Flights from Chicago to Vacaville

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.

Thu, Sep 4 - Tue, Sep 9

ORD

O'Hare Intl.

SMF

Sacramento Intl.

$202 Roundtrip, found 4 days ago

$202

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Thu, Sep 4 from O'Hare Intl. to Sacramento Intl., returning Tue, Sep 9, priced at $202 found 4 days ago

Tue, Sep 2 - Fri, Sep 5

ORD

O'Hare Intl.

OAK

Oakland Intl.

$205 Roundtrip, found 10 hours ago

$205

Roundtrip

found 10 hours ago

Select Spirit Airlines flight, departing Tue, Sep 2 from O'Hare Intl. to Oakland Intl., returning Fri, Sep 5, priced at $205 found 10 hours ago

Sat, Aug 30 - Wed, Sep 3

ORD

O'Hare Intl.

SMF

Sacramento Intl.

$215 Roundtrip, found 3 days ago

$215

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Sat, Aug 30 from O'Hare Intl. to Sacramento Intl., returning Wed, Sep 3, priced at $215 found 3 days ago

Tue, Sep 2 - Fri, Sep 5

ORD

O'Hare Intl.

OAK

Oakland Intl.

$223 Roundtrip, found 10 hours ago

$223

Roundtrip

found 10 hours ago

Select Spirit Airlines flight, departing Tue, Sep 2 from O'Hare Intl. to Oakland Intl., returning Fri, Sep 5, priced at $223 found 10 hours ago

Sat, Sep 6 - Fri, Sep 12

ORD

O'Hare Intl.

SMF

Sacramento Intl.

$226 Roundtrip, found 1 day ago

$226

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sat, Sep 6 from O'Hare Intl. to Sacramento Intl., returning Fri, Sep 12, priced at $226 found 1 day ago

Tue, Sep 2 - Fri, Sep 5

ORD

O'Hare Intl.

OAK

Oakland Intl.

$231 Roundtrip, found 10 hours ago

$231

Roundtrip

found 10 hours ago

Select Spirit Airlines flight, departing Tue, Sep 2 from O'Hare Intl. to Oakland Intl., returning Fri, Sep 5, priced at $231 found 10 hours ago

Sat, Aug 30 - Tue, Sep 2

ORD

O'Hare Intl.

SMF

Sacramento Intl.

$234 Roundtrip, found 4 days ago

$234

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Sat, Aug 30 from O'Hare Intl. to Sacramento Intl., returning Tue, Sep 2, priced at $234 found 4 days ago

Sun, Aug 31 - Wed, Sep 3

ORD

O'Hare Intl.

SMF

Sacramento Intl.

$237 Roundtrip, found 3 days ago

$237

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sun, Aug 31 from O'Hare Intl. to Sacramento Intl., returning Wed, Sep 3, priced at $237 found 3 days ago

Sat, Sep 6 - Fri, Sep 12

ORD

O'Hare Intl.

SMF

Sacramento Intl.

$239 Roundtrip, found 1 day ago

$239

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sat, Sep 6 from O'Hare Intl. to Sacramento Intl., returning Fri, Sep 12, priced at $239 found 1 day ago

Tue, Sep 2 - Fri, Sep 5

ORD

O'Hare Intl.

OAK

Oakland Intl.

$244 Roundtrip, found 10 hours ago

$244

Roundtrip

found 10 hours ago

Select Spirit Airlines flight, departing Tue, Sep 2 from O'Hare Intl. to Oakland Intl., returning Fri, Sep 5, priced at $244 found 10 hours ago

Sat, Aug 30 - Fri, Sep 5

ORD

O'Hare Intl.

SMF

Sacramento Intl.

$244 Roundtrip, found 3 days ago

$244

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Sat, Aug 30 from O'Hare Intl. to Sacramento Intl., returning Fri, Sep 5, priced at $244 found 3 days ago

Sun, Aug 31 - Fri, Sep 5

ORD

O'Hare Intl.

SMF

Sacramento Intl.

$268 Roundtrip, found 6 hours ago

$268

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Sun, Aug 31 from O'Hare Intl. to Sacramento Intl., returning Fri, Sep 5, priced at $268 found 6 hours ago

Sat, Sep 6 - Fri, Sep 12

ORD

O'Hare Intl.

SMF

Sacramento Intl.

$316 Roundtrip, found 1 day ago

$316

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Sat, Sep 6 from O'Hare Intl. to Sacramento Intl., returning Fri, Sep 12, priced at $316 found 1 day ago

Sun, Aug 31 - Fri, Sep 5

ORD

O'Hare Intl.

SMF

Sacramento Intl.

$353 Roundtrip, found 6 hours ago

$353

Roundtrip

found 6 hours ago

Select American Airlines flight, departing Sun, Aug 31 from O'Hare Intl. to Sacramento Intl., returning Fri, Sep 5, priced at $353 found 6 hours ago

Sun, Aug 31 - Fri, Sep 5

ORD

O'Hare Intl.

SMF

Sacramento Intl.

$353 Roundtrip, found 6 hours ago

$353

Roundtrip

found 6 hours ago

Select United flight, departing Sun, Aug 31 from O'Hare Intl. to Sacramento Intl., returning Fri, Sep 5, priced at $353 found 6 hours ago

Sat, Sep 6 - Fri, Sep 12

ORD

O'Hare Intl.

SMF

Sacramento Intl.

$359 Roundtrip, found 1 day ago

$359

Roundtrip

found 1 day ago

Select Delta flight, departing Sat, Sep 6 from O'Hare Intl. to Sacramento Intl., returning Fri, Sep 12, priced at $359 found 1 day ago

Wed, Sep 3 - Thu, Sep 4

ORD

O'Hare Intl.

SMF

Sacramento Intl.

$367 Roundtrip, found 3 days ago

$367

Roundtrip

found 3 days ago

Select Hawaiian Airlines flight, departing Wed, Sep 3 from O'Hare Intl. to Sacramento Intl., returning Thu, Sep 4, priced at $367 found 3 days ago

Sat, Sep 27 - Tue, Sep 30

MDW

Midway Intl.

OAK

Oakland Intl.

$393 Roundtrip, found 3 days ago

$393

Roundtrip

found 3 days ago

Select Delta flight, departing Sat, Sep 27 from Midway Intl. to Oakland Intl., returning Tue, Sep 30, priced at $393 found 3 days ago

Thu, Sep 4 - Tue, Sep 9

ORD

O'Hare Intl.

SMF

Sacramento Intl.

$437 Roundtrip, found 4 days ago

$437

Roundtrip

found 4 days ago

Select JetBlue Airways flight, departing Thu, Sep 4 from O'Hare Intl. to Sacramento Intl., returning Tue, Sep 9, priced at $437 found 4 days ago

Thu, Aug 7 - Tue, Aug 12

MDW

Midway Intl.

SMF

Sacramento Intl.

$818 Roundtrip, found 2 days ago

$818

Roundtrip

found 2 days ago

Select Delta flight, departing Thu, Aug 7 from Midway Intl. to Sacramento Intl., returning Tue, Aug 12, priced at $818 found 2 days ago