Direct (nonstop) flights from Cincinnati to Portland

1 airline flys nonstop from Cincinnati Northern Kentucky International (CVG) to Portland International (PDX). It's 1,975 miles (3,178 km), about 4h 48m in the air. Operated by Allegiant Air.

CVG
Cincinnati Northern Kentucky International
🇺🇸 Cincinnati, USA
PDX
Portland International
🇺🇸 Portland, USA
Flight Time
4h 48m
Distance
1,975 mi
3,178 km
CO₂/pax
334 kg
−33 kg vs. layover
Airlines
1
Allegiant Air
Time Diff
-3h
Operated by Allegiant Air Allegiant Air

Route data last updated: May 31, 2026

Airlines with non-stop flights

Allegiant Air G4 Allegiant Air
Route
CVG → PDX
Flight Time
4h 48m
Distance
1,975 mi

Alternative Routes

Other ways to fly from Cincinnati to Portland with one stop · direct emits 334 kg CO₂ per passenger

CVG MDW (Chicago) PDX
Leg 1: 1h 10m (249 mi) Leg 2: 4h 20m (1,751 mi) Total: ~5h 30m 🍃 367 kg CO₂ (+10% vs. direct)
Leg 1
CVG → MDW
1h 10m · 249 mi
View CVG to MDW flights →
Leg 2
MDW → PDX
4h 20m · 1,751 mi
View MDW to PDX flights →
CVG MSP (Minneapolis) PDX
Leg 1: 2h 2m (595 mi) Leg 2: 3h 40m (1,426 mi) Total: ~5h 42m 🍃 376 kg CO₂ (+13% vs. direct)
Leg 1
CVG → MSP
2h 2m · 595 mi
View CVG to MSP flights →
Leg 2
MSP → PDX
3h 40m · 1,426 mi
View MSP to PDX flights →
CVG DEN (Denver) PDX
Leg 1: 3h 5m (1,069 mi) Leg 2: 2h 46m (991 mi) Total: ~5h 51m 🍃 373 kg CO₂ (+12% vs. direct)
Leg 1
CVG → DEN
3h 5m · 1,069 mi
View CVG to DEN flights →
Leg 2
DEN → PDX
2h 46m · 991 mi
View DEN to PDX flights →
CVG SLC (Salt Lake City) PDX
Leg 1: 3h 53m (1,450 mi) Leg 2: 2h 2m (629 mi) Total: ~5h 55m 🍃 386 kg CO₂ (+16% vs. direct)
Leg 1
CVG → SLC
3h 53m · 1,450 mi
View CVG to SLC flights →
Leg 2
SLC → PDX
2h 2m · 629 mi
View SLC to PDX flights →
CVG DTW (Detroit) PDX
Leg 1: 1h 14m (228 mi) Leg 2: 4h 51m (1,952 mi) Total: ~6h 5m 🍃 397 kg CO₂ (+19% vs. direct)
Leg 1
CVG → DTW
1h 14m · 228 mi
View CVG to DTW flights →
Leg 2
DTW → PDX
4h 51m · 1,952 mi
View DTW to PDX flights →

Frequently Asked Questions

How long is the direct flight from Cincinnati to Portland?

A nonstop flight from Cincinnati (CVG) to Portland (PDX) takes approximately 4 hours and 48 minutes. The distance is 1,975 miles (3,178 km).

Which airlines fly nonstop from Cincinnati to Portland?

Just Allegiant Air.

Is there a nonstop flight from Cincinnati to Portland?

Yes. 1 airline: Allegiant Air.

How far is Cincinnati from Portland?

The flight distance from Cincinnati to Portland 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 Cincinnati to Portland?

At 4h 48m, 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 Cincinnati to Portland?

Roughly 334 kg CO2 per passenger one-way. That's about the same as driving 1,670 km.

Is the return flight from Portland to Cincinnati 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 Cincinnati to Portland?

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 Cincinnati Northern Kentucky International for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.