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 cheapest flights from London Stansted Airport to Portsmouth?

The cheapest flight price from London Stansted Airport to Portsmouth is £584. On average you can expect to pay £715. The most popular route, (London Stansted - Southampton Eastleigh), can usually be booked for £138.

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

Yes. In addition to deals on Stansted to Portsmouth flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Stansted to Portsmouth?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stansted to Portsmouth.

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

Yes. Cheapflights offers flight deals from Stansted 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.

£43+ Cheap Flights from London Stansted Airport to Portsmouth

Cheap flight deals from Stansted to Portsmouth

Enter your travel dates to find the best prices.

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Best

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Cheapest flights from Stansted to Portsmouth
Explore the most affordable flight options available from Stansted to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Sat 19/918:30 -

1 stop13h 25m

Mon 28/919:20 -

1 stop12h 10m

Deal found 16/8£104

Tue 15/919:20 -

1 stop14h 55m

Tue 22/913:25 -

1 stop9h 25m

Deal found 16/8£108

Wed 16/918:20 -

1 stop14h 15m

Wed 23/910:45 -

1 stop11h 55m

Deal found 16/8£112

Thu 1/1016:25 -

2 stops16h 20m

Thu 8/1011:40 -

1 stop8h 40m

Deal found 17/8£123

Sat 26/920:05 -

2 stops16h 00m

Mon 28/919:20 -

1 stop12h 10m

Deal found 16/8£131

Find flight deals from Stansted to Portsmouth

Round-trip from	£104
One-way from	£43

19/9-28/9
2 total stops
25h 35m total
London to Portsmouth

Search Deals

easyJet
29/9
1 total stop
12h 20m total
London to Portsmouth

Search Deals

Cheapflights Fare Finder

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

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Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSouthampton

STN London Stansted - SOU Southampton Eastleigh

STNSOU

London Stansted

Tue 15/9

19:20-10:15

1 stop14h 55m

Southampton Eastleigh

Tue 22/9

13:25-22:50

1 stop9h 25m

£108

LondonSouthampton

STN London Stansted - SOU Southampton Eastleigh

STNSOU

London Stansted

Thu 1/10

16:25-08:45

2 stops16h 20m

Southampton Eastleigh

Thu 8/10

11:40-20:20

1 stop8h 40m

£123

LondonSouthampton

STN London Stansted - SOU Southampton Eastleigh

STNSOU

London Stansted

Sat 19/9

06:35-19:30

1 stop12h 55m

Southampton Eastleigh

Mon 28/9

19:20-16:55

2 stops21h 35m

£134

Fastest return journey

LondonSouthampton

STN London Stansted - SOU Southampton Eastleigh

STNSOU

London Stansted

Sat 17/10

07:50-11:45

1 stop3h 55m

Southampton Eastleigh

Sat 24/10

12:15-21:35

1 stop9h 20m

£142

LondonSouthampton

STN London Stansted - SOU Southampton Eastleigh

STNSOU

London Stansted

Wed 16/9

19:35-08:45

1 stop13h 10m

Southampton Eastleigh

Wed 23/9

10:45-21:35

2 stops10h 50m

£148

LondonSouthampton

STN London Stansted - SOU Southampton Eastleigh

STNSOU

London Stansted

Mon 14/9

06:30-19:30

1 stop13h 00m

Southampton Eastleigh

Mon 21/9

20:40-17:40

2 stops21h 00m

£148

LondonSouthampton

STN London Stansted - SOU Southampton Eastleigh

STNSOU

London Stansted

Wed 2/9

18:20-08:35

1 stop14h 15m

Southampton Eastleigh

Sun 6/9

12:35-10:35

1 stop22h 00m

£156

LondonSouthampton

STN London Stansted - SOU Southampton Eastleigh

STNSOU

London Stansted

Thu 17/9

21:55-08:45

1 stop10h 50m

Southampton Eastleigh

Thu 24/9

20:00-07:50

1 stop11h 50m

£156

Cheapest one-way

LondonSouthampton

STN London Stansted - SOU Southampton Eastleigh

STNSOU

London Stansted

Tue 29/9

21:55-10:15

1 stop12h 20m

£43

LondonSouthampton

STN London Stansted - SOU Southampton Eastleigh

STNSOU

London Stansted

Sat 3/10

12:30-12:05

1 stop23h 35m

£46

Flights are sorted by cheapest return flights first.

