Direct (nonstop) flights from Chicago to Baltimore

3 airlines fly nonstop from Chicago O Hare International (ORD) to Baltimore Washington International (BWI). It's 621 miles (999 km), about 2h 2m in the air. Operated by American Airlines, Frontier Airlines, United Airlines.

ORD
Chicago O Hare International
🇺🇸 Chicago, USA
BWI
Baltimore Washington International
🇺🇸 Baltimore, USA
Flight Time
2h 2m
Distance
621 mi
999 km
CO₂/pax
115 kg
−26 kg vs. layover
Airlines
3
American Airlines +2
Time Diff
+1h
Operated by American Airlines American Airlines Frontier Airlines Frontier Airlines United Airlines United Airlines

Route data last updated: May 28, 2026

Airlines with non-stop flights

American Airlines AA American Airlines
Route
ORD → BWI
Flight Time
2h 2m
Distance
621 mi
Frontier Airlines F9 Frontier Airlines
Route
ORD → BWI
Flight Time
2h 2m
Distance
621 mi
United Airlines UA United Airlines
Route
ORD → BWI
Flight Time
2h 2m
Distance
621 mi

Alternative Routes

Other ways to fly from Chicago to Baltimore with one stop · direct emits 115 kg CO₂ per passenger

ORD CLE (Cleveland) BWI
Leg 1: 1h 26m (316 mi) Leg 2: 1h 20m (313 mi) Total: ~2h 46m 🍃 141 kg CO₂ (+23% vs. direct)
Leg 1
ORD → CLE
1h 26m · 316 mi
View ORD to CLE flights →
Leg 2
CLE → BWI
1h 20m · 313 mi
View CLE to BWI flights →
ORD GRR (Grand Rapids) BWI
Leg 1: 1h 6m (136 mi) Leg 2: 1h 40m (528 mi) Total: ~2h 46m 🍃 148 kg CO₂ (+29% vs. direct)
Leg 1
ORD → GRR
1h 6m · 136 mi
View ORD to GRR flights →
Leg 2
GRR → BWI
1h 40m · 528 mi
View GRR to BWI flights →
ORD IND (Indianapolis) BWI
Leg 1: 1h 12m (177 mi) Leg 2: 1h 35m (516 mi) Total: ~2h 47m 🍃 153 kg CO₂ (+33% vs. direct)
Leg 1
ORD → IND
1h 12m · 177 mi
View ORD to IND flights →
Leg 2
IND → BWI
1h 35m · 516 mi
View IND to BWI flights →
ORD PIT (Pittsburgh) BWI
Leg 1: 1h 38m (411 mi) Leg 2: 1h 10m (211 mi) Total: ~2h 48m 🍃 140 kg CO₂ (+22% vs. direct)
Leg 1
ORD → PIT
1h 38m · 411 mi
View ORD to PIT flights →
Leg 2
PIT → BWI
1h 10m · 211 mi
View PIT to BWI flights →
ORD MKE (Milwaukee) BWI
Leg 1: 59m (66 mi) Leg 2: 1h 50m (641 mi) Total: ~2h 49m 🍃 156 kg CO₂ (+36% vs. direct)
Leg 1
ORD → MKE
59m · 66 mi
View ORD to MKE flights →
Leg 2
MKE → BWI
1h 50m · 641 mi
View MKE to BWI flights →

Frequently Asked Questions

How long is the direct flight from Chicago to Baltimore?

A nonstop flight from Chicago (ORD) to Baltimore (BWI) takes approximately 2 hours and 2 minutes. The distance is 621 miles (999 km).

Which airlines fly nonstop from Chicago to Baltimore?

3 airlines: American Airlines, Frontier Airlines, United Airlines.

Is there a nonstop flight from Chicago to Baltimore?

Yes. 3 airlines: American Airlines, Frontier Airlines, United Airlines.

How far is Chicago from Baltimore?

The flight distance from Chicago to Baltimore 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 Chicago to Baltimore?

At 2h 2m, 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 Baltimore?

Roughly 115 kg CO2 per passenger one-way. That's about the same as driving 575 km.

Is the return flight from Baltimore 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 Baltimore?

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.