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Cheap flights from Atlanta to New York from $57

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Atlanta to New York departing on 1/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Atlanta to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:46 pm - 10:40 am
ATL
-
ISP
13h 54m1 stop
Frontier Logo
1:10 pm - 9:12 pm
ISP
-
ATL
8h 02m1 stop
$123Frontier
Tue, Feb 10 - Fri, Feb 27
Frontier Logo
8:46 pm - 10:40 am
ATL
-
ISP
13h 54m1 stop
Frontier Logo
7:41 pm - 7:32 am
ISP
-
ATL
11h 51m1 stop
$124Frontier
Tue, Feb 10 - Wed, Feb 25
Frontier Logo
7:56 pm - 8:40 am
ATL
-
ISP
12h 44m1 stop
Frontier Logo
7:43 pm - 3:06 pm
ISP
-
ATL
19h 23m1 stop
$129Frontier
Sat, Jan 31 - Mon, Feb 2
Multiple Airlines Logo
8:46 pm - 10:40 am
ATL
-
ISP
13h 54m1 stop
Multiple Airlines Logo
7:41 pm - 11:28 pm
ISP
-
ATL
27h 47m1 stop
$131Multiple Airlines
Tue, Feb 10 - Sat, Feb 28
Multiple Airlines Logo
8:46 pm - 10:40 am
ATL
-
ISP
13h 54m1 stop
Multiple Airlines Logo
11:55 am - 9:12 pm
ISP
-
ATL
9h 17m2 stops
$133Multiple Airlines
Tue, Feb 10 - Thu, Feb 26
Multiple Airlines Logo
8:46 pm - 10:40 am
ATL
-
ISP
13h 54m1 stop
Multiple Airlines Logo
11:55 am - 9:12 pm
ISP
-
ATL
9h 17m2 stops
$135Multiple Airlines
Tue, Feb 10 - Thu, Feb 26
Multiple Airlines Logo
9:11 pm - 11:15 am
ATL
-
ISP
14h 04m2 stops
Multiple Airlines Logo
1:10 pm - 9:40 am
ISP
-
ATL
20h 30m1 stop
$138Multiple Airlines
Wed, Feb 11 - Mon, Feb 23
Multiple Airlines Logo
9:11 pm - 11:15 am
ATL
-
ISP
14h 04m2 stops
Multiple Airlines Logo
7:41 pm - 7:32 am
ISP
-
ATL
11h 51m1 stop
$139Multiple Airlines
Wed, Feb 11 - Wed, Feb 25
Frontier Logo
12:41 pm - 1:56 pm
ATL
-
ISP
25h 15m1 stop
Frontier Logo
1:10 pm - 9:12 pm
ISP
-
ATL
8h 02m1 stop
$141Frontier
Mon, Feb 9 - Fri, Feb 27
Frontier Logo
10:46 pm - 10:40 am
ATL
-
ISP
11h 54m1 stop
Frontier Logo
1:10 pm - 9:12 pm
ISP
-
ATL
8h 02m1 stop
$145Frontier
Thu, Feb 12 - Fri, Feb 27

Frontier flights from Atlanta to Islip, New York

Our best Frontier deals on Atlanta to Islip, New York flight tickets
Frontier
Feb 10
ATL8:46 pmAtlanta Hartsfield-Jackson
13h 54m
1 stop
ISP10:40 amIslip Long Island
Feb 27
ISP1:10 pmIslip Long Island
8h 02m
1 stop
ATL9:12 pmAtlanta Hartsfield-Jackson
$123
Find similar
Frontier
Feb 10
ATL8:46 pmAtlanta Hartsfield-Jackson
13h 54m
1 stop
ISP10:40 amIslip Long Island
Feb 25
ISP7:41 pmIslip Long Island
11h 51m
1 stop
ATL7:32 amAtlanta Hartsfield-Jackson
$124
Find similar
Frontier
Jan 31
ATL7:56 pmAtlanta Hartsfield-Jackson
12h 44m
1 stop
ISP8:40 amIslip Long Island
Feb 2
ISP7:43 pmIslip Long Island
19h 23m
1 stop
ATL3:06 pmAtlanta Hartsfield-Jackson
$129
Find similar

Southwest flights from Atlanta to Islip, New York

Our best Southwest deals on Atlanta to Islip, New York flight tickets
Southwest
Dec 11
ATL11:55 amAtlanta Hartsfield-Jackson
9h 45m
2 stops
ISP9:40 pmIslip Long Island
Dec 14
ISP1:40 pmIslip Long Island
7h 20m
2 stops
ATL9:00 pmAtlanta Hartsfield-Jackson
$707
Find similar
Southwest
Dec 9
ATL11:55 amAtlanta Hartsfield-Jackson
9h 45m
2 stops
ISP9:40 pmIslip Long Island
Dec 16
ISP12:55 pmIslip Long Island
8h 00m
2 stops
ATL8:55 pmAtlanta Hartsfield-Jackson
$827
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Atlanta to Islip, New York 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, momondo users made 832,500 searches. Data last updated December 4, 2025.
Use the filters below to find and compare flights from Atlanta to Islip, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Tue 2/10

