Cheap flights from Chicago to Berkeley from CA $71

View CA $71 flight on Wed, Aug. 13, 2025Opens in a new window

Popular airlines from Chicago to Berkeley

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Cheap flights from Chicago (CHI) to Berkeley (OAK)

Prices were available within the past 7 days and start at CA $71 for one-way flights and CA $162 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Dec. 12 - Mon, Dec. 15
ORD
Chicago
SFO
San Francisco
CA $162 Roundtrip, found 3 days ago
CA $162
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Dec. 12 from Chicago to San Francisco, returning Mon, Dec. 15, priced at CA $162 found 3 days ago
Spirit Airlines
Sat, Sep. 6 - Sat, Sep. 20
ORD
Chicago
OAK
Oakland
CA $218 Roundtrip, found 5 days ago
CA $218
Roundtrip
found 5 days ago
Select Spirit Airlines flight, departing Sat, Sep. 6 from Chicago to Oakland, returning Sat, Sep. 20, priced at CA $218 found 5 days ago
Alaska Airlines
Sat, Aug. 16 - Mon, Aug. 18
ORD
Chicago
SFO
San Francisco
CA $223 Roundtrip, found 1 day ago
CA $223
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Aug. 16 from Chicago to San Francisco, returning Mon, Aug. 18, priced at CA $223 found 1 day ago
Hawaiian Airlines
Wed, Aug. 13 - Mon, Aug. 18
ORD
Chicago
SFO
San Francisco
CA $223 Roundtrip, found 1 day ago
CA $223
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Wed, Aug. 13 from Chicago to San Francisco, returning Mon, Aug. 18, priced at CA $223 found 1 day ago
American Airlines
Sat, Aug. 16 - Mon, Aug. 18
ORD
Chicago
SFO
San Francisco
CA $226 Roundtrip, found 1 day ago
CA $226
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Aug. 16 from Chicago to San Francisco, returning Mon, Aug. 18, priced at CA $226 found 1 day ago
Delta
Fri, Dec. 12 - Mon, Dec. 15
ORD
Chicago
SFO
San Francisco
CA $249 Roundtrip, found 3 days ago
CA $249
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Dec. 12 from Chicago to San Francisco, returning Mon, Dec. 15, priced at CA $249 found 3 days ago

Find the cheapest month to fly from Chicago (CHI) to Oakland (OAK)

October is typically the cheapest month to fly

From CA $142 - CA $446 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.