How long is the flight from London to Portsmouth?

There are many flights that can get you from London to Portsmouth in 5h 50m. Fly via easyJet or Aer Lingus to get the fastest option. The distance from London to Portsmouth is about 94 mi. Both multi-stop and direct flights can be found to your destination and back.

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 Aer Lingus (£81), British Airways (£152), and Aurigny Air (£165).

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 August is currently the most expensive (average of £164). 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.

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

Travellers seeking maximum savings on their London to Portsmouth flight should consider departing on Thursday mornings when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 Gatwick - Southampton Eastleigh, London City - 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.

£61+ Cheap Flights from London to Portsmouth

Cheap flight deals from London to Portsmouth

Round-trip from	£140
One-way from	£61

1/11-8/11
2 total stops
10h 25m total
London to Portsmouth

Search Deals

20/10
1 total stop
10h 20m total
London to Portsmouth

Search Deals

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 18 September 2025.

Sat 1/1108:30LGW - SOU

1 stop6h 20mMultiple Airlines

Sat 8/1115:20SOU - LGW

1 stop4h 05mMultiple Airlines

Deal found 17/9£140

Sat 4/1008:40STN - SOU

1 stop6h 10mMultiple Airlines

Sat 11/1015:20SOU - STN

1 stop5h 35mMultiple Airlines

Deal found 16/9£144

Thu 2/1008:30STN - SOU

1 stop5h 50measyJet

Wed 8/1009:00SOU - STN

1 stop12h 35measyJet

Deal found 16/9£149

Thu 2/1019:40LGW - SOU

1 stop23h 15mMultiple Airlines

Wed 8/1009:00SOU - LGW

1 stop7h 20mMultiple Airlines

Deal found 16/9£153

Sat 4/1007:05LTN - SOU

1 stop7h 45mMultiple Airlines

Sat 11/1008:55SOU - LTN

1 stop7h 50mMultiple Airlines

Deal found 16/9£157

Fri 31/1020:10LGW - SOU

1 stop12h 35mMultiple Airlines

Fri 7/1119:50SOU - LGW

1 stop16h 15mMultiple Airlines

Deal found 16/9£157

Fri 31/1020:55LTN - SOU

1 stop11h 50mMultiple Airlines

Fri 7/1119:50SOU - LTN

1 stop16h 00mMultiple Airlines

Deal found 16/9£160

Thu 2/1007:45STN - SOU

1 stop6h 35mMultiple Airlines

Mon 6/1011:50SOU - STN

1 stop11h 25mMultiple Airlines

Deal found 17/9£162

Thu 2/1019:40LGW - SOU

1 stop23h 15mMultiple Airlines

Mon 6/1008:05SOU - LGW

1 stop6h 20mMultiple Airlines

Deal found 17/9£162

Thu 2/1021:10LTN - SOU

1 stop11h 30mMultiple Airlines

Wed 8/1009:00SOU - LTN

1 stop13h 55mMultiple Airlines

Deal found 16/9£163

Fri 31/1021:45STN - SOU

1 stop11h 00mMultiple Airlines

Fri 7/1119:50SOU - STN

1 stop11h 25mMultiple Airlines

Deal found 16/9£163

Fri 26/906:20LGW - SOU

1 stop5h 35mMultiple Airlines

Mon 29/908:05SOU - LGW

1 stop22h 55mMultiple Airlines

Deal found 17/9£166

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 18 September 2025.

