How long is the flight from London to Portsmouth?

There are many flights that can get you from London to Portsmouth in 1h 50m. Fly via Lufthansa, easyJet, 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 City - Southampton Eastleigh or London Gatwick - Southampton Eastleigh, London Heathrow - 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.

£52+ Cheap Flights from London to Portsmouth

Cheap flight deals from London to Portsmouth

Enter your travel dates to find the best prices.

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Best

Direct

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One-way

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 14 September 2026.

Sat 24/1020:00 -

Nonstop1h 50m

Sat 31/1019:00 -

Nonstop1h 50m

Deal found 9/9£81

Sun 29/1105:55 -

1 stop9h 40m

Sun 13/1214:00 -

1 stop8h 45m

Deal found 9/9£104

Tue 27/1020:45 -

1 stop12h 00m

Tue 3/1112:15 -

1 stop8h 00m

Deal found 12/9£106

Sat 3/1022:00 -

1 stop14h 05m

Sat 10/1012:15 -

1 stop9h 20m

Deal found 10/9£106

Sat 10/1019:25 -

1 stop12h 30m

Mon 12/1019:20 -

1 stop13h 45m

Deal found 13/9£106

Mon 2/1106:35 -

1 stop5h 20m

Mon 9/1117:55 -

1 stop4h 00m

Deal found 12/9£108

Sat 10/1009:25 -

1 stop6h 50m

Mon 12/1020:40 -

1 stop10h 40m

Deal found 13/9£115

Mon 2/1121:30 -

1 stop11h 20m

Mon 9/1119:25 -

1 stop13h 45m

Deal found 12/9£115

Mon 2/1106:10 -

1 stop5h 45m

Mon 9/1112:35 -

1 stop9h 35m

Deal found 11/9£116

Sat 17/1022:00 -

1 stop10h 35m

Tue 20/1013:25 -

1 stop9h 25m

Deal found 10/9£117

Sun 25/1022:05 -

1 stop10h 45m

Sun 1/1114:00 -

1 stop8h 55m

Deal found 10/9£118

Tue 27/1007:05 -

1 stop4h 40m

Tue 3/1112:15 -

1 stop9h 35m

Deal found 12/9£121

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 14 September 2026.

