Due to multiple factors, expect to potentially pay more when booking in June. For low rates, April can be a great choice for travel to Swansea. Flights to Swansea from Southampton in April are about £134 on average during April, but can be found for as low as £80.
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 Swansea 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 Swansea is generally colder than in Southampton. Book flights in a timely manner in correlation to your departure date.