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Cheap flights from San Francisco to New York from $312

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 1/10. 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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Find the cheapest flights from San Francisco to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
8:50 am - 11:30 pm
SFO
-
ISP
11h 40m2 stops
Southwest Logo
4:30 pm - 11:15 pm
ISP
-
SFO
9h 45m1 stop
$452Southwest
Thu, Apr 30 - Mon, May 4
Southwest Logo
11:25 pm - 11:50 am
SFO
-
ISP
9h 25m2 stops
Southwest Logo
6:00 am - 3:25 pm
ISP
-
SFO
12h 25m2 stops
$457Southwest
Thu, Apr 30 - Mon, May 4
Southwest Logo
7:00 pm - 11:55 am
SFO
-
ISP
13h 55m2 stops
Southwest Logo
5:40 am - 1:20 pm
ISP
-
SFO
10h 40m1 stop
$605Southwest
Mon, Dec 29 - Thu, Jan 1
Southwest Logo
6:30 am - 11:55 pm
SFO
-
ISP
14h 25m2 stops
Southwest Logo
5:40 am - 2:40 pm
ISP
-
SFO
12h 00m2 stops
$643Southwest
Mon, Dec 29 - Thu, Jan 1
Southwest Logo
9:25 pm - 11:55 am
SFO
-
ISP
11h 30m1 stop
Southwest Logo
5:40 am - 1:20 pm
ISP
-
SFO
10h 40m1 stop
$659Southwest
Mon, Dec 29 - Thu, Jan 1
Breeze Airways Logo
12:47 pm - 9:58 am
SFO
-
ISP
18h 11m3 stops
Breeze Airways Logo
10:38 am - 12:02 pm
ISP
-
SFO
28h 24m3 stops
$1,062Breeze Airways
Mon, Dec 29 - Thu, Jan 1
JetBlue Logo
11:59 pm - 6:45 pm
SFO
-
ISP
15h 46m1 stop
JetBlue Logo
7:40 pm - 9:29 am
ISP
-
SFO
16h 49m1 stop
$1,115JetBlue
Sun, Dec 28 - Thu, Jan 1
Breeze Airways Logo
12:50 pm - 8:07 pm
SFO
-
ISP
28h 17m2 stops
Breeze Airways Logo
10:38 am - 12:02 pm
ISP
-
SFO
28h 24m3 stops
$1,252Breeze Airways
Sun, Dec 28 - Thu, Jan 1
Multiple Airlines Logo
11:59 pm - 6:45 pm
SFO
-
ISP
15h 46m1 stop
Multiple Airlines Logo
12:30 pm - 11:59 pm
ISP
-
SFO
14h 29m2 stops
$1,267Multiple Airlines
Sun, Dec 28 - Thu, Jan 1
Breeze Airways Logo
12:47 pm - 5:14 pm
SFO
-
ISP
49h 27m2 stops
Breeze Airways Logo
10:38 am - 12:02 pm
ISP
-
SFO
28h 24m3 stops
$1,276Breeze Airways
Mon, Dec 29 - Thu, Jan 1

Southwest flights from San Francisco to Islip, New York

Our best Southwest deals on San Francisco to Islip, New York flight tickets
Southwest
Apr 30
SFO8:50 amSan Francisco
11h 40m
2 stops
ISP11:30 pmIslip Long Island
May 4
ISP4:30 pmIslip Long Island
9h 45m
1 stop
SFO11:15 pmSan Francisco
$452
Find similar
Southwest
Apr 30
SFO11:25 pmSan Francisco
9h 25m
2 stops
ISP11:50 amIslip Long Island
May 4
ISP6:00 amIslip Long Island
12h 25m
2 stops
SFO3:25 pmSan Francisco
$457
Find similar
Southwest
Dec 29
SFO7:00 pmSan Francisco
13h 55m
2 stops
ISP11:55 amIslip Long Island
Jan 1
ISP5:40 amIslip Long Island
10h 40m
1 stop
SFO1:20 pmSan Francisco
$605
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 29
SFO12:47 pmSan Francisco
18h 11m
3 stops
ISP9:58 amIslip Long Island
Jan 1
ISP10:38 amIslip Long Island
28h 24m
3 stops
SFO12:02 pmSan Francisco
$1,062
Find similar
Breeze Airways
Dec 28
SFO12:50 pmSan Francisco
28h 17m
2 stops
ISP8:07 pmIslip Long Island
Jan 1
ISP10:38 amIslip Long Island
28h 24m
3 stops
SFO12:02 pmSan Francisco
$1,252
Find similar
Breeze Airways
Dec 29
SFO12:47 pmSan Francisco
49h 27m
2 stops
ISP5:14 pmIslip Long Island
Jan 1
ISP10:38 amIslip Long Island
28h 24m
3 stops
SFO12:02 pmSan Francisco
$1,276
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 14, 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

Thu 4/30

8:50 am-11:30 pm

2 stops11h 40m

Islip Long Island

Mon 5/4

4:30 pm-11:15 pm

1 stop9h 45m

$452

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Thu 4/30

11:25 pm-11:50 am

2 stops9h 25m

Islip Long Island

Mon 5/4

6:00 am-3:25 pm

2 stops12h 25m

$457

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Mon 12/29

7:00 pm-11:55 am

2 stops13h 55m

Islip Long Island

Thu 1/1

5:40 am-1:20 pm

1 stop10h 40m

$605

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Mon 12/29

6:30 am-11:55 pm

2 stops14h 25m

Islip Long Island

Thu 1/1

5:40 am-2:40 pm

2 stops12h 00m

$643

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Mon 12/29

9:25 pm-11:55 am

1 stop11h 30m

Islip Long Island

Thu 1/1

5:40 am-1:20 pm

1 stop10h 40m

$659

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Mon 12/29

12:47 pm-9:58 am

3 stops18h 11m

Islip Long Island

Thu 1/1

10:38 am-12:02 pm

3 stops28h 24m

$1,062

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Sun 12/28

11:59 pm-6:45 pm

1 stop15h 46m

Islip Long Island

Thu 1/1

7:40 pm-9:29 am

1 stop16h 49m

$1,115

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Sun 12/28

12:50 pm-8:07 pm

2 stops28h 17m

Islip Long Island

Thu 1/1

10:38 am-12:02 pm

3 stops28h 24m

$1,252

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Sun 12/28

11:59 pm-6:45 pm

1 stop15h 46m

Islip Long Island

Thu 1/1

12:30 pm-11:59 pm

2 stops14h 29m

$1,267

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Mon 12/29

12:47 pm-5:14 pm

2 stops49h 27m

Islip Long Island

Thu 1/1

10:38 am-12:02 pm

3 stops28h 24m

$1,276

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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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