Sat 1/1108:30LGW - SOU

1 stop6h 20mMultiple Airlines

Sat 8/1115:20SOU - LGW

1 stop4h 05mMultiple Airlines

Deal found 17/9£140

Thu 2/1008:30STN - SOU

1 stop5h 50measyJet

Wed 8/1009:00SOU - STN

1 stop12h 35measyJet

Deal found 16/9£149

Thu 2/1021:10LHR - SOU

1 stop11h 30mAer Lingus

Wed 8/1020:00SOU - LHR

1 stop13h 05mAer Lingus

Deal found 16/9£211

Tue 3/318:25LGW - SOU

1 stop13h 05mAurigny Air

Wed 4/319:55SOU - LGW

1 stop14h 30mAurigny Air

Deal found 15/9£257

Sat 4/1008:40STN - SOU

1 stop6h 10mMultiple Airlines

Sat 11/1015:20SOU - STN

1 stop5h 35mMultiple Airlines

Deal found 16/9£144

Wed 11/207:00LHR - SOU

1 stop4h 45mBritish Airways

Wed 18/208:55SOU - LHR

1 stop4h 00mBritish Airways

Deal found 17/9£322

Thu 2/1019:40LGW - SOU

1 stop23h 15mMultiple Airlines

Wed 8/1009:00SOU - LGW

1 stop7h 20mMultiple Airlines

Deal found 16/9£153

Thu 2/1009:20LCY - SOU

1 stop7h 40mKLM

Wed 8/1009:20SOU - LCY

1 stop9h 10mKLM

Deal found 16/9£337

Sat 4/1007:05LTN - SOU

1 stop7h 45mMultiple Airlines

Sat 11/1008:55SOU - LTN

1 stop7h 50mMultiple Airlines

Deal found 16/9£157

Fri 31/1020:10LGW - SOU

1 stop12h 35mMultiple Airlines

Fri 7/1119:50SOU - LGW

1 stop16h 15mMultiple Airlines

Deal found 16/9£157

Thu 2/1007:45STN - SOU

1 stop6h 35mMultiple Airlines

Mon 6/1011:50SOU - STN

1 stop11h 25mMultiple Airlines

Deal found 17/9£162

Fri 31/1019:45LHR - SOU

1 stop13h 00mAer Lingus

Fri 7/1116:05SOU - LHR

1 stop5h 00mAer Lingus

Deal found 16/9£238

Thu 2/1019:40LGW - SOU

1 stop23h 15mMultiple Airlines

Mon 6/1008:05SOU - LGW

1 stop6h 20mMultiple Airlines

Deal found 17/9£162

Sat 4/1020:10LHR - SOU

1 stop12h 25mAer Lingus

Sat 11/1009:40SOU - LHR

1 stop10h 40mAer Lingus

Deal found 16/9£240

Thu 2/1021:10LTN - SOU

1 stop11h 30mMultiple Airlines

Wed 8/1009:00SOU - LTN

1 stop13h 55mMultiple Airlines

Deal found 16/9£163

Fri 31/1021:45STN - SOU

1 stop11h 00mMultiple Airlines

Fri 7/1119:50SOU - STN

1 stop11h 25mMultiple Airlines

Deal found 16/9£163

Tue 7/1008:30LCY - SOU

1 stop10h 05mAurigny Air

Tue 14/1019:50SOU - LCY

1 stop12h 10mAurigny Air

Deal found 17/9£337

Wed 22/1011:35LHR - SOU

1 stop3h 40mBritish Airways

Sat 1/1109:40SOU - LHR

1 stop6h 40mBritish Airways

Deal found 16/9£357

Fri 31/1020:55LTN - SOU

1 stop11h 50mMultiple Airlines

Fri 7/1119:50SOU - LTN

2 stops16h 05mMultiple Airlines

Deal found 16/9£169

Sat 1/1119:35LHR - SOU

1 stop13h 10mAer Lingus

Sat 8/1109:30SOU - LHR

1 stop6h 05mAer Lingus

Deal found 17/9£308

Thu 2/1008:30LCY - SOU

1 stop23h 00mAurigny Air

Mon 6/1008:00SOU - LCY

1 stop10h 50mAurigny Air

Deal found 17/9£352

Sat 1/1121:00LTN - SOU

1 stop11h 45mMultiple Airlines

Sat 8/1113:55SOU - LTN

1 stop8h 00mMultiple Airlines

Deal found 17/9£170

Wed 1/1015:50LHR - SOU

1 stop16h 50mAer Lingus

