Flights from Chicago to San Ramon

Cheapest flights from Chicago

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jul 1 - Wed, Jul 9

ORD

O'Hare Intl.

OAK

Oakland Intl.

$175 Roundtrip, found 3 days ago

$175

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Tue, Jul 1 from O'Hare Intl. to Oakland Intl., returning Wed, Jul 9, priced at $175 found 3 days ago

Tue, Jul 1 - Mon, Jul 7

ORD

O'Hare Intl.

OAK

Oakland Intl.

$182 Roundtrip, found 3 days ago

$182

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Tue, Jul 1 from O'Hare Intl. to Oakland Intl., returning Mon, Jul 7, priced at $182 found 3 days ago

Mon, Jun 30 - Tue, Jul 1

ORD

O'Hare Intl.

OAK

Oakland Intl.

$193 Roundtrip, found 3 days ago

$193

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Mon, Jun 30 from O'Hare Intl. to Oakland Intl., returning Tue, Jul 1, priced at $193 found 3 days ago

Sun, Jun 29 - Wed, Jul 9

ORD

O'Hare Intl.

OAK

Oakland Intl.

$199 Roundtrip, found 3 days ago

$199

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Sun, Jun 29 from O'Hare Intl. to Oakland Intl., returning Wed, Jul 9, priced at $199 found 3 days ago

Sun, Jun 29 - Tue, Jul 1

ORD

O'Hare Intl.

OAK

Oakland Intl.

$201 Roundtrip, found 3 days ago

$201

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Sun, Jun 29 from O'Hare Intl. to Oakland Intl., returning Tue, Jul 1, priced at $201 found 3 days ago

Sun, Jun 29 - Mon, Jun 30

ORD

O'Hare Intl.

OAK

Oakland Intl.

$201 Roundtrip, found 3 days ago

$201

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Sun, Jun 29 from O'Hare Intl. to Oakland Intl., returning Mon, Jun 30, priced at $201 found 3 days ago

Sun, Jun 29 - Mon, Jul 7

ORD

O'Hare Intl.

OAK

Oakland Intl.

$206 Roundtrip, found 3 days ago

$206

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Sun, Jun 29 from O'Hare Intl. to Oakland Intl., returning Mon, Jul 7, priced at $206 found 3 days ago

Tue, Jul 22 - Mon, Jul 28

ORD

O'Hare Intl.

SFO

San Francisco Intl.

$207 Roundtrip, just found

$207

Roundtrip

just found

Select Hawaiian Airlines flight, departing Tue, Jul 22 from O'Hare Intl. to San Francisco Intl., returning Mon, Jul 28, priced at $207 just found

Tue, Jul 1 - Thu, Jul 10

ORD

O'Hare Intl.

OAK

Oakland Intl.

$215 Roundtrip, found 3 days ago

$215

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Tue, Jul 1 from O'Hare Intl. to Oakland Intl., returning Thu, Jul 10, priced at $215 found 3 days ago

Thu, Jul 24 - Mon, Jul 28

ORD

O'Hare Intl.

SFO

San Francisco Intl.

$217 Roundtrip, just found

$217

Roundtrip

just found

Select Hawaiian Airlines flight, departing Thu, Jul 24 from O'Hare Intl. to San Francisco Intl., returning Mon, Jul 28, priced at $217 just found

Thu, Jul 24 - Sun, Jul 27

ORD

O'Hare Intl.

SFO

San Francisco Intl.

$217 Roundtrip, just found

$217

Roundtrip

just found

Select United flight, departing Thu, Jul 24 from O'Hare Intl. to San Francisco Intl., returning Sun, Jul 27, priced at $217 just found

Fri, Jun 27 - Wed, Jul 9

ORD

O'Hare Intl.

OAK

Oakland Intl.

$218 Roundtrip, found 3 days ago

$218

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Fri, Jun 27 from O'Hare Intl. to Oakland Intl., returning Wed, Jul 9, priced at $218 found 3 days ago

Tue, Jul 1 - Thu, Jul 3

ORD

O'Hare Intl.

OAK

Oakland Intl.

$221 Roundtrip, found 3 days ago

$221

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Tue, Jul 1 from O'Hare Intl. to Oakland Intl., returning Thu, Jul 3, priced at $221 found 3 days ago

Fri, Jun 27 - Mon, Jul 7

ORD

O'Hare Intl.

OAK

Oakland Intl.

$225 Roundtrip, found 3 days ago

$225

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Fri, Jun 27 from O'Hare Intl. to Oakland Intl., returning Mon, Jul 7, priced at $225 found 3 days ago

Thu, Jul 10 - Tue, Jul 15

ORD

O'Hare Intl.

SFO

San Francisco Intl.

$227 Roundtrip, found 2 days ago

$227

Roundtrip

found 2 days ago

Select Hawaiian Airlines flight, departing Thu, Jul 10 from O'Hare Intl. to San Francisco Intl., returning Tue, Jul 15, priced at $227 found 2 days ago

Mon, Jun 30 - Fri, Jul 4

ORD

O'Hare Intl.

OAK

Oakland Intl.

$230 Roundtrip, found 3 days ago

$230

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Mon, Jun 30 from O'Hare Intl. to Oakland Intl., returning Fri, Jul 4, priced at $230 found 3 days ago

Tue, Sep 9 - Tue, Sep 16

ORD

O'Hare Intl.

SFO

San Francisco Intl.

$245 Roundtrip, found 3 days ago

$245

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Tue, Sep 9 from O'Hare Intl. to San Francisco Intl., returning Tue, Sep 16, priced at $245 found 3 days ago

Thu, Jul 24 - Sun, Jul 27

ORD

O'Hare Intl.

SFO

San Francisco Intl.

$253 Roundtrip, just found

$253

Roundtrip

just found

Select American Airlines flight, departing Thu, Jul 24 from O'Hare Intl. to San Francisco Intl., returning Sun, Jul 27, priced at $253 just found

Tue, Jul 22 - Sat, Jul 26

ORD

O'Hare Intl.

SFO

San Francisco Intl.

$257 Roundtrip, just found

$257

Roundtrip

just found

Select Delta flight, departing Tue, Jul 22 from O'Hare Intl. to San Francisco Intl., returning Sat, Jul 26, priced at $257 just found

Tue, Jul 8 - Tue, Jul 15

MDW

Midway Intl.

SFO

San Francisco Intl.

$372 Roundtrip, found 2 days ago

$372

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Tue, Jul 8 from Midway Intl. to San Francisco Intl., returning Tue, Jul 15, priced at $372 found 2 days ago