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Cheap flights from Portsmouth to London from £81

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 8/8. 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
30 Apr — 7 May1
1 adult
Tue 30/4
Tue 7/5

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 925,685 searches. Data last updated 25 April 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 22/507:55SOU - LHR
1 stop8h 20mKLM
Wed 29/508:40LHR - SOU
1 stop8h 10mKLM
Deal found 24/4£211
Tue 21/517:20SOU - LHR
1 stop3h 35mKLM
Tue 28/520:55LHR - SOU
1 stop10h 30mKLM
Deal found 24/4£212
Tue 21/519:40SOU - LHR
1 stop12h 00mKLM
Tue 28/520:55LHR - SOU
1 stop10h 30mKLM
Deal found 25/4£213
Wed 22/507:55SOU - LCY
1 stop12h 20mKLM
Wed 29/508:40LCY - SOU
1 stop8h 10mKLM
Deal found 24/4£237
Wed 22/507:55SOU - LCY
1 stop9h 25mKLM
Wed 29/508:40LCY - SOU
1 stop8h 10mKLM
Deal found 24/4£238
Mon 20/517:20SOU - LHR
1 stop3h 35mKLM
Mon 27/520:55LHR - SOU
1 stop10h 30mKLM
Deal found 24/4£252
Tue 30/407:55SOU - LHR
1 stop5h 55mKLM
Tue 7/514:45LHR - SOU
1 stop4h 25mKLM
Deal found 24/4£343
Tue 30/417:20SOU - LHR
1 stop3h 35mKLM
Tue 7/514:45LHR - SOU
1 stop4h 25mKLM
Deal found 25/4£344
Tue 30/407:55SOU - LCY
1 stop10h 40mKLM
Tue 7/509:20LCY - SOU
1 stop9h 50mKLM
Deal found 24/4£369

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 925,685 searches. Data last updated 25 April 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.
Tue 7/516:30SOU - LHR
1 stop3h 50mBritish Airways
Tue 14/515:05LHR - SOU
1 stop4h 20mBritish Airways
Deal found 23/4£422
Tue 7/516:30SOU - LCY
1 stop4h 15mBritish Airways
Tue 14/515:00LCY - SOU
1 stop3h 55mBritish Airways
Deal found 23/4£423
Fri 17/516:30SOU - LHR
1 stop5h 40mBritish Airways
Sun 19/507:55LHR - SOU
1 stop4h 40mBritish Airways
Deal found 24/4£458
Thu 30/516:30SOU - LCY
1 stop4h 55mBritish Airways
Mon 3/615:00LCY - SOU
1 stop3h 55mBritish Airways
Deal found 24/4£468
Tue 21/516:30SOU - LCY
1 stop4h 55mBritish Airways
Tue 28/515:00LCY - SOU
1 stop3h 55mBritish Airways
Deal found 24/4£537
Tue 21/516:30SOU - LCY
1 stop4h 55mBritish Airways
Tue 28/515:00LCY - SOU
1 stop3h 55mBritish Airways
Deal found 25/4£538
Sun 15/919:55SOU - LGW
1 stop13h 15mBritish Airways
Wed 18/911:10LGW - SOU
1 stop4h 15mBritish Airways
Deal found 23/4£579

