Direct (nonstop) flights from Denver to Boston

4 airlines fly nonstop from Denver International (DEN) to Boston Logan International Airport (BOS). It's 1,753 miles (2,821 km), about 3h 59m in the air. Operated by JetBlue Airways, Delta Air Lines, United Airlines and others.

DEN
Denver International
🇺🇸 Denver, USA
BOS
Boston Logan International Airport
🇺🇸 Boston, USA
Flight Time
3h 59m
Distance
1,753 mi
2,821 km
CO₂/pax
296 kg
−35 kg vs. layover
Airlines
4
JetBlue Airways +3
Time Diff
+2h
Operated by JetBlue Airways JetBlue Airways Delta Air Lines Delta Air Lines United Airlines United Airlines Southwest Airlines Southwest Airlines

Route data last updated: May 30, 2026

Airlines with non-stop flights

JetBlue Airways B6 JetBlue Airways
Route
DEN → BOS
Flight Time
3h 59m
Distance
1,753 mi
Delta Air Lines DL Delta Air Lines
Route
DEN → BOS
Flight Time
3h 59m
Distance
1,753 mi
United Airlines UA United Airlines
Route
DEN → BOS
Flight Time
3h 59m
Distance
1,753 mi
Southwest Airlines WN Southwest Airlines
Route
DEN → BOS
Flight Time
3h 59m
Distance
1,753 mi

Alternative Routes

Other ways to fly from Denver to Boston with one stop · direct emits 296 kg CO₂ per passenger

DEN DSM (Des Moines) BOS
Leg 1: 1h 45m (590 mi) Leg 2: 2h 48m (1,163 mi) Total: ~4h 33m 🍃 331 kg CO₂ (+12% vs. direct)
Leg 1
DEN → DSM
1h 45m · 590 mi
View DEN to DSM flights →
Leg 2
DSM → BOS
2h 48m · 1,163 mi
View DSM to BOS flights →
DEN GRR (Grand Rapids) BOS
Leg 1: 2h 37m (1,014 mi) Leg 2: 2h 2m (739 mi) Total: ~4h 39m 🍃 333 kg CO₂ (+13% vs. direct)
Leg 1
DEN → GRR
2h 37m · 1,014 mi
View DEN to GRR flights →
Leg 2
GRR → BOS
2h 2m · 739 mi
View GRR to BOS flights →
DEN BUF (Buffalo) BOS
Leg 1: 3h 13m (1,359 mi) Leg 2: 1h 26m (395 mi) Total: ~4h 39m 🍃 328 kg CO₂ (+11% vs. direct)
Leg 1
DEN → BUF
3h 13m · 1,359 mi
View DEN to BUF flights →
Leg 2
BUF → BOS
1h 26m · 395 mi
View BUF to BOS flights →
DEN STL (Saint Louis) BOS
Leg 1: 2h 5m (769 mi) Leg 2: 2h 35m (1,046 mi) Total: ~4h 40m 🍃 344 kg CO₂ (+16% vs. direct)
Leg 1
DEN → STL
2h 5m · 769 mi
View DEN to STL flights →
Leg 2
STL → BOS
2h 35m · 1,046 mi
View STL to BOS flights →
DEN MDW (Chicago) BOS
Leg 1: 2h 20m (896 mi) Leg 2: 2h 20m (859 mi) Total: ~4h 40m 🍃 350 kg CO₂ (+18% vs. direct)
Leg 1
DEN → MDW
2h 20m · 896 mi
View DEN to MDW flights →
Leg 2
MDW → BOS
2h 20m · 859 mi
View MDW to BOS flights →

Looking for the return flight?

BOS → DEN: Flights from Boston to Denver

Frequently Asked Questions

How long is the direct flight from Denver to Boston?

A nonstop flight from Denver (DEN) to Boston (BOS) takes approximately 3 hours and 59 minutes. The distance is 1,753 miles (2,821 km).

Which airlines fly nonstop from Denver to Boston?

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

Is there a nonstop flight from Denver to Boston?

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

How far is Denver from Boston?

The flight distance from Denver to Boston is 1,753 miles (2,821 km), measured as the great-circle (shortest air) distance.

What type of aircraft flies from Denver to Boston?

At 3h 59m, 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 Denver to Boston?

Roughly 296 kg CO2 per passenger one-way. That's about the same as driving 1,480 km.

Is the return flight from Boston to Denver 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 Denver 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 Denver International for this flight?

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