Direct (nonstop) flights from Denver to Allentown
1 airline flys nonstop from Denver International (DEN) to Lehigh Valley Intl (ABE). It's 1,539 miles (2,477 km), about 3h 28m in the air. Operated by Allegiant Air.
Allegiant Air
Route data last updated: May 28, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Denver to Allentown with one stop · direct emits 260 kg CO₂ per passenger
Looking for the return flight?
ABE → DEN: Flights from Allentown to DenverOther direct flights from Denver
Direct flights from Allentown (ABE)
Frequently Asked Questions
How long is the direct flight from Denver to Allentown?
A nonstop flight from Denver (DEN) to Allentown (ABE) takes approximately 3 hours and 28 minutes. The distance is 1,539 miles (2,477 km).
Which airlines fly nonstop from Denver to Allentown?
Just Allegiant Air.
Is there a nonstop flight from Denver to Allentown?
Yes. 1 airline: Allegiant Air.
How far is Denver from Allentown?
The flight distance from Denver to Allentown 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 Denver to Allentown?
At 3h 28m, 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 Allentown?
Roughly 260 kg CO2 per passenger one-way. That's about the same as driving 1,300 km.
Is the return flight from Allentown 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 Allentown?
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.