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

Frontier and JetBlue 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 34% 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 many operators does momondo search for flights from San Francisco Airport to Islip Long Island Airport?

As of August 2025, there is 1 operator available to choose from 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?

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.

$125 Cheap Flights from San Francisco to Islip, New York (SFO-ISP) in 2025

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Find the cheapest flights from San Francisco to New York (SFO-ISP)

Round-trip

One-way

Last minute

Cheap round-trip flights

11:57 pm - 4:27 pmSFO-ISP

13h 30m2 stops

11:25 am - 11:02 pmISP-SFO

14h 37m2 stops

$247Frontier

Find Deal

Thu, Sep 4 - Thu, Sep 11

11:57 pm - 4:27 pmSFO-ISP

13h 30m2 stops

5:05 pm - 7:45 amISP-SFO

17h 40m2 stops

$250Frontier

Find Deal

Thu, Sep 4 - Sat, Sep 6

1:15 pm - 10:55 amSFO-ISP

18h 40m2 stops

9:49 am - 12:16 amISP-SFO

17h 27m2 stops

$252Frontier

Find Deal

Fri, Sep 5 - Sun, Sep 7

9:05 pm - 12:25 pmSFO-ISP

12h 20m1 stop

6:00 am - 1:30 pmISP-SFO

10h 30m1 stop

$309Southwest

Find Deal

Tue, Oct 21 - Tue, Oct 28

9:05 pm - 12:25 pmSFO-ISP

12h 20m1 stop

1:10 pm - 9:20 pmISP-SFO

11h 10m2 stops

$310Southwest

Find Deal

Tue, Oct 21 - Tue, Oct 28

9:45 pm - 1:02 pmSFO-ISP

12h 17m1 stop

1:57 pm - 11:31 pmISP-SFO

12h 34m1 stop

$323JetBlue

Find Deal

Wed, Oct 29 - Tue, Nov 4

9:45 pm - 1:02 pmSFO-ISP

12h 17m1 stop

1:57 pm - 11:31 pmISP-SFO

12h 34m1 stop

$367JetBlue

Find Deal

Fri, Oct 31 - Tue, Nov 4

12:50 pm - 7:41 pmSFO-ISP

27h 51m2 stops

5:05 pm - 8:15 amISP-SFO

18h 10m2 stops

$567

Find Deal

Tue, Sep 16 - Sat, Sep 20

12:50 pm - 8:07 pmSFO-ISP

28h 17m2 stops

8:47 pm - 12:05 pmISP-SFO

18h 18m2 stops

$653Breeze Airways

Find Deal

Thu, Oct 30 - Mon, Nov 3

12:39 pm - 1:39 pmSFO-ISP

22h 00m1 stop

8:47 pm - 12:05 pmISP-SFO

18h 18m2 stops

$657Breeze Airways

Find Deal

Wed, Sep 3 - Mon, Sep 8

JetBlue flights from San Francisco to Islip, New York

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

JetBlue

Oct 29

SFO9:45 pmSan Francisco

12h 17m

1 stop

ISP1:02 pmIslip Long Island

Nov 4

ISP1:57 pmIslip Long Island

12h 34m

1 stop

SFO11:31 pmSan Francisco

$323

Find similar

JetBlue

Oct 31

SFO9:45 pmSan Francisco

12h 17m

1 stop

ISP1:02 pmIslip Long Island

Nov 4

ISP1:57 pmIslip Long Island

12h 34m

1 stop

SFO11:31 pmSan Francisco

$367

Find similar

JetBlue

Oct 29

SFO9:45 pmSan Francisco

12h 17m

1 stop

ISP1:02 pmIslip Long Island

Nov 3

ISP1:57 pmIslip Long Island

12h 34m

1 stop

SFO11:31 pmSan Francisco

$383

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

Oct 30

SFO12:50 pmSan Francisco

28h 17m

2 stops

ISP8:07 pmIslip Long Island

Nov 3

ISP8:47 pmIslip Long Island

18h 18m

2 stops

SFO12:05 pmSan Francisco

$653

Find similar

Breeze Airways

Sep 3

SFO12:39 pmSan Francisco

22h 00m

1 stop

ISP1:39 pmIslip Long Island

Sep 8

ISP8:47 pmIslip Long Island

18h 18m

2 stops

SFO12:05 pmSan Francisco

$657

Find similar

Breeze Airways

Sep 3

SFO12:39 pmSan Francisco

27h 17m

3 stops

ISP6:56 pmIslip Long Island

Sep 8

ISP8:47 pmIslip Long Island

18h 18m

2 stops

SFO12:05 pmSan Francisco

$659

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

Thu 9/4

11:57 pm-4:27 pm

2 stops13h 30m

Islip Long Island

Thu 9/11

11:25 am-11:02 pm

2 stops14h 37m

$247

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Thu 9/4

11:57 pm-4:27 pm

2 stops13h 30m

Islip Long Island

Sat 9/6

5:05 pm-7:45 am

2 stops17h 40m

$250

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Fri 9/5

1:15 pm-10:55 am

2 stops18h 40m

Islip Long Island

Sun 9/7

9:49 am-12:16 am

2 stops17h 27m

