$225+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ISP
Mar 15 — Mar 221
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from San Francisco Bay Area to Islip with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Francisco Bay Area to Islip
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Francisco Bay Area to IslipExplore 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 February 13, 2026.
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 February 13, 2026.
This Southwest deal was found by Cheapflights users on 2/10. 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 3/109:20 pm
SFO
- ISP
1 stop11h 20m
Southwest
Tue 3/174:40 pm
ISP
- SFO
1 stop8h 25m
Southwest
Deal found 2/10![Southwest logo]()
$372
This Southwest deal was found by Cheapflights users on 2/10. 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.
Fri 3/1311:25 pm
SFO
- ISP
2 stops9h 15m
Southwest
Mon 3/165:55 pm
ISP
- SFO
1 stop8h 45m
Southwest
Deal found 2/10![Southwest logo]()
$425
This Southwest deal was found by Cheapflights users on 2/12. 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 3/1410:55 pm
SFO
- ISP
2 stops9h 50m
Southwest
Sat 3/215:50 pm
ISP
- SFO
1 stop9h 05m
Southwest
Deal found 2/12![Southwest logo]()
$435
This Southwest deal was found by Cheapflights users on 2/12. 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 7/228:25 am
SFO
- ISP
2 stops11h 10m
Southwest
Mon 7/2712:30 pm
ISP
- SFO
1 stop8h 00m
Southwest
Deal found 2/12![Southwest logo]()
$472
This Southwest deal was found by Cheapflights users on 2/10. 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.
Sun 3/2211:25 pm
SFO
- ISP
2 stops9h 15m
Southwest
Sat 4/189:20 am
ISP
- SFO
1 stop8h 05m
Southwest
Deal found 2/10![Southwest logo]()
$476
This Southwest deal was found by Cheapflights users on 2/11. 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.
Fri 3/139:50 pm
SJC
- ISP
1 stop10h 50m
Southwest
Mon 3/166:00 am
ISP
- SJC
1 stop9h 40m
Southwest
Deal found 2/11![Southwest logo]()
$565
This Southwest deal was found by Cheapflights users on 2/11. 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.
Fri 3/139:25 am
OAK
- ISP
2 stops11h 30m
Southwest
Mon 3/162:00 pm
ISP
- OAK
2 stops11h 25m
Southwest
Deal found 2/11![Southwest logo]()
$570
This Southwest deal was found by Cheapflights users on 2/12. 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 7/229:40 pm
SJC
- ISP
1 stop7h 40m
Southwest
Mon 7/279:10 am
ISP
- SJC
1 stop9h 15m
Southwest
Deal found 2/12![Southwest logo]()
$617
This Southwest deal was found by Cheapflights users on 2/12. 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.
Thu 3/1210:00 am
OAK
- ISP
2 stops10h 55m
Southwest
Sun 3/1511:45 am
ISP
- OAK
2 stops12h 20m
Southwest
Deal found 2/12![Southwest logo]()
$745
This Southwest deal was found by Cheapflights users on 2/11. 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.
Fri 3/209:50 pm
SJC
- ISP
1 stop10h 50m
Southwest
Mon 3/232:00 pm
ISP
- SJC
2 stops11h 25m
Southwest
Deal found 2/11![Southwest logo]()
$814
Best flights from San Francisco Bay Area to IslipDiscover carefully curated flight deals from San Francisco Bay Area to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.
Discover carefully curated flight deals from San Francisco Bay Area to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.
This Southwest deal was found by Cheapflights users on 2/10. 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 3/1011:25 pm
SFO
- ISP
2 stops9h 15m
Southwest
Tue 3/174:40 pm
ISP
- SFO
1 stop8h 25m
Southwest
Deal found 2/10![Southwest logo]()
$372
This Southwest deal was found by Cheapflights users on 2/10. 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.
