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San Francisco Bay Area

$216+ Cheap flights from Islip, NY (ISP) to San Francisco Bay Area

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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — SFO
dic. 3 — dic. 101
mié. 12/3
mié. 12/10
1 adult, Economy
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Cheap flight deals from Islip to San Francisco Bay Area

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

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$473
(JetBlue)

One-way from

$216
(JetBlue)

Popular in

December

Cheapest in

February

Average price

$422
Provider with most accurate pricing for New York (NYC)-San Francisco flight deals.
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Provider most trusted by Cheapflights users for New York (NYC)-San Francisco flights.
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From Islip Long Island to San Francisco Bay Area
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One-way flight from Islip Long Island to San Francisco Bay Area
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Highest demand for flights based on searches. 8% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Islip to San Francisco Bay Area

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

This JetBlue deal was found by Cheapflights users on 10/31. 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.
mié. 11/121:15 pmISP - SFO
1 stop13h 16mJetBlue
mar. 11/189:44 pmSFO - ISP
1 stop11h 34mJetBlue
Deal found 10/31$469
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.
mar. 11/181:15 pmISP - SFO
1 stop13h 16mJetBlue
mié. 12/39:44 pmSFO - ISP
1 stop10h 21mJetBlue
Deal found 11/1$473
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.
vie. 11/141:55 pmISP - SFO
1 stop12h 36mJetBlue
lun. 11/179:44 pmSFO - ISP
1 stop11h 34mJetBlue
Deal found 11/2$474
This JetBlue deal was found by Cheapflights users on 10/31. 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.
mié. 11/121:15 pmISP - SFO
1 stop13h 16mJetBlue
lun. 11/179:44 pmSFO - ISP
1 stop11h 34mJetBlue
Deal found 10/31$489
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.
lun. 11/244:25 pmISP - SFO
1 stop10h 05mJetBlue
mié. 12/39:44 pmSFO - ISP
1 stop10h 21mJetBlue
Deal found 11/2$518
This Southwest deal was found by Cheapflights users on 11/3. 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.
mar. 12/235:40 amISP - SFO
2 stops12h 05mSouthwest
mar. 12/306:45 amSFO - ISP
2 stops14h 10mSouthwest
Deal found 11/3$523
This JetBlue deal was found by Cheapflights users on 10/31. 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.
mié. 11/121:15 pmISP - SFO
1 stop13h 16mJetBlue
dom. 11/169:44 pmSFO - ISP
1 stop12h 07mJetBlue
Deal found 10/31$564
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/84:58 pmISP - SFO
2 stops31h 13mMultiple Airlines
sáb. 11/1512:39 pmSFO - ISP
1 stop22h 00mMultiple Airlines
Deal found 11/1$589
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.
lun. 11/244:25 pmISP - SFO
1 stop10h 05mJetBlue
lun. 12/111:00 pmSFO - ISP
1 stop9h 05mJetBlue
Deal found 11/2$609
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.
sáb. 11/2212:09 pmISP - SFO
1 stop14h 14mJetBlue
sáb. 12/69:44 pmSFO - ISP
1 stop10h 21mJetBlue
Deal found 11/2$715

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to San Francisco Bay Area 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 noviembre 3, 2025.
Use the filters below to find and compare flights from Islip to San Francisco Bay Area that are best for you.

Fly from

Islip

Fly to

San Francisco Bay Area

Route

Depart

Return

Price

IslipSan Francisco

ISP - SFO

ISPSFO

Islip Long Island

mar. 11/18

1:15 pm-11:31 pm

1 stop13h 16m

San Francisco

mié. 12/3

9:44 pm-11:05 am

1 stop10h 21m

$473

IslipSan Francisco

ISP - SFO

ISPSFO

Islip Long Island

vie. 11/14

1:55 pm-11:31 pm

1 stop12h 36m

San Francisco

lun. 11/17

9:44 pm-12:18 pm

1 stop11h 34m

$474

IslipSan Francisco

ISP - SFO

ISPSFO

Islip Long Island

lun. 11/24

4:25 pm-11:30 pm

1 stop10h 05m

San Francisco

mié. 12/3

9:44 pm-11:05 am

1 stop10h 21m

$518

IslipSan Francisco

ISP - SFO

ISPSFO

Islip Long Island

lun. 11/24

4:25 pm-11:30 pm

1 stop10h 05m

San Francisco

mar. 12/2

9:44 pm-11:05 am

1 stop10h 21m

$518

IslipSan Francisco

ISP - SFO

ISPSFO

Islip Long Island

mar. 12/23

5:40 am-2:45 pm

2 stops12h 05m

San Francisco

mar. 12/30

6:45 am-11:55 pm

2 stops14h 10m

$523

IslipSan Francisco

ISP - SFO

ISPSFO

Islip Long Island

sáb. 1/3

5:55 pm-11:25 pm

1 stop8h 30m

San Francisco

sáb. 2/28

7:55 am-10:45 pm

2 stops11h 50m

$558

IslipSan Francisco

ISP - SFO

ISPSFO

Islip Long Island

lun. 11/24

4:25 pm-11:30 pm

1 stop10h 05m

San Francisco

lun. 12/1

11:00 pm-11:05 am

1 stop9h 05m

$609

IslipSan Francisco

ISP - SFO

ISPSFO

Islip Long Island

sáb. 11/22

12:09 pm-11:23 pm

1 stop14h 14m

San Francisco

sáb. 12/6

9:44 pm-11:05 am

1 stop10h 21m

$715

IslipSan Francisco

ISP - SFO

ISPSFO

Islip Long Island

lun. 11/24

4:25 pm-11:30 pm

1 stop10h 05m

$216

IslipSan Francisco

ISP - SFO

ISPSFO

Islip Long Island

mié. 11/19

1:15 pm-11:31 pm

1 stop13h 16m

$228

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 22 results
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Best time to book a flight from Islip to San Francisco Bay Area

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area from Islip 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 Islip to San Francisco Bay Area

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

Currently, February is the cheapest month in which you can book a flight from Islip, New York to San Francisco Bay Area (average of $71). Flying from Islip, New York to San Francisco Bay Area in July is currently the most expensive (average of $190). 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.

Related info for your journey

Find useful and relevant information for your journey from Islip to San Francisco Bay Area. 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 from for flights from Islip to San Francisco Bay Area?

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

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

    Airlines like JetBlue and Southwest fly from Islip, New York to San Francisco Bay Area in about 12h 05m. The time it takes to get you to your destination can typically vary by up to 1h 11m. The distance from Islip, New York to San Francisco Bay Area is about 2611 mi. This flight may include one or multiple stops.

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

    Most travelers choose Islip Long Island - San Francisco, Islip Long Island - Oakland or Islip Long Island - San Jose when deciding on the best route from Islip, New York to San Francisco Bay Area.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Islip to San Francisco Bay Area 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 Islip, New York to San Francisco Bay Area?

    Currently, February is the cheapest month in which you can book a flight from Islip, New York to San Francisco Bay Area (average of $71). Flying from Islip, New York to San Francisco Bay Area in July is currently the most expensive (average of $190). 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

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