Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
High demand for flights, 3% potential price rise
Best time to find cheap flights, 2% potential price drop
Average for round-trip flights in April 2021
From Johannesburg to Southampton
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.
February is currently the cheapest month to fly to Portsmouth. At this moment in time December is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.
When is the best time to fly to Portsmouth?
Average London flight ticket prices and weather conditions for 2021 and 2022 by month.
JNB - LON
R8 032 - R14 146
9 - 23 °C
35 - 71 mm
Flying to Portsmouth in February is usually considered the best time to fly. However, you will find other deals are always available year round. July sees the temperatures in Portsmouth peak to their warmest. October tends, on average, to see the most amount of rainfall.
When is the best time to book a flight to Portsmouth?
The price you pay for your flight to Portsmouth may vary depending on when you book. For the best chance of a lower fare, look to book 61 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Which day is cheapest to fly to Portsmouth?
The cheapest day to fly to Portsmouth is usually Monday. At the moment, Saturday is the most expensive.
What time of day is cheapest to fly to Portsmouth?
To get the best value, try booking a flight in the morning when visiting Portsmouth. Generally the prices will increase for flights in the evening as these tend to have higher demand.
Alternative, similarly priced destinations
See alternative destinations where airfare is generally forecast to be close to Portsmouth flight prices.