HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Islip

$127+ Cheap flights from Rochester to Islip, NY (ROC - 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 12/21. Fares are subject to change and may not be available on all flights or dates of travel.
ROC — ISP
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Rochester 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 Rochester to Islip

Cheapest flights from Rochester to Islip
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 December 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1011:40 amROC - ISP
2 stops23h 20mMultiple Airlines
Sun 12/1411:15 amISP - ROC
1 stop30h 36mMultiple Airlines
Deal found 12/9$442
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:00 pmROC - ISP
1 stop18h 42mMultiple Airlines
Sat 12/206:40 pmISP - ROC
1 stop22h 15mMultiple Airlines
Deal found 12/11$462
This Southwest deal was found by Cheapflights users on 12/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/165:55 amROC - ISP
1 stop6h 20mSouthwest
Thu 12/185:30 pmISP - ROC
1 stop6h 15mSouthwest
Deal found 12/9$489
This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
Thu 12/256:00 pmROC - ISP
1 stop19h 09mMultiple Airlines
Mon 12/298:35 pmISP - ROC
1 stop20h 20mMultiple Airlines
Deal found 12/10$547
This Southwest deal was found by Cheapflights users on 12/11. 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.
Thu 12/181:10 pmROC - ISP
2 stops9h 25mSouthwest
Sat 12/2010:20 amISP - ROC
2 stops13h 00mSouthwest
Deal found 12/11$633
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:00 pmROC - ISP
1 stop19h 09mMultiple Airlines
Fri 1/26:00 amISP - ROC
1 stop27h 30mMultiple Airlines
Deal found 12/11$640
This Southwest deal was found by Cheapflights users on 12/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1012:40 pmROC - ISP
2 stops9h 00mSouthwest
Sun 12/1410:55 amISP - ROC
2 stops11h 10mSouthwest
Deal found 12/9$678

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$291
(Southwest)

One-way from

$127
(Trip.com)

Popular in

July

Cheapest in

October

Average price

$217
Provider with most accurate pricing for Greater Rochester Intl-Islip Long Island flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greater Rochester Intl-Islip Long Island flights.
Search Deals
From Greater Rochester Intl to Islip Long Island
Search Deals
One-way flight from Greater Rochester Intl to Islip Long Island
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Rochester to Islip that are best for you.

Fly from

Rochester

Fly to

Islip

Route

Depart

Return

Price

RochesterIslip

ROC - ISP

ROCISP

Greater Rochester Intl

Thu 4/23

12:40 pm-4:30 pm

1 stop3h 50m

Islip Long Island

Mon 4/27

12:30 pm-4:35 pm

1 stop4h 05m

$291

RochesterIslip

ROC - ISP

ROCISP

Greater Rochester Intl

Thu 1/1

3:55 pm-10:05 pm

1 stop6h 10m

Islip Long Island

Sun 1/4

5:50 pm-11:55 pm

1 stop6h 05m

$464

RochesterIslip

ROC - ISP

ROCISP

Greater Rochester Intl

Thu 12/25

6:00 pm-1:09 pm

1 stop19h 09m

Islip Long Island

Mon 12/29

8:35 pm-4:55 pm

1 stop20h 20m

$547

RochesterIslip

ROC - ISP

ROCISP

Greater Rochester Intl

Sun 12/28

6:00 pm-1:09 pm

1 stop19h 09m

Islip Long Island

Fri 1/2

6:00 am-9:30 am

1 stop27h 30m

$640

RochesterIslip

ROC - ISP

ROCISP

Greater Rochester Intl

Sun 12/28

12:25 pm-11:10 pm

2 stops10h 45m

Islip Long Island

Fri 1/2

5:50 pm-11:55 pm

1 stop6h 05m

$681

RochesterIslip

ROC - ISP

ROCISP

Greater Rochester Intl

Thu 12/25

2:20 pm-1:45 pm

3 stops23h 25m

Islip Long Island

Mon 12/29

8:47 pm-1:40 pm

1 stop16h 53m

$977

RochesterIslip

ROC - ISP

ROCISP

Greater Rochester Intl

Thu 1/1

2:20 pm-1:45 pm

3 stops23h 25m

Islip Long Island

Sun 1/4

2:19 pm-6:17 pm

3 stops27h 58m

$1,144

RochesterIslip

ROC - ISP

ROCISP

Greater Rochester Intl

Sun 12/21

10:44 am-6:19 pm

1 stop7h 35m

$127

RochesterIslip

ROC - ISP

ROCISP

Greater Rochester Intl

Sun 12/21

6:00 pm-11:00 am

2 stops41h 00m

$216

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Rochester-Islip, New York flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Rochester-Islip, New York flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.
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 Rochester to Islip

