Direct (nonstop) flights from Chicago to Boston

4 airlines fly nonstop from Chicago O Hare International (ORD) to Boston Logan International Airport (BOS). It's 866 miles (1,393 km), about 2h 29m in the air. Operated by American Airlines, JetBlue Airways, Delta Air Lines and others.

ORD
Chicago O Hare International
🇺🇸 Chicago, USA
BOS
Boston Logan International Airport
🇺🇸 Boston, USA
Flight Time
2h 29m
Distance
866 mi
1,393 km
CO₂/pax
160 kg
−26 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 25, 2026

Airlines with non-stop flights

American Airlines AA American Airlines
Route
ORD → BOS
Flight Time
2h 29m
Distance
866 mi
JetBlue Airways B6 JetBlue Airways
Route
ORD → BOS
Flight Time
2h 29m
Distance
866 mi
Delta Air Lines DL Delta Air Lines
Route
ORD → BOS
Flight Time
2h 29m
Distance
866 mi
United Airlines UA United Airlines
Route
ORD → BOS
Flight Time
2h 29m
Distance
866 mi

Alternative Routes

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

ORD BUF (Buffalo) BOS
Leg 1: 1h 41m (473 mi) Leg 2: 1h 26m (395 mi) Total: ~3h 7m 🍃 186 kg CO₂ (+16% vs. direct)
Leg 1
ORD → BUF
1h 41m · 473 mi
View ORD to BUF flights →
Leg 2
BUF → BOS
1h 26m · 395 mi
View BUF to BOS flights →
ORD GRR (Grand Rapids) BOS
Leg 1: 1h 6m (136 mi) Leg 2: 2h 2m (739 mi) Total: ~3h 8m 🍃 187 kg CO₂ (+17% vs. direct)
Leg 1
ORD → GRR
1h 6m · 136 mi
View ORD to GRR flights →
Leg 2
GRR → BOS
2h 2m · 739 mi
View GRR to BOS flights →
ORD SYR (Syracuse) BOS
Leg 1: 1h 57m (606 mi) Leg 2: 1h 15m (264 mi) Total: ~3h 12m 🍃 186 kg CO₂ (+16% vs. direct)
Leg 1
ORD → SYR
1h 57m · 606 mi
View ORD to SYR flights →
Leg 2
SYR → BOS
1h 15m · 264 mi
View SYR to BOS flights →
ORD MVY (Martha's Vineyard) BOS
Leg 1: 2h 33m (894 mi) Leg 2: 40m (70 mi) Total: ~3h 13m 🍃 203 kg CO₂ (+27% vs. direct)
Leg 1
ORD → MVY
2h 33m · 894 mi
View ORD to MVY flights →
Leg 2
MVY → BOS
40m · 70 mi
View MVY to BOS flights →
ORD HYA (Hyannis) BOS
Leg 1: 2h 35m (908 mi) Leg 2: 41m (62 mi) Total: ~3h 16m 🍃 204 kg CO₂ (+28% vs. direct)
Leg 1
ORD → HYA
2h 35m · 908 mi
View ORD to HYA flights →
Leg 2
HYA → BOS
41m · 62 mi
View HYA to BOS flights →

Looking for the return flight?

BOS → ORD: Flights from Boston to Chicago

Frequently Asked Questions

How long is the direct flight from Chicago to Boston?

A nonstop flight from Chicago (ORD) to Boston (BOS) takes approximately 2 hours and 29 minutes. The distance is 866 miles (1,393 km).

Which airlines fly nonstop from Chicago to Boston?

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

Is there a nonstop flight from Chicago to Boston?

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

How far is Chicago from Boston?

The flight distance from Chicago to Boston 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 Chicago to Boston?

At 2h 29m, 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 Boston?

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

Is the return flight from Boston 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 Boston?

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.