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Cheap flights from San Francisco to New York from $251

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to New York departing on 12/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
11:42 pm - 11:33 am
SFO
-
ISP
8h 51m1 stop
JetBlue Logo
12:25 pm - 11:29 pm
ISP
-
SFO
14h 04m1 stop
$368JetBlue
Wed, Jan 7 - Tue, Jan 13
Southwest Logo
7:00 pm - 10:20 am
SFO
-
ISP
12h 20m2 stops
Southwest Logo
6:00 am - 1:15 pm
ISP
-
SFO
10h 15m1 stop
$383Southwest
Fri, Jan 2 - Tue, Jan 6
JetBlue Logo
11:42 pm - 11:33 am
SFO
-
ISP
8h 51m1 stop
JetBlue Logo
12:25 pm - 11:29 pm
ISP
-
SFO
14h 04m1 stop
$393JetBlue
Wed, Jan 7 - Wed, Jan 14
JetBlue Logo
11:42 pm - 11:33 am
SFO
-
ISP
8h 51m1 stop
JetBlue Logo
12:25 pm - 11:29 pm
ISP
-
SFO
14h 04m1 stop
$414JetBlue
Thu, Jan 8 - Tue, Jan 13
Southwest Logo
7:40 am - 10:05 pm
SFO
-
ISP
11h 25m2 stops
Southwest Logo
6:00 am - 1:25 pm
ISP
-
SFO
10h 25m1 stop
$453Southwest
Wed, Dec 17 - Thu, Jan 8
Southwest Logo
9:25 pm - 11:45 am
SFO
-
ISP
11h 20m1 stop
Southwest Logo
6:00 am - 1:15 pm
ISP
-
SFO
10h 15m1 stop
$460Southwest
Fri, Jan 2 - Tue, Jan 6
Southwest Logo
10:15 am - 11:30 pm
SFO
-
ISP
10h 15m2 stops
Southwest Logo
5:25 pm - 11:15 pm
ISP
-
SFO
8h 50m1 stop
$472Southwest
Thu, Apr 16 - Sun, Apr 19
Southwest Logo
7:30 am - 11:30 pm
SFO
-
ISP
13h 00m2 stops
Southwest Logo
6:05 am - 4:00 pm
ISP
-
SFO
12h 55m2 stops
$477Southwest
Thu, Apr 16 - Sun, Apr 19
JetBlue Logo
10:40 pm - 10:55 am
SFO
-
ISP
9h 15m1 stop
JetBlue Logo
1:15 pm - 11:33 pm
ISP
-
SFO
13h 18m1 stop
$479JetBlue
Tue, Mar 31 - Tue, Apr 7
Southwest Logo
7:00 pm - 10:20 am
SFO
-
ISP
12h 20m2 stops
Southwest Logo
12:40 pm - 9:20 pm
ISP
-
SFO
11h 40m2 stops
$487Southwest
Fri, Jan 2 - Tue, Jan 6

JetBlue flights from San Francisco to Islip, New York

Our best JetBlue deals on San Francisco to Islip, New York flight tickets
JetBlue
Jan 7
SFO11:42 pmSan Francisco
8h 51m
1 stop
ISP11:33 amIslip Long Island
Jan 13
ISP12:25 pmIslip Long Island
14h 04m
1 stop
SFO11:29 pmSan Francisco
$368
Find similar
JetBlue
Jan 7
SFO11:42 pmSan Francisco
8h 51m
1 stop
ISP11:33 amIslip Long Island
Jan 14
ISP12:25 pmIslip Long Island
14h 04m
1 stop
SFO11:29 pmSan Francisco
$393
Find similar
JetBlue
Jan 8
SFO11:42 pmSan Francisco
8h 51m
1 stop
ISP11:33 amIslip Long Island
Jan 13
ISP12:25 pmIslip Long Island
14h 04m
1 stop
SFO11:29 pmSan Francisco
$414
Find similar

Breeze Airways flights from San Francisco to Islip, New York

Our best Breeze Airways deals on San Francisco to Islip, New York flight tickets
Breeze Airways
Dec 13
SFO12:39 pmSan Francisco
22h 00m
1 stop
ISP1:39 pmIslip Long Island
Dec 23
ISP2:19 pmIslip Long Island
24h 35m
1 stop
SFO11:54 amSan Francisco
$684
Find similar
Breeze Airways
Dec 17
SFO12:39 pmSan Francisco
22h 00m
1 stop
ISP1:39 pmIslip Long Island
Dec 23
ISP2:19 pmIslip Long Island
24h 35m
1 stop
SFO11:54 amSan Francisco
$762
Find similar
Breeze Airways
Dec 16
SFO12:50 pmSan Francisco
27h 51m
2 stops
ISP7:41 pmIslip Long Island
Dec 21
ISP10:38 amIslip Long Island
28h 24m
3 stops
SFO12:02 pmSan Francisco
$947
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Islip, New York that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 4, 2025.
Use the filters below to find and compare flights from San Francisco to Islip, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Wed 1/7

