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Cheap flights from London to Portsmouth from £78

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 8/9. 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.
LON — LHR
22 Jun — 29 Jun1
1 adult
Sat 22/6
Sat 29/6

Cheap flight deals from London to Portsmouth

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Portsmouth (P0R). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 17 June 2024.

Round-trip from

£69
From London (LON) to Portsmouth

What is the cheapest time of day to fly from LON to P0R?

When flying from London to Portsmouth, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Aer Lingus flights from London to Portsmouth

Explore cheap flight options specifically provided by Aer Lingus for the route between London and Portsmouth. 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 976,051 searches. Data last updated 17 June 2024.
Take a peek at the cheapest Aer Lingus flights we've detected travelling from London to Portsmouth. It's recommended that users confirm their flight details before booking.
Thu 5/1214:15LHR - SOU
1 stop5h 25mAer Lingus
Tue 17/1216:05SOU - LHR
1 stop4h 55mAer Lingus
Deal found 17/6£292
Wed 17/714:20LHR - SOU
1 stop5h 10mAer Lingus
Wed 24/715:40SOU - LHR
1 stop5h 20mAer Lingus
Deal found 17/6£328
Sun 14/721:10LHR - SOU
1 stop12h 00mAer Lingus
Sun 21/720:00SOU - LHR
1 stop13h 05mAer Lingus
Deal found 16/6£355
Sun 14/719:30LCY - SOU
1 stop13h 40mAer Lingus
Sun 21/720:00SOU - LCY
1 stop12h 30mAer Lingus
Deal found 16/6£538

Cheap British Airways flights from London to Portsmouth

Explore cheap flight options specifically provided by British Airways for the route between London and Portsmouth. 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 976,051 searches. Data last updated 17 June 2024.
Browse through some of the cheapest British Airways flights travelling from London to Portsmouth. Make sure to examine the flight information before completing your reservation.
Thu 1/807:30LHR - SOU
1 stop7h 40mBritish Airways
Thu 8/808:30SOU - LHR
1 stop13h 05mBritish Airways
Deal found 17/6£453
Mon 1/713:15LHR - SOU
1 stop5h 40mBritish Airways
Mon 8/715:40SOU - LHR
1 stop5h 10mBritish Airways
Deal found 17/6£564

Cheap London to Portsmouth flights in June & July 2024

Find cheap flight options from London to Portsmouth specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 976,051 searches. Prices were last updated on 17 June 2024.
These are some of the best deals we've found on flights to Portsmouth in 2024 at this time. For more flight deals, be sure to check back very soon.
Mon 15/711:30LTN - SOU
1 stop8h 25mMultiple Airlines
Mon 22/709:15SOU - LTN
1 stop9h 35mMultiple Airlines
Deal found 17/6£163
Mon 15/711:30LTN - SOU
1 stop8h 25mMultiple Airlines
Mon 22/709:15SOU - LTN
1 stop9h 35mMultiple Airlines
Deal found 17/6£164
Mon 15/711:30LTN - SOU
1 stop8h 25mMultiple Airlines
Mon 22/709:15SOU - LTN
2 stops22h 35mMultiple Airlines
Deal found 17/6£195
Mon 15/711:30LTN - SOU
1 stop8h 25mMultiple Airlines
Mon 22/709:15SOU - LTN
2 stops22h 35mMultiple Airlines
Deal found 17/6£196
Mon 15/706:15LGW - SOU
1 stop8h 55mMultiple Airlines
Mon 22/719:25SOU - LGW
1 stop12h 15mMultiple Airlines
Deal found 17/6£197
Mon 15/706:15LGW - SOU
1 stop8h 55mMultiple Airlines
Mon 22/715:40SOU - LGW
1 stop6h 30mMultiple Airlines
Deal found 17/6£208
Mon 15/708:50LGW - SOU
2 stops11h 05mMultiple Airlines
Mon 22/719:25SOU - LGW
1 stop12h 15mMultiple Airlines
Deal found 17/6£222
Mon 15/708:50LGW - SOU
2 stops11h 05mMultiple Airlines
Mon 22/719:25SOU - LGW
1 stop12h 15mMultiple Airlines
Deal found 17/6£222
Mon 15/715:30STN - SOU
1 stop3h 35mMultiple Airlines
Mon 22/719:25SOU - STN
1 stop11h 40mMultiple Airlines
Deal found 17/6£269

