Direct (nonstop) flights from Baltimore to Chicago
3 airlines fly nonstop from Baltimore Washington International (BWI) to Chicago O Hare International (ORD). It's 621 miles (999 km), about 2h 23m in the air. Operated by American Airlines, Frontier Airlines, United Airlines.
American Airlines
Frontier Airlines
United Airlines
Route data last updated: May 24, 2026
Airlines with non-stop flights
AA
American Airlines
F9
Frontier Airlines
UA
United Airlines
Alternative Routes
Other ways to fly from Baltimore to Chicago with one stop · direct emits 115 kg CO₂ per passenger
Looking for the return flight?
ORD → BWI: Flights from Chicago to BaltimoreOther direct flights from Baltimore
Direct flights from Chicago (ORD)
Frequently Asked Questions
How long is the direct flight from Baltimore to Chicago?
A nonstop flight from Baltimore (BWI) to Chicago (ORD) takes approximately 2 hours and 23 minutes. The distance is 621 miles (999 km).
Which airlines fly nonstop from Baltimore to Chicago?
3 airlines: American Airlines, Frontier Airlines, United Airlines.
Is there a nonstop flight from Baltimore to Chicago?
Yes. 3 airlines: American Airlines, Frontier Airlines, United Airlines.
How far is Baltimore from Chicago?
The flight distance from Baltimore to Chicago is 621 miles (999 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 Baltimore to Chicago?
At 2h 23m, 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 Baltimore to Chicago?
Roughly 115 kg CO2 per passenger one-way. That's about the same as driving 575 km.
Is the return flight from Chicago to Baltimore 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 Baltimore to Chicago?
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 Baltimore Washington International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.