Direct (nonstop) flights from Allentown to Denver
1 airline flys nonstop from Lehigh Valley Intl (ABE) to Denver International (DEN). It's 1,539 miles (2,477 km), about 3h 54m in the air. Operated by Allegiant Air.
Allegiant Air
Route data last updated: May 30, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Allentown to Denver with one stop · direct emits 260 kg CO₂ per passenger
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DEN → ABE: Flights from Denver to AllentownOther direct flights from Allentown
Direct flights from Denver (DEN)
Frequently Asked Questions
How long is the direct flight from Allentown to Denver?
A nonstop flight from Allentown (ABE) to Denver (DEN) takes approximately 3 hours and 54 minutes. The distance is 1,539 miles (2,477 km).
Which airlines fly nonstop from Allentown to Denver?
Just Allegiant Air.
Is there a nonstop flight from Allentown to Denver?
Yes. 1 airline: Allegiant Air.
How far is Allentown from Denver?
The flight distance from Allentown to Denver is 1,539 miles (2,477 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Miami.
What type of aircraft flies from Allentown to Denver?
At 3h 54m, 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 Allentown to Denver?
Roughly 260 kg CO2 per passenger one-way. That's about the same as driving 1,300 km.
Is the return flight from Denver to Allentown 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 Allentown 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 Lehigh Valley Intl for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.