Direct (nonstop) flights from San Diego to Chicago
3 airlines fly nonstop from San Diego International Airport (SAN) to Chicago O Hare International (ORD). It's 1,723 miles (2,773 km), about 4h 17m 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 San Diego to Chicago with one stop · direct emits 291 kg CO₂ per passenger
Looking for the return flight?
ORD → SAN: Flights from Chicago to San DiegoOther direct flights from San Diego
Direct flights from Chicago (ORD)
Frequently Asked Questions
How long is the direct flight from San Diego to Chicago?
A nonstop flight from San Diego (SAN) to Chicago (ORD) takes approximately 4 hours and 17 minutes. The distance is 1,723 miles (2,773 km).
Which airlines fly nonstop from San Diego to Chicago?
3 airlines: American Airlines, Alaska Airlines, United Airlines.
Is there a nonstop flight from San Diego to Chicago?
Yes. 3 airlines: American Airlines, Alaska Airlines, United Airlines.
How far is San Diego from Chicago?
The flight distance from San Diego to Chicago is 1,723 miles (2,773 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from San Diego to Chicago?
At 4h 17m, 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 San Diego to Chicago?
Roughly 291 kg CO2 per passenger one-way. That's about the same as driving 1,455 km.
Is the return flight from Chicago to San Diego 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 San Diego 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 San Diego International Airport for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.