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 October 2021
From Johannesburg to Portsmouth
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, May 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.
ZA1 - LON
R8 325 - R14 661
9 - 23 °C
35 - 71 mm
Flying to Portsmouth in July is usually considered the best time to fly. However, you will find other deals are always available year round. July tends to be the warmest period in Portsmouth so if you are looking for sun or warmer climates then look to fly around this time. October is the wettest if you need to factor this in to your plans.
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?
Monday is currently, on average, the cheapest day to fly to Portsmouth. Flying on Saturday will result in higher flight prices.
What time of day is cheapest to fly to Portsmouth?
Portsmouth flights can be made cheaper if you choose a flight in the morning. Booking a flight in the evening will likely mean higher prices.
Alternative, similarly priced destinations
See alternative destinations where airfare is generally forecast to be close to Portsmouth flight prices.