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Islip

$80+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — ISP
abr. 9 — abr. 161
jue. 4/9
jue. 4/16
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 marzo 10, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
jue. 4/26:00 am
ATL
-
ISP
1 stop9h 10m
Frontier
lun. 4/137:34 pm
ISP
-
ATL
1 stop20h 58m
Frontier
Deal found 3/6$137
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
jue. 4/26:00 am
ATL
-
ISP
1 stop9h 10m
Multiple Airlines
dom. 4/127:59 pm
ISP
-
ATL
1 stop14h 06m
Multiple Airlines
Deal found 3/6$149
This CheapOair deal was found by Cheapflights users on 3/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/236:00 am
ATL
-
ISP
1 stop13h 36m
Frontier
lun. 4/274:07 pm
ISP
-
ATL
1 stop24h 25m
Frontier
Deal found 3/6$160
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
sáb. 4/410:50 pm
ATL
-
ISP
2 stops12h 25m
Multiple Airlines
lun. 4/137:34 pm
ISP
-
ATL
1 stop14h 31m
Multiple Airlines
Deal found 3/6$165
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
sáb. 4/410:45 pm
ATL
-
ISP
1 stop12h 28m
Frontier
lun. 4/137:34 pm
ISP
-
ATL
1 stop20h 58m
Frontier
Deal found 3/6$171
This CheapOair deal was found by Cheapflights users on 3/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/19:05 am
ATL
-
ISP
1 stop24h 03m
Frontier
mié. 6/1010:03 am
ISP
-
ATL
1 stop11h 39m
Frontier
Deal found 3/7$175
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
sáb. 4/410:50 pm
ATL
-
ISP
2 stops12h 25m
Multiple Airlines
dom. 4/127:59 pm
ISP
-
ATL
1 stop14h 06m
Multiple Airlines
Deal found 3/6$176
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
mié. 4/16:00 am
ATL
-
ISP
1 stop13h 59m
Multiple Airlines
lun. 4/137:34 pm
ISP
-
ATL
1 stop14h 31m
Multiple Airlines
Deal found 3/6$177
This CheapOair deal was found by Cheapflights users on 3/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/306:00 am
ATL
-
ISP
1 stop27h 13m
Frontier
dom. 5/38:31 pm
ISP
-
ATL
1 stop14h 26m
Frontier
Deal found 3/10$180
This Frontier deal was found by Cheapflights users on 3/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/910:45 pm
ATL
-
ISP
1 stop10h 28m
Frontier
dom. 5/104:07 pm
ISP
-
ATL
1 stop7h 27m
Frontier
Deal found 3/8$181
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
jue. 4/210:45 pm
ATL
-
ISP
1 stop12h 11m
Multiple Airlines
sáb. 4/1111:50 am
ISP
-
ATL
1 stop11h 27m
Multiple Airlines
Deal found 3/6$186

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 marzo 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$137
(Kiwi.com)

One-way from

$80
(Frontier)

Popular in

April

Cheapest in

February

Average price

$199

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. 28% potential increase in price ($116 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a one-way flight from Atlanta Hartsfield-Jackson to Islip Long Island.
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 marzo 10, 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

lun. 6/1

9:05 am-9:08 am

1 stop24h 03m

Islip Long Island

mié. 6/10

10:03 am-9:42 pm

1 stop11h 39m

$175

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

sáb. 5/9

10:45 pm-9:13 am

1 stop10h 28m

Islip Long Island

dom. 5/10

4:07 pm-11:34 pm

1 stop7h 27m

$181

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

mié. 4/1

10:50 pm-11:15 am

2 stops12h 25m

Islip Long Island

lun. 4/13

7:34 pm-10:05 am

1 stop14h 31m

$183

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

dom. 4/5

6:00 am-11:13 am

1 stop5h 13m

Islip Long Island

dom. 4/12

7:59 pm-11:40 pm

1 stop27h 41m

$195

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

vie. 4/17

10:50 pm-11:10 am

2 stops12h 20m

Islip Long Island

dom. 4/19

4:07 pm-7:59 am

1 stop15h 52m

$196

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

mié. 5/20

10:45 pm-9:08 am

1 stop10h 23m

Islip Long Island

mié. 5/27

10:03 am-9:42 pm

1 stop11h 39m

$215

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

vie. 4/17

8:25 am-7:36 pm

1 stop11h 11m

Islip Long Island

dom. 4/19

8:31 pm-9:46 pm

1 stop25h 15m

$215

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

dom. 6/7

10:45 pm-9:08 am

1 stop10h 23m

Islip Long Island

mié. 6/24

10:03 am-11:06 am

1 stop25h 03m

$268

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

dom. 6/7

10:45 pm-9:08 am

1 stop10h 23m

Islip Long Island

sáb. 6/20

10:03 am-9:42 pm

1 stop11h 39m

$272

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

jue. 3/26

8:24 am-10:13 am

1 stop25h 49m

Islip Long Island

sáb. 3/28

10:43 am-9:40 pm

1 stop10h 57m

$280

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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

Cheapflights Insights

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

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

Currently, October is the cheapest month in which you can book a flight from Atlanta to Islip, New York (average of $20). Flying from Atlanta to Islip, New York in July is currently the most expensive (average of $88). 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.

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 marzo 10, 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
4,317 reviews

Overall

8.0

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
Southwest
8.0
Very good
4,317 reviews
Southwest
8.0
Very good
4,317 reviews

Overall

8.0

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
Frontier
5.7
Fair
3,033 reviews
Southwest
8.0
Very good
4,317 reviews

Overall

8.0

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

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?

    Frontier can get you from Atlanta to Islip, New York in just under 24h 03m. Your travel time can differ by up to . The distance between Atlanta and Islip, New York is about 793 mi.

  • 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 $286 round trip. You may be able to fly from Atlanta to Islip, New York for 93% less than the average price by searching for these airlines.

  • 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 $160 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, October is the cheapest month in which you can book a flight from Atlanta to Islip, New York (average of $20). Flying from Atlanta to Islip, New York in July is currently the most expensive (average of $88). 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
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Alternative routes for Atlanta to Islip

See prices for flight routes from nearby airports that may be better suited for you.
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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 marzo 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$20Average$178FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$286Average$416FlexibilityNo cancel feeOn-time63%

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