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Islip

$150+ 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ISP
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
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 June 16, 2025.

Round-trip from

$279
(JetBlue)

One-way from

$150
(JetBlue)

Popular in

December

Cheapest in

February

Average price

$478
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. 4% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 16, 2025.

This JetBlue deal was found by Cheapflights users on 6/15. 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.
Fri 9/1210:15 pmSFO - ISP
1 stop9h 35mJetBlue
Fri 9/2611:35 amISP - SFO
1 stop10h 45mJetBlue
Deal found 6/15$279
This Southwest deal was found by Cheapflights users on 6/16. 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.
Wed 9/175:55 amSFO - ISP
2 stops12h 10mSouthwest
Sat 9/2012:55 pmISP - SFO
2 stops11h 40mSouthwest
Deal found 6/16$358
This Southwest deal was found by Cheapflights users on 6/14. 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.
Sat 8/165:00 amOAK - ISP
2 stops13h 40mSouthwest
Tue 8/266:05 amISP - OAK
2 stops11h 50mSouthwest
Deal found 6/14$433
This FlightHub deal was found by Cheapflights users on 6/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/108:53 pmSFO - ISP
1 stop19h 49mFrontier
Wed 7/168:37 pmISP - SFO
1 stop16h 48mFrontier
Deal found 6/15$435
This Southwest deal was found by Cheapflights users on 6/16. 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.
Wed 7/308:55 pmSJC - ISP
1 stop9h 30mSouthwest
Wed 8/66:05 amISP - SJC
1 stop14h 30mSouthwest
Deal found 6/16$467
This FlightHub deal was found by Cheapflights users on 6/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1112:29 pmSFO - ISP
2 stops22h 03mMultiple Airlines
Thu 7/176:00 amISP - SFO
1 stop31h 25mMultiple Airlines
Deal found 6/14$618
This FlightHub deal was found by Cheapflights users on 6/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/712:33 pmSFO - ISP
2 stops18h 23mBreeze Airways
Sun 8/107:39 pmISP - SFO
3 stops19h 05mBreeze Airways
Deal found 6/15$662
This Mytrip deal was found by Cheapflights users on 6/14. 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.
Fri 6/276:00 amSJC - ISP
3 stops28h 32mMultiple Airlines
Mon 6/3010:36 amISP - SJC
3 stops26h 30mMultiple Airlines
Deal found 6/14$931
This Trip.com deal was found by Cheapflights users on 6/15. 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.
Thu 6/197:00 pmSJC - ISP
2 stops21h 36mFrontier
Sun 6/228:21 pmISP - SJC
2 stops20h 02mFrontier
Deal found 6/15$1,218

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 June 16, 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

Fri 9/12

10:15 pm-10:50 am

1 stop9h 35m

Islip Long Island

Fri 9/26

11:35 am-7:20 pm

1 stop10h 45m

$279

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Wed 9/17

5:55 am-9:05 pm

2 stops12h 10m

Islip Long Island

Sat 9/20

12:55 pm-9:35 pm

2 stops11h 40m

$358

OaklandIslip

OAK - ISP

OAKISP

Oakland

Sat 8/16

5:00 am-9:40 pm

2 stops13h 40m

Islip Long Island

Tue 8/26

6:05 am-2:55 pm

2 stops11h 50m

$433

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Thu 7/10

8:53 pm-7:42 pm

1 stop19h 49m

Islip Long Island

Wed 7/16

8:37 pm-10:25 am

1 stop16h 48m

$435

San JoseIslip

SJC - ISP

SJCISP

San Jose

Wed 7/30

8:55 pm-9:25 am

1 stop9h 30m

Islip Long Island

Wed 8/6

6:05 am-5:35 pm

1 stop14h 30m

$467

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Fri 7/11

12:29 pm-1:32 pm

2 stops22h 03m

Islip Long Island

Thu 7/17

6:00 am-10:25 am

1 stop31h 25m

$618

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Thu 8/7

12:33 pm-9:56 am

2 stops18h 23m

Islip Long Island

Sun 8/10

7:39 pm-11:44 am

3 stops19h 05m

$662

San JoseIslip

SJC - ISP

SJCISP

San Jose

Fri 6/27

6:00 am-1:32 pm

3 stops28h 32m

Islip Long Island

Mon 6/30

10:36 am-10:06 am

3 stops26h 30m

$931

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Mon 7/28

9:14 pm-11:41 am

1 stop11h 27m

$150

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Wed 10/1

9:05 pm-12:00 pm

1 stop11h 55m

$174

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 12 results
1
2

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 June 16, 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 June 16, 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
181 reviews

Overall

8.1

Crew

8.8

Boarding

8.3

Comfort

8.2

Entertainment

6.6

Food

6.7

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
181 reviews
Breeze Airways
8.1
Very good
181 reviews

Overall

8.1

Crew

8.8

Boarding

8.3

Comfort

8.2

Entertainment

6.6

Food

6.7

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
4,278 reviews
Breeze Airways
8.1
Very good
181 reviews

Overall

8.1

Crew

8.8

Boarding

8.3

Comfort

8.2

Entertainment

6.6

Food

6.7

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
181 reviews

Overall

8.1

Crew

8.8

Boarding

8.3

Comfort

8.2

Entertainment

6.6

Food

6.7

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
5.9
Fair
3,296 reviews
Breeze Airways
8.1
Very good
181 reviews

Overall

8.1

Crew

8.8

Boarding

8.3

Comfort

8.2

Entertainment

6.6

Food

6.7

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 JetBlue, with whom users have recently found tickets for as low as $150. However, be on the lookout for offers from Southwest and Breeze Airways, 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
Riverhead

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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 June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$323Average$558FlexibilityNo cancel feeOn-time63%

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