When flying from Saint John to Dallas/Fort Worth Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
If you book a flight to Dallas/Fort Worth from Saint John, you will be flying from Saint John, which is the city’s only airport. Saint John (YSJ) is located 15.1 km from the centre of Saint John. There are 0 flights from Saint John to Dallas/Fort Worth per day from 2 different airlines.