Cheap flights from Atlanta to Islip (ATL - ISP) from $66

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 5/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ATL — ISP
Mar 24 — Mar 311

The best prices from Atlanta Hartsfield-Jackson to Islip Long Island are usually found in October or April, booked 25 days in advance, depart on a Monday or Tuesday and return on a Saturday

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 March 19, 2024.

Popular in

March

Cheapest in

October

Round-trip from

$214

One-way from

$70
High demand for flights, 33% potential price rise
Best time to find cheap flights, 32% potential price drop
From Atlanta Hartsfield-Jackson to Islip Long Island
One-way flight from Atlanta Hartsfield-Jackson to Islip Long Island

What is the cheapest day to fly round-trip from Atlanta to Islip, New York?

Flying to your destination on a Thursday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Islip, New York. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from Atlanta to Islip, New York?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 31 days in advance, which can save you up to 102% on flights from Atlanta to Islip, New York compared to booking the week you need them. Waiting 31 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $190. For sooner than that we have options available in the next 3 days from $318.

What is the cheapest month to fly from Atlanta to Islip, New York?

Our data shows that January tends to be the cheapest month to fly to Islip, New York from Atlanta. Users have commonly found prices around $185 for the month, but tickets can be as low as $60. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from Atlanta to Islip, New York (ATL - ISP)?

A simple way to save on the total cost of your ticket is to fly from Atlanta to Islip, New York in the afternoon. If you’re flexible enough to do this you can expect to save up to 21% on your trip compared to booking a flight in the morning.

Cheap Frontier flights from Atlanta to Islip

Explore cheap flight options specifically provided by Frontier for the route between Atlanta and Islip. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Thu 5/163:57 pmATL - ISP
Nonstop2h 22mFrontier
Tue 5/213:03 pmISP - ATL
Nonstop2h 29mFrontier
Deal found 3/18$66
Sat 5/119:35 pmATL - ISP
1 stop11h 08mFrontier
Tue 5/213:03 pmISP - ATL
Nonstop2h 29mFrontier
Deal found 3/18$99
Sat 5/1810:11 pmATL - ISP
1 stop11h 53mFrontier
Tue 5/213:03 pmISP - ATL
Nonstop2h 29mFrontier
Deal found 3/18$105
Thu 6/133:57 pmATL - ISP
Nonstop2h 22mFrontier
Tue 6/183:03 pmISP - ATL
Nonstop2h 29mFrontier
Deal found 3/18$123
Fri 4/1210:14 pmATL - ISP
1 stop10h 29mFrontier
Sun 4/149:51 pmISP - ATL
1 stop10h 34mFrontier
Deal found 3/18$140
Fri 4/510:30 amATL - ISP
1 stop10h 01mFrontier
Sat 4/137:39 pmISP - ATL
1 stop12h 46mFrontier
Deal found 3/17$148
Sat 5/119:35 pmATL - ISP
1 stop11h 08mFrontier
Tue 5/219:45 pmISP - ATL
1 stop11h 58mFrontier
Deal found 3/18$150
Fri 5/174:28 pmATL - ISP
1 stop15h 58mFrontier
Mon 5/205:25 pmISP - ATL
1 stop16h 18mFrontier
Deal found 3/18$154
Wed 5/294:28 pmATL - ISP
1 stop15h 58mFrontier
Fri 5/319:55 amISP - ATL
1 stop22h 26mFrontier
Deal found 3/18$159

Cheap Atlanta to Islip flights in March & April 2024

Find cheap flight options from Atlanta to Islip specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Prices were last updated on March 19, 2024.
Fri 4/1210:14 pmATL - ISP
1 stop10h 29mFrontier
Sun 4/149:51 pmISP - ATL
1 stop10h 34mFrontier
Deal found 3/18$140
Fri 4/510:30 amATL - ISP
1 stop10h 01mFrontier
Sat 4/137:39 pmISP - ATL
1 stop12h 46mFrontier
Deal found 3/17$148
Tue 4/169:23 amATL - ISP
1 stop7h 42mMultiple Airlines
Tue 4/239:50 pmISP - ATL
1 stop9h 20mMultiple Airlines
Deal found 3/17$156
Fri 4/56:00 amATL - ISP
1 stop14h 31mFrontier
Sun 4/79:40 pmISP - ATL
1 stop26h 57mFrontier
Deal found 3/18$163
Tue 4/910:05 amATL - ISP
1 stop7h 43mFrontier
Tue 4/169:50 pmISP - ATL
1 stop9h 20mFrontier
Deal found 3/18$169
Fri 4/122:23 pmATL - ISP
1 stop7h 09mMultiple Airlines
Sun 4/147:31 pmISP - ATL
2 stops12h 27mMultiple Airlines
Deal found 3/18$177
Tue 4/169:23 amATL - ISP
1 stop7h 42mMultiple Airlines
Tue 4/239:50 pmISP - ATL
2 stops13h 08mMultiple Airlines
Deal found 3/17$178
Tue 4/239:42 pmATL - ISP
1 stop11h 01mFrontier
Thu 4/259:51 pmISP - ATL
1 stop10h 34mFrontier
Deal found 3/18$189
Thu 3/212:35 pmATL - ISP
1 stop17h 09mFrontier
Mon 3/255:27 pmISP - ATL
1 stop20h 53mFrontier
Deal found 3/17$195

