Flights from San Francisco to Port Jefferson

Cheapest flights from San Francisco

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 23 - Wed, Sep 24

SFO

San Francisco Intl.

JFK

John F. Kennedy Intl.

$237 Roundtrip, found 4 days ago

$237

Roundtrip

found 4 days ago

Select Alaska Airlines flight, departing Tue, Sep 23 from San Francisco Intl. to John F. Kennedy Intl., returning Wed, Sep 24, priced at $237 found 4 days ago

Thu, Aug 21 - Tue, Aug 26

OAK

Oakland Intl.

EWR

Newark Liberty Intl. Airport

$237 Roundtrip, found 2 days ago

$237

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Thu, Aug 21 from Oakland Intl. to Newark Liberty Intl. Airport, returning Tue, Aug 26, priced at $237 found 2 days ago

Tue, Sep 23 - Sat, Sep 27

SFO

San Francisco Intl.

JFK

John F. Kennedy Intl.

$247 Roundtrip, found 4 days ago

$247

Roundtrip

found 4 days ago

Select Alaska Airlines flight, departing Tue, Sep 23 from San Francisco Intl. to John F. Kennedy Intl., returning Sat, Sep 27, priced at $247 found 4 days ago

Tue, Oct 21 - Wed, Oct 29

SFO

San Francisco Intl.

EWR

Newark Liberty Intl. Airport

$257 Roundtrip, found 3 days ago

$257

Roundtrip

found 3 days ago

Select Hawaiian Airlines flight, departing Tue, Oct 21 from San Francisco Intl. to Newark Liberty Intl. Airport, returning Wed, Oct 29, priced at $257 found 3 days ago

Sat, Sep 20 - Tue, Sep 23

SFO

San Francisco Intl.

JFK

John F. Kennedy Intl.

$257 Roundtrip, found 4 days ago

$257

Roundtrip

found 4 days ago

Select JetBlue Airways flight, departing Sat, Sep 20 from San Francisco Intl. to John F. Kennedy Intl., returning Tue, Sep 23, priced at $257 found 4 days ago

Tue, Nov 4 - Tue, Nov 11

SFO

San Francisco Intl.

EWR

Newark Liberty Intl. Airport

$257 Roundtrip, found 3 days ago

$257

Roundtrip

found 3 days ago

Select United flight, departing Tue, Nov 4 from San Francisco Intl. to Newark Liberty Intl. Airport, returning Tue, Nov 11, priced at $257 found 3 days ago

Tue, Aug 12 - Tue, Aug 19

SFO

San Francisco Intl.

JFK

John F. Kennedy Intl.

$263 Roundtrip, found 3 days ago

$263

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Tue, Aug 12 from San Francisco Intl. to John F. Kennedy Intl., returning Tue, Aug 19, priced at $263 found 3 days ago

Tue, Oct 21 - Tue, Oct 28

SFO

San Francisco Intl.

EWR

Newark Liberty Intl. Airport

$267 Roundtrip, found 3 days ago

$267

Roundtrip

found 3 days ago

Select Hawaiian Airlines flight, departing Tue, Oct 21 from San Francisco Intl. to Newark Liberty Intl. Airport, returning Tue, Oct 28, priced at $267 found 3 days ago

Mon, Sep 22 - Wed, Sep 24

SFO

San Francisco Intl.

JFK

John F. Kennedy Intl.

$267 Roundtrip, found 4 days ago

$267

Roundtrip

found 4 days ago

Select Hawaiian Airlines flight, departing Mon, Sep 22 from San Francisco Intl. to John F. Kennedy Intl., returning Wed, Sep 24, priced at $267 found 4 days ago

Wed, Aug 20 - Sun, Aug 31

SFO

San Francisco Intl.