Cheap Portsmouth to London flights in April & May 2024

Find cheap flight options from Portsmouth to London specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 925,685 searches. Prices were last updated on 25 April 2024.
The lowest fares we've come across on flights travelling from Portsmouth to London in April and May 2024. More deals are always being added, so be sure to check back regularly.
Wed 22/509:00SOU - STN
1 stop12h 35measyJet
Wed 29/522:05STN - SOU
1 stop11h 50measyJet
Deal found 24/4£171
Wed 22/509:00SOU - STN
1 stop12h 35measyJet
Wed 29/522:05STN - SOU
1 stop11h 50measyJet
Deal found 24/4£172
Wed 22/507:55SOU - LHR
1 stop8h 20mKLM
Wed 29/508:40LHR - SOU
1 stop8h 10mKLM
Deal found 24/4£211
Tue 21/517:20SOU - LHR
1 stop3h 35mKLM
Tue 28/520:55LHR - SOU
1 stop10h 30mKLM
Deal found 24/4£212
Tue 21/519:40SOU - LHR
1 stop12h 00mKLM
Tue 28/520:55LHR - SOU
1 stop10h 30mKLM
Deal found 25/4£213
Wed 22/509:00SOU - LTN
1 stop13h 55mMultiple Airlines
Wed 29/521:55LTN - SOU
1 stop10h 50mMultiple Airlines
Deal found 24/4£218
Wed 22/509:00SOU - LTN
1 stop13h 55mMultiple Airlines
Wed 29/521:55LTN - SOU
1 stop10h 50mMultiple Airlines
Deal found 24/4£219
Thu 23/512:30SOU - LGW
1 stop10h 05mMultiple Airlines
Thu 30/518:35LGW - SOU
1 stop14h 10mMultiple Airlines
Deal found 25/4£233
Wed 22/509:15SOU - LGW
1 stop12h 40mMultiple Airlines
Wed 29/512:15LGW - SOU
1 stop6h 40mMultiple Airlines
Deal found 24/4£235

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 925,685 searches. Data last updated 25 April 2024.
The lowest fares we've come across on flights travelling from Portsmouth to London in April and May 2024. More deals are always being added, so be sure to check back regularly.
Wed 22/509:00SOU - STN
1 stop12h 35measyJet
Wed 29/522:05STN - SOU
1 stop11h 50measyJet
Deal found 24/4£171
Wed 22/509:00SOU - STN
1 stop12h 35measyJet
Wed 29/522:05STN - SOU
1 stop11h 50measyJet
Deal found 24/4£172
Wed 22/507:55SOU - LHR
1 stop8h 20mKLM
Wed 29/508:40LHR - SOU
1 stop8h 10mKLM
Deal found 24/4£211
Tue 21/517:20SOU - LHR
1 stop3h 35mKLM
Tue 28/520:55LHR - SOU
1 stop10h 30mKLM
Deal found 24/4£212
Tue 21/519:40SOU - LHR
1 stop12h 00mKLM
Tue 28/520:55LHR - SOU
1 stop10h 30mKLM
Deal found 25/4£213
Wed 22/509:00SOU - LTN
1 stop13h 55mMultiple Airlines
Wed 29/521:55LTN - SOU
1 stop10h 50mMultiple Airlines
Deal found 24/4£218
Wed 22/509:00SOU - LTN
1 stop13h 55mMultiple Airlines
Wed 29/521:55LTN - SOU
1 stop10h 50mMultiple Airlines
Deal found 24/4£219
Thu 23/512:30SOU - LGW
1 stop10h 05mMultiple Airlines
Thu 30/518:35LGW - SOU
1 stop14h 10mMultiple Airlines
Deal found 25/4£233
Wed 22/509:15SOU - LGW
1 stop12h 40mMultiple Airlines
Wed 29/512:15LGW - SOU
1 stop6h 40mMultiple Airlines
Deal found 24/4£235

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 925,685 searches. Data last updated 25 April 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.
Tue 30/407:55SOU - LHR
1 stop5h 55mKLM
Tue 7/514:45LHR - SOU
1 stop4h 25mKLM
Deal found 24/4£343
Tue 30/417:20SOU - LHR
1 stop3h 35mKLM
Tue 7/514:45LHR - SOU
1 stop4h 25mKLM
Deal found 25/4£344
Tue 30/407:55SOU - LCY
1 stop10h 40mKLM
Tue 7/509:20LCY - SOU
1 stop9h 50mKLM
Deal found 24/4£369
Tue 30/407:55SOU - LCY
1 stop10h 40mKLM
Tue 7/509:20LCY - SOU
1 stop7h 30mKLM
Deal found 25/4£388

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 925,685 searches. Data last updated 25 April 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.
Thu 8/815:40SOU - LGW
1 stop6h 15mMultiple Airlines
Deal found 24/4£81
Sat 4/511:45SOU - LTN
1 stop20h 25measyJet
Deal found 25/4£89
Sat 4/511:45SOU - STN
1 stop20h 30measyJet
Deal found 25/4£89
Thu 8/812:05SOU - LGW
2 stops9h 50measyJet
Deal found 24/4£125
Thu 8/815:40SOU - LHR
1 stop5h 10mBritish Airways
Deal found 24/4£160
Thu 8/819:50SOU - STN
1 stop19h 05mAurigny Air
Deal found 24/4£186
Thu 8/814:45SOU - LCY
1 stop4h 05mAurigny Air
Deal found 24/4£202

