$2,571+ Cheap flights to Portsmouth
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 19/12. Fares are subject to change and may not be available on all flights or dates of travel.
Flights to Portsmouth in 2025
Find the latest flights to Portsmouth in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 14 agosto 2025.
Find flight deals to Portsmouth
Cheapest flights to PortsmouthExplore the most affordable flight options available to Portsmouth. Find the lowest fares based on data from user searches, with prices last updated on 14 agosto 2025.
Explore the most affordable flight options available to Portsmouth. Find the lowest fares based on data from user searches, with prices last updated on 14 agosto 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights to Portsmouth that are best for you.
Fly from
Route
Depart
Return
Price
SydneySouthampton
SYD - SOU
SYDSOU
Sydney Kingsford Smith
sáb 1/11
15:50-15:35
2 stops34h 45m
Southampton Eastleigh
sáb 8/11
09:30-06:50
2 stops34h 20m
SydneySouthampton
SYD - SOU
SYDSOU
Sydney Kingsford Smith
sex 26/9
15:40-15:45
2 stops33h 05m
Southampton Eastleigh
sex 3/10
09:40-07:50
3 stops37h 10m
SydneySouthampton
SYD - SOU
SYDSOU
Sydney Kingsford Smith
dom 5/10
15:50-19:30
2 stops37h 40m
Southampton Eastleigh
dom 12/10
09:10-18:10
2 stops47h 00m
SydneySouthampton
SYD - SOU
SYDSOU
Sydney Kingsford Smith
seg 22/12
15:50-12:00
2 stops31h 10m
Southampton Eastleigh
qui 22/1
20:10-06:50
2 stops47h 40m
SydneySouthampton
SYD - SOU
SYDSOU
Sydney Kingsford Smith
qua 27/8
20:45-19:25
2 stops31h 40m
Southampton Eastleigh
qua 3/9
09:10-06:15
2 stops36h 05m
SydneySouthampton
SYD - SOU
SYDSOU
Sydney Kingsford Smith
sáb 4/10
20:45-19:30
2 stops31h 45m
Southampton Eastleigh
sáb 11/10
09:40-18:10
2 stops46h 30m
SydneySouthampton
SYD - SOU
SYDSOU
Sydney Kingsford Smith
sex 19/12
15:50-19:40
2 stops62h 50m
Best time to book a flight to Portsmouth
Have a flexible travel schedule? Discover the best time to fly to Portsmouth with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight to Portsmouth
How long is the flight to Portsmouth?
On average, a flight from Sydney to Portsmouth takes 30 hours 10 minutes. Flights to Portsmouth from other popular cities in Australia will vary in length. Below are a few examples of popular routes and their flight times.
When is the cheapest time to fly to Portsmouth?
Use this chart to determine the cheapest time to fly return from Sydney to Portsmouth. Price data was last updated on 16 December 2024.
Users looking for the lowest fares to Portsmouth should consider flying on Saturday evenings, when prices are typically cheapest. Budget-minded travellers will want to avoid Wednesday at midday, when prices are usually at their highest.
Weekly flight availability to Portsmouth
The most flights from Sydney to Portsmouth are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).
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 mm 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).
FAQs about flying to Portsmouth
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Why should you use Cheapflights to find cheap flight tickets to Portsmouth?
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Can Cheapflights notify me if prices for flights to Portsmouth become cheaper?
Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to Portsmouth today and book when you’re ready!