Sat 24/1020:00 -

Nonstop1h 50m

Sat 31/1019:00 -

Nonstop1h 50m

Deal found 9/9£81

Sun 29/1105:55 -

1 stop9h 40m

Sun 13/1214:00 -

1 stop8h 45m

Deal found 9/9£104

Tue 27/1020:45 -

1 stop12h 00m

Tue 3/1112:15 -

1 stop8h 00m

Deal found 12/9£106

Sat 24/1012:00 -

1 stop7h 30m

Sat 31/1012:25 -

1 stop5h 25m

Deal found 9/9£193

Sat 3/1022:00 -

1 stop14h 05m

Sat 10/1012:15 -

1 stop9h 20m

Deal found 10/9£106

Mon 2/1106:35 -

1 stop5h 20m

Mon 9/1117:55 -

1 stop4h 00m

Deal found 12/9£108

Tue 27/1007:05 -

1 stop4h 40m

Tue 3/1112:15 -

1 stop9h 35m

Deal found 12/9£121

Mon 2/1120:25 -

1 stop11h 45m

Mon 9/1117:45 -

1 stop3h 05m

Deal found 11/9£245

Mon 2/1106:10 -

1 stop5h 45m

Mon 9/1112:35 -

1 stop9h 35m

Deal found 11/9£116

Sat 3/1007:05 -

1 stop4h 40m

Tue 13/1013:25 -

1 stop8h 40m

Deal found 13/9£129

Thu 8/1016:25 -

1 stop3h 00m

Thu 15/1008:00 -

1 stop11h 10m

Deal found 10/9£305

Sun 25/1022:05 -

1 stop10h 45m

Sun 1/1114:00 -

1 stop8h 55m

Deal found 10/9£117

Tue 27/1018:35 -

1 stop14h 10m

Tue 3/1112:15 -

1 stop10h 00m

Deal found 12/9£133

Tue 13/1019:20 -

1 stop14h 55m

Tue 20/1013:25 -

1 stop9h 25m

Deal found 13/9£121

Sun 29/1107:30 -

1 stop8h 05m

Sun 13/1216:05 -

1 stop6h 30m

Deal found 9/9£123

Mon 28/906:15 -

1 stop5h 35m

Fri 2/1012:20 -

1 stop10h 15m

Deal found 13/9£160

Thu 8/1007:40 -

1 stop9h 10m

Thu 15/1009:20 -

1 stop6h 40m

Deal found 10/9£214

Sat 17/1011:00 -

1 stop8h 30m

Tue 20/1013:25 -

1 stop3h 45m

Deal found 11/9£124

Fri 22/111:00 -

1 stop8h 25m

Sun 7/212:35 -

1 stop6h 05m

Deal found 13/9£448

Sat 17/1021:10 -

1 stop11h 25m

Tue 20/1009:15 -

1 stop6h 45m

Deal found 9/9£215

Sat 24/1006:35 -

1 stop12h 55m

Sat 31/1008:20 -

1 stop14h 15m

Deal found 9/9£124

Sat 14/1116:25 -

1 stop16h 30m

Sat 21/1117:20 -

1 stop3h 30m

Deal found 11/9£245

Mon 2/1109:40 -

1 stop9h 50m

Mon 9/1117:55 -

1 stop4h 25m

Deal found 9/9£125

Mon 12/1015:10 -

1 stop4h 20m

Mon 19/1020:00 -

1 stop13h 05m

Deal found 13/9£242

Mon 2/1120:05 -

1 stop12h 05m

Mon 9/1108:40 -

1 stop8h 40m

Deal found 11/9£271

Sat 17/1020:20 -

1 stop12h 15m

Tue 20/1013:25 -

1 stop10h 00m

Deal found 10/9£127

Thu 8/1019:20 -

1 stop12h 10m

Thu 15/1008:00 -

1 stop10h 50m

Deal found 10/9£328

Tue 27/1020:05 -

1 stop12h 05m

Tue 3/1108:40 -

1 stop9h 45m

Deal found 12/9£274

Sat 3/1021:25 -

1 stop11h 10m

Sat 10/1012:15 -

1 stop4h 30m

Deal found 10/9£129

Wed 7/1008:30 -

1 stop10h 55m

Wed 14/1019:55 -

1 stop12h 05m

Deal found 9/9£328

Find flight deals from London to Portsmouth

Round-trip from	£81
One-way from	£52

Lufthansa
24/10-31/10
Nonstop
3h 40m total
London to Portsmouth

Search Deals

8/10-31/12
1 total stop
27h 05m total
London to Portsmouth

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSouthampton

LTN London Luton - SOU Southampton Eastleigh

LTNSOU

London Luton

Thu 8/10

05:40-08:45

1 stop27h 05m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£52

LondonSouthampton

STN London Stansted - SOU Southampton Eastleigh

STNSOU

London Stansted

Thu 8/10

21:55-08:45

1 stop10h 50m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£57

LondonSouthampton

STN London Stansted - SOU Southampton Eastleigh

STNSOU

London Stansted

Sat 19/9

18:30-07:55

1 stop13h 25m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£62

LondonSouthampton

LHR London Heathrow - SOU Southampton Eastleigh

LHRSOU

London Heathrow

Thu 8/10

20:50-08:45

1 stop11h 55m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£64

LondonSouthampton

STN London Stansted - SOU Southampton Eastleigh

STNSOU

London Stansted

Mon 12/10

22:45-08:40

1 stop9h 55m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£64

LondonSouthampton

LGW London Gatwick - SOU Southampton Eastleigh

LGWSOU

London Gatwick

Thu 8/10

09:45-19:30

1 stop9h 45m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£66

LondonSouthampton

LGW London Gatwick - SOU Southampton Eastleigh

LGWSOU

London Gatwick

Fri 9/10

17:50-11:45

1 stop17h 55m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£69

LondonSouthampton

STN London Stansted - SOU Southampton Eastleigh

STNSOU

London Stansted

Fri 18/9

22:50-19:30

1 stop20h 40m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£81

Fastest return journey

LondonSouthampton

LHR London Heathrow - SOU Southampton Eastleigh

LHRSOU

London Heathrow

Sat 24/10

20:00-21:50

Nonstop1h 50m

Southampton Eastleigh

Sat 31/10

19:00-20:50

Nonstop1h 50m

£81

LondonSouthampton

SEN London Southend - SOU Southampton Eastleigh

SENSOU

London Southend

Mon 12/10

06:30-20:05

1 stop13h 35m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£101

Flights are sorted by cheapest return flights first.

Deals found on 9/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

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.

LTN-SOU

LGW-SOU

STN-SOU

LHR-SOU

SEN-SOU

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

LON-P0R

LTN-SOU

LGW-SOU

STN-SOU

LHR-SOU

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 at midday tend to be the most expensive. A flight in the evening could potentially save you up to 45% 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 1h 50m. Fly via Lufthansa, easyJet, 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 City - Southampton Eastleigh or London Gatwick - Southampton Eastleigh, London Heathrow - 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

Browse thousands of different options on Cheapflights for your next trip

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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?

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Cheap flights from London to Portsmouth from £52

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Portsmouth

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 14 September 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 14 September 2026.

Best flights from London to PortsmouthDiscover 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 14 September 2026.

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 14 September 2026.

Direct flights from London to PortsmouthExplore direct flight options from London to Portsmouth based on user searches, and compare prices and availability for your desired travel dates. Data last updated 14 September 2026.

Explore direct flight options from London to Portsmouth based on user searches, and compare prices and availability for your desired travel dates. Data last updated 14 September 2026.

Last-minute flights from London to PortsmouthDiscover last-minute flight deals from London to Portsmouth. Data last updated 14 September 2026 and is based on user searches.

Discover last-minute flight deals from London to Portsmouth. Data last updated 14 September 2026 and is based on user searches.

One-way flights from London to PortsmouthSearch for one-way flight options from London to Portsmouth. Find affordable one-way fares based on user searches. Data last updated 14 September 2026.

Search for one-way flight options from London to Portsmouth. Find affordable one-way fares based on user searches. Data last updated 14 September 2026.

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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.

Cheapflights Insights

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 14 September 2026.

One of the essential ways to save on airfare from London to Portsmouth is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the evening could potentially save you up to 45% on airfare.

Related info for your journey

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?

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Direct flights to England

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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 14 September 2026.

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 14 September 2026.

Direct flights from London to Portsmouth
Explore direct flight options from London to Portsmouth based on user searches, and compare prices and availability for your desired travel dates. Data last updated 14 September 2026.

Last-minute flights from London to Portsmouth
Discover last-minute flight deals from London to Portsmouth. Data last updated 14 September 2026 and is based on user searches.

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 14 September 2026.