Fri 3/1311:25 pm
SFO
- ISP
2 stops9h 15m
Southwest
Mon 3/165:55 pm
ISP
- SFO
1 stop8h 45m
Southwest
Deal found 2/10![Southwest logo]()
$425
This Southwest deal was found by Cheapflights users on 2/12. 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 3/1410:55 pm
SFO
- ISP
2 stops9h 50m
Southwest
Sat 3/215:50 pm
ISP
- SFO
1 stop9h 05m
Southwest
Deal found 2/12![Southwest logo]()
$435
This Southwest deal was found by Cheapflights users on 2/12. 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 7/228:25 am
SFO
- ISP
2 stops11h 10m
Southwest
Mon 7/2712:30 pm
ISP
- SFO
1 stop8h 00m
Southwest
Deal found 2/12![Southwest logo]()
$472
This Southwest deal was found by Cheapflights users on 2/10. 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.
Sun 3/2211:25 pm
SFO
- ISP
2 stops9h 15m
Southwest
Sat 4/189:20 am
ISP
- SFO
1 stop8h 05m
Southwest
Deal found 2/10![Southwest logo]()
$476
This Southwest deal was found by Cheapflights users on 2/11. 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.
Fri 3/1310:10 am
SJC
- ISP
2 stops10h 45m
Southwest
Mon 3/166:00 am
ISP
- SJC
1 stop9h 40m
Southwest
Deal found 2/11![Southwest logo]()
$565
This Southwest deal was found by Cheapflights users on 2/11. 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.
Fri 3/139:25 am
OAK
- ISP
2 stops11h 30m
Southwest
Mon 3/162:00 pm
ISP
- OAK
2 stops11h 25m
Southwest
Deal found 2/11![Southwest logo]()
$570
This Southwest deal was found by Cheapflights users on 2/11. 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.
Fri 3/2011:00 am
SJC
- ISP
2 stops9h 55m
Southwest
Mon 3/232:00 pm
ISP
- SJC
2 stops11h 25m
Southwest
Deal found 2/11![Southwest logo]()
$601
This Southwest deal was found by Cheapflights users on 2/12. 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 7/229:40 pm
SJC
- ISP
1 stop7h 40m
Southwest
Mon 7/279:10 am
ISP
- SJC
1 stop9h 15m
Southwest
Deal found 2/12![Southwest logo]()
$617
This Southwest deal was found by Cheapflights users on 2/12. 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.
Thu 3/1210:00 am
OAK
- ISP
2 stops10h 55m
Southwest
Sun 3/1511:45 am
ISP
- OAK
2 stops12h 20m
Southwest
Deal found 2/12![Southwest logo]()
$745
Last-minute flights from San Francisco Bay Area to IslipDiscover last-minute flight deals from San Francisco Bay Area to Islip. Data last updated February 13, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco Bay Area to Islip. Data last updated February 13, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 2/10. 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 3/109:20 pm
SFO
- ISP
1 stop11h 20m
Southwest
Tue 3/174:40 pm
ISP
- SFO
1 stop8h 25m
Southwest
Deal found 2/10![Southwest logo]()
$372
This Southwest deal was found by Cheapflights users on 2/12. 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.
Thu 3/1210:00 am
OAK
- ISP
2 stops10h 55m
Southwest
Sun 3/1511:45 am
ISP
- OAK
2 stops12h 20m
Southwest
Deal found 2/12![Southwest logo]()
$745
This Southwest deal was found by Cheapflights users on 2/10. 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.
Fri 3/1311:25 pm
SFO
- ISP
2 stops9h 15m
Southwest
Mon 3/165:55 pm
ISP
- SFO
1 stop8h 45m
Southwest
Deal found 2/10![Southwest logo]()
$425
This Southwest deal was found by Cheapflights users on 2/11. 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.
Fri 3/139:50 pm
SJC
- ISP
1 stop10h 50m
Southwest
Mon 3/166:00 am
ISP
- SJC
1 stop9h 40m
Southwest
Deal found 2/11![Southwest logo]()
$565
This Southwest deal was found by Cheapflights users on 2/11. 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.
