Direct (nonstop) flights from San Francisco to Chicago
2 airlines fly nonstop from San Francisco International (SFO) to Chicago O Hare International (ORD). It's 1,847 miles (2,972 km), about 4h 33m 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 San Francisco to Chicago with one stop · direct emits 312 kg CO₂ per passenger
Looking for the return flight?
ORD → SFO: Flights from Chicago to San FranciscoOther direct flights from San Francisco
Direct flights from Chicago (ORD)
Frequently Asked Questions
How long is the direct flight from San Francisco to Chicago?
A nonstop flight from San Francisco (SFO) to Chicago (ORD) takes approximately 4 hours and 33 minutes. The distance is 1,847 miles (2,972 km).
Which airlines fly nonstop from San Francisco to Chicago?
2 airlines: American Airlines, United Airlines.
Is there a nonstop flight from San Francisco to Chicago?
Yes. 2 airlines: American Airlines, United Airlines.
How far is San Francisco from Chicago?
The flight distance from San Francisco to Chicago is 1,847 miles (2,972 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from San Francisco to Chicago?
At 4h 33m, 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 Francisco to Chicago?
Roughly 312 kg CO2 per passenger one-way. That's about the same as driving 1,560 km.
Is the return flight from Chicago to San Francisco 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 Francisco 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 Francisco International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.