Our data shows that August tends to be the cheapest month to fly to Southampton from Swansea. Users have commonly found prices around £58 for the month, but tickets can be as low as £42. Due to multiple factors, prepare for potentially higher prices in March.
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 Swansea and Southampton 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.
We forecast the temperature to be around the 22 °Cs in July, on average. The temperature in Southampton is generally hotter than in Swansea. Book flights in a timely manner in correlation to your departure date.