London to Portsmouth 2024 flight deals

Discover exclusive flight deals for travel between London and Portsmouth in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 976,051 searches. Data last updated 17 June 2024.
These are some of the best deals we've found on flights to Portsmouth in 2024 at this time. For more flight deals, be sure to check back very soon.
Mon 15/711:30LTN - SOU
1 stop8h 25mMultiple Airlines
Mon 22/709:15SOU - LTN
1 stop9h 35mMultiple Airlines
Deal found 17/6£163
Mon 15/711:30LTN - SOU
1 stop8h 25mMultiple Airlines
Mon 22/709:15SOU - LTN
1 stop9h 35mMultiple Airlines
Deal found 17/6£164
Mon 16/907:15LTN - SOU
1 stop11h 40mMultiple Airlines
Sun 22/909:15SOU - LTN
1 stop8h 30mMultiple Airlines
Deal found 17/6£180
Mon 16/918:20LGW - SOU
1 stop14h 25mMultiple Airlines
Sun 22/909:15SOU - LGW
1 stop12h 50mMultiple Airlines
Deal found 17/6£180
Mon 15/711:30LTN - SOU
1 stop8h 25mMultiple Airlines
Mon 22/709:15SOU - LTN
2 stops22h 35mMultiple Airlines
Deal found 17/6£195
Mon 15/711:30LTN - SOU
1 stop8h 25mMultiple Airlines
Mon 22/709:15SOU - LTN
2 stops22h 35mMultiple Airlines
Deal found 17/6£196
Mon 15/706:15LGW - SOU
1 stop8h 55mMultiple Airlines
Mon 22/719:25SOU - LGW
1 stop12h 15mMultiple Airlines
Deal found 17/6£197
Mon 15/706:15LGW - SOU
1 stop8h 55mMultiple Airlines
Mon 22/715:40SOU - LGW
1 stop6h 30mMultiple Airlines
Deal found 17/6£208
Mon 15/708:50LGW - SOU
2 stops11h 05mMultiple Airlines
Mon 22/719:25SOU - LGW
1 stop12h 15mMultiple Airlines
Deal found 17/6£222

One-way flights to Portsmouth from London

Search for one-way flight options from London to Portsmouth. 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 976,051 searches. Data last updated 17 June 2024.
Take a look at some of the best available options we've come across on one-way flights from London to Portsmouth. Users can also find round-trip London to Portsmouth flights by using the search form above.
Sun 8/920:10LTN - SOU
1 stop13h 00mMultiple Airlines
Deal found 16/6£78
Sun 8/909:40LTN - SOU
2 stops9h 15mMultiple Airlines
Deal found 16/6£122
Wed 3/707:10LGW - SOU
1 stop11h 55mMultiple Airlines
Deal found 16/6£145
Mon 4/1106:50LHR - SOU
1 stop8h 20mMultiple Airlines
Deal found 17/6£151
Wed 3/717:55LTN - SOU
1 stop13h 55mMultiple Airlines
Deal found 16/6£162
Mon 4/1108:50LCY - SOU
1 stop6h 20mMultiple Airlines
Deal found 17/6£184
Wed 3/709:00LCY - SOU
1 stop5h 15mMultiple Airlines
Deal found 16/6£189
Sun 8/911:45STN - SOU
1 stop7h 30mAurigny Air
Deal found 16/6£214
Sun 8/908:35LGW - SOU
1 stop5h 25mAurigny Air
Deal found 16/6£218

Find flights from London to Portsmouth within your budget

Customise your flight search to find flights from London to Portsmouth 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 976,051 searches. Data last updated 17 June 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£163 - £453

