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Islip

$103+ Cheap flights from Atlanta to Islip, NY (ATL - 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — ISP
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
1 adult, Economy
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Cheap 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 July 23, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Fri 9/1110:48 pm
ATL
-
ISP
1 stop12h 32m
Multiple Airlines
Tue 9/151:38 pm
ISP
-
ATL
2 stops19h 24m
Multiple Airlines
Deal found 7/22$209
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:48 pm
ATL
-
ISP
1 stop12h 32m
Multiple Airlines
Sun 9/274:13 pm
ISP
-
ATL
1 stop16h 49m
Multiple Airlines
Deal found 7/19$212
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Fri 9/2510:48 pm
ATL
-
ISP
1 stop12h 32m
Multiple Airlines
Mon 9/284:13 pm
ISP
-
ATL
1 stop16h 49m
Multiple Airlines
Deal found 7/21$222
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Fri 9/1110:48 pm
ATL
-
ISP
1 stop12h 32m
Multiple Airlines
Mon 9/144:13 pm
ISP
-
ATL
1 stop16h 49m
Multiple Airlines
Deal found 7/23$225
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/109:28 am
ATL
-
ISP
1 stop25h 48m
Multiple Airlines
Tue 8/185:27 pm
ISP
-
ATL
1 stop6h 17m
Multiple Airlines
Deal found 7/20$237
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/2710:37 am
ATL
-
ISP
1 stop8h 32m
Multiple Airlines
Mon 8/3110:57 am
ISP
-
ATL
1 stop8h 27m
Multiple Airlines
Deal found 7/20$240
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 10/156:00 am
ATL
-
ISP
1 stop4h 17m
Multiple Airlines
Thu 10/157:45 pm
ISP
-
ATL
1 stop19h 15m
Multiple Airlines
Deal found 7/23$242
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:30 pm
ATL
-
ISP
2 stops17h 03m
Multiple Airlines
Tue 8/185:27 pm
ISP
-
ATL
1 stop6h 17m
Multiple Airlines
Deal found 7/19$243

Find 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 July 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$209
(Kiwi.com)

One-way from

$103
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$448
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. 32% potential increase in price ($130 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
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 July 23, 2026.
Use the filters below to find and compare flights from Atlanta to Islip that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Fri 9/25

10:48 pm-11:20 am

1 stop12h 32m

Islip Long Island

Sun 9/27

4:13 pm-9:02 am

1 stop16h 49m

$212

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Thu 9/3

10:03 am-5:10 pm

2 stops7h 07m

Islip Long Island

Mon 9/7

7:09 pm-7:10 am

1 stop12h 01m

$271

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Wed 8/19

2:45 pm-9:44 pm

1 stop6h 59m

Islip Long Island

Wed 8/26

6:00 am-1:51 pm

1 stop7h 51m

$279

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Fri 9/11

2:40 pm-10:05 pm

2 stops7h 25m

Islip Long Island

Mon 9/14

12:35 pm-8:30 pm

2 stops7h 55m

$344

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Sat 9/12

11:10 am-8:45 pm

2 stops9h 35m

Islip Long Island

Sat 9/19

11:55 am-8:50 pm

2 stops8h 55m

$366

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Mon 8/10

6:20 am-12:35 pm

2 stops6h 15m

Islip Long Island

Thu 8/13

1:15 pm-8:30 pm

2 stops7h 15m

$366

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Thu 9/24

6:20 am-12:35 pm

2 stops6h 15m

Islip Long Island

Sun 9/27

12:45 pm-8:35 pm

2 stops7h 50m

$369

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Fri 9/18

2:40 pm-10:05 pm

2 stops7h 25m

Islip Long Island

Mon 9/21

1:15 pm-8:30 pm

2 stops7h 15m

$369

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Fri 9/25

6:20 am-12:35 pm

2 stops6h 15m

Islip Long Island

Mon 9/28

12:35 pm-9:00 pm

2 stops8h 25m

$374
Quickest round-trip

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Wed 8/12

2:45 pm-9:44 pm

1 stop6h 59m

Islip Long Island

Thu 8/13

4:58 pm-11:10 pm

1 stop6h 12m

$377

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 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.

Cheapflights Insights

Everything you need to know about your flight from Atlanta to Islip

How much does it cost to fly round-trip from Atlanta to Islip, New York?

Airfare is below average for this route at the moment.

Atlanta to Islip, New York flights typically cost between $322 and $524 in September.
The cheapest round-trip price found within the last 5 days was $209 on Multiple Airlines (Sep 11-Sep 15).

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 July 23, 2026.
Get a feel of what it's like to fly with Southwest and Frontier from Atlanta to Islip by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,240 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Sharilynn,May 2024

HOU - LGA

The free WiFi was so bad, I couldn’t even watch an inflight movie.
Southwest
8.0
Very good
4,240 reviews
Southwest
8.0
Very good
4,240 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Sharilynn,May 2024

HOU - LGA

The free WiFi was so bad, I couldn’t even watch an inflight movie.
Frontier
5.6
Fair
2,770 reviews
Southwest
8.0
Very good
4,240 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Sharilynn,May 2024

HOU - LGA

The free WiFi was so bad, I couldn’t even watch an inflight movie.

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.

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

    JetBlue and Southwest can get you from Atlanta to Islip, New York in just under 6h 59m. Your travel time can differ by up to 26m. The distance between Atlanta and Islip, New York is about 793 mi. This flight may include one or multiple stops.

  • 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 $20. Another option worth looking into is Southwest, starting at $264 round trip. You may be able to fly from Atlanta to Islip, New York for 92% less than the average price by searching for these airlines.

  • 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.

See more FAQs

Traveling to a place near Islip?

Book flights to Islip if you plan to visit one of these locations
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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 July 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$20Average$142FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$264Average$419FlexibilityNo cancel feeOn-time63%

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