Cheap flights from Chicago to San Francisco
From €116 one way, departing Sat 21 Nov. Wednesdays are usually cheapest. We compare airlines and travel agencies and add no fees.
Cheapest dates from Chicago to San Francisco
The lowest one-way fares we found for the coming months. Pick a date to see every flight.
Typical fare by day of the week
Price history
We have not recorded any prices for ORD to SFO yet. The chart appears after people search this route.
United States travel eSIMHave data the moment you land in San Francisco
- Install before you fly with a QR code
- No roaming charges, keep your own SIM
- 5G where available
Plan the rest of your trip to San Francisco
Links to partner sites. You book and pay there, and we don’t show their prices. We may earn a commission.
Airport transfer in San Francisco
Arrange a pick-up at San Francisco airport (SFO) before you fly.
Things to do in San Francisco
Find tours, tickets and day trips in San Francisco, United States.
Car rental in San Francisco
Compare rental cars for San Francisco (pick up at SFO or in town).
Chicago to San Francisco: common questions
Answers use the fares we found most recently and are updated through the day.
How much is a flight from Chicago to San Francisco?
The lowest one-way fare we found recently is €116, departing Sat 21 Nov. A typical cheapest fare on other days is around €137. Prices change often, so check the live price before you book.
Which day is cheapest to fly from Chicago to San Francisco?
Wednesdays are usually the cheapest day, about €43 less than Mondays, based on fares found for the next five months.
Which month is cheapest to fly to San Francisco?
November 2026 has the lowest fare we found, from €116 on Sat 21 Nov.
How long is the flight from Chicago to San Francisco?
Chicago and San Francisco are about 2,960 km apart. A direct flight takes roughly 4.5 hours; flights with a stop take longer.
Does SkimFlight charge a booking fee?
No. SkimFlight compares prices from airlines and travel agencies and sends you to the seller to book. You pay the seller’s price with no fee from us.