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Islip

$149+ Cheap flights from San Francisco Bay Area to Islip, NY (ISP)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ISP
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Find flight deals from San Francisco Bay Area to Islip

Cheapest flights from San Francisco Bay Area to Islip
Explore the most affordable flight options available from San Francisco Bay Area to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This Trip.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/171:10 pmSFO - ISP
2 stops25h 32mFrontier
Fri 11/2111:32 amISP - SFO
2 stops22h 39mFrontier
Deal found 11/1$444
This JetBlue deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/179:44 pmSFO - ISP
1 stop11h 34mJetBlue
Wed 11/191:15 pmISP - SFO
1 stop13h 16mJetBlue
Deal found 11/1$455
This JetBlue deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/119:44 pmSFO - ISP
1 stop11h 34mJetBlue
Sat 11/151:50 pmISP - SFO
1 stop12h 41mJetBlue
Deal found 11/1$542
This JetBlue deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/119:44 pmSFO - ISP
1 stop11h 34mJetBlue
Tue 11/181:15 pmISP - SFO
1 stop13h 16mJetBlue
Deal found 11/2$576
This JetBlue deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/119:44 pmSFO - ISP
1 stop11h 34mJetBlue
Fri 11/141:55 pmISP - SFO
1 stop12h 36mJetBlue
Deal found 11/2$581
This JetBlue deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/129:44 pmSFO - ISP
1 stop12h 04mJetBlue
Sat 11/151:50 pmISP - SFO
1 stop12h 41mJetBlue
Deal found 11/1$610
This Expedia deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/109:44 pmSFO - ISP
1 stop14h 56mJetBlue
Wed 11/121:15 pmISP - SFO
1 stop13h 16mJetBlue
Deal found 11/2$634
This JetBlue deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/119:44 pmSFO - ISP
1 stop11h 34mJetBlue
Mon 11/171:55 pmISP - SFO
1 stop12h 36mJetBlue
Deal found 11/2$637
This JetBlue deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/169:44 pmSFO - ISP
1 stop12h 07mJetBlue
Sat 11/2212:09 pmISP - SFO
1 stop14h 14mJetBlue
Deal found 11/2$652
This JetBlue deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/159:44 pmSFO - ISP
1 stop12h 07mJetBlue
Tue 11/181:15 pmISP - SFO
1 stop13h 16mJetBlue
Deal found 11/1$692
This JetBlue deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/119:44 pmSFO - ISP
1 stop11h 34mJetBlue
Sun 11/161:55 pmISP - SFO
1 stop12h 36mJetBlue
Deal found 11/1$782
This Southwest deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1011:20 amOAK - ISP
2 stops9h 30mSouthwest
Wed 11/125:40 amISP - OAK
2 stops12h 00mSouthwest
Deal found 11/2$907

Cheap flight deals from San Francisco Bay Area to Islip

Keep the following information in mind while searching for San Francisco Bay Area to Islip flight deals. Data was last updated November 3, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$444
(Trip.com)

One-way from

$149
(JetBlue)

Popular in

December

Cheapest in

February

Average price

$402
Provider with most accurate pricing for San Francisco-New York (NYC) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-New York (NYC) flights.
Search Deals
From San Francisco Bay Area to Islip Long Island
Search Deals
One-way flight from San Francisco Bay Area to Islip Long Island
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco Bay Area to Islip 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, Cheapflights users made 2,558,603 searches. Data last updated November 3, 2025.
Use the filters below to find and compare flights from San Francisco Bay Area to Islip that are best for you.

Fly from

San Francisco Bay Area

Fly to

Islip

Route

Depart

Return

Price

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Mon 11/17

1:10 pm-5:42 pm

2 stops25h 32m

Islip Long Island

Fri 11/21

11:32 am-7:11 am

2 stops22h 39m

$444

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Mon 11/17

9:44 pm-12:18 pm

1 stop11h 34m

Islip Long Island

Wed 11/19

1:15 pm-11:31 pm

1 stop13h 16m

$455

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Sun 11/16

9:44 pm-12:51 pm

1 stop12h 07m

Islip Long Island

Sat 11/22

12:09 pm-11:23 pm

1 stop14h 14m

$652

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Sat 11/15

9:44 pm-12:51 pm

1 stop12h 07m

Islip Long Island

Tue 11/18

1:15 pm-11:31 pm

1 stop13h 16m

$692

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Fri 11/14

9:44 pm-12:48 pm

1 stop12h 04m

Islip Long Island

Wed 11/19

1:15 pm-11:31 pm

1 stop13h 16m

$793

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Fri 11/14

9:44 pm-12:48 pm

1 stop12h 04m

Islip Long Island

Tue 11/18

1:15 pm-11:31 pm

1 stop13h 16m

$793

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Tue 11/18

9:44 pm-12:18 pm

1 stop11h 34m

Islip Long Island

Sat 11/22

12:09 pm-11:23 pm

1 stop14h 14m

$849

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Thu 11/13

9:44 pm-12:51 pm

1 stop12h 07m

Islip Long Island

Sat 11/15

1:50 pm-11:31 pm

1 stop12h 41m

$850

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Fri 11/14

9:44 pm-12:48 pm

1 stop12h 04m

Islip Long Island

Mon 11/17

1:55 pm-11:31 pm

1 stop12h 36m

$866

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Thu 12/4

9:44 pm-11:05 am

1 stop10h 21m

Islip Long Island

Wed 1/7

12:25 pm-11:30 pm

1 stop14h 05m

$1,024

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 31 results
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Best time to book a flight from San Francisco Bay Area to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from San Francisco Bay Area with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco Bay Area to Islip

What is the cheapest month to book a flight from San Francisco Bay Area to Islip, New York?

Currently, January is the cheapest month in which you can book a flight from San Francisco Bay Area to Islip, New York (average of $64). Flying from San Francisco Bay Area to Islip, New York in June is currently the most expensive (average of $202). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from XIH to ISP?

Find hourly flight availability from San Francisco Bay Area to Islip. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

One of the essential ways to save on airfare from San Francisco Bay Area to Islip, New York is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 56% on airfare.

Related info for your journey

Find useful and relevant information for your journey from San Francisco Bay Area to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Islip from San Francisco Bay Area?

    Most people fly into Islip Long Island (ISP) if they book a flight to Islip from San Francisco Bay Area. Long Island is conveniently located just 7.2 mi from Islip’s city center.

  • How long is the flight from San Francisco Bay Area to Islip, New York?

    Frontier and JetBlue can get you from San Francisco Bay Area to Islip, New York in just under 11h 34m. Your travel time can differ by up to 13h 58m. The distance between San Francisco Bay Area and Islip, New York is about 2611 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from San Francisco Bay Area to Islip, New York?

    When deciding which route to take from San Francisco Bay Area to Islip, New York consider San Francisco - Islip Long Island, San Jose - Islip Long Island or Oakland - Islip Long Island as they are the most popular.

  • Can I find deals for flights from San Francisco Bay Area to Islip that include hotel bookings?

    Yes. In addition to deals on San Francisco Bay Area to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco Bay Area to Islip?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco Bay Area to Islip.

  • Can I find deals for business class flights from San Francisco Bay Area to Islip?

    Yes. Cheapflights offers flight deals from San Francisco Bay Area to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco Bay Area to Islip, New York?

    Currently, January is the cheapest month in which you can book a flight from San Francisco Bay Area to Islip, New York (average of $64). Flying from San Francisco Bay Area to Islip, New York in June is currently the most expensive (average of $202). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Islip?

Book flights to Islip if you plan to visit one of these locations
Riverhead
Southampton

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