Direct (nonstop) flights from Chicago to Allentown
2 airlines fly nonstop from Chicago O Hare International (ORD) to Lehigh Valley Intl (ABE). It's 654 miles (1,053 km), about 2h 7m 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
Alternative Routes
Other ways to fly from Chicago to Allentown with one stop · direct emits 121 kg CO₂ per passenger
Looking for the return flight?
ABE → ORD: Flights from Allentown to ChicagoOther direct flights from Chicago
Direct flights from Allentown (ABE)
Frequently Asked Questions
How long is the direct flight from Chicago to Allentown?
A nonstop flight from Chicago (ORD) to Allentown (ABE) takes approximately 2 hours and 7 minutes. The distance is 654 miles (1,053 km).
Which airlines fly nonstop from Chicago to Allentown?
2 airlines: American Airlines, United Airlines.
Is there a nonstop flight from Chicago to Allentown?
Yes. 2 airlines: American Airlines, United Airlines.
How far is Chicago from Allentown?
The flight distance from Chicago to Allentown is 654 miles (1,053 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 Chicago to Allentown?
At 2h 7m, 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 Allentown?
Roughly 121 kg CO2 per passenger one-way. That's about the same as driving 605 km.
Is the return flight from Allentown 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 Allentown?
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.