HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Islip

$110+ Cheap flights from Atlanta to Islip, NY (ATL - 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — ISP
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Atlanta 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 Atlanta to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Atlanta (ATL) 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 febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$194
(Mytrip)

One-way from

$123
(Cheapflightsfares)

Popular in

December

Cheapest in

June

Average price

$372

Good one-way deal

$124 or less
Provider with most accurate pricing for Atlanta Hartsfield-Jackson-Islip Long Island flight deals.
Search Deals
Provider most trusted by Cheapflights users for Atlanta Hartsfield-Jackson-Islip Long Island flights.
Search Deals
From Atlanta Hartsfield-Jackson to Islip Long Island
Search Deals
One-way flight from Atlanta Hartsfield-Jackson to Islip Long Island
Search Deals
Highest demand for flights based on searches. 34% potential increase in price ($119 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals
Price to beat on a one-way flight from Atlanta Hartsfield-Jackson to Islip Long Island.
Search Deals

Find flight deals from Atlanta to Islip

Cheapest flights from Atlanta to Islip
Explore the most affordable flight options available from Atlanta to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 20, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 2/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/2312:22 pmATL - ISP
Nonstop2h 21mFrontier
mié. 5/283:46 pmISP - ATL
Nonstop2h 45mFrontier
Deal found 2/18$110
This Mytrip deal was found by Cheapflights users on 2/19. 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.
mié. 3/198:05 amATL - ISP
2 stops26h 06mMultiple Airlines
mié. 3/262:35 pmISP - ATL
2 stops10h 15mMultiple Airlines
Deal found 2/19$179
This Southwest deal was found by Cheapflights users on 2/18. 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.
jue. 3/277:10 amATL - ISP
1 stop3h 35mSouthwest
lun. 4/710:20 amISP - ATL
2 stops9h 45mSouthwest
Deal found 2/18$336

Find flights from Atlanta to Islip within your budget

Customize your flight search to find flights from Atlanta 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 febrero 20, 2025.

Fly from

Atlanta

Fly to

Islip

Route

Depart

Return

Price

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

vie. 3/7

8:58 am-8:07 am

1 stop23h 09m

Islip Long Island

mar. 3/11

9:04 pm-5:32 pm

1 stop20h 28m

$127

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

mié. 3/19

8:05 am-10:11 am

2 stops26h 06m

Islip Long Island

mié. 3/26

2:35 pm-12:50 am

2 stops10h 15m

$179

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

jue. 3/27

7:10 am-10:45 am

1 stop3h 35m

Islip Long Island

lun. 4/7

10:20 am-8:05 pm

2 stops9h 45m

$336

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

jue. 5/15

9:14 am-3:33 pm

1 stop6h 19m

$123

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

lun. 5/19

2:55 pm-11:05 pm

2 stops8h 10m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Compare providers for flights from Atlanta 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 Atlanta to Islip in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 Atlanta-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 Atlanta-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Atlanta-Islip, New York flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Atlanta-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 Atlanta-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 Atlanta to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Atlanta 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.

Travel insights for flights from Atlanta to Islip

Get recent, data-driven insights about flights from Atlanta to Islip including ideal travel times, pricing trends, and more.

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

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

Find hourly flight availability from Atlanta 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 febrero 20, 2025.

A simple way to save on the total cost of your ticket is to fly from Atlanta to Islip, New York in the morning. If you’re flexible enough to do this you can expect to save up to 72% on your trip compared to booking a flight at noon.

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 febrero 20, 2025.
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Frontier
6.0
Okay
3,355 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Related info for your journey

Find useful and relevant information for your journey from Atlanta to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Atlanta to Islip, New York round-trip?

    Flying on Frontier is currently your cheapest option to Islip, New York, with prices starting at $253. Another option worth looking into is Southwest, starting at $298 round trip.

  • What are the cheapest flights from Atlanta to Islip, New York?

    While on average a flight from Atlanta to Islip, New York is generally $124, our data shows the cheapest flight currently is $124. When looking at the most popular route, (Atlanta Hartsfield-Jackson - Islip Long Island), you can expect to pay $73 for that flight.

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

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

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

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

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

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

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

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

See prices for flight routes from nearby airports that may be better suited for you.
Atlanta to John F Kennedy Intl flights
Atlanta to Newark flights
Atlanta to LaGuardia flights
Jacksonville to Newark flights
Jacksonville to John F Kennedy Intl flights
Jacksonville to LaGuardia flights
Atlanta to Buffalo flights
Savannah to John F Kennedy Intl flights
Savannah to Newark flights
Asheville to LaGuardia flights
Chattanooga to LaGuardia flights
Asheville to Newark flights
Asheville to John F Kennedy Intl flights
Atlanta to Albany flights
Chattanooga to John F Kennedy Intl flights
Savannah to LaGuardia flights
Atlanta to Syracuse flights
Chattanooga to Newark flights
Atlanta to Rochester flights
Atlanta to White Plains flights
Augusta to John F Kennedy Intl flights
Atlanta to Stewart flights
Jacksonville to Buffalo flights
Jacksonville to Syracuse flights
Augusta to Newark flights
Augusta to LaGuardia flights
Jacksonville to Rochester flights
Tallahassee to John F Kennedy Intl flights
Tallahassee to Newark flights
Jacksonville to White Plains flights
Jacksonville to Albany flights
Tallahassee to LaGuardia flights
Asheville to Albany flights
Jacksonville to Islip flights
Valdosta to John F Kennedy Intl flights
Valdosta to Newark flights
Savannah to White Plains flights
Savannah to Albany flights
Asheville to Rochester flights
Savannah to Buffalo flights
Savannah to Syracuse flights
Chattanooga to Syracuse flights
Valdosta to LaGuardia flights
Brunswick to Newark flights
Asheville to Buffalo flights
Columbus to LaGuardia flights
Atlanta to Rutland flights
Jacksonville to Stewart flights
Augusta to Buffalo flights

Top 2 airlines flying from Atlanta to Islip

Discover the top 2 airlines that operate flights from Atlanta 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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$142FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$324Average$404FlexibilityNo 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.