When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 61 days in advance, which can save you up to 54% on flights from Southampton to Portsmouth compared to booking the week you need them. Waiting 61 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £376. For sooner than that we have options available in the next 3 days from £481.
Due to multiple factors, expect to potentially pay more when booking in July. For low rates, November can be a great choice for travel to Portsmouth. Flights to Portsmouth from Southampton in November are about £315 on average during November, but can be found for as low as £226.
At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Southampton and Portsmouth for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.
The rainfall in Southampton is generally more than the rainfall in Portsmouth. This will continue over the next 13 days.
With an average temperature of 29 °C, peak weather can be found in July. As a traveller, expect to see changes in flight prices during that period. The temperatures in Portsmouth are hotter than in Southampton.