Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
High demand for flights, 6% potential price rise
Best time to find cheap flights, 3% potential price drop
Average for round-trip flights in June 2021
From Hong Kong Intl to Portsmouth
Portsmouth 2021 flight deals
Cheap flights to Portsmouth found for this year
17 Dec - 2 Jan
Hong Kong Intl
Hong Kong Intl
Cheapest prices for Portsmouth flights by month
The cheapest ticket to Portsmouth found for each month in 2021 based on historical flight searches by Cheapflights users.
Currently, February is the cheapest month in which you can book a flight to Portsmouth. Flying to Portsmouth in July will prove the most costly. There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.
When is the best time to fly to Portsmouth?
Average London flight ticket prices and weather conditions for 2021 and 2022 by month.
HKG - LON
HK$4,421 - HK$8,503
9 - 23 °C
35 - 71 mm
Whilst there are several times of the year to choose from, February is seen as the time to fly to Portsmouth, however, it is possible to get good deals throughout the year. If weather is an important factor for you when considering when to fly to Portsmouth, the warmest period tends to be July, with the wettest being October.
When is the best time to book a flight to Portsmouth?
To ensure you get the cheapest price possible for a flight to Portsmouth, you should look to book at least 30 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Which day is cheapest to fly to Portsmouth?
At the moment, Tuesday is the most economical day to take a flight to Portsmouth. Saturday is likely to be the most costly.
What time of day is cheapest to fly to Portsmouth?
At the moment, flights at midday are likely to offer the best value for money for your Portsmouth trip. A flight in the evening will more often than not be of higher cost.
Alternative, similarly priced destinations
See alternative destinations where airfare is generally forecast to be close to Portsmouth flight prices.