$195 Find Cheap Flights from Dayton to St. Louis - Compare and Save

Flights from Dayton to St. Louis usually depart from Dayton (DAY) and arrive at Lambert-St Louis (STL).

Two cabin classes are available on flights from Dayton to St. Louis:

• Economy Class
• First Class

One-stop flights from Dayton to St. Louis most commonly connect through:

• Chicago O'Hare Intl (ORD) - 77% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 16% of one-stop connections
• Charlotte Douglas (CLT) - 7% of one-stop connections

Chicago O'Hare Intl (ORD) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 48% on the Dayton to St. Louis route. Wednesday is the cheapest departure day at $248 round-trip on average, while Sunday is the most expensive at $469, a difference of $221. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Some of the most popular sights in St. Louis are Downtown St. Louis, Busch Stadium and Enterprise Center. These are among the most viewed places in St. Louis on KAYAK.

There are currently no nonstop flights available from Dayton to St. Louis. Flights with 1 layover take between 4h 17m and 4h 58m in total, depending on the connection.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $301 to $1,401. That means the highest observed fare was about 5x higher than the lowest one.

One-way fares from Dayton to St. Louis are currently higher than usual. Average one-way flight prices are about $286, which is 15% above the typical average for this route.

Flying via Chicago O'Hare Intl (ORD) gives the shortest average 1-stop total travel time at 4h 17m, compared with 4h 28m via Charlotte Douglas (CLT) and 4h 58m via Atlanta Hartsfield-Jackson (ATL).

St. Louis is 1 hour behind Dayton (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Lambert-St Louis Airport (STL) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:
• Hertz
• Budget
• Alamo
• Enterprise Rent-A-Car
• Payless

Round-trip flights from Dayton to St. Louis range from $274 to $393, with an average of $338 over the past 12 months. Anything below $274 counts as a good deal.