Flights from Chicago to Nicasio

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.

Wed, Sep 3 - Tue, Sep 9

ORD

O'Hare Intl.

OAK

Oakland Intl.

$185 Roundtrip, found 5 days ago

$185

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Wed, Sep 3 from O'Hare Intl. to Oakland Intl., returning Tue, Sep 9, priced at $185 found 5 days ago

Thu, Sep 4 - Mon, Sep 8

ORD

O'Hare Intl.

OAK

Oakland Intl.

$186 Roundtrip, found 5 days ago

$186

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Thu, Sep 4 from O'Hare Intl. to Oakland Intl., returning Mon, Sep 8, priced at $186 found 5 days ago

Tue, Sep 2 - Tue, Sep 9

ORD

O'Hare Intl.

OAK

Oakland Intl.

$192 Roundtrip, found 5 days ago

$192

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Tue, Sep 2 from O'Hare Intl. to Oakland Intl., returning Tue, Sep 9, priced at $192 found 5 days ago

Thu, Sep 4 - Mon, Sep 8

ORD

O'Hare Intl.

OAK

Oakland Intl.

$197 Roundtrip, found 5 days ago

$197

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Thu, Sep 4 from O'Hare Intl. to Oakland Intl., returning Mon, Sep 8, priced at $197 found 5 days ago

Tue, Sep 2 - Fri, Sep 5

ORD

O'Hare Intl.

OAK

Oakland Intl.

$199 Roundtrip, found 5 days ago

$199

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Tue, Sep 2 from O'Hare Intl. to Oakland Intl., returning Fri, Sep 5, priced at $199 found 5 days ago

Thu, Sep 4 - Mon, Sep 8

ORD

O'Hare Intl.

OAK

Oakland Intl.

$204 Roundtrip, found 5 days ago

$204

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Thu, Sep 4 from O'Hare Intl. to Oakland Intl., returning Mon, Sep 8, priced at $204 found 5 days ago

Fri, Sep 5 - Sat, Sep 6

ORD

O'Hare Intl.

OAK

Oakland Intl.

$204 Roundtrip, found 5 days ago

$204

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Fri, Sep 5 from O'Hare Intl. to Oakland Intl., returning Sat, Sep 6, priced at $204 found 5 days ago

Thu, Aug 7 - Tue, Aug 12

ORD

O'Hare Intl.

SFO

San Francisco Intl.

$207 Roundtrip, found 4 hours ago

$207

Roundtrip

found 4 hours ago

Select United flight, departing Thu, Aug 7 from O'Hare Intl. to San Francisco Intl., returning Tue, Aug 12, priced at $207 found 4 hours ago

Thu, Aug 7 - Tue, Aug 12

ORD

O'Hare Intl.

SFO

San Francisco Intl.

$212 Roundtrip, found 4 hours ago

$212

Roundtrip

found 4 hours ago

Select United flight, departing Thu, Aug 7 from O'Hare Intl. to San Francisco Intl., returning Tue, Aug 12, priced at $212 found 4 hours ago

Thu, Sep 4 - Mon, Sep 8

ORD

O'Hare Intl.

OAK

Oakland Intl.

$214 Roundtrip, found 5 days ago

$214

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Thu, Sep 4 from O'Hare Intl. to Oakland Intl., returning Mon, Sep 8, priced at $214 found 5 days ago

Thu, Sep 4 - Mon, Sep 8

ORD

O'Hare Intl.

OAK

Oakland Intl.

$220 Roundtrip, found 5 days ago

$220

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Thu, Sep 4 from O'Hare Intl. to Oakland Intl., returning Mon, Sep 8, priced at $220 found 5 days ago

Thu, Sep 4 - Mon, Sep 8

ORD

O'Hare Intl.

OAK

Oakland Intl.

$225 Roundtrip, found 5 days ago

$225

Roundtrip

found 5 days ago

Select Delta flight, departing Thu, Sep 4 from O'Hare Intl. to Oakland Intl., returning Mon, Sep 8, priced at $225 found 5 days ago

Wed, Aug 6 - Tue, Aug 12

ORD

O'Hare Intl.

SFO

San Francisco Intl.

$227 Roundtrip, found 4 days ago

$227

Roundtrip

found 4 days ago

Select Hawaiian Airlines flight, departing Wed, Aug 6 from O'Hare Intl. to San Francisco Intl., returning Tue, Aug 12, priced at $227 found 4 days ago

Thu, Sep 4 - Mon, Sep 8

ORD

O'Hare Intl.

OAK

Oakland Intl.

$232 Roundtrip, found 5 days ago

$232

Roundtrip

found 5 days ago

Select Alaska Airlines flight, departing Thu, Sep 4 from O'Hare Intl. to Oakland Intl., returning Mon, Sep 8, priced at $232 found 5 days ago

Thu, Sep 4 - Mon, Sep 8

ORD

O'Hare Intl.

OAK

Oakland Intl.

$235 Roundtrip, found 5 days ago

$235

Roundtrip

found 5 days ago

Select Alaska Airlines flight, departing Thu, Sep 4 from O'Hare Intl. to Oakland Intl., returning Mon, Sep 8, priced at $235 found 5 days ago

Thu, Aug 7 - Tue, Aug 12

ORD

O'Hare Intl.

SFO

San Francisco Intl.

$245 Roundtrip, found 4 hours ago

$245

Roundtrip

found 4 hours ago

Select American Airlines flight, departing Thu, Aug 7 from O'Hare Intl. to San Francisco Intl., returning Tue, Aug 12, priced at $245 found 4 hours ago

Thu, Aug 7 - Tue, Aug 12

ORD

O'Hare Intl.

SFO

San Francisco Intl.

$250 Roundtrip, found 4 hours ago

$250

Roundtrip

found 4 hours ago

Select Alaska Airlines flight, departing Thu, Aug 7 from O'Hare Intl. to San Francisco Intl., returning Tue, Aug 12, priced at $250 found 4 hours ago

Sat, Aug 9 - Tue, Aug 12

MDW

Midway Intl.

SFO

San Francisco Intl.

$257 Roundtrip, found 1 day ago

$257

Roundtrip

found 1 day ago

Select Delta flight, departing Sat, Aug 9 from Midway Intl. to San Francisco Intl., returning Tue, Aug 12, priced at $257 found 1 day ago

Sat, Sep 6 - Mon, Sep 8

MDW

Midway Intl.

OAK

Oakland Intl.

$267 Roundtrip, found 5 days ago

$267

Roundtrip

found 5 days ago

Select Delta flight, departing Sat, Sep 6 from Midway Intl. to Oakland Intl., returning Mon, Sep 8, priced at $267 found 5 days ago

Thu, Aug 7 - Thu, Aug 14

MDW

Midway Intl.

SFO

San Francisco Intl.

$289 Roundtrip, found 1 day ago

$289

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Aug 7 from Midway Intl. to San Francisco Intl., returning Thu, Aug 14, priced at $289 found 1 day ago