How long is the flight from London to Portsmouth?

There are many flights that can get you from London to Portsmouth in 5h 05m. Fly via easyJet, KLM, or Aer Lingus to get the fastest option. The distance from London to Portsmouth is about 53 mi. Both multi-stop and direct flights can be found to your destination and back.

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.

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).

What are the most popular routes from London to Portsmouth?

While some choose either London Heathrow - Southampton Eastleigh or London City - Southampton Eastleigh, London Gatwick - Southampton Eastleigh is the most popular route 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.

£67+ Flights from London to Portsmouth

Cheap flight deals from London to Portsmouth

Round-trip from	£123
One-way from	£67

easyJet
29/1-3/2
2 total stops
30h 05m total
London to Portsmouth

Search Deals

21/2
1 total stop
11h 15m total
London to Portsmouth

Search Deals

Find flight deals from London to Portsmouth

Enter your travel dates to find the best prices.

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 9 January 2026.

Thu 29/120:35LGW - SOU

1 stop17h 10mMultiple Airlines

Tue 3/209:20SOU - LGW

1 stop12h 55mMultiple Airlines

Deal found 7/1£123

Fri 27/206:55LTN - SOU

1 stop6h 50mMultiple Airlines

Mon 2/312:20SOU - LTN

1 stop9h 50mMultiple Airlines

Deal found 6/1£125

Fri 16/105:55STN - SOU

1 stop7h 50mMultiple Airlines

Mon 19/108:30SOU - STN

1 stop11h 05mMultiple Airlines

Deal found 7/1£125

Tue 3/207:10LTN - SOU

1 stop7h 40measyJet

Tue 10/209:20SOU - LTN

1 stop7h 35measyJet

Deal found 6/1£126

Mon 23/218:35LGW - SOU

1 stop14h 15measyJet

Mon 2/317:45SOU - LGW

1 stop4h 15measyJet

Deal found 6/1£126

Fri 27/205:55STN - SOU

1 stop7h 50mMultiple Airlines

Mon 2/319:55SOU - STN

1 stop11h 20mMultiple Airlines

Deal found 6/1£127

Thu 29/109:00LTN - SOU

1 stop8h 20measyJet

Tue 3/209:20SOU - LTN

1 stop12h 30measyJet

Deal found 7/1£129

Tue 3/208:30LGW - SOU

1 stop6h 20mMultiple Airlines

Tue 10/209:20SOU - LGW

1 stop12h 55mMultiple Airlines

Deal found 6/1£129

Fri 16/117:45LGW - SOU

1 stop15h 00mMultiple Airlines

Mon 19/108:30SOU - LGW

1 stop10h 20mMultiple Airlines

Deal found 7/1£131

Thu 22/106:30STN - SOU

1 stop9h 05mMultiple Airlines

Mon 26/108:30SOU - STN

1 stop11h 05mMultiple Airlines

Deal found 8/1£132

Wed 4/206:50LTN - SOU

1 stop5h 05mMultiple Airlines

Wed 11/208:55SOU - LTN

1 stop9h 05mMultiple Airlines

Deal found 7/1£133

Fri 16/120:55LTN - SOU

1 stop11h 50mMultiple Airlines

Mon 19/108:30SOU - LTN

1 stop13h 40mMultiple Airlines

Deal found 7/1£134

Best flights from London to Portsmouth
Discover carefully curated flight deals from London to Portsmouth that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 January 2026.

