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$1,172+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
30 Mar — 6 Apr1
1 adult

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 25 March 2025.

Return from

$1,417

One-way from

$1,172

Popular in

December

Cheapest in

October

Average price

$1,694
Air China
  • Air China
  • 17/6-7/9
  • 2 total stops
  • 62h 15m total
  • Sydney to London
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8/5
  • 8/5
  • 2 total stops
  • 41h 40m total
  • Sydney to Portsmouth
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($410 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($104 potential savings vs. average return price).
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Average for return flights in March 2025
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Find flight deals to Portsmouth

Cheapest flights to Portsmouth
Explore the most affordable flight options available to Portsmouth. Find the lowest fares based on data from user searches, with prices last updated on 25 March 2025.

Fri 9/514:05SYD - SOU
3 stops34h 40mMultiple Airlines
Fri 16/509:40SOU - SYD
3 stops35h 30mMultiple Airlines
Deal found 25/3$2,596
Sun 17/814:50SYD - SOU
2 stops37h 40mQatar Airways
Wed 27/809:10SOU - SYD
2 stops36h 05mQatar Airways
Deal found 25/3$2,699
Fri 9/522:10SYD - SOU
3 stops52h 40mKLM
Fri 16/517:35SOU - SYD
2 stops28h 05mKLM
Deal found 25/3$2,855

Cheapflights Fare Finder

Locate flights to Portsmouth that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 25 March 2025.
Use the filters below to find and compare flights to Portsmouth that are best for you.

Fly from

Sydney

Route

Depart

Return

Price

SydneySouthampton

SYD - SOU

SYDSOU

Sydney Kingsford Smith

Fri 9/5

14:05-15:45

3 stops34h 40m

Southampton Eastleigh

Fri 16/5

09:40-06:10

3 stops35h 30m

$2,596

SydneySouthampton

SYD - SOU

SYDSOU

Sydney Kingsford Smith

Sun 17/8

14:50-19:30

2 stops37h 40m

Southampton Eastleigh

Wed 27/8

09:10-06:15

2 stops36h 05m

$2,699

SydneySouthampton

SYD - SOU

SYDSOU

Sydney Kingsford Smith

Fri 9/5

22:10-17:50

3 stops52h 40m

Southampton Eastleigh

Fri 16/5

17:35-06:40

2 stops28h 05m

$2,855

SydneySouthampton

SYD - SOU

SYDSOU

Sydney Kingsford Smith

Thu 8/5

10:15-18:55

2 stops41h 40m

$1,172

SydneySouthampton

SYD - SOU

SYDSOU

Sydney Kingsford Smith

Tue 9/9

14:50-19:30

2 stops37h 40m

$1,554

Flights are sorted by cheapest return flights first.

Deals found on 23/3

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.
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 to Portsmouth

How long is the flight to Portsmouth?

On average, a flight from Sydney to Portsmouth takes 31 hours 40 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.

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).

Reviews of airlines servicing Portsmouth

Get insights into the airlines that provide service to Portsmouth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portsmouth. Reviews last updated 25 March 2025.
KLM
7.8
Good
1,318 reviews
Check prices

Entertainment

7.1

Crew

8.4

Food

7.3

Comfort

7.7

Boarding

7.8

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,318 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Entertainment

7.1

Crew

8.4

Food

7.3

Comfort

7.7

Boarding

7.8

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Qatar Airways
7.4
Good
3,539 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Entertainment

7.1

Crew

8.4

Food

7.3

Comfort

7.7

Boarding

7.8

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

FAQs about flying to Portsmouth

  • Can I find cheaper flights to Portsmouth if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Portsmouth on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Portsmouth?

    Based on reviews from Cheapflights users, Hainan Airlines is rated the highest out of the airlines that fly to Portsmouth.

  • How much is a return flight to Portsmouth?

    A return flight to Portsmouth will typically cost around $1,364, however they can be found for as little as $99.

  • Where does the fastest flight to Portsmouth depart from?

    For those looking to save time traveling to Portsmouth, Melbourne offers the quickest one-way flight (27 hours 10 minutes).

  • Does London Heathrow have car hire?

    Yes. Those touching down at London Heathrow can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to London Heathrow?

    Yes. London Heathrow has hotels nearby for those requiring accommodations. Aerotel London Heathrow, Terminal 2 & Terminal 3 is the closest property to London Heathrow (0.0 km away from London Heathrow).

See more FAQs

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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!

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