Direct (nonstop) flights from Denver to Portland

4 airlines fly nonstop from Denver International (DEN) to Portland International (PDX). It's 991 miles (1,595 km), about 2h 46m in the air. Operated by Alaska Airlines, Frontier Airlines, United Airlines and others.

DEN
Denver International
🇺🇸 Denver, USA
PDX
Portland International
🇺🇸 Portland, USA
Flight Time
2h 46m
Distance
991 mi
1,595 km
CO₂/pax
167 kg
−42 kg vs. layover
Airlines
4
Alaska Airlines +3
Time Diff
-1h
Operated by Alaska Airlines Alaska Airlines Frontier Airlines Frontier Airlines United Airlines United Airlines Southwest Airlines Southwest Airlines

Route data last updated: May 27, 2026

Airlines with non-stop flights

Alaska Airlines AS Alaska Airlines
Route
DEN → PDX
Flight Time
2h 46m
Distance
991 mi
Frontier Airlines F9 Frontier Airlines
Route
DEN → PDX
Flight Time
2h 46m
Distance
991 mi
United Airlines UA United Airlines
Route
DEN → PDX
Flight Time
2h 46m
Distance
991 mi
Southwest Airlines WN Southwest Airlines
Route
DEN → PDX
Flight Time
2h 46m
Distance
991 mi

Alternative Routes

Other ways to fly from Denver to Portland with one stop · direct emits 167 kg CO₂ per passenger

DEN BOI (Boise) PDX
Leg 1: 2h (649 mi) Leg 2: 1h 23m (344 mi) Total: ~3h 23m 🍃 209 kg CO₂ (+25% vs. direct)
Leg 1
DEN → BOI
2h · 649 mi
View DEN to BOI flights →
Leg 2
BOI → PDX
1h 23m · 344 mi
View BOI to PDX flights →
DEN IDA (Idaho Falls) PDX
Leg 1: 1h 45m (458 mi) Leg 2: 1h 41m (538 mi) Total: ~3h 26m 🍃 210 kg CO₂ (+26% vs. direct)
Leg 1
DEN → IDA
1h 45m · 458 mi
View DEN to IDA flights →
Leg 2
IDA → PDX
1h 41m · 538 mi
View IDA to PDX flights →
DEN JAC (Jackson) PDX
Leg 1: 1h 31m (406 mi) Leg 2: 2h (600 mi) Total: ~3h 31m 🍃 211 kg CO₂ (+26% vs. direct)
Leg 1
DEN → JAC
1h 31m · 406 mi
View DEN to JAC flights →
Leg 2
JAC → PDX
2h · 600 mi
View JAC to PDX flights →
DEN PSC (Pasco) PDX
Leg 1: 2h 37m (853 mi) Leg 2: 54m (173 mi) Total: ~3h 31m 🍃 215 kg CO₂ (+29% vs. direct)
Leg 1
DEN → PSC
2h 37m · 853 mi
View DEN to PSC flights →
Leg 2
PSC → PDX
54m · 173 mi
View PSC to PDX flights →
DEN RDM (Redmond) PDX
Leg 1: 2h 40m (898 mi) Leg 2: 52m (116 mi) Total: ~3h 32m 🍃 213 kg CO₂ (+28% vs. direct)
Leg 1
DEN → RDM
2h 40m · 898 mi
View DEN to RDM flights →
Leg 2
RDM → PDX
52m · 116 mi
View RDM to PDX flights →

Looking for the return flight?

PDX → DEN: Flights from Portland to Denver

Frequently Asked Questions

How long is the direct flight from Denver to Portland?

A nonstop flight from Denver (DEN) to Portland (PDX) takes approximately 2 hours and 46 minutes. The distance is 991 miles (1,595 km).

Which airlines fly nonstop from Denver to Portland?

4 airlines: Alaska Airlines, Frontier Airlines, United Airlines, Southwest Airlines.

Is there a nonstop flight from Denver to Portland?

Yes. 4 airlines: Alaska Airlines, Frontier Airlines, United Airlines, Southwest Airlines.

How far is Denver from Portland?

The flight distance from Denver to Portland is 991 miles (1,595 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 Portland?

At 2h 46m, 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 Portland?

Roughly 167 kg CO2 per passenger one-way. That's about the same as driving 835 km.

Is the return flight from Portland 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 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 Denver International for this flight?

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