Direct (nonstop) flights from Boston to Chicago

4 airlines fly nonstop from Boston Logan International Airport (BOS) to Chicago O Hare International (ORD). It's 866 miles (1,393 km), about 3h in the air. Operated by American Airlines, JetBlue Airways, Delta Air Lines and others.

BOS
Boston Logan International Airport
🇺🇸 Boston, USA
ORD
Chicago O Hare International
🇺🇸 Chicago, USA
Flight Time
3h
Distance
866 mi
1,393 km
CO₂/pax
160 kg
−27 kg vs. layover
Airlines
4
American Airlines +3
Time Diff
-1h
Operated by American Airlines American Airlines JetBlue Airways JetBlue Airways Delta Air Lines Delta Air Lines United Airlines United Airlines

Route data last updated: May 26, 2026

Airlines with non-stop flights

American Airlines AA American Airlines
Route
BOS → ORD
Flight Time
3h
Distance
866 mi
JetBlue Airways B6 JetBlue Airways
Route
BOS → ORD
Flight Time
3h
Distance
866 mi
Delta Air Lines DL Delta Air Lines
Route
BOS → ORD
Flight Time
3h
Distance
866 mi
United Airlines UA United Airlines
Route
BOS → ORD
Flight Time
3h
Distance
866 mi

Alternative Routes

Other ways to fly from Boston to Chicago with one stop · direct emits 160 kg CO₂ per passenger

BOS GRR (Grand Rapids) ORD
Leg 1: 2h 13m (739 mi) Leg 2: 1h 13m (136 mi) Total: ~3h 26m 🍃 187 kg CO₂ (+17% vs. direct)
Leg 1
BOS → GRR
2h 13m · 739 mi
View BOS to GRR flights →
Leg 2
GRR → ORD
1h 13m · 136 mi
View GRR to ORD flights →
BOS MVY (Martha's Vineyard) ORD
Leg 1: 40m (70 mi) Leg 2: 2h 50m (894 mi) Total: ~3h 30m 🍃 203 kg CO₂ (+27% vs. direct)
Leg 1
BOS → MVY
40m · 70 mi
View BOS to MVY flights →
Leg 2
MVY → ORD
2h 50m · 894 mi
View MVY to ORD flights →
BOS BUF (Buffalo) ORD
Leg 1: 1h 42m (395 mi) Leg 2: 1h 59m (473 mi) Total: ~3h 41m 🍃 186 kg CO₂ (+16% vs. direct)
Leg 1
BOS → BUF
1h 42m · 395 mi
View BOS to BUF flights →
Leg 2
BUF → ORD
1h 59m · 473 mi
View BUF to ORD flights →
BOS SYR (Syracuse) ORD
Leg 1: 1h 22m (264 mi) Leg 2: 2h 19m (606 mi) Total: ~3h 41m 🍃 186 kg CO₂ (+16% vs. direct)
Leg 1
BOS → SYR
1h 22m · 264 mi
View BOS to SYR flights →
Leg 2
SYR → ORD
2h 19m · 606 mi
View SYR to ORD flights →
BOS SBN (South Bend) ORD
Leg 1: 2h 32m (787 mi) Leg 2: 1h 11m (84 mi) Total: ~3h 43m 🍃 187 kg CO₂ (+17% vs. direct)
Leg 1
BOS → SBN
2h 32m · 787 mi
View BOS to SBN flights →
Leg 2
SBN → ORD
1h 11m · 84 mi
View SBN to ORD flights →

Looking for the return flight?

ORD → BOS: Flights from Chicago to Boston

Frequently Asked Questions

How long is the direct flight from Boston to Chicago?

A nonstop flight from Boston (BOS) to Chicago (ORD) takes approximately 3 hours. The distance is 866 miles (1,393 km).

Which airlines fly nonstop from Boston to Chicago?

4 airlines: American Airlines, JetBlue Airways, Delta Air Lines, United Airlines.

Is there a nonstop flight from Boston to Chicago?

Yes. 4 airlines: American Airlines, JetBlue Airways, Delta Air Lines, United Airlines.

How far is Boston from Chicago?

The flight distance from Boston to Chicago is 866 miles (1,393 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Madrid.

What type of aircraft flies from Boston to Chicago?

At 3h, 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 Boston to Chicago?

Roughly 160 kg CO2 per passenger one-way. That's about the same as driving 800 km.

Is the return flight from Chicago to Boston 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 Boston 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 Boston Logan International Airport for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.