Direct (nonstop) flights from Chicago to Dayton
2 airlines fly nonstop from Chicago O Hare International (ORD) to James M Cox Dayton International (DAY). It's 240 miles (386 km), about 1h 21m in the air. Operated by American Airlines, United Airlines.
American Airlines
United Airlines
Route data last updated: May 30, 2026
Airlines with non-stop flights
AA
American Airlines
UA
United Airlines
Alternative Routes
Other ways to fly from Chicago to Dayton with one stop · direct emits 44 kg CO₂ per passenger
Looking for the return flight?
DAY → ORD: Flights from Dayton to ChicagoOther direct flights from Chicago
Direct flights from Dayton (DAY)
Frequently Asked Questions
How long is the direct flight from Chicago to Dayton?
A nonstop flight from Chicago (ORD) to Dayton (DAY) takes approximately 1 hours and 21 minutes. The distance is 240 miles (386 km).
Which airlines fly nonstop from Chicago to Dayton?
2 airlines: American Airlines, United Airlines.
Is there a nonstop flight from Chicago to Dayton?
Yes. 2 airlines: American Airlines, United Airlines.
How far is Chicago from Dayton?
The flight distance from Chicago to Dayton is 240 miles (386 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Paris.
What type of aircraft flies from Chicago to Dayton?
At 1h 21m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Chicago to Dayton?
Roughly 44 kg CO2 per passenger one-way. That's about the same as driving 220 km.
Is the return flight from Dayton to Chicago also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Chicago to Dayton?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Chicago O Hare International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.