$213+ Cheap flights from Rochester to Islip, NY (ROC - ISP)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
ROC — ISP
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from Rochester to Islip with Cheapflights
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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
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Cheapest flights from Rochester to IslipExplore the most affordable flight options available from Rochester to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
Explore the most affordable flight options available from Rochester to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
This Southwest deal was found by Cheapflights users on 9/2. 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.
Thu 9/1712:55 pm -
1 stop8h 40m
Mon 9/214:05 pm -
1 stop6h 05m
Deal found 9/2![Southwest logo]()
$351
This Southwest deal was found by Cheapflights users on 9/6. 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 10/235:45 pm -
1 stop5h 55m
Sun 10/256:05 am -
1 stop12h 55m
Deal found 9/6![Southwest logo]()
$382
This Southwest deal was found by Cheapflights users on 9/5. 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 10/74:25 pm -
1 stop3h 35m
Fri 10/93:10 pm -
1 stop8h 45m
Deal found 9/5![Southwest logo]()
$384
This Southwest deal was found by Cheapflights users on 9/6. 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 9/2512:55 pm -
1 stop8h 40m
Mon 9/284:05 pm -
1 stop6h 05m
Deal found 9/6![Southwest logo]()
$397
This Southwest deal was found by Cheapflights users on 9/7. 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 10/102:00 pm -
2 stops7h 50m
Tue 10/1312:50 pm -
1 stop9h 40m
Deal found 9/7![Southwest logo]()
$455
Best flights from Rochester to IslipDiscover carefully curated flight deals from Rochester to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from Rochester to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This Southwest deal was found by Cheapflights users on 9/2. 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.
Thu 9/1711:35 am -
2 stops10h 00m
Mon 9/216:10 am -
1 stop6h 05m
Deal found 9/2![Southwest logo]()
$356
This Southwest deal was found by Cheapflights users on 9/6. 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 10/235:45 pm -
1 stop5h 55m
Sun 10/256:05 am -
1 stop12h 55m
Deal found 9/6![Southwest logo]()
$382
This Southwest deal was found by Cheapflights users on 9/5. 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 10/74:25 pm -
1 stop3h 35m
Fri 10/93:10 pm -
1 stop8h 45m
Deal found 9/5![Southwest logo]()
$384
This Southwest deal was found by Cheapflights users on 9/6. 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 9/2512:55 pm -
1 stop8h 40m
Mon 9/284:05 pm -
1 stop6h 05m
Deal found 9/6![Southwest logo]()
$397
This Southwest deal was found by Cheapflights users on 9/5. 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 9/206:30 am -
1 stop3h 25m
Thu 9/2412:35 pm -
1 stop9h 35m
Deal found 9/5![Southwest logo]()
$494
This Southwest deal was found by Cheapflights users on 9/4. 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 9/1112:55 pm -
2 stops9h 15m
Fri 9/1812:35 pm -
1 stop5h 30m
Deal found 9/4![Southwest logo]()
$508
Last-minute flights from Rochester to IslipDiscover last-minute flight deals from Rochester to Islip. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Rochester to Islip. Data last updated September 7, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/2. 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.
Thu 9/1712:55 pm -
1 stop8h 40m
Mon 9/214:05 pm -
1 stop6h 05m
Deal found 9/2![Southwest logo]()
$351
This Southwest deal was found by Cheapflights users on 9/6. 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 9/2512:55 pm -
1 stop8h 40m
Mon 9/284:05 pm -
1 stop6h 05m
Deal found 9/6![Southwest logo]()
$397
This Southwest deal was found by Cheapflights users on 9/5. 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 10/74:25 pm -
1 stop3h 35m
Fri 10/93:10 pm -
1 stop8h 45m
Deal found 9/5![Southwest logo]()
$384
This Southwest deal was found by Cheapflights users on 9/7. 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 10/102:00 pm -
2 stops7h 50m
Tue 10/1312:50 pm -
1 stop9h 40m
Deal found 9/7![Southwest logo]()
$455
This Southwest deal was found by Cheapflights users on 9/6. 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 10/235:45 pm -
1 stop5h 55m
Sun 10/256:05 am -
1 stop12h 55m
Deal found 9/6![Southwest logo]()
$382
One-way flights from Rochester to IslipSearch for one-way flight options from Rochester to Islip. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from Rochester to Islip. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Mon 9/286:36 pm -
1 stop16h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Breeze Airways logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Sun 9/271:52 pm -
3 stops47h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Breeze Airways logo]()
$215
This Southwest deal was found by Cheapflights users on 9/6. 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 9/2812:55 pm -
2 stops9h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Southwest logo]()
$219
This CheapOair deal was found by Cheapflights users on 9/5. 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.
