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Cheap flights from Islip, New York to Atlanta from $64

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Islip, New York to Atlanta departing on 2/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Islip, New York to Atlanta

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
5:07 pm - 7:14 am
ISP
-
ATL
14h 07m
1 stop
Frontier Logo
10:51 pm - 8:40 am
ATL
-
ISP
9h 49m
1 stop
$128Frontier
Sat, Feb 28 - Tue, Mar 3
Frontier Logo
3:34 pm - 9:46 pm
ISP
-
ATL
6h 12m
1 stop
Frontier Logo
10:51 pm - 7:48 am
ATL
-
ISP
8h 57m
1 stop
$138Frontier
Thu, Feb 26 - Sat, Feb 28
Multiple Airlines Logo
3:34 pm - 10:24 am
ISP
-
ATL
18h 50m
2 stops
Multiple Airlines Logo
10:51 pm - 2:39 pm
ATL
-
ISP
15h 48m
1 stop
$142Multiple Airlines
Mon, Mar 2 - Wed, Mar 4
Frontier Logo
3:59 pm - 9:47 pm
ISP
-
ATL
5h 48m
1 stop
Frontier Logo
10:51 pm - 7:38 am
ATL
-
ISP
8h 47m
1 stop
$148Frontier
Mon, Feb 23 - Thu, Feb 26
Multiple Airlines Logo
11:50 am - 9:35 pm
ISP
-
ATL
9h 45m
2 stops
Multiple Airlines Logo
10:51 pm - 8:40 am
ATL
-
ISP
9h 49m
1 stop
$162Multiple Airlines
Sat, Feb 28 - Tue, Mar 3
Multiple Airlines Logo
3:34 pm - 11:33 pm
ISP
-
ATL
7h 59m
1 stop
Multiple Airlines Logo
6:33 pm - 2:39 pm
ATL
-
ISP
20h 06m
1 stop
$164Multiple Airlines
Thu, Feb 19 - Wed, Feb 25
Frontier Logo
9:33 am - 9:46 pm
ISP
-
ATL
12h 13m
1 stop
Frontier Logo
5:15 am - 11:06 am
ATL
-
ISP
5h 51m
1 stop
$165Frontier
Wed, Feb 25 - Sat, Feb 28
Frontier Logo
3:59 pm - 9:47 pm
ISP
-
ATL
5h 48m
1 stop
Frontier Logo
5:15 am - 2:39 pm
ATL
-
ISP
9h 24m
1 stop
$175Frontier
Mon, Feb 23 - Thu, Feb 26
Multiple Airlines Logo
5:07 pm - 8:40 pm
ISP
-
ATL
27h 33m
2 stops
Multiple Airlines Logo
6:33 pm - 2:39 pm
ATL
-
ISP
20h 06m
1 stop
$178Multiple Airlines
Thu, Feb 19 - Wed, Feb 25
Frontier Logo
12:01 pm - 9:46 pm
ISP
-
ATL
9h 45m
1 stop
Frontier Logo
5:15 am - 7:38 am
ATL
-
ISP
26h 23m
1 stop
$179Frontier
Sat, Feb 28 - Sun, Mar 1

Frontier flights from Islip, New York to Atlanta

Our best Frontier deals on Islip, New York to Atlanta flight tickets
Frontier
Feb 28
ISP5:07 pmIslip Long Island
14h 07m
1 stop
ATL7:14 amAtlanta Hartsfield-Jackson
Mar 3
ATL10:51 pmAtlanta Hartsfield-Jackson
9h 49m
1 stop
ISP8:40 amIslip Long Island
$128
Frontier
Feb 26
ISP3:34 pmIslip Long Island
6h 12m
1 stop
ATL9:46 pmAtlanta Hartsfield-Jackson
Feb 28
ATL10:51 pmAtlanta Hartsfield-Jackson
8h 57m
1 stop
ISP7:48 amIslip Long Island
$138
Frontier
Feb 23
ISP3:59 pmIslip Long Island
25h 54m
1 stop
ATL5:53 pmAtlanta Hartsfield-Jackson
Feb 26
ATL10:51 pmAtlanta Hartsfield-Jackson
15h 48m
1 stop
ISP2:39 pmIslip Long Island
$154

Southwest flights from Islip, New York to Atlanta

Our best Southwest deals on Islip, New York to Atlanta flight tickets
Southwest
Feb 17
ISP5:55 amIslip Long Island
4h 50m
1 stop
ATL10:45 amAtlanta Hartsfield-Jackson
Feb 21
ATL7:45 amAtlanta Hartsfield-Jackson
6h 35m
1 stop
ISP2:20 pmIslip Long Island
$493
Southwest
Feb 17
ISP5:55 amIslip Long Island
10h 00m
2 stops
ATL3:55 pmAtlanta Hartsfield-Jackson
Feb 21
ATL7:45 amAtlanta Hartsfield-Jackson
6h 35m
1 stop
ISP2:20 pmIslip Long Island
$498
Southwest
Feb 17
ISP5:55 amIslip Long Island
10h 00m
2 stops
ATL3:55 pmAtlanta Hartsfield-Jackson
Feb 21
ATL8:15 amAtlanta Hartsfield-Jackson
10h 05m
2 stops
ISP6:20 pmIslip Long Island
$657

momondo Fare Finder

 
Customize your flight search to find flights from Islip, New York to Atlanta 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 February 3, 2026.
Use the filters below to find and compare flights from Islip, New York to Atlanta that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Sat 2/28