LGA

LaGuardia

$268 Roundtrip, found 2 days ago

$268

Roundtrip

found 2 days ago

Select Delta flight, departing Wed, Aug 20 from San Francisco Intl. to LaGuardia, returning Sun, Aug 31, priced at $268 found 2 days ago

Mon, Aug 25 - Sun, Aug 31

SFO

San Francisco Intl.

EWR

Newark Liberty Intl. Airport

$268 Roundtrip, found 2 days ago

$268

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Mon, Aug 25 from San Francisco Intl. to Newark Liberty Intl. Airport, returning Sun, Aug 31, priced at $268 found 2 days ago

Tue, Aug 12 - Tue, Aug 19

SFO

San Francisco Intl.

JFK

John F. Kennedy Intl.

$268 Roundtrip, found 3 days ago

$268

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Tue, Aug 12 from San Francisco Intl. to John F. Kennedy Intl., returning Tue, Aug 19, priced at $268 found 3 days ago

Wed, Aug 20 - Tue, Aug 26

OAK

Oakland Intl.

EWR

Newark Liberty Intl. Airport

$275 Roundtrip, found 2 days ago

$275

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Wed, Aug 20 from Oakland Intl. to Newark Liberty Intl. Airport, returning Tue, Aug 26, priced at $275 found 2 days ago

Mon, Sep 22 - Sat, Sep 27

SFO

San Francisco Intl.

JFK

John F. Kennedy Intl.

$277 Roundtrip, found 4 days ago

$277

Roundtrip

found 4 days ago

Select Hawaiian Airlines flight, departing Mon, Sep 22 from San Francisco Intl. to John F. Kennedy Intl., returning Sat, Sep 27, priced at $277 found 4 days ago

Fri, Sep 19 - Tue, Sep 23

SFO

San Francisco Intl.

JFK

John F. Kennedy Intl.

$277 Roundtrip, found 4 days ago

$277

Roundtrip

found 4 days ago

Select JetBlue Airways flight, departing Fri, Sep 19 from San Francisco Intl. to John F. Kennedy Intl., returning Tue, Sep 23, priced at $277 found 4 days ago

Tue, Nov 4 - Tue, Nov 11

SFO

San Francisco Intl.

EWR

Newark Liberty Intl. Airport

$297 Roundtrip, found 3 days ago

$297

Roundtrip

found 3 days ago

Select American Airlines flight, departing Tue, Nov 4 from San Francisco Intl. to Newark Liberty Intl. Airport, returning Tue, Nov 11, priced at $297 found 3 days ago

Mon, Aug 25 - Sun, Aug 31

OAK

Oakland Intl.

LGA

LaGuardia

$307 Roundtrip, found 2 days ago

$307

Roundtrip

found 2 days ago

Select Delta flight, departing Mon, Aug 25 from Oakland Intl. to LaGuardia, returning Sun, Aug 31, priced at $307 found 2 days ago

Mon, Aug 11 - Mon, Aug 18

SJC

Norman Y. Mineta San Jose Intl.

JFK

John F. Kennedy Intl.

$308 Roundtrip, found 4 days ago

$308

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Aug 11 from Norman Y. Mineta San Jose Intl. to John F. Kennedy Intl., returning Mon, Aug 18, priced at $308 found 4 days ago

Sat, Aug 23 - Sun, Aug 31

OAK

Oakland Intl.

JFK

John F. Kennedy Intl.

$565 Roundtrip, found 2 days ago

$565

Roundtrip

found 2 days ago

Select Delta flight, departing Sat, Aug 23 from Oakland Intl. to John F. Kennedy Intl., returning Sun, Aug 31, priced at $565 found 2 days ago

Fri, Aug 22 - Mon, Aug 25

SFO

San Francisco Intl.

EWR

Newark Liberty Intl. Airport

$633 Roundtrip, found 2 days ago

$633

Roundtrip

found 2 days ago

Select Sun Country Airlines flight, departing Fri, Aug 22 from San Francisco Intl. to Newark Liberty Intl. Airport, returning Mon, Aug 25, priced at $633 found 2 days ago