It’s generally more expensive to depart on a Saturday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.
Due to multiple factors, expect to potentially pay more when booking in November. For low rates, June can be a great choice for travel to Havana. Flights to Havana from Birmingham, Alabama in June are about $453 on average during June, but can be found for as low as $305.
When flying from Birmingham, Alabama to Havana, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.