Route

Depart

Return

Price

London LutonSouthampton Eastleigh

LTN - SOU

LTNSOU

London Luton

Mon 15/7

1 stop8h 25m

Southampton Eastleigh

Mon 22/7

1 stop9h 35m

£163

London LutonSouthampton Eastleigh

LTN - SOU

LTNSOU

London Luton

Mon 15/7

1 stop8h 25m

Southampton Eastleigh

Mon 22/7

1 stop9h 35m

£164

London LutonSouthampton Eastleigh

LTN - SOU

LTNSOU

London Luton

Mon 16/9

1 stop11h 40m

Southampton Eastleigh

Sun 22/9

1 stop8h 30m

£180

London GatwickSouthampton Eastleigh

LGW - SOU

LGWSOU

London Gatwick

Mon 16/9

1 stop14h 25m

Southampton Eastleigh

Sun 22/9

1 stop12h 50m

£180

London LutonSouthampton Eastleigh

LTN - SOU

LTNSOU

London Luton

Mon 15/7

1 stop8h 25m

Southampton Eastleigh

Mon 22/7

2 stops22h 35m

£195

London HeathrowSouthampton Eastleigh

LHR - SOU

LHRSOU

London Heathrow

Mon 16/9

1 stop8h 10m

Southampton Eastleigh

Sun 22/9

1 stop3h 35m

£251

London HeathrowSouthampton Eastleigh

LHR - SOU

LHRSOU

London Heathrow

Thu 5/12

1 stop5h 25m

Southampton Eastleigh

Tue 17/12

1 stop4h 55m

£292

London GatwickSouthampton Eastleigh

LGW - SOU

LGWSOU

London Gatwick

Mon 16/9

1 stop6h 20m

Southampton Eastleigh

Sun 22/9

2 stops15h 30m

£370

London HeathrowSouthampton Eastleigh

LHR - SOU

LHRSOU

London Heathrow

Thu 1/8

1 stop7h 40m

Southampton Eastleigh

Thu 8/8

1 stop13h 05m

£453

Flights are sorted by cheapest first

Deals found on 17/6

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

Use this chart to determine the cheapest time to fly return from London to Portsmouth. Price data was last updated on 9 June 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their London to Portsmouth flight should consider departing on Friday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from London to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth from London 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.

Temperature and rainfall in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average temperature and rainfall totals by month.

LON

Temperature

4 - 17 °C

If weather is an important factor for your trip to Portsmouth, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Portsmouth

Get insights into the airlines that provide service to Portsmouth. 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 Portsmouth. Reviews last updated 17 June 2024.
See what other customers who have flown with Aer Lingus, British Airways and KLM from London to Portsmouth have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
7.9
Good
1,449 reviews

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.2

Overall

7.9

Comfort

7.7

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.

7.9
Good
1,449 reviews
7.9
Good
1,449 reviews

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.2

Overall

7.9

Comfort

7.7

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.

7.2
Good
1,262 reviews
7.9
Good
1,449 reviews

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.2

Overall

7.9

Comfort

7.7

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.

6.8
Okay
6,719 reviews
7.9
Good
1,449 reviews

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.2

Overall

7.9

Comfort

7.7

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 London to Portsmouth. 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 London to Portsmouth for under £200 on Cheapflights?

    Yes, there are multiple flights from London to Portsmouth for under £200. The cheapest flight booked recently is on Multiple Airlines for just £163, but on average you can expect to pay £247.

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

  • What does LHR to LHR mean?

    London Heathrow Airport is LHR and London Heathrow Airport is LHR. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), Southampton Eastleigh Airport (SOU) are some additional IATA codes for airports related to your trip.

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

    The amount of baggage you can bring on your London to Portsmouth 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 London to Portsmouth with specific airlines?

    Yes, Cheapflights allows you to browse and filter London to Portsmouth 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 London to Portsmouth that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from London to Portsmouth 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 London to Portsmouth that allow pets onboard?

    Many airlines flying from London to Portsmouth 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 London to Portsmouth?

    Yes, you can often find last-minute deals on London to Portsmouth 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 London to Portsmouth flight deals updated?

    The London to Portsmouth flight deals you see on this page were last updated on 17/6.

  • What is the cheapest month to book a flight from London to Portsmouth?

    Currently, January is the cheapest month in which you can book a flight from London to Portsmouth (average of £110). Flying from London to Portsmouth in July is currently the most expensive (average of £163). 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

Browse thousands of different options on Cheapflights for your next trip

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

Top airline flying from London to Portsmouth

Discover the top airline that operate flights from London to Portsmouth. 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 976,051 searches. Data last updated 17 June 2024.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£201Average£326FlexibilityNo cancel feeOn-time75%
Search KLM flights

Search flights from London to Portsmouth by cabin class

Find flights from London to Portsmouth, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from London to Portsmouth

Find hourly flight availability from London to Portsmouth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 June 2024.
12%of flight departuresEarly morningMidnight to 6 am
35%of flight departuresMorning6 am to noon
33%of flight departuresAfternoonNoon to 6 pm
20%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Midday
6 PM

Weekly flight availability from London to Portsmouth

Explore weekly flight availability from London to Portsmouth. 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 17 June 2024.
Monday5daily flights
Tuesday5daily flights
Wednesday5daily flights
Thursday5daily flights
Friday5daily flights
Saturday5daily flights
Sunday5daily 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 London to Portsmouth?

Cheapflights makes it easy to find London to Portsmouth flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Portsmouth from London.

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

Certainly. Search results for flights to Portsmouth from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Portsmouth from London today and book when prices fit your budget.

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