Thu 29/120:35LGW - SOU

1 stop17h 10mMultiple Airlines

Tue 3/209:20SOU - LGW

1 stop12h 55mMultiple Airlines

Deal found 7/1£123

Tue 3/207:10LTN - SOU

1 stop7h 40measyJet

Tue 10/209:20SOU - LTN

1 stop7h 35measyJet

Deal found 6/1£126

Wed 3/611:45LHR - SOU

1 stop5h 05mKLM

Sat 6/609:15SOU - LHR

1 stop8h 35mKLM

Deal found 6/1£224

Thu 22/108:50LHR - SOU

1 stop6h 45mAer Lingus

Mon 26/120:10SOU - LHR

1 stop11h 55mAer Lingus

Deal found 8/1£227

Fri 27/206:55LTN - SOU

1 stop6h 50mMultiple Airlines

Mon 2/312:20SOU - LTN

1 stop9h 50mMultiple Airlines

Deal found 6/1£125

Mon 23/218:35LGW - SOU

1 stop14h 15measyJet

Mon 2/317:45SOU - LGW

1 stop4h 15measyJet

Deal found 6/1£126

Mon 2/206:25LTN - SOU

1 stop12h 55mMultiple Airlines

Tue 3/209:20SOU - LTN

1 stop12h 30mMultiple Airlines

Deal found 8/1£129

Thu 29/109:00LTN - SOU

1 stop8h 20measyJet

Tue 3/209:20SOU - LTN

1 stop12h 30measyJet

Deal found 7/1£129

Tue 3/208:30LGW - SOU

1 stop6h 20mMultiple Airlines

Tue 10/209:20SOU - LGW

1 stop12h 55mMultiple Airlines

Deal found 6/1£129

Fri 27/215:25LGW - SOU

1 stop15h 20measyJet

Mon 2/317:45SOU - LGW

1 stop4h 15measyJet

Deal found 6/1£137

Mon 23/221:05STN - SOU

1 stop11h 45mMultiple Airlines

Mon 2/319:55SOU - STN

1 stop11h 20mMultiple Airlines

Deal found 6/1£132

Mon 2/209:10LGW - SOU

1 stop8h 05measyJet

Tue 3/209:20SOU - LGW

1 stop12h 55measyJet

Deal found 8/1£141

Fri 23/115:30LCY - SOU

1 stop5h 20mAurigny Air

Fri 30/108:00SOU - LCY

1 stop7h 00mAurigny Air

Deal found 6/1£382

Thu 22/106:30STN - SOU

1 stop9h 05mMultiple Airlines

Mon 26/108:30SOU - STN

1 stop11h 05mMultiple Airlines

Deal found 8/1£132

Wed 4/206:50LTN - SOU

1 stop5h 05mMultiple Airlines

Wed 11/208:55SOU - LTN

1 stop9h 05mMultiple Airlines

Deal found 7/1£133

Thu 5/209:50LHR - SOU

1 stop5h 45mAer Lingus

Thu 12/220:10SOU - LHR

1 stop11h 55mAer Lingus

Deal found 6/1£229

Tue 3/221:45STN - SOU

1 stop14h 10mMultiple Airlines

Tue 10/209:20SOU - STN

1 stop11h 15mMultiple Airlines

Deal found 5/1£134

Mon 23/206:30LHR - SOU

1 stop10h 35mKLM

Mon 2/308:50SOU - LHR

1 stop12h 00mKLM

Deal found 6/1£246

Sat 21/218:45LHR - SOU

1 stop14h 00mAer Lingus

Sat 28/209:30SOU - LHR

1 stop6h 05mAer Lingus

Deal found 7/1£235

Mon 2/206:55STN - SOU

1 stop12h 25mMultiple Airlines

Tue 3/209:20SOU - STN

1 stop11h 15mMultiple Airlines

Deal found 8/1£135

Fri 27/207:45LCY - SOU

1 stop9h 15mKLM

Mon 2/308:50SOU - LCY

1 stop10h 45mKLM

Deal found 6/1£265

Thu 29/115:10LHR - SOU

1 stop4h 30mAer Lingus

Tue 3/212:25SOU - LHR

1 stop4h 25mAer Lingus

Deal found 7/1£242

Thu 22/109:00LTN - SOU

1 stop6h 35mMultiple Airlines

Mon 26/108:30SOU - LTN

1 stop13h 40mMultiple Airlines

