What is the cheapest airline that flies from San Francisco to Islip Long Island?

JetBlue, Southwest, and Frontier are the most popular carriers operating from San Francisco to Islip Long Island

What airlines fly to Islip, New York?

Alaska Airlines, United Airlines and JetBlue are the top three most popular airlines that fly to Islip, New York from San Francisco according to our data. Alaska Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 10 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

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.

$167 Cheap Flights from San Francisco to Islip in 2025/26

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10:40 pm - 11:25 amSFO-ISP

9h 45m1 stop

1:15 pm - 11:33 pmISP-SFO

13h 18m1 stop

$497JetBlue

Find Deal

Sun, Mar 22 - Tue, Mar 24

10:40 pm - 12:20 pmSFO-ISP

10h 40m1 stop

12:10 pm - 11:33 pmISP-SFO

14h 23m1 stop

$541JetBlue

Find Deal

Mon, Mar 23 - Wed, Mar 25

10:40 pm - 11:25 amSFO-ISP

9h 45m1 stop

12:10 pm - 11:33 pmISP-SFO

14h 23m1 stop

$585JetBlue

Find Deal

Wed, Mar 25 - Fri, Mar 27

10:40 pm - 11:25 amSFO-ISP

9h 45m1 stop

1:15 pm - 11:33 pmISP-SFO

13h 18m1 stop

$589JetBlue

Find Deal

Sun, Mar 22 - Tue, Mar 24

10:40 pm - 11:25 amSFO-ISP

9h 45m1 stop

12:10 pm - 11:33 pmISP-SFO

14h 23m1 stop

$617JetBlue

Find Deal

Tue, Mar 24 - Thu, Mar 26

10:40 pm - 11:25 amSFO-ISP

9h 45m1 stop

12:10 pm - 11:33 pmISP-SFO

14h 23m1 stop

$634JetBlue

Find Deal

Sat, Mar 21 - Mon, Mar 23

10:40 pm - 11:25 amSFO-ISP

9h 45m1 stop

12:10 pm - 11:33 pmISP-SFO

14h 23m1 stop

$684JetBlue

Find Deal

Sat, Mar 21 - Mon, Mar 23

10:40 pm - 11:25 amSFO-ISP

9h 45m1 stop

12:10 pm - 11:33 pmISP-SFO

14h 23m1 stop

$689JetBlue

Find Deal

Tue, Mar 24 - Thu, Mar 26

10:40 pm - 11:25 amSFO-ISP

9h 45m1 stop

12:10 pm - 11:33 pmISP-SFO

14h 23m1 stop

$714JetBlue

Find Deal

Tue, Mar 24 - Fri, Mar 27

10:40 pm - 11:25 amSFO-ISP

9h 45m1 stop

12:10 pm - 11:33 pmISP-SFO

14h 23m1 stop

$790JetBlue

Find Deal

Fri, Mar 20 - Sun, Mar 22

JetBlue flights from San Francisco to Islip, New York

Our best JetBlue deals on San Francisco to Islip, New York flight tickets

JetBlue

Mar 22

SFO10:40 pmSan Francisco

9h 45m

1 stop

ISP11:25 amIslip Long Island

Mar 24

ISP1:15 pmIslip Long Island

13h 18m

1 stop

SFO11:33 pmSan Francisco

$497

Find similar

JetBlue

Mar 23

SFO10:40 pmSan Francisco

10h 40m

1 stop

ISP12:20 pmIslip Long Island

Mar 25

ISP12:10 pmIslip Long Island

14h 23m

1 stop

SFO11:33 pmSan Francisco

$541

Find similar

JetBlue

Mar 25

SFO10:40 pmSan Francisco

9h 45m

1 stop

ISP11:25 amIslip Long Island

Mar 27

ISP12:10 pmIslip Long Island

14h 23m

1 stop

SFO11:33 pmSan Francisco

$585

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

Nov 30

SFO12:50 pmSan Francisco

28h 17m

2 stops

ISP8:07 pmIslip Long Island

Dec 4

ISP10:38 amIslip Long Island

28h 24m

3 stops

SFO12:02 pmSan Francisco

$1,330

Find similar

Breeze Airways

Nov 30

SFO12:50 pmSan Francisco

42h 38m

3 stops

ISP10:28 amIslip Long Island

Dec 4

ISP10:38 amIslip Long Island

28h 24m

3 stops

SFO12:02 pmSan Francisco

$1,565

Find similar

momondo Fare Finder

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

Sun 3/22

10:40 pm-11:25 am

1 stop9h 45m

Islip Long Island

Tue 3/24

1:15 pm-11:33 pm

1 stop13h 18m

$497

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Mon 3/23

10:40 pm-12:20 pm

1 stop10h 40m

Islip Long Island

Wed 3/25

12:10 pm-11:33 pm

1 stop14h 23m

$541

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Wed 3/25

10:40 pm-11:25 am

1 stop9h 45m

Islip Long Island

Fri 3/27

12:10 pm-11:33 pm

1 stop14h 23m

$585

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Sun 3/22

10:40 pm-11:25 am

1 stop9h 45m

Islip Long Island

Tue 3/24

1:15 pm-11:33 pm

1 stop13h 18m

$589

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Tue 3/24

10:40 pm-11:25 am

1 stop9h 45m

Islip Long Island

Thu 3/26

12:10 pm-11:33 pm

1 stop14h 23m

$617

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Sat 3/21

10:40 pm-11:25 am

1 stop9h 45m

Islip Long Island

Mon 3/23

12:10 pm-11:33 pm

1 stop14h 23m

$634

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Sat 3/21

10:40 pm-11:25 am

1 stop9h 45m

Islip Long Island

Mon 3/23

12:10 pm-11:33 pm

1 stop14h 23m

$684

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Tue 3/24

10:40 pm-11:25 am

1 stop9h 45m

Islip Long Island

Thu 3/26

12:10 pm-11:33 pm

1 stop14h 23m

$689

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Tue 3/24

10:40 pm-11:25 am

1 stop9h 45m

Islip Long Island

Fri 3/27

12:10 pm-11:33 pm

1 stop14h 23m

$714

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Fri 3/20

10:40 pm-11:25 am

1 stop9h 45m

Islip Long Island

Sun 3/22

12:10 pm-11:33 pm

1 stop14h 23m

$790

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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

Direct flights	None

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. 9h 00m 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.

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.

An easier way to manage your Islip, New York trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from San Francisco to New York from $199

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 12/20. 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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JetBlue flights from San Francisco to Islip, New York

Our best JetBlue deals on San Francisco to Islip, New York flight tickets

Breeze Airways flights from San Francisco to Islip, New York

Our best Breeze Airways deals on San Francisco to Islip, New York flight tickets

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Use the filters below to find and compare flights from San Francisco to Islip, New York that are best for you.

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?

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.

What is the cheapest airline that flies from San Francisco to Islip Long Island?

JetBlue, Southwest, and Frontier are the most popular carriers operating from San Francisco to Islip Long Island

What airlines fly to Islip, New York?

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

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

Direct flights

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

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

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

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

Traveling to a place near New York?

Why use momondo?

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

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

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

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

An easier way to manage your Islip, New York trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing New York