Fri 3/139:25 am
OAK
- ISP
2 stops11h 30m
Southwest
Mon 3/162:00 pm
ISP
- OAK
2 stops11h 25m
Southwest
Deal found 2/11![Southwest logo]()
$570
This Southwest deal was found by Cheapflights users on 2/12. 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 3/1410:55 pm
SFO
- ISP
2 stops9h 50m
Southwest
Sat 3/215:50 pm
ISP
- SFO
1 stop9h 05m
Southwest
Deal found 2/12![Southwest logo]()
$435
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Sat 3/1410:38 pm
SFO
- ISP
2 stops14h 11m
Multiple Airlines
Mon 3/169:59 am
ISP
- SFO
1 stop28h 11m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$10,135
This Southwest deal was found by Cheapflights users on 2/11. 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.
Fri 3/209:50 pm
SJC
- ISP
1 stop10h 50m
Southwest
Mon 3/232:00 pm
ISP
- SJC
2 stops11h 25m
Southwest
Deal found 2/11![Southwest logo]()
$814
This Southwest deal was found by Cheapflights users on 2/10. 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.
Sun 3/2211:25 pm
SFO
- ISP
2 stops9h 15m
Southwest
Sat 4/189:20 am
ISP
- SFO
1 stop8h 05m
Southwest
Deal found 2/10![Southwest logo]()
$476
One-way flights from San Francisco Bay Area to IslipSearch for one-way flight options from San Francisco Bay Area to Islip. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
Search for one-way flight options from San Francisco Bay Area to Islip. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
This Trip.com deal was found by Cheapflights users on 2/11. 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.
Wed 5/610:24 am
SJC
- ISP
2 stops19h 49m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$225
This Southwest deal was found by Cheapflights users on 2/11. 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 5/69:40 pm
SJC
- ISP
1 stop11h 10m
Southwest
Deal found 2/11![Southwest logo]()
$314
This JetBlue deal was found by Cheapflights users on 2/9. 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.
Thu 3/1211:06 am
SFO
- ISP
1 stop9h 40m
JetBlue
Deal found 2/9![JetBlue logo]()
$328
This JetBlue deal was found by Cheapflights users on 2/11. 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 5/269:00 pm
SFO
- ISP
1 stop11h 50m
JetBlue
Deal found 2/11![JetBlue logo]()
$338
This JetBlue deal was found by Cheapflights users on 2/10. 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 5/299:00 pm
SFO
- ISP
1 stop11h 50m
JetBlue
Deal found 2/10![JetBlue logo]()
$343
This JetBlue deal was found by Cheapflights users on 2/11. 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 5/309:00 pm
SFO
- ISP
1 stop11h 50m
JetBlue
Deal found 2/11![JetBlue logo]()
$378
This JetBlue deal was found by Cheapflights users on 2/11. 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 3/2311:06 am
SFO
- ISP
1 stop9h 40m
JetBlue
Deal found 2/11![JetBlue logo]()
$398
This JetBlue deal was found by Cheapflights users on 2/12. 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.
Thu 3/2611:06 am
SFO
- ISP
1 stop10h 01m
JetBlue
Deal found 2/12![JetBlue logo]()
$417
This CheapOair deal was found by Cheapflights users on 2/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2211:59 pm
SFO
- ISP
1 stop30h 09m
Frontier
Deal found 2/12![Frontier logo]()
$425
This JetBlue deal was found by Cheapflights users on 2/12. 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 5/229:00 pm
SFO
- ISP
1 stop11h 50m
JetBlue
Deal found 2/12![JetBlue logo]()
$432
This CheapOair deal was found by Cheapflights users on 2/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2111:59 pm
SFO
- ISP
1 stop30h 09m
Frontier
Deal found 2/12![Frontier logo]()
$445
This JetBlue deal was found by Cheapflights users on 2/10. 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 3/1611:06 am
SFO
- ISP
1 stop9h 40m
JetBlue
Deal found 2/10![JetBlue logo]()
$472
Find 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 February 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $372 (Southwest) |
One-way from | $225 (Trip.com) |
Popular in | December |
Cheapest in | January |
Average price | $325 |
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 February 13, 2026.
