Direct (nonstop) flights from Chicago to San Francisco
2 airlines fly nonstop from Chicago O Hare International (ORD) to San Francisco International (SFO). It's 1,847 miles (2,972 km), about 4h 53m in the air. Operated by American Airlines, United Airlines.
American Airlines
United Airlines
Route data last updated: May 26, 2026
Airlines with non-stop flights
AA
American Airlines
UA
United Airlines
Alternative Routes
Other ways to fly from Chicago to San Francisco with one stop · direct emits 312 kg CO₂ per passenger
Looking for the return flight?
SFO → ORD: Flights from San Francisco to ChicagoOther direct flights from Chicago
Direct flights from San Francisco (SFO)
Frequently Asked Questions
How long is the direct flight from Chicago to San Francisco?
A nonstop flight from Chicago (ORD) to San Francisco (SFO) takes approximately 4 hours and 53 minutes. The distance is 1,847 miles (2,972 km).
Which airlines fly nonstop from Chicago to San Francisco?
2 airlines: American Airlines, United Airlines.
Is there a nonstop flight from Chicago to San Francisco?
Yes. 2 airlines: American Airlines, United Airlines.
How far is Chicago from San Francisco?
The flight distance from Chicago to San Francisco is 1,847 miles (2,972 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from Chicago to San Francisco?
At 4h 53m, 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 San Francisco?
Roughly 312 kg CO2 per passenger one-way. That's about the same as driving 1,560 km.
Is the return flight from San Francisco 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 San Francisco?
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.