Direct (nonstop) flights from Portland to Chicago
3 airlines fly nonstop from Portland International (PDX) to Chicago O Hare International (ORD). It's 1,739 miles (2,798 km), about 4h 7m in the air. Operated by American Airlines, Alaska Airlines, United Airlines.
American Airlines
Alaska Airlines
United Airlines
Route data last updated: May 28, 2026
Airlines with non-stop flights
AA
American Airlines
AS
Alaska Airlines
UA
United Airlines
Alternative Routes
Other ways to fly from Portland to Chicago with one stop · direct emits 294 kg CO₂ per passenger
Looking for the return flight?
ORD → PDX: Flights from Chicago to PortlandOther direct flights from Portland
Direct flights from Chicago (ORD)
Frequently Asked Questions
How long is the direct flight from Portland to Chicago?
A nonstop flight from Portland (PDX) to Chicago (ORD) takes approximately 4 hours and 7 minutes. The distance is 1,739 miles (2,798 km).
Which airlines fly nonstop from Portland to Chicago?
3 airlines: American Airlines, Alaska Airlines, United Airlines.
Is there a nonstop flight from Portland to Chicago?
Yes. 3 airlines: American Airlines, Alaska Airlines, United Airlines.
How far is Portland from Chicago?
The flight distance from Portland to Chicago is 1,739 miles (2,798 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from Portland to Chicago?
At 4h 7m, 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 Chicago?
Roughly 294 kg CO2 per passenger one-way. That's about the same as driving 1,470 km.
Is the return flight from Chicago 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 Chicago?
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.