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 $200. Another option worth looking into is Southwest, starting at $292 round trip. You may be able to fly from Atlanta to Islip, New York for 21% less than the average price by searching for these airlines.

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

Travelers seeking maximum savings on their Atlanta to Islip, New York flight should consider departing on Tuesday mornings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 $184 for that flight.

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

Flying to your destination on a Tuesday 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 71% 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 $130. For sooner than that we have options available in the next 3 days from $245.

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

Our data shows that September tends to be the cheapest month to fly to Islip, New York from Atlanta. Users have commonly found prices around $161 for the month, but tickets can be as low as $43. Due to multiple factors, prepare for potentially higher prices in December.

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.

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.

$92+ Flights from Atlanta to Islip, NY

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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.

Cheapflights Tip: The best prices from Atlanta Hartsfield-Jackson to Islip Long Island are usually found in May or June, booked 77 days in advance, depart on a Monday or Wednesday and return on a Friday

Cheap flight deals from Atlanta to Islip

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$184 (Trip.com)
One-way from	$92 (Trip.com)
Popular in	December
Cheapest in	May
Average price	$359
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. 27% potential increase in price ($97 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($14 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 April 11, 2025.

Thu 5/159:16 amATL - ISP

1 stop8h 42mMultiple Airlines

Mon 5/1911:02 amISP - ATL

1 stop13h 32mMultiple Airlines

Deal found 4/9

$184

Wed 4/307:00 pmATL - ISP

1 stop20h 33mFrontier

Tue 5/67:15 pmISP - ATL

1 stop16h 32mFrontier

Deal found 4/8

$200

Wed 4/304:30 pmATL - ISP

1 stop3h 50mSouthwest

Tue 5/66:10 amISP - ATL

2 stops7h 00mSouthwest

Deal found 4/8

$292

Mon 10/201:10 pmATL - ISP

1 stop8h 30mJetBlue

Wed 10/226:00 amISP - ATL

1 stop6h 15mJetBlue

Deal found 4/10

$454

Best flights from Atlanta to Islip
Discover carefully curated flight deals from Atlanta to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 11, 2025.

Thu 5/159:16 amATL - ISP

1 stop8h 42mMultiple Airlines

Mon 5/1911:02 amISP - ATL

1 stop13h 32mMultiple Airlines

Deal found 4/9

$184

Wed 4/307:00 pmATL - ISP

1 stop20h 33mFrontier

Tue 5/67:15 pmISP - ATL

1 stop16h 32mFrontier

Deal found 4/8

$200

Wed 4/304:30 pmATL - ISP

1 stop3h 50mSouthwest

Tue 5/66:10 amISP - ATL

2 stops7h 00mSouthwest

Deal found 4/8

$292

Last-minute flights from Atlanta to Islip
Discover last-minute flight deals from Atlanta to Islip. Data last updated April 11, 2025 and is based on user searches.

Wed 4/168:50 amATL - ISP

1 stop23h 20mMultiple Airlines

Wed 4/2310:50 amISP - ATL

1 stop12h 26mMultiple Airlines

Deal found 4/9

$231

Wed 4/168:50 amATL - ISP

1 stop9h 28mFrontier

Sun 4/209:04 pmISP - ATL

1 stop11h 46mFrontier

Deal found 4/9

$250

Fri 4/188:35 amATL - ISP

2 stops8h 50mSouthwest

Wed 4/238:20 amISP - ATL

1 stop4h 25mSouthwest

Deal found 4/9

$542

Wed 4/307:00 pmATL - ISP

1 stop20h 33mFrontier

Tue 5/67:15 pmISP - ATL

1 stop16h 32mFrontier

Deal found 4/8

$200

Wed 4/304:30 pmATL - ISP

1 stop3h 50mSouthwest

Tue 5/66:10 amISP - ATL

2 stops7h 00mSouthwest

Deal found 4/8

$292

Thu 5/159:16 amATL - ISP

1 stop8h 42mMultiple Airlines

Mon 5/1911:02 amISP - ATL

1 stop13h 32mMultiple Airlines

Deal found 4/9

$184

One-way flights from Atlanta to Islip
Search for one-way flight options from Atlanta to Islip. Find affordable one-way fares based on user searches. Data last updated April 11, 2025.

Thu 5/85:20 amATL - ISP

1 stop12h 38mMultiple Airlines

Deal found 4/10

$92

Thu 5/89:18 amATL - ISP

1 stop6h 15mFrontier

Deal found 4/10

$98

Thu 5/81:50 pmATL - ISP

2 stops6h 30mSouthwest

Deal found 4/10

$173

Cheapflights Fare Finder

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

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Thu 5/15

9:16 am-5:58 pm

1 stop8h 42m

Islip Long Island

Mon 5/19

11:02 am-12:34 am

1 stop13h 32m

$184

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Wed 4/30

7:00 pm-3:33 pm

1 stop20h 33m

Islip Long Island

Tue 5/6

7:15 pm-11:47 am

1 stop16h 32m

$200

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Wed 4/30

4:30 pm-8:20 pm

1 stop3h 50m

Islip Long Island

Tue 5/6

6:10 am-1:10 pm

2 stops7h 00m

$292

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Thu 5/8

5:20 am-5:58 pm

1 stop12h 38m

$92

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Thu 5/8

9:18 am-3:33 pm

1 stop6h 15m

$98

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Thu 5/8

1:50 pm-8:20 pm

2 stops6h 30m

$173

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Compare providers for flights from Atlanta to Islip

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Atlanta to Islip in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust 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 far ahead should I book a flight from Atlanta to Islip, New York?

The best time to book flights from Atlanta to Islip, New York is 77 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.

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?

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

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

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

To help decide which airline to fly from Atlanta to Islip, see what other customers have to say about Southwest and Frontier. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,279 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest

8.0

Very good

4,279 reviews

Southwest

8.0

Very good

4,279 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Frontier

6.0

Okay

3,277 reviews

Southwest

8.0

Very good

4,279 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

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 $200. Another option worth looking into is Southwest, starting at $292 round trip. You may be able to fly from Atlanta to Islip, New York for 21% 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 $184 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

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Top 2 airlines flying from Atlanta to Islip

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$59	Average$144	FlexibilityNo cancel fee	On-time62%
Southwest	Cheapest$324	Average$380	FlexibilityNo cancel fee	On-time63%

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$92+ 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Atlanta to Islip with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Atlanta Hartsfield-Jackson to Islip Long Island are usually found in May or June, booked 77 days in advance, depart on a Monday or Wednesday and return on a Friday

Cheap flight deals from Atlanta to Islip

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good one-way deal

Find flight deals from Atlanta to Islip

Cheapest flights from Atlanta to IslipExplore 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 April 11, 2025.

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 April 11, 2025.

Cheapflights Fare Finder

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

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 April.

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.

Cheapflights Insights

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

How far ahead should I 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 April 4, 2025.

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

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 April 11, 2025.

Rainfall in Islip by month

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

Temperature in Islip by month

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

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 April 11, 2025.

To help decide which airline to fly from Atlanta to Islip, see what other customers have to say about Southwest and Frontier. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

How can I find direct flights from Atlanta to Islip?

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

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

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Alternative routes for Atlanta to Islip

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Top 2 airlines flying from Atlanta to Islip

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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 April 11, 2025.