HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Islip

$149+ Cheap flights from Rochester to Islip (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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
ROC — ISP
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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

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 11, 2025.

Round-trip from

$239
(Southwest)

One-way from

$149
(Kiwi.com)

Popular in

November

Cheapest in

October

Average price

$189
From Rochester Greater Rochester Intl to Islip Long Island
Search Deals
One-way flight from Rochester Greater Rochester Intl to Islip Long Island
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find 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 September 11, 2025.

This Southwest deal was found by Cheapflights users on 9/9. 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 12/175:55 amROC - ISP
1 stop9h 25mSouthwest
Sun 1/115:55 amISP - ROC
1 stop6h 15mSouthwest
Deal found 9/9$239
This Southwest deal was found by Cheapflights users on 9/9. 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.
Fri 12/53:50 pmROC - ISP
1 stop6h 15mSouthwest
Sun 12/75:50 amISP - ROC
1 stop6h 40mSouthwest
Deal found 9/9$265
This Southwest deal was found by Cheapflights users on 9/11. 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 11/145:35 pmROC - ISP
1 stop6h 15mSouthwest
Sun 11/165:50 amISP - ROC
1 stop6h 40mSouthwest
Deal found 9/11$292
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Sat 10/411:40 amROC - ISP
2 stops23h 20mMultiple Airlines
Wed 10/84:58 pmISP - ROC
1 stop27h 50mMultiple Airlines
Deal found 9/9$306
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/96:20 amROC - ISP
1 stop14h 22mMultiple Airlines
Mon 10/138:47 pmISP - ROC
2 stops38h 13mMultiple Airlines
Deal found 9/8$380
This Southwest deal was found by Cheapflights users on 9/10. 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.
Sat 10/1811:55 amROC - ISP
1 stop4h 20mSouthwest
Sun 10/195:25 amISP - ROC
1 stop6h 40mSouthwest
Deal found 9/10$402

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 September 11, 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

Rochester Greater Rochester Intl

Wed 12/17

5:55 am-3:20 pm

1 stop9h 25m

Islip Long Island

Sun 1/11

5:55 am-12:10 pm

1 stop6h 15m

$239

RochesterIslip

ROC - ISP

ROCISP

Rochester Greater Rochester Intl

Fri 12/5

3:50 pm-10:05 pm

1 stop6h 15m

Islip Long Island

Sun 12/7

5:50 am-12:30 pm

1 stop6h 40m

$265

RochesterIslip

ROC - ISP

ROCISP

Rochester Greater Rochester Intl

Fri 11/14

5:35 pm-11:50 pm

1 stop6h 15m

Islip Long Island

Sun 11/16

5:50 am-12:30 pm

1 stop6h 40m

$292

RochesterIslip

ROC - ISP

ROCISP

Rochester Greater Rochester Intl

Sat 10/4

11:40 am-9:04 am

1 stop21h 24m

Islip Long Island

Wed 10/8

4:58 pm-8:48 pm

1 stop27h 50m

$323

RochesterIslip

ROC - ISP

ROCISP

Rochester Greater Rochester Intl

Thu 10/9

6:20 am-8:42 pm

1 stop14h 22m

Islip Long Island

Mon 10/13

8:47 pm-11:00 am

2 stops38h 13m

$380

RochesterIslip

ROC - ISP

ROCISP

Rochester Greater Rochester Intl

Sat 10/18

11:55 am-4:15 pm

1 stop4h 20m

Islip Long Island

Sun 10/19

5:25 am-12:05 pm

1 stop6h 40m

$402

RochesterIslip

ROC - ISP

ROCISP

Rochester Greater Rochester Intl

Wed 10/8

11:40 am-11:00 am

2 stops23h 20m

$149

RochesterIslip

ROC - ISP

ROCISP

Rochester Greater Rochester Intl

Wed 10/8

4:20 pm-10:05 pm

1 stop5h 45m

$189

RochesterIslip

ROC - ISP

ROCISP

Rochester Greater Rochester Intl

Sun 10/19

6:20 am-9:44 am

3 stops51h 24m

$198

RochesterIslip

ROC - ISP

ROCISP

Rochester Greater Rochester Intl

Wed 10/8

11:40 am-10:37 am

3 stops46h 57m

$256

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 13 results
1
2

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?

Currently, January is the cheapest month in which you can book a flight from Rochester to Islip (average of $108). Flying from Rochester to Islip 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 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 September 11, 2025.

When flying from Rochester to Islip, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 11, 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
8.0
Very good
4,248 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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?

    Southwest can get you from Rochester to Islip in just under 9h 25m. Your travel time can differ by up to . The distance between Rochester and Islip is about 285 mi.

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

    According to our current data, Southwest ($263), offers the cheapest pricing from Rochester to Islip. This flight start at 21% 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?

    Currently, January is the cheapest month in which you can book a flight from Rochester to Islip (average of $108). Flying from Rochester to Islip 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 Islip?

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

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.
LaGuardia to Buffalo flights
John F Kennedy Intl to Buffalo flights
Buffalo to John F Kennedy Intl flights
Buffalo to LaGuardia flights
Newark to Buffalo flights
Rochester to John F Kennedy Intl flights
John F Kennedy Intl to Rochester flights
LaGuardia to Rochester flights
Buffalo to Newark flights
Newark to Rochester flights
Rochester to Newark flights
Rochester to LaGuardia flights
Syracuse to John F Kennedy Intl flights
John F Kennedy Intl to Syracuse flights
Newark to Syracuse flights
Syracuse to Newark flights
Syracuse to LaGuardia flights
LaGuardia to Syracuse flights
John F Kennedy Intl to Albany flights
LaGuardia to Albany flights
John F Kennedy Intl to Ithaca flights
Newark to Albany flights
Ithaca to John F Kennedy Intl flights
Rochester to White Plains flights
LaGuardia to Ithaca flights
Ithaca to Newark flights
Ithaca to LaGuardia flights
White Plains to Buffalo flights
Islip to Buffalo flights
Newark to Ithaca flights
Newark to Niagara Falls flights
Buffalo to Albany flights
Buffalo to White Plains flights
Stewart to Rochester flights
Albany to Buffalo flights
Albany to Newark flights
Albany to John F Kennedy Intl flights
John F Kennedy Intl to Saranac Lake flights
Albany to LaGuardia flights
White Plains to Syracuse flights
Islip to Rochester flights
Syracuse to Stewart flights
White Plains to Rochester flights
Rochester to Stewart flights
Saranac Lake to John F Kennedy Intl flights
Albany to Islip flights
Syracuse to Buffalo flights
John F Kennedy Intl to Islip flights
LaGuardia to White Plains 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$263Average$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.