Atlanta to Islip 2024 flight deals

Discover exclusive flight deals for travel between Atlanta and Islip in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Thu 5/163:57 pmATL - ISP
Nonstop2h 22mFrontier
Tue 5/213:03 pmISP - ATL
Nonstop2h 29mFrontier
Deal found 3/18$66
Sat 5/119:35 pmATL - ISP
1 stop11h 08mFrontier
Tue 5/213:03 pmISP - ATL
Nonstop2h 29mFrontier
Deal found 3/18$99
Sat 5/1810:11 pmATL - ISP
1 stop11h 53mFrontier
Tue 5/213:03 pmISP - ATL
Nonstop2h 29mFrontier
Deal found 3/18$105
Thu 6/133:57 pmATL - ISP
Nonstop2h 22mFrontier
Tue 6/183:03 pmISP - ATL
Nonstop2h 29mFrontier
Deal found 3/18$123
Fri 4/1210:14 pmATL - ISP
1 stop10h 29mFrontier
Sun 4/149:51 pmISP - ATL
1 stop10h 34mFrontier
Deal found 3/18$140
Fri 4/510:30 amATL - ISP
1 stop10h 01mFrontier
Sat 4/137:39 pmISP - ATL
1 stop12h 46mFrontier
Deal found 3/17$148
Sat 5/119:35 pmATL - ISP
1 stop11h 08mFrontier
Tue 5/219:45 pmISP - ATL
1 stop11h 58mFrontier
Deal found 3/18$150
Fri 5/174:28 pmATL - ISP
1 stop15h 58mFrontier
Mon 5/205:25 pmISP - ATL
1 stop16h 18mFrontier
Deal found 3/18$154
Tue 4/169:23 amATL - ISP
1 stop7h 42mMultiple Airlines
Tue 4/239:50 pmISP - ATL
1 stop9h 20mMultiple Airlines
Deal found 3/17$156

Non-stop flights to Islip from Atlanta

Discover non-stop flight options from Atlanta to Islip. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Thu 5/163:57 pmATL - ISP
Nonstop2h 22mFrontier
Tue 5/213:03 pmISP - ATL
Nonstop2h 29mFrontier
Deal found 3/18$66
Thu 6/133:57 pmATL - ISP
Nonstop2h 22mFrontier
Tue 6/183:03 pmISP - ATL
Nonstop2h 29mFrontier
Deal found 3/18$123
Sun 7/283:57 pmATL - ISP
Nonstop2h 22mFrontier
Thu 8/111:34 amISP - ATL
Nonstop2h 28mFrontier
Deal found 3/18$156

One-way flights to Islip from Atlanta

Search for one-way flight options from Atlanta to Islip. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Fri 4/122:23 pmATL - ISP
1 stop7h 09mFrontier
Deal found 3/18$70
Sat 3/309:58 pmATL - ISP
1 stop10h 13mFrontier
Deal found 3/18$76
Sun 8/253:57 pmATL - ISP
Nonstop2h 22mFrontier
Deal found 3/17$104
Sun 6/233:57 pmATL - ISP
Nonstop2h 22mFrontier
Deal found 3/18$118
Sun 6/238:55 pmATL - ISP
1 stop11h 31mFrontier
Deal found 3/18$155
Fri 3/2910:30 amATL - ISP
1 stop6h 40mFrontier
Deal found 3/18$219
Sun 3/3110:05 amATL - ISP
1 stop10h 42mFrontier
Deal found 3/18$225
Sun 8/252:05 pmATL - ISP
1 stop6h 40mFrontier
Deal found 3/17$339
Sat 3/2310:13 amATL - ISP
1 stop6h 57mFrontier
Deal found 3/18$579

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 3,145,932 searches. Data last updated March 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$66 - $178

