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Islip

$64+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — ISP
feb. 25 — mar. 41
mié. 2/25
mié. 3/4
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 enero 26, 2026.

This CheapOair deal was found by Cheapflights users on 1/25. 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.
mié. 2/2510:49 pm
ATL
-
ISP
1 stop17h 33m
Frontier
mié. 3/49:33 am
ISP
-
ATL
1 stop12h 13m
Frontier
Deal found 1/25$138
This Frontier deal was found by Cheapflights users on 1/25. 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.
jue. 2/269:52 am
ATL
-
ISP
1 stop6h 30m
Frontier
lun. 3/23:34 pm
ISP
-
ATL
1 stop6h 13m
Frontier
Deal found 1/25$148
This CheapOair deal was found by Cheapflights users on 1/24. 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.
mié. 2/2510:49 pm
ATL
-
ISP
1 stop17h 33m
Frontier
dom. 3/15:07 pm
ISP
-
ATL
1 stop14h 07m
Frontier
Deal found 1/24$179
This Frontier deal was found by Cheapflights users on 1/24. 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.
mar. 4/78:23 am
ATL
-
ISP
1 stop12h 29m
Frontier
jue. 4/164:07 pm
ISP
-
ATL
1 stop7h 27m
Frontier
Deal found 1/24$181
This CheapOair deal was found by Cheapflights users on 1/25. 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.
sáb. 2/144:54 pm
ATL
-
ISP
1 stop23h 18m
Frontier
vie. 2/208:33 am
ISP
-
ATL
1 stop22h 31m
Frontier
Deal found 1/25$195
This CheapOair deal was found by Cheapflights users on 1/25. 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. 3/55:15 am
ATL
-
ISP
1 stop9h 24m
Frontier
lun. 3/91:22 pm
ISP
-
ATL
1 stop10h 11m
Frontier
Deal found 1/25$198
This Kiwi.com deal was found by Cheapflights users on 1/25. 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. 3/1110:45 pm
ATL
-
ISP
1 stop17h 28m
Multiple Airlines
mié. 3/1811:50 am
ISP
-
ATL
2 stops10h 00m
Multiple Airlines
Deal found 1/25$207
This Kiwi.com deal was found by Cheapflights users on 1/24. 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.
dom. 2/19:06 am
ATL
-
ISP
1 stop9h 40m
Multiple Airlines
vie. 2/62:31 pm
ISP
-
ATL
1 stop17h 15m
Multiple Airlines
Deal found 1/24$211
This Frontier deal was found by Cheapflights users on 1/24. 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.
mar. 4/78:23 am
ATL
-
ISP
1 stop12h 29m
Frontier
dom. 4/128:36 pm
ISP
-
ATL
1 stop10h 26m
Frontier
Deal found 1/24$216
This Frontier deal was found by Cheapflights users on 1/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/268:14 am
ATL
-
ISP
1 stop7h 59m
Frontier
lun. 3/3010:58 am
ISP
-
ATL
1 stop10h 57m
Frontier
Deal found 1/23$218
This CheapOair deal was found by Cheapflights users on 1/25. 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.
vie. 2/273:48 pm
ATL
-
ISP
1 stop19h 18m
Frontier
dom. 3/15:07 pm
ISP
-
ATL
1 stop14h 07m
Frontier
Deal found 1/25$230

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 enero 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$138
(CheapOair)

One-way from

$64
(CheapOair)

Popular in

January

Cheapest in

September

Average price

$572

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. 10% potential increase in price ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 enero 26, 2026.
Use the filters below to find and compare flights from Atlanta to Islip that are best for you.

Fly from

Atlanta

Fly to

Islip

Route

Depart

Return

Price

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

jue. 2/26

9:52 am-4:22 pm

1 stop6h 30m

Islip Long Island

lun. 3/2

3:34 pm-9:47 pm

1 stop6h 13m

$148

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

jue. 2/26

9:52 am-4:22 pm

1 stop6h 30m

Islip Long Island

sáb. 2/28

8:23 pm-7:04 am

1 stop10h 41m

$148

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

mié. 2/25

10:49 pm-4:22 pm

1 stop17h 33m

Islip Long Island

dom. 3/1

5:07 pm-7:14 am

1 stop14h 07m

$179

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

mar. 4/7

8:23 am-8:52 pm

1 stop12h 29m

Islip Long Island

jue. 4/16

4:07 pm-11:34 pm

1 stop7h 27m

$181

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

mar. 4/7

8:23 am-8:52 pm

1 stop12h 29m

Islip Long Island

lun. 4/13

4:01 pm-11:34 pm

1 stop7h 33m

$181

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

sáb. 2/14

4:54 pm-4:12 pm

1 stop23h 18m

Islip Long Island

vie. 2/20

8:33 am-7:04 am

1 stop22h 31m

$195

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

mié. 3/11

10:45 pm-4:13 pm

1 stop17h 28m

Islip Long Island

mié. 3/18

11:50 am-9:50 pm

2 stops10h 00m

$207

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

mar. 4/7

8:23 am-8:52 pm

1 stop12h 29m

Islip Long Island

dom. 4/12

8:36 pm-7:02 am

1 stop10h 26m

$216

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

mar. 4/7

8:23 am-8:52 pm

1 stop12h 29m

Islip Long Island

vie. 4/17

4:07 pm-11:34 pm

1 stop7h 27m

$216

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

jue. 3/26

8:14 am-4:13 pm

1 stop7h 59m

Islip Long Island

lun. 3/30

10:58 am-9:55 pm

1 stop10h 57m

$218

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/23

Showing 1-10 of 21 results
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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 January.
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 enero 26, 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
4,268 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

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
8.0
Very good
4,268 reviews
Southwest
8.0
Very good
4,268 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

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
Frontier
5.7
Fair
3,058 reviews
Southwest
8.0
Very good
4,268 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

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 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 6h 30m. 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 $57. 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 82% 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 $138 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?

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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 enero 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$57Average$158FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$286Average$409FlexibilityNo cancel feeOn-time63%

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