Sat 4/1009:40SOU - LHR

1 stop10h 40mAer Lingus

Deal found 17/9£311

Thu 2/1016:55LTN - SOU

2 stops26h 00mMultiple Airlines

Mon 6/1020:30SOU - LTN

1 stop12h 15mMultiple Airlines

Deal found 17/9£172

Wed 11/214:05LCY - SOU

1 stop5h 55mBritish Airways

Wed 18/216:30SOU - LCY

1 stop4h 55mBritish Airways

Deal found 17/9£443

Wed 1/1008:30LCY - SOU

1 stop10h 35mAurigny Air

Sun 5/1010:00SOU - LCY

1 stop8h 50mAurigny Air

Deal found 16/9£410

Wed 1/1019:20LTN - SOU

1 stop13h 20mMultiple Airlines

Sat 4/1008:25SOU - LTN

2 stops13h 20mMultiple Airlines

Deal found 17/9£176

Wed 1/1018:35STN - SOU

1 stop14h 05mMultiple Airlines

Sat 4/1008:25SOU - STN

2 stops11h 25mMultiple Airlines

Deal found 17/9£176

Thu 9/1015:30LCY - SOU

1 stop16h 00mAurigny Air

Thu 16/1008:00SOU - LCY

1 stop10h 50mAurigny Air

Deal found 16/9£424

Sat 4/1018:40LGW - SOU

1 stop13h 15mMultiple Airlines

Sat 11/1008:55SOU - LGW

1 stop6h 55mMultiple Airlines

Deal found 16/9£179

Last-minute flights from London to Portsmouth
Discover last-minute flight deals from London to Portsmouth. Data last updated 18 September 2025 and is based on user searches.

Fri 26/906:20LGW - SOU

1 stop5h 35mMultiple Airlines

Mon 29/908:05SOU - LGW

1 stop22h 55mMultiple Airlines

Deal found 17/9£166

Thu 2/1008:30STN - SOU

1 stop5h 50measyJet

Wed 8/1009:00SOU - STN

1 stop12h 35measyJet

Deal found 16/9£149

Thu 2/1019:40LGW - SOU

1 stop23h 15mMultiple Airlines

Wed 8/1009:00SOU - LGW

1 stop7h 20mMultiple Airlines

Deal found 16/9£153

Thu 2/1007:45STN - SOU

1 stop6h 35mMultiple Airlines

Mon 6/1011:50SOU - STN

1 stop11h 25mMultiple Airlines

Deal found 17/9£162

Thu 2/1019:40LGW - SOU

1 stop23h 15mMultiple Airlines

Mon 6/1008:05SOU - LGW

1 stop6h 20mMultiple Airlines

Deal found 17/9£162

Thu 2/1021:10LTN - SOU

1 stop11h 30mMultiple Airlines

Wed 8/1009:00SOU - LTN

1 stop13h 55mMultiple Airlines

Deal found 16/9£163

Thu 2/1016:55LTN - SOU

2 stops26h 00mMultiple Airlines

Mon 6/1020:30SOU - LTN

1 stop12h 15mMultiple Airlines

Deal found 17/9£172

Sat 4/1008:40STN - SOU

1 stop6h 10mMultiple Airlines

Sat 11/1015:20SOU - STN

1 stop5h 35mMultiple Airlines

Deal found 16/9£144

Sat 4/1007:05LTN - SOU

1 stop7h 45mMultiple Airlines

Sat 11/1008:55SOU - LTN

1 stop7h 50mMultiple Airlines

Deal found 16/9£157

Fri 31/1020:10LGW - SOU

1 stop12h 35mMultiple Airlines

Fri 7/1119:50SOU - LGW

1 stop16h 15mMultiple Airlines

Deal found 16/9£157

Fri 31/1020:55LTN - SOU

1 stop11h 50mMultiple Airlines

Fri 7/1119:50SOU - LTN

1 stop16h 00mMultiple Airlines

Deal found 16/9£160

Fri 31/1021:45STN - SOU

1 stop11h 00mMultiple Airlines

Fri 7/1119:50SOU - STN

1 stop11h 25mMultiple Airlines

Deal found 16/9£163

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 18 September 2025.

