Nonstop fares between Chicago and San Francisco dropped to $178 roundtrip, including tax. These Frontier Airlines flights save up to $100 on the usual cost.
Save an additional $20 with Frontier when you sign up for their Discount Den email list during the booking process. These extra savings for email subscribers are not valid on every date, but seem to be pretty widely available from our research. Also worth noting, fares are available for $179 roundtrip, including tax, on American Airlines on select dates, which offers potentially a better value when compared to Frontier, depending on your luggage.
Fly.com Fare Calendars:
- $178 — San Francisco to Chicago Nonstop (R/T, w/Tax)
- $178 — Chicago to San Francisco Nonstop (R/T, w/Tax)
Savings:
- Up to $100 OFF regular pricing
Travel Dates:
- Through October
Sample Screenshots:
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Featured Image: City of Chicago Downtown and River with Bridges (Shutterstock.com)