What is the cheapest month to book a flight from Rochester to Islip, New York?

Currently, March is the cheapest month in which you can book a flight from Rochester to Islip, New York (average of $58). Flying from Rochester to Islip, New York in June is currently the most expensive (average of $93). 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 ROC to ISP?

Find hourly flight availability from Rochester 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 December 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Rochester to Islip, New York in the morning. If you’re flexible enough to do this you can expect to save up to 74% on your trip compared to booking a flight at noon.

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 December 12, 2025.
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.
Southwest
7.9
Good
4,253 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,253 reviews
Southwest
7.9
Good
4,253 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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.

  • How long is the flight from Rochester to Islip, New York?

    Southwest can get you from Rochester to Islip, New York in just under 3h 50m. Your travel time can differ by up to . Airlines will cover a distance of 285 mi.

  • What is the cheapest airline to fly from Rochester to Islip, New York round-trip?

    Cheapflights users have booked flights from Rochester to Islip, New York round-trip from $262. This flight start at 23% lower than the current average price 3 months from now.

  • Can I find deals for flights from Rochester to Islip that include hotel bookings?

    Yes. In addition to deals on Rochester to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rochester to Islip?

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

  • Can I find deals for business class flights from Rochester to Islip?

    Yes. Cheapflights offers flight deals from Rochester 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 Rochester to Islip, New York?

    Currently, March is the cheapest month in which you can book a flight from Rochester to Islip, New York (average of $58). Flying from Rochester to Islip, New York in June is currently the most expensive (average of $93). 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 Islip?

Book flights to Islip if you plan to visit one of these locations
Riverhead

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 for Rochester to Islip

See prices for flight routes from nearby airports that may be better suited for you.
Buffalo to John F Kennedy Intl flights
Buffalo to LaGuardia flights
Rochester to John F Kennedy Intl flights
Rochester to LaGuardia flights
John F Kennedy Intl to Buffalo flights
Newark to Buffalo flights
LaGuardia to Buffalo flights
Rochester to Newark flights
Buffalo to Newark flights
Syracuse to John F Kennedy Intl flights
John F Kennedy Intl to Rochester flights
LaGuardia to Rochester flights
Syracuse to LaGuardia flights
Syracuse to Newark flights
LaGuardia to Syracuse flights
John F Kennedy Intl to Syracuse flights
Newark to Syracuse flights
Newark to Rochester flights
White Plains to Buffalo flights
Albany to LaGuardia flights
Albany to John F Kennedy Intl flights
Albany to Newark flights
Buffalo to White Plains flights
Ithaca to LaGuardia flights
Ithaca to John F Kennedy Intl flights
John F Kennedy Intl to Albany flights
Newark to Ithaca flights
John F Kennedy Intl to Ithaca flights
Ithaca to Newark flights
LaGuardia to Ithaca flights
Syracuse to Stewart flights
John F Kennedy Intl to Saranac Lake flights
Newark to Albany flights
LaGuardia to Albany flights
Stewart to Rochester flights
Islip to Buffalo flights
Rochester to White Plains flights
Albany to Buffalo flights
John F Kennedy Intl to White Plains flights
Buffalo to Albany flights
Saranac Lake to John F Kennedy Intl flights
John F Kennedy Intl to Rutland flights
Albany to Islip flights
Newark to White Plains flights
LaGuardia to White Plains flights
Buffalo to Syracuse flights
Newark to Niagara Falls flights
White Plains to Newark flights
Syracuse to Buffalo flights

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 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$262Average$334FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.