Mon 20/1021:55LTN - SOU

1 stop10h 20mMultiple Airlines

Deal found 16/9£61

Mon 20/1021:30LGW - SOU

1 stop10h 45mMultiple Airlines

Deal found 16/9£62

Mon 20/1020:10LHR - SOU

1 stop12h 05mAer Lingus

Deal found 16/9£81

Mon 20/1017:20STN - SOU

1 stop14h 55mMultiple Airlines

Deal found 16/9£83

Wed 24/920:50LHR - SOU

2 stops23h 25mMultiple Airlines

Deal found 15/9£127

Mon 20/1016:50LHR - SOU

2 stops18h 55mMultiple Airlines

Deal found 16/9£127

Sun 26/1010:40LHR - SOU

1 stop7h 10mBritish Airways

Deal found 17/9£152

Sat 18/1008:35LGW - SOU

1 stop6h 00mAurigny Air

Deal found 15/9£165

Sat 18/1019:20LHR - SOU

1 stop13h 05mBritish Airways

Deal found 15/9£188

Mon 20/1008:50LCY - SOU

1 stop3h 50mBritish Airways

Deal found 16/9£206

Sun 2/1119:20LCY - SOU

1 stop12h 10mAurigny Air

Deal found 18/9£264

Sun 26/1014:25LCY - SOU

1 stop4h 05mBritish Airways

Deal found 17/9£268

Fly from

Fly to

Route

Depart

Return

Price

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Sat 1/11

08:30-14:50

1 stop6h 20m

Southampton Eastleigh

Sat 8/11

15:20-19:25

1 stop4h 05m

£140

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Sat 4/10

08:40-14:50

1 stop6h 10m

Southampton Eastleigh

Sat 11/10

15:20-20:55

1 stop5h 35m

£144

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Thu 2/10

08:30-14:20

1 stop5h 50m

Southampton Eastleigh

Wed 8/10

09:00-21:35

1 stop12h 35m

£149

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Thu 2/10

19:40-18:55

1 stop23h 15m

Southampton Eastleigh

Wed 8/10

09:00-16:20

1 stop7h 20m

£153

LondonSouthampton

LTN - SOU

LTNSOU

London Luton

Sat 4/10

07:05-14:50

1 stop7h 45m

Southampton Eastleigh

Sat 11/10

08:55-16:45

1 stop7h 50m

£157

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Fri 31/10

20:10-08:45

1 stop12h 35m

Southampton Eastleigh

Fri 7/11

19:50-12:05

1 stop16h 15m

£157

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Thu 2/10

07:45-14:20

1 stop6h 35m

Southampton Eastleigh

Mon 6/10

11:50-23:15

1 stop11h 25m

£162

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Thu 2/10

19:40-18:55

1 stop23h 15m

Southampton Eastleigh

Mon 6/10

08:05-14:25

1 stop6h 20m

£162

LondonSouthampton

LTN - SOU

LTNSOU

London Luton

Thu 2/10

21:10-08:40

1 stop11h 30m

Southampton Eastleigh

Wed 8/10

09:00-22:55

1 stop13h 55m

£163

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Fri 31/10

21:45-08:45

1 stop11h 00m

Southampton Eastleigh

Fri 7/11

19:50-07:15

1 stop11h 25m

£163

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 44 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?

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.

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 50m. Fly via easyJet or Aer Lingus to get the fastest option. The distance from London to Portsmouth is about 94 mi. Both multi-stop and direct flights can be found to your destination and back.
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 Aer Lingus (£81), British Airways (£152), and Aurigny Air (£165).
What are the most popular routes from London to Portsmouth?
While some choose either London Heathrow - Southampton Eastleigh or London Gatwick - Southampton Eastleigh, London City - 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.
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 August is currently the most expensive (average of £164). 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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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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Cheap flights from London to Portsmouth from £61

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 20/10. 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 18 September 2025.

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 18 September 2025.

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 18 September 2025.

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 18 September 2025.

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 cheapest airlines to fly from London to Portsmouth one-way?

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?

What is the cheapest month to book a flight from 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 18 September 2025.