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Cheap flights from Portsmouth to London 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LON
27 Oct — 3 Nov1
1 adult

Find flight deals from Portsmouth to London

Cheapest flights from Portsmouth to London
Explore the most affordable flight options available from Portsmouth to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 October 2024.

Wed 4/1208:55SOU - LTN
1 stop9h 30mMultiple Airlines
Wed 11/1208:40LTN - SOU
1 stop7h 00mMultiple Airlines
Deal found 19/10£139
Tue 3/1208:55SOU - LGW
1 stop6h 40mMultiple Airlines
Tue 10/1218:35LGW - SOU
1 stop14h 15mMultiple Airlines
Deal found 21/10£151
Mon 18/1119:25SOU - STN
1 stop11h 55mMultiple Airlines
Mon 25/1107:50STN - SOU
1 stop11h 05mMultiple Airlines
Deal found 21/10£159
Mon 18/1112:25SOU - LGW
1 stop9h 50measyJet
Mon 25/1106:30LGW - SOU
1 stop5h 25measyJet
Deal found 21/10£172
Tue 3/1209:30SOU - LHR
1 stop12h 20mMultiple Airlines
Tue 10/1207:40LHR - SOU
1 stop11h 15mMultiple Airlines
Deal found 20/10£177
Wed 4/1217:20SOU - LHR
1 stop3h 30mKLM
Wed 11/1220:25LHR - SOU
1 stop12h 00mKLM
Deal found 19/10£201
Mon 18/1116:05SOU - LHR
1 stop4h 55mAer Lingus
Mon 25/1107:50LHR - SOU
1 stop7h 45mAer Lingus
Deal found 21/10£250
Wed 4/1209:00SOU - LCY
1 stop8h 40mKLM
Wed 11/1209:20LCY - SOU
1 stop7h 30mKLM
Deal found 19/10£264
Thu 28/1116:05SOU - LCY
1 stop5h 35mMultiple Airlines
Mon 2/1208:50LCY - SOU
1 stop6h 20mMultiple Airlines
Deal found 20/10£274
Sun 15/1215:10SOU - LGW
2 stops4h 00mAurigny Air
Wed 18/1211:50LGW - SOU
1 stop19h 50mAurigny Air
Deal found 21/10£373
Mon 18/1115:10SOU - LCY
2 stops16h 50mAurigny Air
Mon 25/1108:30LCY - SOU
1 stop23h 10mAurigny Air
Deal found 21/10£428

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 1,032,068 searches. Data last updated 22 October 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£139 - £428

Route

Depart

Return

Price

Southampton EastleighLondon Luton

SOU - LTN

SOULTN

Southampton Eastleigh

Wed 4/12

1 stop9h 30m

London Luton

Wed 11/12

1 stop7h 00m

£139

Southampton EastleighLondon Gatwick

SOU - LGW

SOULGW

Southampton Eastleigh

Wed 4/12

1 stop6h 40m

London Gatwick

Wed 11/12

1 stop7h 05m

£150

Southampton EastleighLondon Stansted

SOU - STN

SOUSTN

Southampton Eastleigh

Mon 18/11

1 stop11h 55m

London Stansted

Mon 25/11

1 stop11h 05m

£159

Southampton EastleighLondon Gatwick

SOU - LGW

SOULGW

Southampton Eastleigh

Fri 8/11

1 stop9h 15m

London Gatwick

Mon 11/11

1 stop5h 25m

£171

Southampton EastleighLondon Heathrow

SOU - LHR

SOULHR

Southampton Eastleigh

Tue 3/12

1 stop12h 20m

London Heathrow

Tue 10/12

1 stop11h 15m

£177

Southampton EastleighLondon Heathrow

SOU - LHR

SOULHR

Southampton Eastleigh

Wed 4/12

1 stop3h 30m

London Heathrow

Wed 11/12

1 stop12h 00m

£201

Southampton EastleighLondon Heathrow

SOU - LHR

SOULHR

Southampton Eastleigh

Mon 18/11

1 stop4h 55m

London Heathrow

Mon 25/11

1 stop7h 45m

£250

Southampton EastleighLondon City

SOU - LCY

SOULCY

Southampton Eastleigh

Wed 4/12

1 stop8h 40m

London City

Wed 11/12

1 stop7h 30m

£264

Southampton EastleighLondon City

SOU - LCY

SOULCY

Southampton Eastleigh

Thu 28/11

1 stop5h 35m

London City

Mon 2/12

1 stop6h 20m

£274

Southampton EastleighLondon Gatwick

SOU - LGW

SOULGW

Southampton Eastleigh

Sun 15/12

2 stops4h 00m

London Gatwick

Wed 18/12

1 stop19h 50m

£373

Southampton EastleighLondon City

SOU - LCY

SOULCY

Southampton Eastleigh

Mon 18/11

2 stops16h 50m

London City

Mon 25/11

1 stop23h 10m

£428

Flights are sorted by cheapest first

Deals found on 19/10

Best time to book a flight from Portsmouth to London

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

Travel insights for flights from Portsmouth to London

Get recent, data-driven insights about flights from Portsmouth to London including ideal travel times, pricing trends, and more.

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

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 22 October 2024.

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.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 22 October 2024.
To help decide which airline to fly from Portsmouth to London, see what other customers have to say about KLM and Aurigny Air. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,360 reviews
Check prices

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.9

Entertainment

7.2

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

KLM
7.8
Good
1,360 reviews
KLM
7.8
Good
1,360 reviews
Check prices

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.9

Entertainment

7.2

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

Aer Lingus
7.1
Good
1,090 reviews
KLM
7.8
Good
1,360 reviews
Check prices

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.9

Entertainment

7.2

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

easyJet
6.9
Okay
1,979 reviews
KLM
7.8
Good
1,360 reviews
Check prices

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.9

Entertainment

7.2

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

British Airways
6.7
Okay
6,841 reviews
KLM
7.8
Good
1,360 reviews
Check prices

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.9

Entertainment

7.2

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

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 Multiple Airlines for just £139, but on average you can expect to pay £235.

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

    £83 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 £131 and £162, respectively.

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

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

  • 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 21/10.

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

    Currently, January is the cheapest month in which you can book a flight from Portsmouth to London (average of £112). Flying from Portsmouth to London in July is currently the most expensive (average of £159). 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

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

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