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Islip

$97+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ISP
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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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 May 1, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$198
(Frontier)

One-way from

$97
(Cheapflightsfares)

Popular in

June

Cheapest in

February

Average price

$414
Provider with most accurate pricing for San Francisco-New York (NYC) flight deals.
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Provider most trusted by Cheapflights users for San Francisco-New York (NYC) flights.
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From San Francisco Bay Area to Islip Long Island
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One-way flight from San Francisco Bay Area to Islip Long Island
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Highest demand for flights based on searches. 13% potential increase in price ($66 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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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 May 1, 2025.

This Frontier deal was found by Cheapflights users on 4/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/209:59 pmSFO - ISP
1 stop9h 42mFrontier
Sat 5/249:06 pmISP - SFO
1 stop16h 22mFrontier
Deal found 4/30$198
This JetBlue deal was found by Cheapflights users on 4/29. 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 6/179:10 pmSFO - ISP
1 stop9h 41mJetBlue
Thu 6/262:39 pmISP - SFO
1 stop12h 01mJetBlue
Deal found 4/29$367
This Southwest deal was found by Cheapflights users on 4/30. 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.
Tue 5/209:15 amSFO - ISP
2 stops10h 35mSouthwest
Sun 5/256:45 amISP - SFO
2 stops11h 40mSouthwest
Deal found 4/30$517
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2012:33 pmSFO - ISP
2 stops22h 12mMultiple Airlines
Sun 5/258:21 pmISP - SFO
1 stop17h 07mMultiple Airlines
Deal found 4/30$534
This KAYAK deal was found by Cheapflights users on 4/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2712:24 pmSFO - ISP
3 stops27h 35mBreeze Airways
Tue 9/21:55 pmISP - SFO
3 stops24h 59mBreeze Airways
Deal found 4/29$694

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 May 1, 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

Tue 5/20

9:59 pm-10:41 am

1 stop9h 42m

Islip Long Island

Sat 5/24

9:06 pm-10:28 am

1 stop16h 22m

$198

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Tue 6/17

9:10 pm-9:51 am

1 stop9h 41m

Islip Long Island

Thu 6/26

2:39 pm-11:40 pm

1 stop12h 01m

$367

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Tue 5/20

9:15 am-10:50 pm

2 stops10h 35m

Islip Long Island

Sun 5/25

6:45 am-3:25 pm

2 stops11h 40m

$517

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Tue 5/20

12:33 pm-1:45 pm

2 stops22h 12m

Islip Long Island

Sun 5/25

8:21 pm-10:28 am

1 stop17h 07m

$534

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Wed 5/28

12:24 pm-6:59 pm

3 stops27h 35m

Islip Long Island

Wed 6/4

2:25 pm-11:48 am

2 stops24h 23m

$760

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Wed 5/7

9:59 pm-10:12 am

1 stop9h 13m

$97

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Tue 6/17

9:10 pm-9:51 am

1 stop9h 41m

$194

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Sat 5/24

9:40 am-10:55 pm

2 stops10h 15m

$209

OaklandIslip

OAK - ISP

OAKISP

Oakland

Mon 6/30

11:50 am-12:05 am

2 stops9h 15m

$249

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Tue 6/3

12:33 pm-1:45 pm

2 stops22h 12m

$370

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 11 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 $108). Flying from San Francisco Bay Area to Islip, New York in November is currently the most expensive (average of $213). 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 May 1, 2025.

When flying from San Francisco Bay Area to Islip, New York, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Islip by month

Plan your trip to Islip by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Islip, New York ranges from 3.3 - 4.4 inches per month. March is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Islip, New York when rainfall is around 3.3 in.

Temperature in Islip by month

Plan your trip to Islip by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Islip, New York, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Islip

Get insights into the airlines that provide service to Islip. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Islip. Reviews last updated May 1, 2025.
To help decide which airline to fly from San Francisco Bay Area to Islip, see what other customers have to say about Breeze Airways, Southwest and JetBlue. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.1
Very good
160 reviews

Overall

8.1

Boarding

8.3

Entertainment

6.6

Comfort

8.2

Food

6.7

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Breeze Airways
8.1
Very good
160 reviews
Breeze Airways
8.1
Very good
160 reviews

Overall

8.1

Boarding

8.3

Entertainment

6.6

Comfort

8.2

Food

6.7

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Southwest
8.0
Very good
4,294 reviews
Breeze Airways
8.1
Very good
160 reviews

Overall

8.1

Boarding

8.3

Entertainment

6.6

Comfort

8.2

Food

6.7

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
JetBlue
7.3
Good
2,922 reviews
Breeze Airways
8.1
Very good
160 reviews

Overall

8.1

Boarding

8.3

Entertainment

6.6

Comfort

8.2

Food

6.7

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Frontier
6.0
Okay
3,287 reviews
Breeze Airways
8.1
Very good
160 reviews

Overall

8.1

Boarding

8.3

Entertainment

6.6

Comfort

8.2

Food

6.7

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

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.

  • What are the cheapest airlines to fly from San Francisco Bay Area to Islip, New York one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $97. However, be on the lookout for offers from JetBlue and Southwest, as they are both options that can get you from San Francisco Bay Area to Islip, New York for a low price.

  • 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, Oakland - Islip Long Island or San Jose - 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 $108). Flying from San Francisco Bay Area to Islip, New York in November is currently the most expensive (average of $213). 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 San Francisco Bay Area?

Book flights to San Francisco Bay Area if you plan to visit one of these locations
Southampton
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Alternative routes for San Francisco Bay Area to Islip

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from San Francisco Bay Area to Islip

Discover the top airline that operate flights from San Francisco Bay Area to Islip. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$323Average$576FlexibilityNo cancel feeOn-time63%

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