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$19,206+ Cheap flights to Portsmouth

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/12. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
26 Feb — 5 Mar1
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 21 February 2025.

Return from

$1,417

Popular in

December

Cheapest in

March

Average price

$1,627
Turkish Airlines
  • Turkish Airlines
  • 23/3-3/4
  • 4 total stops
  • 58h 30m total
  • Sydney to London
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($412 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($101 potential savings vs. average return price).
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Average for return flights in February 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 21 February 2025.

Wed 24/1221:45SYD - SOU
2 stops52h 40mMultiple Airlines
Wed 14/108:40SOU - SYD
2 stops46h 55mMultiple Airlines
Deal found 20/2$19,206

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.

Travel insights for flights to Portsmouth

Get recent, data-driven insights about flights to Portsmouth including ideal travel times, pricing trends, and more.

How long is the flight to Portsmouth?

On average, a flight from Sydney to Portsmouth takes 48 hours 15 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).

  • 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, Virgin Australia 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 $1,940, however they can be found for as little as $87.

  • 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 is the closest property to London Heathrow (0.0 km away from London Heathrow).

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