5:07 pm-7:14 am

1 stop14h 07m

Atlanta Hartsfield-Jackson

Tue 3/3

10:51 pm-8:40 am

1 stop9h 49m

$128

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Thu 2/26

3:34 pm-9:46 pm

1 stop6h 12m

Atlanta Hartsfield-Jackson

Sat 2/28

10:51 pm-7:48 am

1 stop8h 57m

$138

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Mon 3/2

3:34 pm-10:24 am

2 stops18h 50m

Atlanta Hartsfield-Jackson

Wed 3/4

10:51 pm-2:39 pm

1 stop15h 48m

$142

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Mon 2/23

3:59 pm-9:47 pm

1 stop5h 48m

Atlanta Hartsfield-Jackson

Thu 2/26

10:51 pm-7:38 am

1 stop8h 47m

$148

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Sat 2/28

11:50 am-9:35 pm

2 stops9h 45m

Atlanta Hartsfield-Jackson

Tue 3/3

10:51 pm-8:40 am

1 stop9h 49m

$162

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Thu 2/19

3:34 pm-11:33 pm

1 stop7h 59m

Atlanta Hartsfield-Jackson

Wed 2/25

6:33 pm-2:39 pm

1 stop20h 06m

$164

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Wed 2/25

9:33 am-9:46 pm

1 stop12h 13m

Atlanta Hartsfield-Jackson

Sat 2/28

5:15 am-11:06 am

1 stop5h 51m

$165

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Mon 2/23

3:59 pm-9:47 pm

1 stop5h 48m

Atlanta Hartsfield-Jackson

Thu 2/26

5:15 am-2:39 pm

1 stop9h 24m

$175

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Thu 2/19

5:07 pm-8:40 pm

2 stops27h 33m

Atlanta Hartsfield-Jackson

Wed 2/25

6:33 pm-2:39 pm

1 stop20h 06m

$178

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Sat 2/28

12:01 pm-9:46 pm

1 stop9h 45m

Atlanta Hartsfield-Jackson

Sun 3/1

5:15 am-7:38 am

1 stop26h 23m

$179

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 Atlanta from

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

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 Atlanta?

The month of September is, on average, the cheapest month to fly to Atlanta from Islip, New York, with most prices found around $192. If you aren’t able to travel to Atlanta during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $219.

What is the cheapest day to depart on your flight to Atlanta?

Our data shows that Thursday is the least expensive day to fly to Atlanta. Tickets to fly out on this day can be as low as $255. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Atlanta on Sunday is $362.

What is the cheapest time of day to depart on your flight to Atlanta?

The cheapest time of day to fly to Atlanta is in the evening when flights can be purchased for as low as $228. Flights to Atlanta are more costly in the afternoon, with an average ticket price of $320. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

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

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

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

As of February 2026, prices for Islip, New York to Atlanta flights are approximately 32% more expensive when compared to flights at the same time last year.

When to book flights from Islip, New York to Atlanta

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

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

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

Fastest flight time

6h 12m

Direct flights

None
The fastest flight from Islip, New York to Atlanta takes 6h 12m
There are no direct flights from Islip, New York to Atlanta. There are no popular flight routes from Islip, New York to Atlanta.
Search flight deals

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

    Islip Long Island and Atlanta Hartsfield-Jackson are 779.5 mi apart from one another. Flights usually cover this in 6h 12m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Islip Long Island Airport to Atlanta Hartsfield-Jackson Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Islip Long Island Airport to Atlanta Hartsfield-Jackson Airport.

  • What documentation or ID do you need to fly to Atlanta Hartsfield-Jackson Airport?

    The necessary travel and health documents for your Atlanta Hartsfield-Jackson Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

Best airlines flying from Islip, New York to Atlanta

Compare and see reviews for airlines that fly from Islip, New York to Atlanta with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $63Free CancellationRating
5.7
3,051 reviews
Search Frontier flights
SouthwestPriceFrom $290Free CancellationRating
8.0
4,272 reviews
Search Southwest flights

  • Southwest Flights From Islip, New York to Atlanta

    Across 4 Southwest flights from Islip, New York to Atlanta this week, the average price was $386, with the best Southwest deals starting from $290 round-trip. 4,272 users have rated Southwest on momondo, with an average score of 8.0/10.

Traveling to a place near Atlanta?

Book flights to Atlanta if you plan to visit one of these locations
Helen
Marietta
Duluth
McDonough
Blue Ridge
Warner Robins
Stone Mountain
Lawrenceville
Cartersville
Covington
Auburn
Dahlonega
Norcross
Gadsden
Conyers
Kennesaw
Newnan
Lithonia
Douglasville
Gainesville

Why use momondo?

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

It is quick and easy to find Islip to Atlanta flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Atlanta that suits you.

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

Yes. momondo allows you to filter the results for Islip to Atlanta flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Islip and Atlanta by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Atlanta from Islip 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.

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