O'Hare International (ORD) to San Francisco International (SFO).
| Departure | Return | Price |
|---|---|---|
| 06/30/2026 | 07/07/2026 | $210 |
| 06/30/2026 | 07/08/2026 | $210 |
| 07/07/2026 | 07/14/2026 | $210 |
| 07/08/2026 | 07/14/2026 | $210 |
| 07/14/2026 | 07/21/2026 | $210 |
| 07/14/2026 | 07/22/2026 | $210 |
| 07/21/2026 | 07/28/2026 | $210 |
| 07/22/2026 | 07/28/2026 | $210 |
| 08/05/2026 | 08/11/2026 | $210 |
| 08/05/2026 | 08/12/2026 | $210 |
Based on current fares, August is the cheapest month to fly from Chicago to San Francisco, with average fares around $236 round trip (as low as $210).
See the full month-by-month and day-of-week price analysis
Best Time to Fly ORD → SFODeparture date prices (economy, round trip). Green = cheap, red = expensive.
The cheapest month to fly from Chicago to San Francisco is August, with average round-trip fares around $236. Fares in August start as low as $210. The most expensive month is May, averaging $267.
A nonstop flight from Chicago to San Francisco takes approximately 4h.
The cheapest flight from Chicago to San Francisco currently starts at $210 round trip in economy class.
The average round-trip flight price from Chicago to San Francisco is $271 in economy class.
The distance is 1846 miles (2970 km). with a nonstop flight time of about 4h. The lowest fare currently available is $210 departing in June. The average round-trip fare is $271.
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