$252

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Tue 10/21

9:05 pm-12:25 pm

1 stop12h 20m

Islip Long Island

Tue 10/28

6:00 am-1:30 pm

1 stop10h 30m

$309

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Tue 10/21

9:05 pm-12:25 pm

1 stop12h 20m

Islip Long Island

Tue 10/28

1:10 pm-9:20 pm

2 stops11h 10m

$310

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Wed 10/29

9:45 pm-1:02 pm

1 stop12h 17m

Islip Long Island

Tue 11/4

1:57 pm-11:31 pm

1 stop12h 34m

$323

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Fri 10/31

9:45 pm-1:02 pm

1 stop12h 17m

Islip Long Island

Tue 11/4

1:57 pm-11:31 pm

1 stop12h 34m

$367

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Tue 9/16

12:50 pm-7:41 pm

2 stops27h 51m

Islip Long Island

Sat 9/20

5:05 pm-8:15 am

2 stops18h 10m

$567

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Thu 10/30

12:50 pm-8:07 pm

2 stops28h 17m

Islip Long Island

Mon 11/3

8:47 pm-12:05 pm

2 stops18h 18m

$653

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Wed 9/3

12:39 pm-1:39 pm

1 stop22h 00m

Islip Long Island

Mon 9/8

8:47 pm-12:05 pm

2 stops18h 18m

$657

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 37% 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

Best Price Found	$125
Fastest flight time	9h 35m
Direct flights	None
Airports in Islip, New York	1 airport

The best one-way flight to Islip, New York from San Francisco in the past 72 hours is $125. The best round-trip flight deal from San Francisco to Islip, New York found on momondo in the last 72 hours is $247.

The fastest flight from San Francisco to Islip, New York takes 9h 35m

There are no direct flights from San Francisco to Islip, New York. Popular non-direct route for this connection is San Francisco Airport - Islip Long Island Airport.

There is 1 airport near Islip, New York: Islip Long Island (ISP)

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 35m 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 many operators does momondo search for flights from San Francisco Airport to Islip Long Island Airport?
As of August 2025, there is 1 operator available to choose from 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?
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.
What is the most popular airline from San Francisco to Islip, New York?
momondo data reveals that the most frequently booked airline on the route from San Francisco to Islip, New York is Southwest, representing 100% of all bookings.

Best airlines flying from San Francisco to Islip, New York

Compare and see reviews for airlines that fly from San Francisco to Islip, New York with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $318	Free Cancellation	Rating 8.0 4,244 reviews		Search Southwest flights

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 $125

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 9/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from San Francisco to New York (SFO-ISP)

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

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

momondo Fare Finder

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 37% 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?

Frontier and JetBlue 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

Best Price Found

Fastest flight time

Direct flights

Airports in Islip, New York

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 many operators does momondo search 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?

What is the most popular airline from San Francisco to Islip, New York?

Best airlines flying from San Francisco to Islip, New York

Compare and see reviews for airlines that fly from San Francisco to Islip, New York with momondo

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