Chicago to San Francisco
MDWSFO
Fly from Chicago to San Francisco starting at USD 102 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 102
Dec
from USD 119
Jan
from USD 125
Feb
from USD 143
Mar
from USD 185
Apr
from USD 190
Airport Details
Origin
Chicago
Chicago Midway International Airport (MDW)
Chicago, MDW
Zone
Chicago
Elev
620 ft
Destination
San Francisco
San Francisco International Airport (SFO)
San Francisco, SFO
Zone
Los Angeles
Elev
13 ft
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