Cheap flights to Portsmouth

— LHR
22 Aug — 29 Aug1
1 adult
1 adult, Economy, 0 bags

Find flight deals to Portsmouth

Find the latest flights to Portsmouth in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 22,532 searches and data was last updated on 23 July 2026.

Return from

Rp 9,629,497

One-way from

Rp 26,865,938

Popular in

August

Cheapest in

March

Average price

Rp 21,621,622
16/11-23/11
  • 16/11-23/11
  • 4 total stops
  • 49h 05m total
  • Denpasar to London
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2/1
  • 2/1
  • 2 total stops
  • 24h 00m total
  • Denpasar to Portsmouth
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Highest demand for flights based on searches. 16% potential increase in price (Rp 3,615,594 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (Rp 503,817 potential savings vs. average return price).
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Average for return flights in July 2026
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Cheapflights Insights

Everything you need to know about your flight to Portsmouth

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).

How long is the flight to Portsmouth?

On average, a flight from Denpasar to Portsmouth takes 21 hours 25 minutes. Flights to Portsmouth from other popular cities in Indonesia will vary in length. Below are a few examples of popular routes and their flight times.

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, SAUDIA is rated the highest out of the airlines that fly to Portsmouth.

  • Where does the fastest flight to Portsmouth depart from?

    For those looking to save time traveling to Portsmouth, Denpasar Bali Ngurah Rai offers the quickest one-way flight (21 hours 25 minutes).

  • Does London Heathrow have rental cars?

    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 notify me if prices for flights to Portsmouth become cheaper?

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