Flights from Belfast City to St John lean towards being more expensive in September. Prices are generally better when you fly from Belfast City to St John in March, with the cheapest ticket starting at £446.
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 Belfast City and St John 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.
When travelling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Belfast City is roughly less than St John. You can assume this to be the case over the next 26 days.
You can imagine temperatures to be in the 24 °C range in July. The weather in St John is generally hotter than Belfast City's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.