Direct (nonstop) flights from Chicago to San Francisco
1 airline flys nonstop from Chicago Midway International (MDW) to San Francisco International (SFO). It's 1,855 miles (2,986 km), about 4h 35m in the air. Operated by Southwest Airlines.
Southwest Airlines
Route data last updated: May 27, 2026
Airlines with non-stop flights
WN
Southwest Airlines
Alternative Routes
Other ways to fly from Chicago to San Francisco with one stop · direct emits 314 kg CO₂ per passenger
Looking for the return flight?
SFO → MDW: 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 (MDW) to San Francisco (SFO) takes approximately 4 hours and 35 minutes. The distance is 1,855 miles (2,986 km).
Which airlines fly nonstop from Chicago to San Francisco?
Just Southwest Airlines.
Is there a nonstop flight from Chicago to San Francisco?
Yes. 1 airline: Southwest Airlines.
How far is Chicago from San Francisco?
The flight distance from Chicago to San Francisco is 1,855 miles (2,986 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from Chicago to San Francisco?
At 4h 35m, 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 314 kg CO2 per passenger one-way. That's about the same as driving 1,570 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 Midway International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.