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

Jun 6 — Jun 131

How to find the cheapest flight from St. Louis (STL) to Appleton (ATW)

All the information you need to plan the best STL to ATW flight in 2023: compare St. Louis to Appleton flight prices with the expected peak season, weather and rainfall in Appleton.

Popular in


Cheapest in


Average price


Round-trip from

High demand for flights, 23% potential price rise
Best time to find cheap flights, 35% potential price drop
Average for round-trip flights in June 2023
From Lambert-St Louis to Appleton Intl



$399 - $623



17.6 - 71.6 °F



1.1 - 3.8 inches

Related info for your journey

Useful info, stats and facts about St. Louis to Appleton flights.

Top 2 airlines flying from St. Louis to Appleton

The chart below displays the airlines Cheapflights users traveling from St. Louis to Appleton choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
United AirlinesCheapest$272Average$498FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
American AirlinesCheapest$318Average$398FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
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