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 925,685 searches. Data last updated 25 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£171 - £422

Route

Depart

Return

Price

Southampton EastleighLondon Stansted

SOU - STN

SOUSTN

Southampton Eastleigh

Wed 22/5

1 stop12h 35m

London Stansted

Wed 29/5

1 stop11h 50m

£171

Southampton EastleighLondon Stansted

SOU - STN

SOUSTN

Southampton Eastleigh

Wed 22/5

1 stop12h 35m

London Stansted

Wed 29/5

1 stop11h 50m

£172

Southampton EastleighLondon Heathrow

SOU - LHR

SOULHR

Southampton Eastleigh

Wed 22/5

1 stop8h 20m

London Heathrow

Wed 29/5

1 stop8h 10m

£211

Southampton EastleighLondon Heathrow

SOU - LHR

SOULHR

Southampton Eastleigh

Tue 21/5

1 stop3h 35m

London Heathrow

Tue 28/5

1 stop10h 30m

£212

Southampton EastleighLondon Heathrow

SOU - LHR

SOULHR

Southampton Eastleigh

Tue 21/5

1 stop12h 00m

London Heathrow

Tue 28/5

1 stop10h 30m

£213

Southampton EastleighLondon Luton

SOU - LTN

SOULTN

Southampton Eastleigh

Wed 22/5

1 stop13h 55m

London Luton

Wed 29/5

1 stop10h 50m

£218

Southampton EastleighLondon Luton

SOU - LTN

SOULTN

Southampton Eastleigh

Wed 22/5

1 stop13h 55m

London Luton

Wed 29/5

1 stop10h 50m

£219

Southampton EastleighLondon Heathrow

SOU - LHR

SOULHR

Southampton Eastleigh

Wed 28/8

1 stop5h 45m

London Heathrow

Wed 28/8

1 stop15h 10m

£365

Southampton EastleighLondon Heathrow

SOU - LHR

SOULHR

Southampton Eastleigh

Tue 7/5

1 stop3h 50m

London Heathrow

Tue 14/5

1 stop4h 20m

£422

Flights are sorted by cheapest first

Deals found on 24/4

When is the cheapest time to fly from Portsmouth to London?

Use this chart to determine the cheapest time to fly return from Portsmouth to London. Price data was last updated on 21 April 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their Portsmouth to London flight should consider departing on Monday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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 25 April 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
1,628 reviews
Check prices

Comfort

7.6

Crew

8.4

Food

7.3

Boarding

7.8

Overall

7.9

Entertainment

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
1,628 reviews
KLM
7.9
Good
1,628 reviews
Check prices

Comfort

7.6

Crew

8.4

Food

7.3

Boarding

7.8

Overall

7.9

Entertainment

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
1,350 reviews
KLM
7.9
Good
1,628 reviews
Check prices

Comfort

7.6

Crew

8.4

Food

7.3

Boarding

7.8

Overall

7.9

Entertainment

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
2,803 reviews
KLM
7.9
Good
1,628 reviews
Check prices

Comfort

7.6

Crew

8.4

Food

7.3

Boarding

7.8

Overall

7.9

Entertainment

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
6,915 reviews
KLM
7.9
Good
1,628 reviews
Check prices

Comfort

7.6

Crew

8.4

Food

7.3

Boarding

7.8

Overall

7.9

Entertainment

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 £171, but on average you can expect to pay £257.

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

    There are currently 4+ 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

    £89 is the cheapest one-way deal found within the past few days, from easyJet. You may also be able to find cheap deals on British Airways and Aurigny Air, with prices starting from £160 and £186, 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 25/4.

See more FAQs

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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 25 April 2024.
9%of flight departuresEarly morningMidnight to 6 am
34%of flight departuresMorning6 am to noon
36%of flight departuresAfternoonNoon to 6 pm
21%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 25 April 2024.
Monday2daily flights
Tuesday2daily flights
Wednesday2daily flights
Thursday2daily flights
Friday2daily flights
Saturday2daily flights
Sunday2daily flights

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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.

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