April can be a great time to fly to Saint Petersburg from St. Louis with a flight ticket averaging about $1,143. Cheapflights users have found deals in the month of April for as cheap as $895. The most expensive prices can be found in the month of July.
When flying from St. Louis to Saint Petersburg, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Travelers have found that booking a Sunday departure is the best way to save up to 40% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.