Flights

Flights from Chicago to San Francisco

Fares we've seen from Chicago (ORD) to San Francisco (SFO) start from US$107 on 29 Oct 2026 with Frontier. Prices come from partner searches in the last 48 hours and change quickly, so look before you book.

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Compare Chicago to San Francisco on your dates and see current fares from our sources, listed by price.

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Fares by month

MonthSeen fromDateAirline
October 2026US$10729 Oct 2026Frontier · 1 stopCheck now
November 2026US$10712 Nov 2026Frontier · 1 stopCheck now
December 2026US$16313 Dec 2026Frontier · 1 stopCheck now
January 2027US$1773 Jan 2027Frontier · 1 stopCheck now
February 2027US$12426 Feb 2027Frontier · 1 stopCheck now

One-way fares in US dollars, last seen on Aviasales. They can change at any time and may not be available on every day of the month. Partner links: we may earn a commission if you book, at no extra cost to you.

Airlines on this route

Airlines we've seen with fares on this route, listed by price:

  • Frontier: from US$107 (with a stop)
  • Alaska Airlines: from US$175 (with a stop)
  • American Airlines: from US$176 (direct)

Plan the rest of your trip to San Francisco

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Questions about Chicago to San Francisco flights

How much do flights from Chicago to San Francisco cost? Fares we've seen start from US$107 on 29 Oct 2026 with Frontier. Fares change quickly, so look before you book.

When can I save on flights from Chicago to San Francisco? Among the next six months we checked, October 2026 had fares from US$107 in our data, while January 2027 reached US$177. Prices vary by date, so compare several days and save.

Which airlines fly from Chicago to San Francisco? We've seen fares from Frontier, Alaska Airlines, American Airlines. This reflects recent searches, not a complete timetable.

Are there direct flights from Chicago to San Francisco? Yes, we've seen direct fares (1 of 14 recent fares were direct). Availability depends on the date.

Is FindMyFlight free to use? Yes. We never add anything to the fare. If you book through a partner link we may earn a commission from the partner, at no extra cost to you.

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