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Cheap flights from Atlanta to New York from $55

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 12/10. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
10:40 pm - 11:59 pmATL-ISP
25h 19m1 stop
Frontier Logo
6:00 am - 7:31 amISP-ATL
25h 31m1 stop
$110Frontier
Find Deal
Thu, Dec 11 - Mon, Dec 15
Frontier Logo
12:50 pm - 10:44 pmATL-ISP
9h 54m1 stop
Frontier Logo
12:07 pm - 7:31 amISP-ATL
19h 24m1 stop
$124Frontier
Find Deal
Wed, Dec 3 - Sun, Dec 7
Frontier Logo
9:51 pm - 11:31 pmATL-ISP
25h 40m1 stop
Frontier Logo
6:00 am - 9:45 pmISP-ATL
15h 45m1 stop
$127Frontier
Find Deal
Wed, Dec 17 - Sat, Jan 3
Frontier Logo
5:04 pm - 11:59 pmATL-ISP
6h 55m1 stop
Frontier Logo
4:05 pm - 7:31 amISP-ATL
15h 26m1 stop
$128Frontier
Find Deal
Fri, Dec 12 - Sat, Dec 13
Frontier Logo
5:55 am - 1:09 pmATL-ISP
7h 14m1 stop
Frontier Logo
8:35 pm - 9:41 pmISP-ATL
25h 06m1 stop
$138Frontier
Find Deal
Sun, Dec 21 - Mon, Jan 5
Frontier Logo
5:10 pm - 11:59 pmATL-ISP
6h 49m1 stop
Frontier Logo
6:00 am - 9:45 pmISP-ATL
15h 45m1 stop
$141Frontier
Find Deal
Sat, Dec 20 - Sat, Jan 3
Frontier Logo
6:45 am - 6:38 pmATL-ISP
11h 53m1 stop
Frontier Logo
9:25 am - 9:46 pmISP-ATL
12h 21m1 stop
$142Frontier
Find Deal
Fri, Jan 23 - Sun, Jan 25
Frontier Logo
8:49 am - 10:17 pmATL-ISP
13h 28m1 stop
Frontier Logo
6:00 am - 9:45 pmISP-ATL
15h 45m1 stop
$144Frontier
Find Deal
Wed, Dec 31 - Sat, Jan 3
Frontier Logo
9:51 pm - 11:42 amATL-ISP
13h 51m1 stop
Frontier Logo
10:19 am - 7:17 amISP-ATL
20h 58m1 stop
$145Frontier
Find Deal
Tue, Dec 2 - Thu, Dec 11
Frontier Logo
8:27 am - 9:13 amATL-ISP
24h 46m1 stop
Frontier Logo
12:07 pm - 7:31 amISP-ATL
19h 24m1 stop
$146Frontier
Find Deal
Fri, Dec 5 - Sun, Dec 7

Frontier flights from Atlanta to Islip, New York

Our best Frontier deals on Atlanta to Islip, New York flight tickets
Frontier
Dec 11
ATL10:40 pmAtlanta Hartsfield-Jackson
25h 19m
1 stop
ISP11:59 pmIslip Long Island
Dec 15
ISP6:00 amIslip Long Island
25h 31m
1 stop
ATL7:31 amAtlanta Hartsfield-Jackson
$110
Find similar
Frontier
Dec 3
ATL12:50 pmAtlanta Hartsfield-Jackson
9h 54m
1 stop
ISP10:44 pmIslip Long Island
Dec 7
ISP12:07 pmIslip Long Island
19h 24m
1 stop
ATL7:31 amAtlanta Hartsfield-Jackson
$124
Find similar
Frontier
Dec 17
ATL9:51 pmAtlanta Hartsfield-Jackson
25h 40m
1 stop
ISP11:31 pmIslip Long Island
Jan 3
ISP6:00 amIslip Long Island
15h 45m
1 stop
ATL9:45 pmAtlanta Hartsfield-Jackson
$127
Find similar

Southwest flights from Atlanta to Islip, New York

Our best Southwest deals on Atlanta to Islip, New York flight tickets
Southwest
Nov 26
ATL3:05 pmAtlanta Hartsfield-Jackson
8h 50m
2 stops
ISP11:55 pmIslip Long Island
Nov 28
ISP11:05 amIslip Long Island
6h 00m
2 stops
ATL5:05 pmAtlanta Hartsfield-Jackson
$707
Find similar
Southwest
Nov 26
ATL3:05 pmAtlanta Hartsfield-Jackson
8h 50m
2 stops
ISP11:55 pmIslip Long Island
Nov 30
ISP12:40 pmIslip Long Island
9h 25m
2 stops
ATL10:05 pmAtlanta Hartsfield-Jackson
$780
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 November 18, 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

Thu 12/11

10:40 pm-11:59 pm

1 stop25h 19m

Islip Long Island

Mon 12/15

6:00 am-7:31 am

1 stop25h 31m

$110

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Wed 12/3

12:50 pm-10:44 pm

1 stop9h 54m

Islip Long Island

Sun 12/7

12:07 pm-7:31 am

1 stop19h 24m

$124

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Wed 12/17

9:51 pm-11:31 pm

1 stop25h 40m

Islip Long Island

Sat 1/3

6:00 am-9:45 pm

1 stop15h 45m

$127

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Fri 12/12

5:04 pm-11:59 pm

1 stop6h 55m

Islip Long Island

Sat 12/13

4:05 pm-7:31 am

1 stop15h 26m

$128

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Sun 12/21

5:55 am-1:09 pm

1 stop7h 14m

Islip Long Island

Mon 1/5

8:35 pm-9:41 pm

1 stop25h 06m

$138

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Sat 12/20

5:10 pm-11:59 pm

1 stop6h 49m

Islip Long Island

Sat 1/3

6:00 am-9:45 pm

1 stop15h 45m

$141

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Fri 1/23

6:45 am-6:38 pm

1 stop11h 53m

Islip Long Island

Sun 1/25

9:25 am-9:46 pm

1 stop12h 21m

$142

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Wed 12/31

8:49 am-10:17 pm

1 stop13h 28m

Islip Long Island

Sat 1/3

6:00 am-9:45 pm

1 stop15h 45m

$144

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Tue 12/2

9:51 pm-11:42 am

1 stop13h 51m

Islip Long Island

Thu 12/11

10:19 am-7:17 am

1 stop20h 58m

$145

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Fri 12/5

8:27 am-9:13 am

1 stop24h 46m

Islip Long Island

Sun 12/7

12:07 pm-7:31 am

1 stop19h 24m

$146

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 November 2025, prices for Atlanta to Islip, New York flights are approximately 113% 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

Direct flights

None
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 43m 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
3,103 reviews
Search Frontier flights
SouthwestPriceFrom $296Free CancellationRating
8.0
4,245 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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