rochelle Laleu
Flights to Leh
Flights to Clermont-Ferrand Aulnat
Flights to Porto Santo
Flights to Trieste Ronchi dei Legionari
Flights to Jinan
Flights to Cagayan de Oro Laguindingan
Flights to Samarkand
Flights to Niamey
Flights to Rimini Miramare
Flights to Gazipasa
Flights to Toulon Hyeres
Flights to Parikia Paros
Flights to Edremit/Korfez
Flights to Tulum Intl
Flights to Lihue

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 Portsmouth to London?

When you search for this flight from Portsmouth to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portsmouth to London.

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

Yes! Cheapflights helps users easily find flights from Portsmouth to London with no change fees.

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

Of course! You can now track prices for flights from Portsmouth to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines