Australia
AUD

Cheap flights to Portsmouth

— LHR
7 Nov — 14 Nov1
1 adult
1 adult, Economy, 0 bags

Find flight deals to Portsmouth

Return from

$1,395

Popular in

December

Cheapest in

February

Average price

$1,704
China Eastern
  • China Eastern
  • 25/2-11/3
  • 2 total stops
  • 57h 00m total
  • Sydney to London
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Highest demand for flights based on searches. 7% potential increase in price ($154 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease ($54 potential savings vs. average return price).
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Average for return flights in October 2026
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Cheapflights Insights

Everything you need to know about your flight to Portsmouth

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 Tuesday, which is when the least amount of flights are scheduled (2 on average).

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, SWISS 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 $192, however they can be found for as little as $182.

  • Where does the fastest flight to Portsmouth depart from?

    For those looking to save time traveling to Portsmouth, Perth offers the quickest one-way flight (28 hours 20 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).

See more FAQs

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Can Cheapflights find flights to Portsmouth with no change fees?

Need flexible booking options for your flight to Portsmouth ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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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