Flights from Newark to Niwot

Cheapest flights from Newark

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.

$177 Roundtrip, found 1 day ago

$177

Roundtrip

found 1 day ago

Select United flight, departing Wed, Aug 6 from Newark Liberty Intl. Airport to Denver Intl., returning Tue, Aug 19, priced at $177 found 1 day ago

Tue, Aug 12 - Tue, Aug 19

JFK

John F. Kennedy Intl.

DEN

Denver Intl.

$177 Roundtrip, found 1 day ago

$177

Roundtrip

found 1 day ago

Select JetBlue Airways flight, departing Tue, Aug 12 from John F. Kennedy Intl. to Denver Intl., returning Tue, Aug 19, priced at $177 found 1 day ago

Wed, Aug 20 - Sat, Aug 30

LGA

LaGuardia

DEN

Denver Intl.

$178 Roundtrip, found 6 days ago

$178

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Wed, Aug 20 from LaGuardia to Denver Intl., returning Sat, Aug 30, priced at $178 found 6 days ago

Tue, Aug 12 - Sat, Aug 16

JFK

John F. Kennedy Intl.

DEN

Denver Intl.

$179 Roundtrip, found 1 day ago

$179

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Aug 12 from John F. Kennedy Intl. to Denver Intl., returning Sat, Aug 16, priced at $179 found 1 day ago

Wed, Aug 20 - Fri, Aug 29

LGA

LaGuardia

DEN

Denver Intl.

$198 Roundtrip, found 6 days ago

$198

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Wed, Aug 20 from LaGuardia to Denver Intl., returning Fri, Aug 29, priced at $198 found 6 days ago

Wed, Aug 13 - Mon, Aug 18

JFK

John F. Kennedy Intl.

DEN

Denver Intl.

$199 Roundtrip, found 1 day ago

$199

Roundtrip

found 1 day ago

Select Delta flight, departing Wed, Aug 13 from John F. Kennedy Intl. to Denver Intl., returning Mon, Aug 18, priced at $199 found 1 day ago

Sat, Aug 16 - Thu, Aug 21

JFK

John F. Kennedy Intl.

DEN

Denver Intl.

$201 Roundtrip, found 1 day ago

$201

Roundtrip

found 1 day ago

Select JetBlue Airways flight, departing Sat, Aug 16 from John F. Kennedy Intl. to Denver Intl., returning Thu, Aug 21, priced at $201 found 1 day ago

Sat, Jun 14 - Tue, Jun 17

LGA

LaGuardia

DEN

Denver Intl.

$203 Roundtrip, found 2 days ago

$203

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sat, Jun 14 from LaGuardia to Denver Intl., returning Tue, Jun 17, priced at $203 found 2 days ago

Wed, Aug 20 - Tue, Sep 2

LGA

LaGuardia

DEN

Denver Intl.

$204 Roundtrip, found 6 days ago

$204

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Wed, Aug 20 from LaGuardia to Denver Intl., returning Tue, Sep 2, priced at $204 found 6 days ago

Tue, Aug 12 - Wed, Aug 20

LGA

LaGuardia

DEN

Denver Intl.

$207 Roundtrip, found 5 hours ago

$207

Roundtrip

found 5 hours ago

Select Delta flight, departing Tue, Aug 12 from LaGuardia to Denver Intl., returning Wed, Aug 20, priced at $207 found 5 hours ago

Wed, Aug 13 - Mon, Aug 18

LGA

LaGuardia

DEN

Denver Intl.

$211 Roundtrip, found 1 day ago

$211

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Aug 13 from LaGuardia to Denver Intl., returning Mon, Aug 18, priced at $211 found 1 day ago

Sat, Sep 6 - Mon, Sep 15

EWR

Newark Liberty Intl. Airport

DEN

Denver Intl.

$213 Roundtrip, found 1 day ago

$213

Roundtrip

found 1 day ago

Select United flight, departing Sat, Sep 6 from Newark Liberty Intl. Airport to Denver Intl., returning Mon, Sep 15, priced at $213 found 1 day ago

Tue, Jul 1 - Sat, Aug 16

EWR

Newark Liberty Intl. Airport

DEN

Denver Intl.

$214 Roundtrip, found 2 days ago

$214

Roundtrip

found 2 days ago

Select United flight, departing Tue, Jul 1 from Newark Liberty Intl. Airport to Denver Intl., returning Sat, Aug 16, priced at $214 found 2 days ago

Wed, Aug 13 - Sat, Aug 23

LGA

LaGuardia

DEN

Denver Intl.

$216 Roundtrip, found 1 day ago

$216

Roundtrip

found 1 day ago

Select United flight, departing Wed, Aug 13 from LaGuardia to Denver Intl., returning Sat, Aug 23, priced at $216 found 1 day ago

Wed, Aug 13 - Sat, Aug 23

LGA

LaGuardia

DEN

Denver Intl.

$217 Roundtrip, found 1 day ago

$217

Roundtrip

found 1 day ago

Select United flight, departing Wed, Aug 13 from LaGuardia to Denver Intl., returning Sat, Aug 23, priced at $217 found 1 day ago

Thu, Aug 14 - Wed, Aug 20

JFK

John F. Kennedy Intl.

DEN

Denver Intl.

$219 Roundtrip, found 5 hours ago

$219

Roundtrip

found 5 hours ago

Select American Airlines flight, departing Thu, Aug 14 from John F. Kennedy Intl. to Denver Intl., returning Wed, Aug 20, priced at $219 found 5 hours ago

Wed, Aug 13 - Sat, Aug 23

LGA

LaGuardia

DEN

Denver Intl.

$221 Roundtrip, found 1 day ago

$221

Roundtrip

found 1 day ago

Select American Airlines flight, departing Wed, Aug 13 from LaGuardia to Denver Intl., returning Sat, Aug 23, priced at $221 found 1 day ago

Sat, Sep 6 - Mon, Sep 15

EWR

Newark Liberty Intl. Airport

DEN

Denver Intl.

$221 Roundtrip, found 1 day ago

$221

Roundtrip

found 1 day ago

Select United flight, departing Sat, Sep 6 from Newark Liberty Intl. Airport to Denver Intl., returning Mon, Sep 15, priced at $221 found 1 day ago

Sat, Sep 6 - Mon, Sep 15

LGA

LaGuardia

DEN

Denver Intl.

$223 Roundtrip, found 1 day ago

$223

Roundtrip

found 1 day ago

Select American Airlines flight, departing Sat, Sep 6 from LaGuardia to Denver Intl., returning Mon, Sep 15, priced at $223 found 1 day ago

Tue, Jun 10 - Fri, Jun 13

EWR

Newark Liberty Intl. Airport

DEN

Denver Intl.

$598 Roundtrip, found 1 day ago

$598

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Tue, Jun 10 from Newark Liberty Intl. Airport to Denver Intl., returning Fri, Jun 13, priced at $598 found 1 day ago