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Cheap flights from London to Portsmouth from £80

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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LHR
27 Dec — 3 Jan1
1 adult

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 22 December 2024.

Round-trip from

£127

One-way from

£80
13/1-20/1
  • 13/1-20/1
  • 2 total stops
  • 10h 05m total
  • London to Portsmouth
5/4
  • 5/4
  • 1 total stop
  • 14h 40m total
  • London to Portsmouth

Find flight deals from London to Portsmouth

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

Thu 26/1214:40LHR - SOU
1 stop4h 30mBritish Airways
Sun 29/1215:40SOU - LHR
1 stop6h 05mBritish Airways
Deal found 20/12£663
Thu 26/1215:40LCY - SOU
1 stop3h 45mBritish Airways
Sun 29/1209:35SOU - LCY
1 stop9h 05mBritish Airways
Deal found 20/12£698

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 858,174 searches. Data last updated 22 December 2024.

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Fly to

Any airport

Route

Depart

Return

Price

LondonSouthampton

LTN - SOU

LTNSOU

London Luton

Mon 13/1

07:00-11:55

1 stop4h 55m

Southampton Eastleigh

Mon 20/1

09:35-14:45

1 stop5h 10m

£127

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Mon 6/1

20:10-08:25

1 stop12h 15m

Southampton Eastleigh

Fri 10/1

13:30-19:40

1 stop6h 10m

£133

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Mon 13/1

07:50-11:55

1 stop4h 05m

Southampton Eastleigh

Mon 20/1

12:25-19:40

1 stop7h 15m

£141

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Mon 6/1

18:40-08:25

1 stop13h 45m

Southampton Eastleigh

Fri 10/1

13:30-22:45

1 stop9h 15m

£147

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Mon 13/1

06:30-11:55

1 stop5h 25m

Southampton Eastleigh

Mon 20/1

12:25-22:15

1 stop9h 50m

£158

LondonSouthampton

LHR - SOU

LHRSOU

London Heathrow

Sat 18/1

06:55-14:40

1 stop7h 45m

Southampton Eastleigh

Sat 25/1

15:10-19:20

1 stop4h 10m

£183

LondonSouthampton

LHR - SOU

LHRSOU

London Heathrow

Fri 7/2

20:25-08:50

1 stop12h 25m

Southampton Eastleigh

Tue 11/2

17:20-20:50

1 stop3h 30m

£200

LondonSouthampton

LCY - SOU

LCYSOU

London City

Fri 7/2

08:40-16:50

1 stop8h 10m

Southampton Eastleigh

Tue 11/2

09:00-17:25

1 stop8h 25m

£249

LondonSouthampton

LHR - SOU

LHRSOU

London Heathrow

Mon 6/1

08:50-15:35

1 stop6h 45m

Southampton Eastleigh

Fri 10/1

20:10-09:05

1 stop12h 55m

£269

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Thu 1/5

08:35-19:05

1 stop10h 30m

Southampton Eastleigh

Fri 2/5

19:50-11:20

1 stop15h 30m

£314

Flights are sorted by cheapest return flights first.

Deals found on 21/12

Showing 1-10 of 26 results
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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.

Travel insights for flights from London to Portsmouth

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

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

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 22 December 2024.

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.

Rainfall in Portsmouth by month

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

In terms of precipitation, rainfall in Portsmouth ranges from 25.0 - 76.0 inches per month. December is typically the wettest month, when rainfall can reach 76.0 mm. July is typically the driest time to visit Portsmouth when rainfall is around 25.0 mm.

Temperature in Portsmouth by month

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

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 22 December 2024.
See what other customers who have flown with easyJet, Aer Lingus and British Airways 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.
7.8
Good
1,342 reviews

Entertainment

7.2

Overall

7.8

Boarding

7.9

Food

7.3

Comfort

7.7

Crew

8.4

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

7.8
Good
1,342 reviews
7.8
Good
1,342 reviews

Entertainment

7.2

Overall

7.8

Boarding

7.9

Food

7.3

Comfort

7.7

Crew

8.4

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

7.1
Good
1,075 reviews
7.8
Good
1,342 reviews

Entertainment

7.2

Overall

7.8

Boarding

7.9

Food

7.3

Comfort

7.7

Crew

8.4

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

6.9
Okay
1,894 reviews
7.8
Good
1,342 reviews

Entertainment

7.2

Overall

7.8

Boarding

7.9

Food

7.3

Comfort

7.7

Crew

8.4

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

6.6
Okay
6,815 reviews
7.8
Good
1,342 reviews

Entertainment

7.2

Overall

7.8

Boarding

7.9

Food

7.3

Comfort

7.7

Crew

8.4

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

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

    The cheapet airlines for a one-way flight from London to Portsmouth are easyJet (£106), Aurigny Air (£134), and British Airways (£212).

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

  • 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.

  • 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 £112). Flying from London to Portsmouth in July is currently the most expensive (average of £160). 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 London to Portsmouth

See prices for flight routes from nearby airports that may be better suited for you.

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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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