Due to multiple factors, expect to potentially pay more when booking in December. For low rates, June can be a great choice for travel to Londonderry. Flights to Londonderry from Coventry in June are about £204 on average during June, but can be found for as low as £124.
When flying from Coventry to Londonderry, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.