Direct (nonstop) flights from Chicago to Portland
3 airlines fly nonstop from Chicago O Hare International (ORD) to Portland International (PDX). It's 1,739 miles (2,798 km), about 4h 34m in the air. Operated by American Airlines, Alaska Airlines, United Airlines.
American Airlines
Alaska Airlines
United Airlines
Route data last updated: May 30, 2026
Airlines with non-stop flights
AA
American Airlines
AS
Alaska Airlines
UA
United Airlines
Alternative Routes
Other ways to fly from Chicago to Portland with one stop · direct emits 294 kg CO₂ per passenger
Looking for the return flight?
PDX → ORD: Flights from Portland to ChicagoOther direct flights from Chicago
Direct flights from Portland (PDX)
Frequently Asked Questions
How long is the direct flight from Chicago to Portland?
A nonstop flight from Chicago (ORD) to Portland (PDX) takes approximately 4 hours and 34 minutes. The distance is 1,739 miles (2,798 km).
Which airlines fly nonstop from Chicago to Portland?
3 airlines: American Airlines, Alaska Airlines, United Airlines.
Is there a nonstop flight from Chicago to Portland?
Yes. 3 airlines: American Airlines, Alaska Airlines, United Airlines.
How far is Chicago from Portland?
The flight distance from Chicago to Portland is 1,739 miles (2,798 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from Chicago to Portland?
At 4h 34m, 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 Chicago to Portland?
Roughly 294 kg CO2 per passenger one-way. That's about the same as driving 1,470 km.
Is the return flight from Portland to Chicago 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 Chicago 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 Chicago O Hare International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.