Cheap flights to Portsmouth

PNS — LHR
2 Jul — 9 Jul1
Return
1 adult
Economy
From?
To?
Sat 2/7
Sat 9/7

Flights to Portsmouth in 2022

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
Popular inSeptemberHigh demand for flights, 12% potential price rise
Cheapest inFebruaryBest time to find cheap flights, 3% potential price drop
Average price$2,036Average for return flights in June 2022
Return from$1,296From Sydney Kingsford Smith to London

What is the cheapest month to fly to Portsmouth?

The cheapest ticket to Portsmouth found for each month in 2022 based on historical flight searches by Cheapflights users.

January

$1,689

February

$1,613

March

$1,659

April

$1,784

May

$1,748

June

$1,896

July

$1,843

August

$1,797

September

$1,689

October

$1,580

November

$1,698

December

$2,030

At the present moment the cheapest month to fly to Portsmouth is currently October; with December being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

When is the best time to fly to Portsmouth?

Average Portsmouth flight ticket prices and weather conditions for 2022 and 2023 by month

SYD - LON

Price

$1,598 - $2,430

LON

Temperature

4 - 17 °C

LON

Rainfall

40 - 70 mm

When is the best time to book a flight to Portsmouth?

Booking 45 days in advance of your planned departure date is, on average, the best time to get cheap flights to Portsmouth. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Which day is cheapest to fly to Portsmouth?

At the moment, Tuesday is the most economical day to take a flight to Portsmouth. Friday is likely to be the most costly.

What time of day is cheapest to fly to Portsmouth?

Portsmouth flights can be made cheaper if you choose a flight at midday. Booking a flight in the morning will likely mean higher prices.
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