11:42 pm-11:33 am

1 stop8h 51m

Islip Long Island

Tue 1/13

12:25 pm-11:29 pm

1 stop14h 04m

$368

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Fri 1/2

7:00 pm-10:20 am

2 stops12h 20m

Islip Long Island

Tue 1/6

6:00 am-1:15 pm

1 stop10h 15m

$383

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Wed 1/7

11:42 pm-11:33 am

1 stop8h 51m

Islip Long Island

Wed 1/14

12:25 pm-11:29 pm

1 stop14h 04m

$393

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Thu 1/8

11:42 pm-11:33 am

1 stop8h 51m

Islip Long Island

Tue 1/13

12:25 pm-11:29 pm

1 stop14h 04m

$414

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Wed 12/17

7:40 am-10:05 pm

2 stops11h 25m

Islip Long Island

Thu 1/8

6:00 am-1:25 pm

1 stop10h 25m

$453

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Fri 1/2

9:25 pm-11:45 am

1 stop11h 20m

Islip Long Island

Tue 1/6

6:00 am-1:15 pm

1 stop10h 15m

$460

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Thu 4/16

10:15 am-11:30 pm

2 stops10h 15m

Islip Long Island

Sun 4/19

5:25 pm-11:15 pm

1 stop8h 50m

$472

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Thu 4/16

7:30 am-11:30 pm

2 stops13h 00m

Islip Long Island

Sun 4/19

6:05 am-4:00 pm

2 stops12h 55m

$477

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Tue 3/31

10:40 pm-10:55 am

1 stop9h 15m

Islip Long Island

Tue 4/7

1:15 pm-11:33 pm

1 stop13h 18m

$479

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Fri 1/2

7:00 pm-10:20 am

2 stops12h 20m

Islip Long Island

Tue 1/6

12:40 pm-9:20 pm

2 stops11h 40m

$487

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to New York from

How to get the cheapest flight ticket from San Francisco to Islip, New York

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Islip, New York?

The cheapest day to depart from San Francisco to Islip, New York is on a Thursday. Travelers who choose to depart for Islip, New York on a Thursday will often find tickets for as low as $276. The most expensive day to fly to Islip, New York is Wednesday, with ticket prices averaging around $398.

What is the cheapest time of day to depart on your flight to Islip, New York?

Flying to Islip, New York from San Francisco at noon is the least expensive time of day to depart. momondo users have found prices as low as $321 when looking at flights departing at noon. Flights to Islip, New York are more costly in the evening, with an average ticket price of $488. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on San Francisco to Islip, New York flights?

You could potentially save up to 24% on your flight if you consider stops on a San Francisco to Islip, New York flight.

When to book flights from San Francisco to Islip, New York

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Islip, New York according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to Islip, New York (SFO to ISP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Islip, New York

Fastest flight time

8h 51m

Direct flights

None
The fastest flight from San Francisco to Islip, New York takes 8h 51m
There are no direct flights from San Francisco to Islip, New York. There are no popular flight routes from San Francisco to Islip, New York.
Search flight deals

  • How far is San Francisco to Islip Long Island by plane?

    The distance between San Francisco and Islip Long Island is about 2603.7 mi. 8h 51m is a normal flight duration for this route.

  • When did momondo last update prices for flights from San Francisco Airport to Islip Long Island Airport?

    Prices for flights from San Francisco Airport to Islip Long Island Airport are refreshed on a daily basis.

  • How old do you have to be to fly from San Francisco Airport to Islip Long Island Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Islip Long Island Airport.

  • What documentation or ID do you need to fly to Islip Long Island Airport?

    The travel and health documents required for your trip to Islip Long Island Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Islip Long Island Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near New York?

Book flights to New York if you plan to visit one of these locations
Montauk
Riverhead
Sag Harbor
Southampton
Amagansett

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Islip?

It is quick and easy to find San Francisco to Islip flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Islip that suits you.

Can I find flights from San Francisco to Islip with flexible booking policies on momondo?

momondo does allow users to show only those flights to Islip from San Francisco which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from San Francisco to Islip?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Islip from San Francisco.

I’m not ready to book a flight from San Francisco to Islip right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Islip from San Francisco. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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