Flights from Princeton to Denver

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, Aug 6 - Tue, Aug 19

EWR

Newark Liberty Intl. Airport

DEN

Denver Intl.

$216 Roundtrip, found 4 days ago

$216

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Wed, Aug 6 from Newark Liberty Intl. Airport to Denver Intl., returning Tue, Aug 19, priced at $216 found 4 days ago

Wed, Aug 6 - Tue, Aug 19

EWR

Newark Liberty Intl. Airport

DEN

Denver Intl.

$230 Roundtrip, found 4 days ago

$230

Roundtrip

found 4 days ago

Select Sun Country Airlines flight, departing Wed, Aug 6 from Newark Liberty Intl. Airport to Denver Intl., returning Tue, Aug 19, priced at $230 found 4 days ago

Tue, Sep 16 - Tue, Sep 23

EWR

Newark Liberty Intl. Airport

DEN

Denver Intl.

$244 Roundtrip, found 2 days ago

$244

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Tue, Sep 16 from Newark Liberty Intl. Airport to Denver Intl., returning Tue, Sep 23, priced at $244 found 2 days ago

Thu, Sep 18 - Wed, Sep 24

EWR

Newark Liberty Intl. Airport

DEN

Denver Intl.

$247 Roundtrip, found 1 day ago

$247

Roundtrip

found 1 day ago

Select United flight, departing Thu, Sep 18 from Newark Liberty Intl. Airport to Denver Intl., returning Wed, Sep 24, priced at $247 found 1 day ago

Tue, Aug 5 - Wed, Aug 6

EWR

Newark Liberty Intl. Airport

DEN

Denver Intl.

$250 Roundtrip, found 22 hours ago

$250

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Tue, Aug 5 from Newark Liberty Intl. Airport to Denver Intl., returning Wed, Aug 6, priced at $250 found 22 hours ago

Mon, Jun 2 - Wed, Jun 11

EWR

Newark Liberty Intl. Airport

DEN

Denver Intl.

$251 Roundtrip, found 2 days ago

$251

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Jun 2 from Newark Liberty Intl. Airport to Denver Intl., returning Wed, Jun 11, priced at $251 found 2 days ago

Mon, Jun 2 - Sun, Jun 8

EWR

Newark Liberty Intl. Airport

DEN

Denver Intl.

$252 Roundtrip, found 2 days ago

$252

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Jun 2 from Newark Liberty Intl. Airport to Denver Intl., returning Sun, Jun 8, priced at $252 found 2 days ago

Wed, Aug 6 - Tue, Aug 19

EWR

Newark Liberty Intl. Airport

DEN

Denver Intl.

$257 Roundtrip, found 4 days ago

$257

Roundtrip

found 4 days ago

Select American Airlines flight, departing Wed, Aug 6 from Newark Liberty Intl. Airport to Denver Intl., returning Tue, Aug 19, priced at $257 found 4 days ago

Mon, Aug 4 - Sat, Aug 16

EWR

Newark Liberty Intl. Airport

DEN

Denver Intl.

$257 Roundtrip, found 4 days ago

$257

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Aug 4 from Newark Liberty Intl. Airport to Denver Intl., returning Sat, Aug 16, priced at $257 found 4 days ago

Fri, Aug 1 - Wed, Aug 6

EWR

Newark Liberty Intl. Airport

DEN

Denver Intl.

$260 Roundtrip, found 22 hours ago

$260

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Fri, Aug 1 from Newark Liberty Intl. Airport to Denver Intl., returning Wed, Aug 6, priced at $260 found 22 hours ago

Wed, Jul 23 - Mon, Jul 28

TTN

Mercer

DEN

Denver Intl.

$266 Roundtrip, found 3 days ago

$266

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Wed, Jul 23 from Mercer to Denver Intl., returning Mon, Jul 28, priced at $266 found 3 days ago

Wed, Aug 6 - Tue, Aug 19

EWR

Newark Liberty Intl. Airport

DEN

Denver Intl.

$267 Roundtrip, found 4 days ago

$267

Roundtrip

found 4 days ago

Select Delta flight, departing Wed, Aug 6 from Newark Liberty Intl. Airport to Denver Intl., returning Tue, Aug 19, priced at $267 found 4 days ago

Sat, Aug 2 - Wed, Aug 6

EWR

Newark Liberty Intl. Airport

DEN

Denver Intl.

$270 Roundtrip, found 22 hours ago

$270

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Sat, Aug 2 from Newark Liberty Intl. Airport to Denver Intl., returning Wed, Aug 6, priced at $270 found 22 hours ago

Wed, Aug 6 - Tue, Aug 19

EWR

Newark Liberty Intl. Airport

DEN

Denver Intl.

$272 Roundtrip, found 4 days ago

$272

Roundtrip

found 4 days ago

Select United flight, departing Wed, Aug 6 from Newark Liberty Intl. Airport to Denver Intl., returning Tue, Aug 19, priced at $272 found 4 days ago

Sat, Aug 2 - Thu, Aug 7

EWR

Newark Liberty Intl. Airport

DEN

Denver Intl.

$280 Roundtrip, found 22 hours ago

$280

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Sat, Aug 2 from Newark Liberty Intl. Airport to Denver Intl., returning Thu, Aug 7, priced at $280 found 22 hours ago

Wed, Aug 6 - Tue, Aug 19

EWR

Newark Liberty Intl. Airport

DEN

Denver Intl.

$282 Roundtrip, found 4 days ago

$282

Roundtrip

found 4 days ago

Select American Airlines flight, departing Wed, Aug 6 from Newark Liberty Intl. Airport to Denver Intl., returning Tue, Aug 19, priced at $282 found 4 days ago

Wed, Aug 6 - Tue, Aug 19

EWR

Newark Liberty Intl. Airport

DEN

Denver Intl.

$282 Roundtrip, found 4 days ago

$282

Roundtrip

found 4 days ago

Select United flight, departing Wed, Aug 6 from Newark Liberty Intl. Airport to Denver Intl., returning Tue, Aug 19, priced at $282 found 4 days ago

Tue, Aug 5 - Sun, Aug 17

EWR

Newark Liberty Intl. Airport

DEN

Denver Intl.

$287 Roundtrip, found 4 days ago

$287

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Tue, Aug 5 from Newark Liberty Intl. Airport to Denver Intl., returning Sun, Aug 17, priced at $287 found 4 days ago

Wed, Jun 4 - Fri, Jun 6

EWR

Newark Liberty Intl. Airport

DEN

Denver Intl.

$439 Roundtrip, found 2 days ago

$439

Roundtrip

found 2 days ago

Select Hawaiian Airlines flight, departing Wed, Jun 4 from Newark Liberty Intl. Airport to Denver Intl., returning Fri, Jun 6, priced at $439 found 2 days ago

Tue, Jun 3 - Fri, Jun 6

EWR

Newark Liberty Intl. Airport

DEN

Denver Intl.

$489 Roundtrip, found 2 days ago

$489

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Tue, Jun 3 from Newark Liberty Intl. Airport to Denver Intl., returning Fri, Jun 6, priced at $489 found 2 days ago