Route

Depart

Return

Price

Atlanta Hartsfield-JacksonIslip Long Island

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Thu 5/16

Nonstop2h 22m

Islip Long Island

Tue 5/21

Nonstop2h 29m

$66

Atlanta Hartsfield-JacksonIslip Long Island

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Sat 5/11

1 stop11h 08m

Islip Long Island

Tue 5/21

Nonstop2h 29m

$99

Atlanta Hartsfield-JacksonIslip Long Island

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Sat 5/18

1 stop11h 53m

Islip Long Island

Tue 5/21

Nonstop2h 29m

$105

Atlanta Hartsfield-JacksonIslip Long Island

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Thu 6/13

Nonstop2h 22m

Islip Long Island

Tue 6/18

Nonstop2h 29m

$123

Atlanta Hartsfield-JacksonIslip Long Island

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Fri 4/12

1 stop10h 29m

Islip Long Island

Sun 4/14

1 stop10h 34m

$140

Atlanta Hartsfield-JacksonIslip Long Island

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Fri 4/5

1 stop10h 01m

Islip Long Island

Sat 4/13

1 stop12h 46m

$148

Atlanta Hartsfield-JacksonIslip Long Island

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Tue 4/16

1 stop7h 42m

Islip Long Island

Tue 4/23

1 stop9h 20m

$156

Atlanta Hartsfield-JacksonIslip Long Island

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Fri 4/12

1 stop7h 09m

Islip Long Island

Sun 4/14

2 stops12h 27m

$177

Atlanta Hartsfield-JacksonIslip Long Island

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Tue 4/16

1 stop7h 42m

Islip Long Island

Tue 4/23

2 stops13h 08m

$178

Flights are sorted by cheapest first

Deals found on 3/18

When is the best time to book a flight from Atlanta to Islip, New York?

Use this chart to determine the optimal time to book a round-trip flight from Atlanta to Islip. Price data was last updated on January 28, 2024.
The best time to book flights from Atlanta to Islip, New York is 25 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time to fly from Atlanta to Islip, New York?

Use this chart to determine the cheapest time to fly round-trip from Atlanta to Islip. Price data was last updated on March 17, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Atlanta to Islip, New York flight should consider departing on Monday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Islip by month

Plan your trip from Atlanta to Islip by taking into account the cheapest months to travel. The average price of a one-way flight from Atlanta to Islip is currently $209 while a round-trip flight costs $132. Price data was last updated on March 10, 2024.

Currently, December is the cheapest month in which you can book a flight from Atlanta to Islip, New York (average of $78). Flying from Atlanta to Islip, New York in February is currently the most expensive (average of $151). 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.

January

$101

February

$151

March

$123

April

$139

May

$126

June

$135

July

$142

August

$110

September

$90

October

$96

November

$88

December

$78

Temperature and rainfall in Islip by month

Plan your trip to Islip by taking into account the average temperature and rainfall totals by month.

NYC

Temperature

33.8 - 77 °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 March 19, 2024.
6.4
Okay
4,328 reviews

Entertainment

5.0

Boarding

6.7

Comfort

5.9

Food

5.3

Overall

6.4

Crew

7.2

Reviews

1 / 10

Worst flight I have ever taken. Don’t fly with this airline

6.4
Okay
4,328 reviews
6.4
Okay
4,328 reviews

Entertainment

5.0

Boarding

6.7

Comfort

5.9

Food

5.3

Overall

6.4

Crew

7.2

Reviews

1 / 10

Worst flight I have ever taken. Don’t fly with this airline

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.
  • Can I find flights from Atlanta to Islip, New York for under $100 on Cheapflights?

    Yes, there are multiple flights from Atlanta to Islip, New York for under $100. The cheapest flight booked recently is on Frontier for just $66, but on average you can expect to pay $165.

  • Are there nonstop flights from Atlanta to Islip, New York for under $100 on Cheapflights?

    Cheapflights has at least 3 direct flights from Atlanta to Islip, New York under $100. A good price for a nonstop flight from Atlanta to Islip, New York is less than $115.

  • What is the cheapest airline to fly from Atlanta to Islip, New York round-trip?

    Flying on Frontier is currently your cheapest option to Islip, New York, with prices starting at $66. You may be able to fly from Atlanta to Islip, New York for 69% less than the average price by searching for this airline.

  • What does ATL to ISP mean?

    ATL stands for Atlanta Hartsfield-Jackson Airport, while ISP stands for Islip Long Island Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

See more FAQs

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.

Top airline flying from Atlanta to Islip

Discover the top airline 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 3,145,932 searches. Data last updated March 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$114Average$194FlexibilityNo cancel feeOn-time62%
Search Frontier flights

Search flights from Atlanta to Islip by cabin class

Find flights from Atlanta to Islip, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Weekly flight availability from Atlanta to Islip

Explore weekly flight availability from Atlanta to Islip. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 19, 2024.
Sunday1daily flight
Monday0daily flights
Tuesday0daily flights
Wednesday0daily flights
Thursday0daily flights
Friday0daily flights
Saturday0daily flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Atlanta to Islip?

When you search for this flight from Atlanta to Islip, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Atlanta to Islip?

Millions of users choose and trust Cheapflights to book the best flight deals from Atlanta to Islip for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Atlanta to Islip with no change fees?

Yes, we can. To see specific flights from Atlanta to Islip with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Atlanta to Islip become cheaper?

Yes, Cheapflights offers price alerts on Atlanta to Islip flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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.