Flights from Denver to Port Jefferson

Cheapest flights from Denver

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.

Sat, Sep 27 - Wed, Oct 1

COS

Colorado Springs

LGA

LaGuardia

$185 Roundtrip, just found

$185

Roundtrip

just found

Select American Airlines flight, departing Sat, Sep 27 from Colorado Springs to LaGuardia, returning Wed, Oct 1, priced at $185 just found

Tue, Sep 23 - Wed, Oct 1

DEN

Denver Intl.

LGA

LaGuardia

$197 Roundtrip, found 4 days ago

$197

Roundtrip

found 4 days ago

Select Delta flight, departing Tue, Sep 23 from Denver Intl. to LaGuardia, returning Wed, Oct 1, priced at $197 found 4 days ago

Tue, Sep 23 - Sun, Oct 5

DEN

Denver Intl.

LGA

LaGuardia

$217 Roundtrip, found 4 days ago

$217

Roundtrip

found 4 days ago

Select Delta flight, departing Tue, Sep 23 from Denver Intl. to LaGuardia, returning Sun, Oct 5, priced at $217 found 4 days ago

Fri, Sep 26 - Sun, Sep 28

DEN

Denver Intl.

LGA

LaGuardia

$224 Roundtrip, found 5 days ago

$224

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Fri, Sep 26 from Denver Intl. to LaGuardia, returning Sun, Sep 28, priced at $224 found 5 days ago

Sat, Sep 27 - Wed, Oct 1

COS

Colorado Springs

LGA

LaGuardia

$231 Roundtrip, just found

$231

Roundtrip

just found

Select United flight, departing Sat, Sep 27 from Colorado Springs to LaGuardia, returning Wed, Oct 1, priced at $231 just found

Sat, Sep 27 - Wed, Oct 1

COS

Colorado Springs

LGA

LaGuardia

$236 Roundtrip, just found

$236

Roundtrip

just found

Select Delta flight, departing Sat, Sep 27 from Colorado Springs to LaGuardia, returning Wed, Oct 1, priced at $236 just found

Fri, Sep 19 - Sun, Oct 5

DEN

Denver Intl.

LGA

LaGuardia

$237 Roundtrip, found 4 days ago

$237

Roundtrip

found 4 days ago

Select Delta flight, departing Fri, Sep 19 from Denver Intl. to LaGuardia, returning Sun, Oct 5, priced at $237 found 4 days ago

Thu, Aug 14 - Sat, Aug 23

DEN

Denver Intl.

LGA

LaGuardia

$242 Roundtrip, found 4 days ago

$242

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Aug 14 from Denver Intl. to LaGuardia, returning Sat, Aug 23, priced at $242 found 4 days ago

Tue, Aug 19 - Tue, Aug 26

DEN

Denver Intl.

EWR

Newark Liberty Intl. Airport

$247 Roundtrip, found 6 days ago

$247

Roundtrip

found 6 days ago

Select Delta flight, departing Tue, Aug 19 from Denver Intl. to Newark Liberty Intl. Airport, returning Tue, Aug 26, priced at $247 found 6 days ago

Sat, Sep 27 - Wed, Oct 1

COS

Colorado Springs

LGA

LaGuardia

$248 Roundtrip, just found

$248

Roundtrip

just found

Select American Airlines flight, departing Sat, Sep 27 from Colorado Springs to LaGuardia, returning Wed, Oct 1, priced at $248 just found

Wed, Aug 6 - Tue, Aug 12

DEN

Denver Intl.

EWR

Newark Liberty Intl. Airport

$248 Roundtrip, found 2 days ago

$248

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Aug 6 from Denver Intl. to Newark Liberty Intl. Airport, returning Tue, Aug 12, priced at $248 found 2 days ago

Mon, Oct 27 - Tue, Oct 28

DEN

Denver Intl.

EWR

Newark Liberty Intl. Airport

$253 Roundtrip, found 1 day ago

$253

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Oct 27 from Denver Intl. to Newark Liberty Intl. Airport, returning Tue, Oct 28, priced at $253 found 1 day ago

Thu, Sep 18 - Sun, Oct 5

DEN

Denver Intl.

LGA

LaGuardia

$257 Roundtrip, found 4 days ago

$257

Roundtrip

found 4 days ago

Select Delta flight, departing Thu, Sep 18 from Denver Intl. to LaGuardia, returning Sun, Oct 5, priced at $257 found 4 days ago

Fri, Sep 26 - Sun, Sep 28

DEN

Denver Intl.

LGA

LaGuardia

$261 Roundtrip, found 5 days ago

$261

Roundtrip

found 5 days ago

Select American Airlines flight, departing Fri, Sep 26 from Denver Intl. to LaGuardia, returning Sun, Sep 28, priced at $261 found 5 days ago

Fri, Sep 5 - Mon, Sep 8

DEN

Denver Intl.

JFK

John F. Kennedy Intl.

$262 Roundtrip, found 3 days ago

$262

Roundtrip

found 3 days ago

Select American Airlines flight, departing Fri, Sep 5 from Denver Intl. to John F. Kennedy Intl., returning Mon, Sep 8, priced at $262 found 3 days ago

Mon, Oct 27 - Thu, Jan 29

DEN

Denver Intl.

EWR

Newark Liberty Intl. Airport

$262 Roundtrip, found 1 day ago

$262

Roundtrip

found 1 day ago

Select United flight, departing Mon, Oct 27 from Denver Intl. to Newark Liberty Intl. Airport, returning Thu, Jan 29, priced at $262 found 1 day ago

Sat, Sep 20 - Thu, Oct 2

DEN

Denver Intl.

LGA

LaGuardia

$266 Roundtrip, found 4 days ago

$266

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sat, Sep 20 from Denver Intl. to LaGuardia, returning Thu, Oct 2, priced at $266 found 4 days ago

Tue, Aug 19 - Tue, Aug 26

COS

Colorado Springs

EWR

Newark Liberty Intl. Airport

$267 Roundtrip, found 6 days ago

$267

Roundtrip

found 6 days ago

Select Delta flight, departing Tue, Aug 19 from Colorado Springs to Newark Liberty Intl. Airport, returning Tue, Aug 26, priced at $267 found 6 days ago

Thu, Sep 18 - Thu, Oct 2

DEN

Denver Intl.

LGA

LaGuardia

$268 Roundtrip, found 4 days ago

$268

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Sep 18 from Denver Intl. to LaGuardia, returning Thu, Oct 2, priced at $268 found 4 days ago

Fri, Sep 5 - Mon, Sep 8

DEN

Denver Intl.

JFK

John F. Kennedy Intl.

$292 Roundtrip, found 3 days ago

$292

Roundtrip

found 3 days ago

Select JetBlue Airways flight, departing Fri, Sep 5 from Denver Intl. to John F. Kennedy Intl., returning Mon, Sep 8, priced at $292 found 3 days ago