Deals found on 18/8

Showing 1-10 of 13 resultsSorted by cheapest first

Best time to book a flight from Stansted to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth from Stansted with our price prediction graph.

STN-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 Stansted Airport to Portsmouth

STN-P0R

STN-SOU

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

A simple way to save on the total cost of your ticket is to fly from London Stansted Airport to Portsmouth in the morning. If you’re flexible enough to do this you can expect to save up to 39% on your trip compared to booking a flight at midday.

Related info for your journey

What are the cheapest flights from London Stansted Airport to Portsmouth?
The cheapest flight price from London Stansted Airport to Portsmouth is £584. On average you can expect to pay £715. The most popular route, (London Stansted - Southampton Eastleigh), can usually be booked for £138.
Can I find deals for flights from Stansted to Portsmouth that include hotel bookings?
Yes. In addition to deals on Stansted to Portsmouth flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Stansted to Portsmouth?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stansted to Portsmouth.
Can I find deals for business class flights from Stansted to Portsmouth?
Yes. Cheapflights offers flight deals from Stansted 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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How does Cheapflights help users find flights from Stansted to Portsmouth?

Cheapflights helps you search for flights from Stansted to Portsmouth via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Stansted to Portsmouth for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes! Cheapflights helps users easily find flights from Stansted to Portsmouth with no change fees.

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

Yes, Cheapflights offers price alerts on Stansted to Portsmouth flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from London Stansted Airport to Portsmouth from £43

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 29/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Stansted to Portsmouth

Cheapest flights from Stansted to PortsmouthExplore the most affordable flight options available from Stansted to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Explore the most affordable flight options available from Stansted to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Best flights from Stansted to PortsmouthDiscover carefully curated flight deals from Stansted to Portsmouth that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Discover carefully curated flight deals from Stansted to Portsmouth that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Last-minute flights from Stansted to PortsmouthDiscover last-minute flight deals from Stansted to Portsmouth. Data last updated 21 August 2026 and is based on user searches.

Discover last-minute flight deals from Stansted to Portsmouth. Data last updated 21 August 2026 and is based on user searches.

One-way flights from Stansted to PortsmouthSearch for one-way flight options from Stansted to Portsmouth. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.

Search for one-way flight options from Stansted to Portsmouth. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.

Find flight deals from Stansted to Portsmouth

Round-trip from

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Cheapflights Fare Finder

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

Best time to book a flight from Stansted to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth from Stansted with our price prediction graph.

Cheapflights Insights

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

Find hourly flight availability from Stansted 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 21 August 2026.

A simple way to save on the total cost of your ticket is to fly from London Stansted Airport to Portsmouth in the morning. If you’re flexible enough to do this you can expect to save up to 39% on your trip compared to booking a flight at midday.

Related info for your journey

What are the cheapest flights from London Stansted Airport to Portsmouth?

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

How can I find direct flights from Stansted to Portsmouth?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Stansted to Portsmouth

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

Complete your trip

Complete your trip to Portsmouth by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

Search flights from Stansted to Portsmouth by cabin class

Find flights from Stansted to Portsmouth, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Stansted and Portsmouth flights

Browse other Stansted and Portsmouth flight options. Last updated on 21 August 2026.

Other flights from Stansted

Browse through other flights departing from Stansted. Flights are based on user searches made on Cheapflights and were last updated on 21 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Stansted to Portsmouth flights

Consider these flights travelling from Stansted to Portsmouth.

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

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

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

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

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Book with Flexibility

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Cheapest flights from Stansted to Portsmouth
Explore the most affordable flight options available from Stansted to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Best flights from Stansted to Portsmouth
Discover carefully curated flight deals from Stansted to Portsmouth that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Last-minute flights from Stansted to Portsmouth
Discover last-minute flight deals from Stansted to Portsmouth. Data last updated 21 August 2026 and is based on user searches.

One-way flights from Stansted to Portsmouth
Search for one-way flight options from Stansted to Portsmouth. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.