Sat 10/1710:43 am -
1 stop23h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Breeze Airways logo]()
$259
This KAYAK deal was found by Cheapflights users on 9/5. 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.
Mon 9/146:36 pm -
1 stop16h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Breeze Airways logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Sun 9/273:39 pm -
2 stops26h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$383
This KAYAK deal was found by Cheapflights users on 9/5. 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 9/167:05 pm -
2 stops21h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Breeze Airways logo]()
$465
Find flight deals from Rochester to Islip
Discover tips and strategies to find the most affordable flight options for your journey from Rochester (ROC) to Islip (ISP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $351 (Southwest) |
One-way from | $213 (Kiwi.com) |
Popular in | January |
Cheapest in | September |
Average price | $220 |
Cheapflights Fare Finder
Customize your flight search to find flights from Rochester 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 7,457,451 searches. Data last updated September 7, 2026.
Use the filters below to find and compare flights from Rochester to Islip that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
RochesterIslip
ROC Greater Rochester Intl - ISP Islip Long Island
ROCISP
Greater Rochester Intl
Sun 9/27
1:52 pm-12:58 pm
3 stops47h 06m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$215
Quickest round-trip
RochesterIslip
ROC Greater Rochester Intl - ISP Islip Long Island
ROCISP
Greater Rochester Intl
Mon 9/28
12:55 pm-10:10 pm
2 stops9h 15m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$219
RochesterIslip
ROC Greater Rochester Intl - ISP Islip Long Island
ROCISP
Greater Rochester Intl
Sat 10/17
10:43 am-10:17 am
1 stop23h 34m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$259
RochesterIslip
ROC Greater Rochester Intl - ISP Islip Long Island
ROCISP
Greater Rochester Intl
Thu 9/17
11:35 am-9:35 pm
2 stops10h 00m
Islip Long Island
Mon 9/21
6:10 am-12:15 pm
1 stop6h 05m
$356
RochesterIslip
ROC Greater Rochester Intl - ISP Islip Long Island
ROCISP
Greater Rochester Intl
Fri 10/23
5:45 pm-11:40 pm
1 stop5h 55m
Islip Long Island
Sun 10/25
6:05 am-7:00 pm
1 stop12h 55m
$382
RochesterIslip
ROC Greater Rochester Intl - ISP Islip Long Island
ROCISP
Greater Rochester Intl
Sun 9/27
3:39 pm-6:03 pm
2 stops26h 24m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$383
RochesterIslip
ROC Greater Rochester Intl - ISP Islip Long Island
ROCISP
Greater Rochester Intl
Wed 10/7
4:25 pm-8:00 pm
1 stop3h 35m
Islip Long Island
Fri 10/9
3:10 pm-11:55 pm
1 stop8h 45m
$384
RochesterIslip
ROC Greater Rochester Intl - ISP Islip Long Island
ROCISP
Greater Rochester Intl
Fri 9/25
12:55 pm-9:35 pm
1 stop8h 40m
Islip Long Island
Mon 9/28
4:05 pm-10:10 pm
1 stop6h 05m
$397
RochesterIslip
ROC Greater Rochester Intl - ISP Islip Long Island
ROCISP
Greater Rochester Intl
Wed 9/16
7:05 pm-4:48 pm
2 stops21h 43m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$465
RochesterIslip
ROC Greater Rochester Intl - ISP Islip Long Island
ROCISP
Greater Rochester Intl
Sun 9/20
6:30 am-9:55 am
1 stop3h 25m
Islip Long Island
Thu 9/24
12:35 pm-10:10 pm
1 stop9h 35m
$494
Showing 1-10 of 11 resultsSorted by cheapest first
Compare providers for flights from Rochester to Islip
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rochester to Islip in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Rochester-Islip, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rochester-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rochester-Islip, New York flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Rochester-Islip, New York flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rochester-Islip, New York flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Rochester to Islip
Have a flexible travel schedule? Discover the best time to fly to Islip from Rochester with our price prediction graph.
ROC-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.
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 September 7, 2026.
Read through reviews of airlines operating flights from Rochester to Islip, such as Southwest. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodSharilynn,May 2024
HOU - LGA
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodSharilynn,May 2024
HOU - LGA
Related info for your journey
Find useful and relevant information for your journey from Rochester 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
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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 September 7, 2026.
Rochester and Islip flights
Browse other Rochester and Islip flight options. Last updated on September 7, 2026.
Other flights from Rochester
Browse through other flights departing from Rochester. Flights are based on user searches made on Cheapflights and were last updated on September 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Rochester to Islip
Discover the top airline that operate flights from Rochester 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 7,457,451 searches. Data last updated September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$236 | Average$326 | FlexibilityNo cancel fee | On-time63% |