How to find the cheapest flight from
St Louis (STL) to Decatur (DEC)
What is the cheapest day to fly round-trip from St Louis to Decatur?
Users have found that leaving on a Sunday can be a cost-effective option. It’s possible to save up to 1% on your flight compared to booking on days when demand is much higher.
When is the cheapest time to fly from St Louis to Decatur (STL - DEC)?
Unlike at noon, when flights are generally more expensive, you can save up to 15% on flights from St Louis to Decatur by exploring options for tickets in the morning.
Related info for your journey
Useful info, stats and facts about St Louis to Decatur flights.
Alternative routes for St Louis to Decatur
Destination information for Decatur
Things to know before you go. Useful info for your trip from St Louis to Decatur