Cheap flights from St. Louis to Appleton (STL - ATW)

Users have found that leaving on a Saturday can be a cost-effective option. It’s possible to save up to 72% on your flight compared to booking on days when demand is much higher.

Due to multiple factors, expect to potentially pay more when booking in November. For low rates, July can be a great choice for travel to Appleton. Flights to Appleton from St. Louis in July are about $460 on average during July, but can be found for as low as $300.

When flying from St. Louis to Appleton, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 36% versus a flight in the morning.

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Lambert-St Louis Airport to Appleton Intl Airport flight would often be abbreviated as a STL to ATW flight.