$1,946+ Cheap flights to Portsmouth

— LHR
7 Oct — 14 Oct1
1 adult
1 adult, Economy, 0 bags

Flights to Portsmouth in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Portsmouth

Thu 22/1017:15 -
3 stops52h 30m
Thu 29/1008:55 -
3 stops50h 30m
Deal found 7/9$3,313
Mon 7/917:15 -
3 stops61h 15m
Wed 30/919:55 -
3 stops40h 30m
Deal found 4/9$4,209
Wed 9/1217:45 -
3 stops62h 45m
Sat 9/110:15 -
3 stops31h 35m
Deal found 5/9$4,649

Find flight deals to Portsmouth

Return from

$2,040

Popular in

December

Cheapest in

January

Average price

$2,424
Hainan Airlines
  • Hainan Airlines
  • 13/10-30/10
  • 4 total stops
  • 63h 00m total
  • Auckland to London
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Highest demand for flights based on searches. 1% potential increase in price.
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Cheapest flight prices on average. 1% potential price decrease ($36 potential savings vs. average return price).
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Average for return flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights to Portsmouth that are best for you.

Fly from

Route

Departure

Return

Price

Cheapest return flight
Fastest return journey

AucklandSouthampton

AKL Auckland Intl - SOU Southampton Eastleigh

AKLSOU

Auckland Intl

Mon 21/9

17:15-19:25

3 stops37h 10m

Southampton Eastleigh

Wed 31/12

00:00-11:00

Nonstop0h 00m

$1,946

AucklandSouthampton

AKL Auckland Intl - SOU Southampton Eastleigh

AKLSOU

Auckland Intl

Thu 22/10

21:10-09:45

2 stops48h 35m

Southampton Eastleigh

Thu 29/10

08:55-11:15

2 stops37h 20m

$3,479

Flights are sorted by cheapest return flights first.

Deals found on 7/9

Sorted by cheapest first

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

Cheapflights Insights

Everything you need to know about your flight to Portsmouth

How long is the flight to Portsmouth?

On average, a flight from Auckland to Portsmouth takes 43 hours 15 minutes. Flights to Portsmouth from other popular cities in New Zealand will vary in length. Below are a few examples of popular routes and their flight times.

Rainfall in Portsmouth 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

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

  • 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, Singapore 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 $381, however they can be found for as little as $381.

  • Where does the fastest flight to Portsmouth depart from?

    For those looking to save time traveling to Portsmouth, Auckland Intl offers the quickest one-way flight (43 hours 15 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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