Departing on a Monday is a good option for securing a great price. You can expect to save up to 99% when planning your travel around this day of the week.
To save up to 23% on this flight, we recommend booking at least 26 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from St Louis to Worcester from $270 1-2 weeks out and tickets from $316 for flights departing within the next 72 hours.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St Louis to Worcester as you normally would.