Direct (nonstop) flights from Chicago to Idaho Falls
2 airlines fly nonstop from Chicago O Hare International (ORD) to Idaho Falls Rgnl (IDA). It's 1,229 miles (1,978 km), about 3h 36m 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 Idaho Falls with one stop · direct emits 208 kg CO₂ per passenger
Looking for the return flight?
IDA → ORD: Flights from Idaho Falls to ChicagoOther direct flights from Chicago
Direct flights from Idaho Falls (IDA)
Frequently Asked Questions
How long is the direct flight from Chicago to Idaho Falls?
A nonstop flight from Chicago (ORD) to Idaho Falls (IDA) takes approximately 3 hours and 36 minutes. The distance is 1,229 miles (1,978 km).
Which airlines fly nonstop from Chicago to Idaho Falls?
2 airlines: American Airlines, United Airlines.
Is there a nonstop flight from Chicago to Idaho Falls?
Yes. 2 airlines: American Airlines, United Airlines.
How far is Chicago from Idaho Falls?
The flight distance from Chicago to Idaho Falls is 1,229 miles (1,978 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Miami.
What type of aircraft flies from Chicago to Idaho Falls?
At 3h 36m, 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 Chicago to Idaho Falls?
Roughly 208 kg CO2 per passenger one-way. That's about the same as driving 1,040 km.
Is the return flight from Idaho Falls 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 Idaho Falls?
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.