Direct (nonstop) flights from Houston to Chattanooga
1 airline flys nonstop from George Bush Intcntl Houston (IAH) to Lovell Fld (CHA). It's 686 miles (1,104 km), about 2h 3m in the air. Operated by United Airlines.
United Airlines
Route data last updated: May 31, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Houston to Chattanooga with one stop · direct emits 127 kg CO₂ per passenger
Looking for the return flight?
CHA → IAH: Flights from Chattanooga to HoustonOther direct flights from Houston
Direct flights from Chattanooga (CHA)
Frequently Asked Questions
How long is the direct flight from Houston to Chattanooga?
A nonstop flight from Houston (IAH) to Chattanooga (CHA) takes approximately 2 hours and 3 minutes. The distance is 686 miles (1,104 km).
Which airlines fly nonstop from Houston to Chattanooga?
Just United Airlines.
Is there a nonstop flight from Houston to Chattanooga?
Yes. 1 airline: United Airlines.
How far is Houston from Chattanooga?
The flight distance from Houston to Chattanooga is 686 miles (1,104 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as the length of Italy.
What type of aircraft flies from Houston to Chattanooga?
At 2h 3m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
What is the carbon footprint of a flight from Houston to Chattanooga?
Roughly 127 kg CO2 per passenger one-way. That's about the same as driving 635 km.
Is the return flight from Chattanooga to Houston 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 Houston 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 George Bush Intcntl Houston for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.