Direct (nonstop) flights from Boston to Denver

4 airlines fly nonstop from Boston Logan International Airport (BOS) to Denver International (DEN). It's 1,753 miles (2,821 km), about 4h 45m in the air. Operated by JetBlue Airways, Delta Air Lines, United Airlines and others.

BOS
Boston Logan International Airport
🇺🇸 Boston, USA
DEN
Denver International
🇺🇸 Denver, USA
Flight Time
4h 45m
Distance
1,753 mi
2,821 km
CO₂/pax
296 kg
−37 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 28, 2026

Airlines with non-stop flights

JetBlue Airways B6 JetBlue Airways
Route
BOS → DEN
Flight Time
4h 45m
Distance
1,753 mi
Delta Air Lines DL Delta Air Lines
Route
BOS → DEN
Flight Time
4h 45m
Distance
1,753 mi
United Airlines UA United Airlines
Route
BOS → DEN
Flight Time
4h 45m
Distance
1,753 mi
Southwest Airlines WN Southwest Airlines
Route
BOS → DEN
Flight Time
4h 45m
Distance
1,753 mi

Alternative Routes

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

BOS GRR (Grand Rapids) DEN
Leg 1: 2h 13m (739 mi) Leg 2: 2h 54m (1,014 mi) Total: ~5h 7m 🍃 333 kg CO₂ (+13% vs. direct)
Leg 1
BOS → GRR
2h 13m · 739 mi
View BOS to GRR flights →
Leg 2
GRR → DEN
2h 54m · 1,014 mi
View GRR to DEN flights →
BOS DSM (Des Moines) DEN
Leg 1: 3h 8m (1,163 mi) Leg 2: 2h 5m (590 mi) Total: ~5h 13m 🍃 331 kg CO₂ (+12% vs. direct)
Leg 1
BOS → DSM
3h 8m · 1,163 mi
View BOS to DSM flights →
Leg 2
DSM → DEN
2h 5m · 590 mi
View DSM to DEN flights →
BOS SYR (Syracuse) DEN
Leg 1: 1h 22m (264 mi) Leg 2: 3h 53m (1,491 mi) Total: ~5h 15m 🍃 326 kg CO₂ (+10% vs. direct)
Leg 1
BOS → SYR
1h 22m · 264 mi
View BOS to SYR flights →
Leg 2
SYR → DEN
3h 53m · 1,491 mi
View SYR to DEN flights →
BOS BUF (Buffalo) DEN
Leg 1: 1h 42m (395 mi) Leg 2: 3h 35m (1,359 mi) Total: ~5h 17m 🍃 328 kg CO₂ (+11% vs. direct)
Leg 1
BOS → BUF
1h 42m · 395 mi
View BOS to BUF flights →
Leg 2
BUF → DEN
3h 35m · 1,359 mi
View BUF to DEN flights →
BOS MDW (Chicago) DEN
Leg 1: 2h 40m (859 mi) Leg 2: 2h 40m (896 mi) Total: ~5h 20m 🍃 350 kg CO₂ (+18% vs. direct)
Leg 1
BOS → MDW
2h 40m · 859 mi
View BOS to MDW flights →
Leg 2
MDW → DEN
2h 40m · 896 mi
View MDW to DEN flights →

Looking for the return flight?

DEN → BOS: Flights from Denver to Boston

Frequently Asked Questions

How long is the direct flight from Boston to Denver?

A nonstop flight from Boston (BOS) to Denver (DEN) takes approximately 4 hours and 45 minutes. The distance is 1,753 miles (2,821 km).

Which airlines fly nonstop from Boston to Denver?

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

Is there a nonstop flight from Boston to Denver?

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

How far is Boston from Denver?

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

What type of aircraft flies from Boston to Denver?

At 4h 45m, 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 Denver?

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

Is the return flight from Denver 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 Denver?

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.