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.

Wed, Jun 11 - Wed, Jun 18

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$100 Roundtrip, found 5 days ago

$100

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Wed, Jun 11 from Newark Liberty Intl. Airport to O'Hare Intl., returning Wed, Jun 18, priced at $100 found 5 days ago

Tue, Jun 17 - Tue, Jun 17

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$100 Roundtrip, found 6 days ago

$100

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Tue, Jun 17 from Newark Liberty Intl. Airport to O'Hare Intl., returning Tue, Jun 17, priced at $100 found 6 days ago

Wed, Jun 11 - Fri, Jun 20

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$111 Roundtrip, found 5 days ago

$111

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Wed, Jun 11 from Newark Liberty Intl. Airport to O'Hare Intl., returning Fri, Jun 20, priced at $111 found 5 days ago

Wed, Jun 18 - Sat, Jun 21

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$112 Roundtrip, found 1 day ago

$112

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Wed, Jun 18 from Newark Liberty Intl. Airport to O'Hare Intl., returning Sat, Jun 21, priced at $112 found 1 day ago

Tue, Jun 10 - Fri, Jun 20

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$119 Roundtrip, found 5 days ago

$119

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Tue, Jun 10 from Newark Liberty Intl. Airport to O'Hare Intl., returning Fri, Jun 20, priced at $119 found 5 days ago

Thu, Oct 16 - Sat, Oct 18

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$122 Roundtrip, found 5 days ago

$122

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Thu, Oct 16 from Newark Liberty Intl. Airport to O'Hare Intl., returning Sat, Oct 18, priced at $122 found 5 days ago

Sat, Jun 14 - Fri, Jun 20

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$129 Roundtrip, found 5 days ago

$129

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Sat, Jun 14 from Newark Liberty Intl. Airport to O'Hare Intl., returning Fri, Jun 20, priced at $129 found 5 days ago

Tue, Jun 10 - Tue, Jun 17

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$130 Roundtrip, found 5 days ago

$130

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Tue, Jun 10 from Newark Liberty Intl. Airport to O'Hare Intl., returning Tue, Jun 17, priced at $130 found 5 days ago

Wed, Jun 11 - Wed, Jun 18

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$132 Roundtrip, found 5 days ago

$132

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Wed, Jun 11 from Newark Liberty Intl. Airport to O'Hare Intl., returning Wed, Jun 18, priced at $132 found 5 days ago

Wed, Jun 18 - Sat, Jun 21

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$137 Roundtrip, found 1 day ago

$137

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Wed, Jun 18 from Newark Liberty Intl. Airport to O'Hare Intl., returning Sat, Jun 21, priced at $137 found 1 day ago

Thu, Jun 5 - Tue, Jun 10

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$138 Roundtrip, found 4 days ago

$138

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Thu, Jun 5 from Newark Liberty Intl. Airport to O'Hare Intl., returning Tue, Jun 10, priced at $138 found 4 days ago

Sat, Jun 14 - Tue, Jun 17

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$140 Roundtrip, found 5 days ago

$140

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Sat, Jun 14 from Newark Liberty Intl. Airport to O'Hare Intl., returning Tue, Jun 17, priced at $140 found 5 days ago

Wed, Jun 11 - Wed, Jun 18

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$145 Roundtrip, found 5 days ago

$145

Roundtrip

found 5 days ago

Select United flight, departing Wed, Jun 11 from Newark Liberty Intl. Airport to O'Hare Intl., returning Wed, Jun 18, priced at $145 found 5 days ago

Thu, Jun 5 - Tue, Jun 10

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$148 Roundtrip, found 4 days ago

$148

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Thu, Jun 5 from Newark Liberty Intl. Airport to O'Hare Intl., returning Tue, Jun 10, priced at $148 found 4 days ago

Tue, Aug 12 - Sat, Aug 16

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$159 Roundtrip, found 4 days ago

$159

Roundtrip

found 4 days ago

Select United flight, departing Tue, Aug 12 from Newark Liberty Intl. Airport to O'Hare Intl., returning Sat, Aug 16, priced at $159 found 4 days ago

Tue, Aug 12 - Sat, Aug 16

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$159 Roundtrip, found 4 days ago

$159

Roundtrip

found 4 days ago

Select American Airlines flight, departing Tue, Aug 12 from Newark Liberty Intl. Airport to O'Hare Intl., returning Sat, Aug 16, priced at $159 found 4 days ago

Wed, Aug 13 - Wed, Aug 13

EWR

Newark Liberty Intl. Airport

ORD

O'Hare Intl.

$173 Roundtrip, found 4 days ago

$173

Roundtrip

found 4 days ago

Select Delta flight, departing Wed, Aug 13 from Newark Liberty Intl. Airport to O'Hare Intl., returning Wed, Aug 13, priced at $173 found 4 days ago

Wed, Jun 11 - Wed, Jun 18

EWR

Newark Liberty Intl. Airport

MDW

Midway Intl.

$186 Roundtrip, found 2 days ago

$186

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Jun 11 from Newark Liberty Intl. Airport to Midway Intl., returning Wed, Jun 18, priced at $186 found 2 days ago

Fri, Jun 27 - Tue, Jul 1

TTN

Mercer

ORD

O'Hare Intl.

$220 Roundtrip, found 1 day ago

$220

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Jun 27 from Mercer to O'Hare Intl., returning Tue, Jul 1, priced at $220 found 1 day ago

Sun, Jul 27 - Thu, Jul 31

TTN

Mercer

MDW

Midway Intl.

$230 Roundtrip, found 4 days ago

$230

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sun, Jul 27 from Mercer to Midway Intl., returning Thu, Jul 31, priced at $230 found 4 days ago