Direct (nonstop) flights from Chicago to Chattanooga
2 airlines fly nonstop from Chicago O Hare International (ORD) to Lovell Fld (CHA). It's 500 miles (805 km), about 1h 52m in the air. Operated by American Airlines, United Airlines.
American Airlines
United Airlines
Route data last updated: May 28, 2026
Airlines with non-stop flights
AA
American Airlines
UA
United Airlines
Alternative Routes
Other ways to fly from Chicago to Chattanooga with one stop · direct emits 93 kg CO₂ per passenger
Looking for the return flight?
CHA → ORD: Flights from Chattanooga to ChicagoOther direct flights from Chicago
Direct flights from Chattanooga (CHA)
Frequently Asked Questions
How long is the direct flight from Chicago to Chattanooga?
A nonstop flight from Chicago (ORD) to Chattanooga (CHA) takes approximately 1 hours and 52 minutes. The distance is 500 miles (805 km).
Which airlines fly nonstop from Chicago to Chattanooga?
2 airlines: American Airlines, United Airlines.
Is there a nonstop flight from Chicago to Chattanooga?
Yes. 2 airlines: American Airlines, United Airlines.
How far is Chicago from Chattanooga?
The flight distance from Chicago to Chattanooga is 500 miles (805 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as Mumbai to Goa.
What type of aircraft flies from Chicago to Chattanooga?
At 1h 52m, 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 Chattanooga?
Roughly 93 kg CO2 per passenger one-way. That's about the same as driving 465 km.
Is the return flight from Chattanooga 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 Chattanooga?
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.