Direct (nonstop) flights from Portland to Cincinnati
1 airline flys nonstop from Portland International (PDX) to Cincinnati Northern Kentucky International (CVG). It's 1,975 miles (3,178 km), about 4h 23m in the air. Operated by Allegiant Air.
Allegiant Air
Route data last updated: May 29, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Portland to Cincinnati with one stop · direct emits 334 kg CO₂ per passenger
Looking for the return flight?
CVG → PDX: Flights from Cincinnati to PortlandOther direct flights from Portland
Direct flights from Cincinnati (CVG)
Frequently Asked Questions
How long is the direct flight from Portland to Cincinnati?
A nonstop flight from Portland (PDX) to Cincinnati (CVG) takes approximately 4 hours and 23 minutes. The distance is 1,975 miles (3,178 km).
Which airlines fly nonstop from Portland to Cincinnati?
Just Allegiant Air.
Is there a nonstop flight from Portland to Cincinnati?
Yes. 1 airline: Allegiant Air.
How far is Portland from Cincinnati?
The flight distance from Portland to Cincinnati is 1,975 miles (3,178 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Los Angeles.
What type of aircraft flies from Portland to Cincinnati?
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 Portland to Cincinnati?
Roughly 334 kg CO2 per passenger one-way. That's about the same as driving 1,670 km.
Is the return flight from Cincinnati to Portland 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 Portland to Cincinnati?
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 Portland International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.