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.

$143 Roundtrip, found 2 days ago

$143

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Thu, Sep 4 from O'Hare Intl. to Sacramento Intl., returning Tue, Sep 9, priced at $143 found 2 days ago

Thu, Sep 4 - Tue, Sep 9

ORD

O'Hare Intl.

SMF

Sacramento Intl.

$177 Roundtrip, found 2 days ago

$177

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Sep 4 from O'Hare Intl. to Sacramento Intl., returning Tue, Sep 9, priced at $177 found 2 days ago

Thu, Sep 4 - Tue, Sep 9

ORD

O'Hare Intl.

SMF

Sacramento Intl.

$180 Roundtrip, found 2 days ago

$180

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Thu, Sep 4 from O'Hare Intl. to Sacramento Intl., returning Tue, Sep 9, priced at $180 found 2 days ago

Thu, Sep 4 - Mon, Sep 8

ORD

O'Hare Intl.

SMF

Sacramento Intl.

$201 Roundtrip, found 3 days ago

$201

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Thu, Sep 4 from O'Hare Intl. to Sacramento Intl., returning Mon, Sep 8, priced at $201 found 3 days ago

Tue, Sep 2 - Fri, Sep 5

ORD

O'Hare Intl.

OAK

Oakland Intl.

$205 Roundtrip, found 4 days ago

$205

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Tue, Sep 2 from O'Hare Intl. to Oakland Intl., returning Fri, Sep 5, priced at $205 found 4 days ago

Thu, Sep 4 - Tue, Sep 9

ORD

O'Hare Intl.

SMF

Sacramento Intl.

$206 Roundtrip, found 2 days ago

$206

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Sep 4 from O'Hare Intl. to Sacramento Intl., returning Tue, Sep 9, priced at $206 found 2 days ago

Wed, Oct 15 - Thu, Oct 16

ORD

O'Hare Intl.

OAK

Oakland Intl.

$211 Roundtrip, found 1 day ago

$211

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Wed, Oct 15 from O'Hare Intl. to Oakland Intl., returning Thu, Oct 16, priced at $211 found 1 day ago

Sat, Oct 11 - Thu, Oct 16

ORD

O'Hare Intl.

OAK

Oakland Intl.

$218 Roundtrip, found 1 day ago

$218

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sat, Oct 11 from O'Hare Intl. to Oakland Intl., returning Thu, Oct 16, priced at $218 found 1 day ago

Tue, Sep 2 - Fri, Sep 5

ORD

O'Hare Intl.

OAK

Oakland Intl.

$223 Roundtrip, found 4 days ago

$223

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Tue, Sep 2 from O'Hare Intl. to Oakland Intl., returning Fri, Sep 5, priced at $223 found 4 days ago

Sat, Oct 11 - Fri, Oct 17

ORD

O'Hare Intl.

OAK

Oakland Intl.

$225 Roundtrip, found 1 day ago

$225

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sat, Oct 11 from O'Hare Intl. to Oakland Intl., returning Fri, Oct 17, priced at $225 found 1 day ago

Sat, Sep 6 - Fri, Sep 12

ORD

O'Hare Intl.

SMF

Sacramento Intl.

$226 Roundtrip, found 5 days ago

$226

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Sat, Sep 6 from O'Hare Intl. to Sacramento Intl., returning Fri, Sep 12, priced at $226 found 5 days ago

Thu, Sep 4 - Tue, Sep 9

ORD

O'Hare Intl.

SMF

Sacramento Intl.

$230 Roundtrip, found 2 days ago

$230

Roundtrip

found 2 days ago

Select American Airlines flight, departing Thu, Sep 4 from O'Hare Intl. to Sacramento Intl., returning Tue, Sep 9, priced at $230 found 2 days ago

Fri, Oct 17 - Wed, Oct 22

ORD

O'Hare Intl.

OAK

Oakland Intl.

$246 Roundtrip, found 1 day ago

$246

Roundtrip

found 1 day ago

Select Hawaiian Airlines flight, departing Fri, Oct 17 from O'Hare Intl. to Oakland Intl., returning Wed, Oct 22, priced at $246 found 1 day ago

Thu, Sep 4 - Mon, Sep 8

ORD

O'Hare Intl.

SMF

Sacramento Intl.

$268 Roundtrip, found 3 days ago

$268

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Sep 4 from O'Hare Intl. to Sacramento Intl., returning Mon, Sep 8, priced at $268 found 3 days ago

Sat, Sep 6 - Fri, Sep 12

ORD

O'Hare Intl.

SMF

Sacramento Intl.

$316 Roundtrip, found 5 days ago

$316

Roundtrip

found 5 days ago

Select Alaska Airlines flight, departing Sat, Sep 6 from O'Hare Intl. to Sacramento Intl., returning Fri, Sep 12, priced at $316 found 5 days ago

Thu, Sep 4 - Tue, Sep 9

ORD

O'Hare Intl.

SMF

Sacramento Intl.

$317 Roundtrip, found 2 days ago

$317

Roundtrip

found 2 days ago

Select American Airlines flight, departing Thu, Sep 4 from O'Hare Intl. to Sacramento Intl., returning Tue, Sep 9, priced at $317 found 2 days ago

Thu, Sep 4 - Tue, Sep 9

ORD

O'Hare Intl.

SMF

Sacramento Intl.

$317 Roundtrip, found 2 days ago

$317

Roundtrip

found 2 days ago

Select United flight, departing Thu, Sep 4 from O'Hare Intl. to Sacramento Intl., returning Tue, Sep 9, priced at $317 found 2 days ago

Thu, Sep 4 - Tue, Sep 9

ORD

O'Hare Intl.

SMF

Sacramento Intl.

$336 Roundtrip, found 2 days ago

$336

Roundtrip

found 2 days ago

Select Delta flight, departing Thu, Sep 4 from O'Hare Intl. to Sacramento Intl., returning Tue, Sep 9, priced at $336 found 2 days ago

Thu, Sep 4 - Mon, Sep 8

ORD

O'Hare Intl.

SMF

Sacramento Intl.

$393 Roundtrip, found 3 days ago

$393

Roundtrip

found 3 days ago

Select JetBlue Airways flight, departing Thu, Sep 4 from O'Hare Intl. to Sacramento Intl., returning Mon, Sep 8, priced at $393 found 3 days ago

Thu, Aug 7 - Tue, Aug 12

MDW

Midway Intl.

SMF

Sacramento Intl.

$818 Roundtrip, found 6 days ago

$818

Roundtrip

found 6 days ago

Select Delta flight, departing Thu, Aug 7 from Midway Intl. to Sacramento Intl., returning Tue, Aug 12, priced at $818 found 6 days ago