8:46 pm-10:40 am

1 stop13h 54m

Islip Long Island

Fri 2/27

1:10 pm-9:12 pm

1 stop8h 02m

$123

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Tue 2/10

8:46 pm-10:40 am

1 stop13h 54m

Islip Long Island

Wed 2/25

7:41 pm-7:32 am

1 stop11h 51m

$124

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Sat 1/31

7:56 pm-8:40 am

1 stop12h 44m

Islip Long Island

Mon 2/2

7:43 pm-3:06 pm

1 stop19h 23m

$129

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Tue 2/10

8:46 pm-10:40 am

1 stop13h 54m

Islip Long Island

Sat 2/28

7:41 pm-11:28 pm

1 stop27h 47m

$131

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Tue 2/10

8:46 pm-10:40 am

1 stop13h 54m

Islip Long Island

Thu 2/26

11:55 am-9:12 pm

2 stops9h 17m

$133

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Tue 2/10

8:46 pm-10:40 am

1 stop13h 54m

Islip Long Island

Thu 2/26

11:55 am-9:12 pm

2 stops9h 17m

$135

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Wed 2/11

9:11 pm-11:15 am

2 stops14h 04m

Islip Long Island

Mon 2/23

1:10 pm-9:40 am

1 stop20h 30m

$138

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Wed 2/11

9:11 pm-11:15 am

2 stops14h 04m

Islip Long Island

Wed 2/25

7:41 pm-7:32 am

1 stop11h 51m

$139

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Mon 2/9

12:41 pm-1:56 pm

1 stop25h 15m

Islip Long Island

Fri 2/27

1:10 pm-9:12 pm

1 stop8h 02m

$141

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Thu 2/12

10:46 pm-10:40 am

1 stop11h 54m

Islip Long Island

Fri 2/27

1:10 pm-9:12 pm

1 stop8h 02m

$145

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to New York from

How to get the cheapest flight ticket from Atlanta to Islip, New York

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

The month of September is, on average, the cheapest month to fly to Islip, New York from Atlanta, with most prices found around $144. If you aren’t able to travel to Islip, New York during the month of September, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $163.

What is the cheapest day to depart on your flight to Islip, New York?

The cheapest day to depart from Atlanta to Islip, New York is on a Wednesday. Travelers who choose to depart for Islip, New York on a Wednesday will often find tickets for as low as $164. The most expensive day to fly to Islip, New York is Friday, with ticket prices averaging around $178.

What is the cheapest time of day to depart on your flight to Islip, New York?

Flying to Islip, New York from Atlanta in the evening is the least expensive time of day to depart. momondo users have found prices as low as $168 when looking at flights departing in the evening. Flights to Islip, New York are more costly at noon, with an average ticket price of $274. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Atlanta Hartsfield-Jackson to Islip Long Island flight route?

Fly from Atlanta Hartsfield-Jackson to Islip Long Island for the best Atlanta Hartsfield-Jackson - Islip Long Island flight prices

What cabin class options are available on Atlanta Hartsfield-Jackson to Islip Long Island flights?

There is only 1 cabin class available to choose from on Atlanta Hartsfield-Jackson to Islip Long Island flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Atlanta to Islip, New York flight prices changed over time?

As of December 2025, prices for Atlanta to Islip, New York flights are approximately 27% more expensive when compared to flights at the same time last year.

When to book flights from Atlanta to Islip, New York

Are you open to changing your travel dates? Check out the ideal times to fly from Atlanta to Islip, New York according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Atlanta to Islip, New York (ATL to ISP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Atlanta to Islip, New York

Fastest flight time

5h 20m

Direct flights

None
The fastest flight from Atlanta to Islip, New York takes 5h 20m
There are no direct flights from Atlanta to Islip, New York. There are no popular flight routes from Atlanta to Islip, New York.
Search flight deals

  • How far is Atlanta Hartsfield-Jackson to Islip Long Island by plane?

    The straight-line distance from Atlanta Hartsfield-Jackson to Islip Long Island is 779.5 mi. Typically, this will take 5h 30m by plane in normal conditions.

  • When did momondo last update prices for flights from Atlanta Hartsfield-Jackson Airport to Islip Long Island Airport?

    Prices for flights from Atlanta Hartsfield-Jackson Airport to Islip Long Island Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Atlanta Hartsfield-Jackson Airport to Islip Long Island Airport?

  • How old do you have to be to fly from Atlanta Hartsfield-Jackson Airport to Islip Long Island Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Atlanta Hartsfield-Jackson Airport to Islip Long Island Airport.

  • What documentation or ID do you need to fly to Islip Long Island Airport?

    The travel and health documents required for your trip to Islip Long Island Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Islip Long Island Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Atlanta to Islip, New York?

  • What is the most popular airline from Atlanta to Islip, New York?

Best airlines flying from Atlanta to Islip, New York

Compare and see reviews for airlines that fly from Atlanta to Islip, New York with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $57Free CancellationRating
5.8
3,092 reviews
Search Frontier flights
SouthwestPriceFrom $286Free CancellationRating
8.0
4,252 reviews
Search Southwest flights

Traveling to a place near New York?

Book flights to New York if you plan to visit one of these locations
Montauk
Riverhead
Sag Harbor
Southampton
Amagansett

Why use momondo?

Why should I use momondo to find a flight deal from Atlanta to Islip?

Finding the right flight to Islip from Atlanta is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Islip quick and easy, saving you time and money.

Can I find flights from Atlanta to Islip with flexible booking policies on momondo?

Yes. All flights to Islip from Atlanta on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Atlanta to Islip?

Once all potential Atlanta to Islip flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Atlanta to Islip right now. Can momondo alert me if prices change?

Price alerts on flights to Islip from Atlanta are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Islip, New York trip

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