Cheap flights from Chicago to San Francisco
Flights from Chicago to San Francisco currently start at €85. Below are the cheapest dates, typical duration and airlines on this route. Search live fares when you are ready to book — prices change during the day.
Prices refresh daily · per adult · Typical time: 5h 52m
Key facts
- Lowest fare
- €85 · Tue 17 Nov
- Direct flights
- No, with connections only
- Flight time
- 5h 52m
- Airlines
- Frontier Airlines, Southwest Airlines, Alaska Airlines
- Cheapest month
- November 2026
- Distance
- 2989 km
Round trip
One way
Questions people ask before they book
How much are flights from Chicago to San Francisco?
The lowest fare we currently show from Chicago to San Francisco is €85 for one adult. That price is tied to specific dates and can sell out.
Are there direct flights from Chicago to San Francisco?
Current cheap fares from Chicago to San Francisco include a connection. Search live results and filter by Direct in case a nonstop seat opens up.
Which airlines fly from Chicago to San Francisco?
Airlines showing fares on this route include Frontier Airlines, Southwest Airlines, Alaska Airlines. The cheapest airline is not always the one with a bag included.
How long is the flight from Chicago to San Francisco?
A typical itinerary from Chicago to San Francisco takes about 5h 52m, including connections when the cheapest fare is not direct.
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November 2026