Cheapest one-way
$ 166.00
Frontier Airlines · 1 stop · 4 hr 10 min
One-way tickets on ORD–SFO recently started around $ 166.00.
Flights from Chicago to San Francisco
Looking for cheap flights from Chicago to San Francisco? Fares on the ORD–SFO corridor have started around $ 332.00; review the latest prices, carriers and travel times here.
Chicago to San Francisco flights overview
The lowest fare BookingTrolley recently tracked from Chicago to San Francisco was $ 332.00. Based on this route's seasonal pattern, fares average roughly $ 343.00 over the year. Nov tends to be the cheapest month to fly (around $ 286.00), while Jun is usually the most expensive at about $ 425.00 — a swing of roughly 49%.
Covering around 2,964 km between ORD and SFO, the quickest nonstop flight takes about 2 hr 38 min. BookingTrolley found 4 airlines currently compete on the ORD–SFO corridor, with Frontier Airlines posting one of the lowest fares at $ 332.00. 2 of them offer nonstop options, which save layover time but can cost more than connecting itineraries.
Frequently asked questions about flying from Chicago to San Francisco
Tuesday and Wednesday are typically the cheapest days to fly from Chicago to San Francisco. According to BookingTrolley fare data on the Chicago to San Francisco route (ORD–SFO), round-trip tickets started at $ 332.00. United States travellers often save by shifting 3–4 days around their preferred date on BookingTrolley.
The cheapest airlines on Chicago to San Francisco are Frontier Airlines (from $ 332.00), American Airlines (from $ 466.00), United Airlines (from $ 567.00), according to BookingTrolley's multi-provider comparison priced for the United States market currency when available.
The cheapest flights from Chicago to San Francisco started at $ 332.00 round trip with one stop on Frontier Airlines, per BookingTrolley data relevant to United States shoppers. Fares fluctuate with demand.
A nonstop flight from Chicago to San Francisco takes about 2 hr 38 min in the air on the fastest outbound leg, based on BookingTrolley itinerary data from recent searches. Connecting flights add layover time and can extend total travel to a full day or more.
Shoulder season around peak holidays often pairs softer airfares with lighter crowds. According to BookingTrolley fare data on the Chicago to San Francisco route (ORD–SFO), round-trip tickets started at $ 332.00. BookingTrolley suggests booking 4–8 weeks ahead for routes like Chicago to San Francisco.
Use BookingTrolley's flexible-date comparison for Chicago (ORD) to San Francisco (SFO) to see which days cost least. Avoiding Friday–Sunday peaks is one of the fastest ways for United States travellers to cut the ticket price.
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Explore fares from Chicago, into San Francisco, and on related corridors with BookingTrolley.
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