Deal found 8/1£137

Mon 23/206:00LTN - SOU

2 stops26h 50mMultiple Airlines

Mon 2/312:20SOU - LTN

1 stop9h 50mMultiple Airlines

Deal found 6/1£138

Thu 5/220:05LCY - SOU

1 stop12h 20mKLM

Thu 12/209:00SOU - LCY

1 stop7h 35mKLM

Deal found 6/1£277

Mon 2/207:50LHR - SOU

1 stop11h 50mAer Lingus

Tue 3/212:25SOU - LHR

1 stop7h 25mAer Lingus

Deal found 8/1£257

Thu 5/221:05LGW - SOU

1 stop16h 40mMultiple Airlines

Thu 12/212:20SOU - LGW

1 stop8h 30mMultiple Airlines

Deal found 8/1£138

Mon 23/220:05LCY - SOU

1 stop12h 15mKLM

Mon 2/317:40SOU - LCY

1 stop13h 35mKLM

Deal found 6/1£279

Wed 4/221:40LGW - SOU

1 stop11h 05mMultiple Airlines

Wed 11/208:55SOU - LGW

1 stop10h 55mMultiple Airlines

Deal found 7/1£139

Tue 3/208:40LCY - SOU

1 stop8h 25mKLM

Tue 10/217:35SOU - LCY

1 stop13h 40mKLM

Deal found 6/1£290

Last-minute flights from London to Portsmouth
Discover last-minute flight deals from London to Portsmouth. Data last updated 9 January 2026 and is based on user searches.

Fri 16/105:55STN - SOU

1 stop7h 50mMultiple Airlines

Mon 19/108:30SOU - STN

1 stop11h 05mMultiple Airlines

Deal found 7/1£125

Fri 16/117:45LGW - SOU

1 stop15h 00mMultiple Airlines

Mon 19/108:30SOU - LGW

1 stop10h 20mMultiple Airlines

Deal found 7/1£131

Fri 16/120:55LTN - SOU

1 stop11h 50mMultiple Airlines

Mon 19/108:30SOU - LTN

1 stop13h 40mMultiple Airlines

Deal found 7/1£134

Thu 22/106:30STN - SOU

1 stop9h 05mMultiple Airlines

Mon 26/108:30SOU - STN

1 stop11h 05mMultiple Airlines

Deal found 8/1£132

Thu 29/120:35LGW - SOU

1 stop17h 10mMultiple Airlines

Tue 3/209:20SOU - LGW

1 stop12h 55mMultiple Airlines

Deal found 7/1£123

Thu 29/109:00LTN - SOU

1 stop8h 20measyJet

Tue 3/209:20SOU - LTN

1 stop12h 30measyJet

Deal found 7/1£129

Tue 3/207:10LTN - SOU

1 stop7h 40measyJet

Tue 10/209:20SOU - LTN

1 stop7h 35measyJet

Deal found 6/1£126

Tue 3/208:30LGW - SOU

1 stop6h 20mMultiple Airlines

Tue 10/209:20SOU - LGW

1 stop12h 55mMultiple Airlines

Deal found 5/1£129

Wed 4/206:50LTN - SOU

1 stop5h 05mMultiple Airlines

Wed 11/208:55SOU - LTN

1 stop9h 05mMultiple Airlines

Deal found 7/1£133

Mon 23/218:35LGW - SOU

1 stop14h 15measyJet

Mon 2/317:45SOU - LGW

1 stop4h 15measyJet

Deal found 6/1£126

Fri 27/206:55LTN - SOU

1 stop6h 50mMultiple Airlines

Mon 2/312:20SOU - LTN

1 stop9h 50mMultiple Airlines

Deal found 6/1£125

Fri 27/205:55STN - SOU

1 stop7h 50mMultiple Airlines

Mon 2/319:55SOU - STN

1 stop11h 20mMultiple Airlines

Deal found 6/1£127

One-way flights from London to Portsmouth
Search for one-way flight options from London to Portsmouth. Find affordable one-way fares based on user searches. Data last updated 9 January 2026.

