Flights from Princeton to Chicago

Cheapest flights from Princeton

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, Sep 9 - Sat, Sep 27

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$147 Roundtrip, found 5 days ago

$147

Roundtrip

found 5 days ago

Select American Airlines flight, departing Tue, Sep 9 from Newark Liberty Intl. Airport to O'Hare Intl., returning Sat, Sep 27, priced at $147 found 5 days ago

Tue, Sep 9 - Sat, Sep 27

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$147 Roundtrip, found 5 days ago

$147

Roundtrip

found 5 days ago

Select United flight, departing Tue, Sep 9 from Newark Liberty Intl. Airport to O'Hare Intl., returning Sat, Sep 27, priced at $147 found 5 days ago

Tue, Oct 7 - Thu, Oct 16

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$150 Roundtrip, found 1 day ago

$150

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Oct 7 from Newark Liberty Intl. Airport to O'Hare Intl., returning Thu, Oct 16, priced at $150 found 1 day ago

Tue, Oct 7 - Thu, Oct 16

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$152 Roundtrip, found 1 day ago

$152

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Tue, Oct 7 from Newark Liberty Intl. Airport to O'Hare Intl., returning Thu, Oct 16, priced at $152 found 1 day ago

Tue, Sep 9 - Sat, Sep 27

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$157 Roundtrip, found 5 days ago

$157

Roundtrip

found 5 days ago

Select Delta flight, departing Tue, Sep 9 from Newark Liberty Intl. Airport to O'Hare Intl., returning Sat, Sep 27, priced at $157 found 5 days ago

Tue, Oct 7 - Thu, Oct 16

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$159 Roundtrip, found 1 day ago

$159

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Oct 7 from Newark Liberty Intl. Airport to O'Hare Intl., returning Thu, Oct 16, priced at $159 found 1 day ago

Tue, Sep 9 - Sat, Sep 27

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$165 Roundtrip, found 5 days ago

$165

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Tue, Sep 9 from Newark Liberty Intl. Airport to O'Hare Intl., returning Sat, Sep 27, priced at $165 found 5 days ago

Wed, Aug 27 - Wed, Sep 3

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$167 Roundtrip, found 9 hours ago

$167

Roundtrip

found 9 hours ago

Select Spirit Airlines flight, departing Wed, Aug 27 from Newark Liberty Intl. Airport to O'Hare Intl., returning Wed, Sep 3, priced at $167 found 9 hours ago

Wed, Oct 8 - Tue, Oct 14

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$167 Roundtrip, found 1 day ago

$167

Roundtrip

found 1 day ago

Select Delta flight, departing Wed, Oct 8 from Newark Liberty Intl. Airport to O'Hare Intl., returning Tue, Oct 14, priced at $167 found 1 day ago

Tue, Sep 9 - Sat, Sep 27

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$171 Roundtrip, found 5 days ago

$171

Roundtrip

found 5 days ago

Select United flight, departing Tue, Sep 9 from Newark Liberty Intl. Airport to O'Hare Intl., returning Sat, Sep 27, priced at $171 found 5 days ago

Sat, Oct 4 - Tue, Oct 14

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$173 Roundtrip, found 1 day ago

$173

Roundtrip

found 1 day ago

Select Delta flight, departing Sat, Oct 4 from Newark Liberty Intl. Airport to O'Hare Intl., returning Tue, Oct 14, priced at $173 found 1 day ago

Tue, Oct 7 - Thu, Oct 16

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$173 Roundtrip, found 1 day ago

$173

Roundtrip

found 1 day ago

Select United flight, departing Tue, Oct 7 from Newark Liberty Intl. Airport to O'Hare Intl., returning Thu, Oct 16, priced at $173 found 1 day ago

Tue, Oct 7 - Thu, Oct 16

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$175 Roundtrip, found 1 day ago

$175

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Oct 7 from Newark Liberty Intl. Airport to O'Hare Intl., returning Thu, Oct 16, priced at $175 found 1 day ago

Tue, Oct 7 - Thu, Oct 16

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$175 Roundtrip, found 1 day ago

$175

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Tue, Oct 7 from Newark Liberty Intl. Airport to O'Hare Intl., returning Thu, Oct 16, priced at $175 found 1 day ago

Sun, Aug 31 - Wed, Sep 3

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$177 Roundtrip, found 9 hours ago

$177

Roundtrip

found 9 hours ago

Select Delta flight, departing Sun, Aug 31 from Newark Liberty Intl. Airport to O'Hare Intl., returning Wed, Sep 3, priced at $177 found 9 hours ago

Tue, Oct 7 - Thu, Oct 16

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$179 Roundtrip, found 1 day ago

$179

Roundtrip

found 1 day ago

Select United flight, departing Tue, Oct 7 from Newark Liberty Intl. Airport to O'Hare Intl., returning Thu, Oct 16, priced at $179 found 1 day ago

Wed, Aug 20 - Mon, Aug 25

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$180 Roundtrip, found 4 days ago

$180

Roundtrip

found 4 days ago

Select American Airlines flight, departing Wed, Aug 20 from Newark Liberty Intl. Airport to O'Hare Intl., returning Mon, Aug 25, priced at $180 found 4 days ago

Wed, Aug 20 - Mon, Aug 25

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$180 Roundtrip, found 4 days ago

$180

Roundtrip

found 4 days ago

Select United flight, departing Wed, Aug 20 from Newark Liberty Intl. Airport to O'Hare Intl., returning Mon, Aug 25, priced at $180 found 4 days ago

Tue, Sep 9 - Sat, Sep 27

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$267 Roundtrip, found 5 days ago

$267

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Tue, Sep 9 from Newark Liberty Intl. Airport to O'Hare Intl., returning Sat, Sep 27, priced at $267 found 5 days ago

Mon, Jul 21 - Thu, Jul 24

TTN

Mercer

MDW

Midway Intl.

$284 Roundtrip, found 4 days ago

$284

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Jul 21 from Mercer to Midway Intl., returning Thu, Jul 24, priced at $284 found 4 days ago