Chicago to San Francisco
ORDSFO
Fly from Chicago to San Francisco starting at USD 96 with Frontier Airlines.
Best fare available on Nov 14, 2026.
Limited seats. Better plans. Book before it's gone.
Chicago to San Francisco cheapest flights this week
Chicago to San Francisco monthly flight fare trend
Nov
from USD 96
Dec
from USD 114
Jan
from USD 151
Feb
from USD 79
Mar
from USD 156
Apr
from USD 159
Airport Details
Origin
Chicago
Chicago O'Hare International Airport (ORD)
Chicago, ORD
Zone
Chicago
Elev
680 ft
Destination
San Francisco
San Francisco International Airport (SFO)
San Francisco, SFO
Zone
Los Angeles
Elev
13 ft
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