Sat 21/221:30LGW - SOU

1 stop11h 15mMultiple Airlines

Deal found 7/1£67

Fri 20/220:55LTN - SOU

1 stop11h 50mMultiple Airlines

Deal found 6/1£79

Sat 21/217:00STN - SOU

1 stop15h 45mMultiple Airlines

Deal found 7/1£80

Sat 21/216:40LTN - SOU

1 stop16h 05mMultiple Airlines

Deal found 7/1£87

Fri 20/221:45STN - SOU

1 stop11h 00mMultiple Airlines

Deal found 6/1£93

Fri 20/221:35LGW - SOU

1 stop11h 10mMultiple Airlines

Deal found 6/1£100

Fri 20/209:55LHR - SOU

1 stop9h 25mMultiple Airlines

Deal found 6/1£117

Fri 20/207:10LHR - SOU

1 stop10h 20mBritish Airways

Deal found 6/1£129

Sat 24/107:45LHR - SOU

1 stop8h 55mBritish Airways

Deal found 8/1£129

Fri 20/208:35LGW - SOU

1 stop12h 15mAurigny Air

Deal found 6/1£154

Fri 20/215:40LCY - SOU

1 stop5h 10mAurigny Air

Deal found 6/1£172

Sat 21/209:55LHR - SOU

3 stops22h 50mMultiple Airlines

Deal found 7/1£173

Fly from

Fly to

Route

Depart

Return

Price

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Thu 29/1

20:35-13:45

1 stop17h 10m

Southampton Eastleigh

Tue 3/2

09:20-22:15

1 stop12h 55m

£123

LondonSouthampton

LTN - SOU

LTNSOU

London Luton

Fri 27/2

06:55-13:45

1 stop6h 50m

Southampton Eastleigh

Mon 2/3

12:20-22:10

1 stop9h 50m

£125

LondonSouthampton

LTN - SOU

LTNSOU

London Luton

Tue 3/2

07:10-14:50

1 stop7h 40m

Southampton Eastleigh

Tue 10/2

09:20-16:55

1 stop7h 35m

£126

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Mon 23/2

18:35-08:50

1 stop14h 15m

Southampton Eastleigh

Mon 2/3

17:45-22:00

1 stop4h 15m

£126

LondonSouthampton

LTN - SOU

LTNSOU

London Luton

Mon 2/2

06:25-19:20

1 stop12h 55m

Southampton Eastleigh

Tue 3/2

09:20-21:50

1 stop12h 30m

£129

LondonSouthampton

LTN - SOU

LTNSOU

London Luton

Thu 29/1

09:00-17:20

1 stop8h 20m

Southampton Eastleigh

Tue 3/2

09:20-21:50

1 stop12h 30m

£129

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Tue 3/2

08:30-14:50

1 stop6h 20m

Southampton Eastleigh

Tue 10/2

09:20-22:15

1 stop12h 55m

£129

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Mon 23/2

21:05-08:50

1 stop11h 45m

Southampton Eastleigh

Mon 2/3

19:55-07:15

1 stop11h 20m

£132

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Thu 22/1

06:30-15:35

1 stop9h 05m

Southampton Eastleigh

Mon 26/1

08:30-19:35

1 stop11h 05m

£132

LondonSouthampton

LTN - SOU

LTNSOU

London Luton

Wed 4/2

06:50-11:55

1 stop5h 05m

Southampton Eastleigh

Wed 11/2

08:55-18:00

1 stop9h 05m

£133

Flights are sorted by cheapest return flights first.

Deals found on 7/1

Showing 1-10 of 57 results

...

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.

Cheapflights Insights

Everything you need to know about your flight from London to Portsmouth

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

One of the essential ways to save on airfare from London to Portsmouth is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 80% on airfare.

Related info for your journey

How long is the flight from London to Portsmouth?
There are many flights that can get you from London to Portsmouth in 5h 05m. Fly via easyJet, KLM, or Aer Lingus to get the fastest option. The distance from London to Portsmouth is about 53 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the most popular routes from London to Portsmouth?
While some choose either London Heathrow - Southampton Eastleigh or London City - Southampton Eastleigh, London Gatwick - Southampton Eastleigh is the most popular route 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.

See more FAQs

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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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Cheap flights from London to Portsmouth from £67

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 21/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Portsmouth

Keep the following information in mind while searching for London to Portsmouth flight deals. Data was last updated 9 January 2026.

Round-trip from

One-way from

Find flight deals from London to Portsmouth

Cheapest flights from London to PortsmouthExplore 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 9 January 2026.

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 9 January 2026.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to Portsmouth that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from London to Portsmouth

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 9 January 2026.

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.

How long is the flight from London to Portsmouth?

What are the most popular routes from London to Portsmouth?

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

How can I find direct flights from London to Portsmouth?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to Portsmouth

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How does Cheapflights help users find flights from London to Portsmouth?

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

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

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

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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 9 January 2026.