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 3/10
11:25 pm-11:40 am
2 stops9h 15m
Islip Long Island
Tue 3/17
4:40 pm-10:05 pm
1 stop8h 25m
$372
San FranciscoIslip
SFO - ISP
SFOISP
San Francisco
Fri 3/13
11:25 pm-11:40 am
2 stops9h 15m
Islip Long Island
Mon 3/16
5:55 pm-11:40 pm
1 stop8h 45m
$425
San FranciscoIslip
SFO - ISP
SFOISP
San Francisco
Sat 3/14
10:55 pm-11:45 am
2 stops9h 50m
Islip Long Island
Sat 3/21
5:50 pm-11:55 pm
1 stop9h 05m
$435
San FranciscoIslip
SFO - ISP
SFOISP
San Francisco
Wed 7/22
8:25 am-10:35 pm
2 stops11h 10m
Islip Long Island
Mon 7/27
12:30 pm-5:30 pm
1 stop8h 00m
$472
San FranciscoIslip
SFO - ISP
SFOISP
San Francisco
Sun 3/22
11:25 pm-11:40 am
2 stops9h 15m
Islip Long Island
Sat 4/18
9:20 am-2:25 pm
1 stop8h 05m
$476
San JoseIslip
SJC - ISP
SJCISP
San Jose
Fri 3/13
10:10 am-11:55 pm
2 stops10h 45m
Islip Long Island
Mon 3/16
6:00 am-12:40 pm
1 stop9h 40m
$565
OaklandIslip
OAK - ISP
OAKISP
Oakland
Fri 3/13
9:25 am-11:55 pm
2 stops11h 30m
Islip Long Island
Mon 3/16
2:00 pm-10:25 pm
2 stops11h 25m
$570
San JoseIslip
SJC - ISP
SJCISP
San Jose
Fri 3/20
11:00 am-11:55 pm
2 stops9h 55m
Islip Long Island
Mon 3/23
2:00 pm-10:25 pm
2 stops11h 25m
$601
San JoseIslip
SJC - ISP
SJCISP
San Jose
Wed 7/22
9:40 pm-8:20 am
1 stop7h 40m
Islip Long Island
Mon 7/27
9:10 am-3:25 pm
1 stop9h 15m
$617
OaklandIslip
OAK - ISP
OAKISP
Oakland
Thu 3/12
10:00 am-11:55 pm
2 stops10h 55m
Islip Long Island
Sun 3/15
11:45 am-9:05 pm
2 stops12h 20m
$745
Showing 1-10 of 22 results
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.
SJC-ISP
SFO-ISP
OAK-ISP
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
zzXIH-ISP
SJC-ISP
SFO-ISP
OAK-ISP
What is the cheapest month to book a flight from San Francisco Bay Area to Islip, New York?
Currently, July is the cheapest month in which you can book a flight from San Francisco Bay Area to Islip, New York (average of $119). 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.
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 February 13, 2026.
Read reviews from past customers who have flown Southwest from San Francisco Bay Area to Islip. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
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.
Traveling to a place near Islip?
Book flights to Islip if you plan to visit one of these locationsRiverhead
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Islip flight routes
Other flight options
Popular flights
Top destinations
Alternative routes for San Francisco Bay Area to Islip
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Islip by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Francisco Bay Area to Islip by cabin class
Find flights from San Francisco Bay Area to Islip, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Islip
Explore flights to Islip departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 13, 2026.
San Francisco Bay Area and Islip flights
Browse other San Francisco Bay Area and Islip flight options. Last updated on February 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
San Francisco Bay Area to Islip flights
Consider these flights traveling from San Francisco Bay Area to Islip.
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 February 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$318 | Average$597 | FlexibilityNo cancel fee | On-time63% |