Direct (nonstop) flights from Hartford to Denver
2 airlines fly nonstop from Bradley International (BDL) to Denver International (DEN). It's 1,671 miles (2,689 km), about 4h 23m in the air. Operated by United Airlines, Southwest Airlines.
United Airlines
Southwest Airlines
Route data last updated: May 30, 2026
Airlines with non-stop flights
UA
United Airlines
WN
Southwest Airlines
Alternative Routes
Other ways to fly from Hartford to Denver with one stop · direct emits 282 kg CO₂ per passenger
Looking for the return flight?
DEN → BDL: Flights from Denver to HartfordOther direct flights from Hartford
Direct flights from Denver (DEN)
Frequently Asked Questions
How long is the direct flight from Hartford to Denver?
A nonstop flight from Hartford (BDL) to Denver (DEN) takes approximately 4 hours and 23 minutes. The distance is 1,671 miles (2,689 km).
Which airlines fly nonstop from Hartford to Denver?
2 airlines: United Airlines, Southwest Airlines.
Is there a nonstop flight from Hartford to Denver?
Yes. 2 airlines: United Airlines, Southwest Airlines.
How far is Hartford from Denver?
The flight distance from Hartford to Denver is 1,671 miles (2,689 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from Hartford to Denver?
At 4h 23m, 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 Hartford to Denver?
Roughly 282 kg CO2 per passenger one-way. That's about the same as driving 1,410 km.
Is the return flight from Denver to Hartford 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 Hartford 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 Bradley International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.