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Cheap flights from Islip, New York to Atlanta from $62

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 2/20. 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
3:59 pm - 12:22 pm
ISP
-
ATL
20h 23m
1 stop
Frontier Logo
10:51 pm - 8:40 am
ATL
-
ISP
9h 49m
1 stop
$133Frontier
Mon, Feb 23 - Tue, Feb 24
Frontier Logo
5:07 pm - 7:14 am
ISP
-
ATL
14h 07m
1 stop
Frontier Logo
7:45 am - 8:40 am
ATL
-
ISP
24h 55m
1 stop
$140Frontier
Sat, Feb 21 - Tue, Feb 24
Frontier Logo
3:59 pm - 9:47 pm
ISP
-
ATL
5h 48m
1 stop
Frontier Logo
9:52 am - 4:22 pm
ATL
-
ISP
6h 30m
1 stop
$150Frontier
Mon, Feb 23 - Thu, Feb 26
Frontier Logo
10:43 am - 11:55 pm
ISP
-
ATL
13h 12m
1 stop
Frontier Logo
6:00 am - 11:59 pm
ATL
-
ISP
17h 59m
1 stop
$151Frontier
Sat, Mar 28 - Wed, Apr 1
Multiple Airlines Logo
2:31 pm - 8:11 am
ISP
-
ATL
17h 40m
1 stop
Multiple Airlines Logo
10:21 am - 12:44 am
ATL
-
ISP
14h 23m
1 stop
$152Multiple Airlines
Mon, Feb 9 - Fri, Feb 13
Frontier Logo
7:53 pm - 11:29 am
ISP
-
ATL
15h 36m
1 stop
Frontier Logo
5:15 am - 7:28 pm
ATL
-
ISP
14h 13m
1 stop
$159Frontier
Sun, Feb 1 - Sat, Feb 28
Frontier Logo
7:53 pm - 11:29 am
ISP
-
ATL
15h 36m
1 stop
Frontier Logo
10:56 pm - 8:40 am
ATL
-
ISP
9h 44m
1 stop
$160Frontier
Sun, Feb 1 - Sat, Feb 7
Multiple Airlines Logo
11:50 am - 7:56 am
ISP
-
ATL
20h 06m
1 stop
Multiple Airlines Logo
10:51 pm - 7:48 am
ATL
-
ISP
8h 57m
1 stop
$170Multiple Airlines
Sat, Feb 7 - Sat, Feb 14
Frontier Logo
7:33 pm - 7:53 am
ISP
-
ATL
12h 20m
1 stop
Frontier Logo
7:56 pm - 8:40 am
ATL
-
ISP
12h 44m
1 stop
$171Frontier
Fri, Jan 30 - Sat, Jan 31
Multiple Airlines Logo
8:23 am - 11:33 pm
ISP
-
ATL
15h 10m
1 stop
Multiple Airlines Logo
10:49 pm - 11:10 am
ATL
-
ISP
12h 21m
2 stops
$174Multiple Airlines
Mon, Feb 23 - Tue, Feb 24

Frontier flights from Islip, New York to Atlanta

Our best Frontier deals on Islip, New York to Atlanta flight tickets
Frontier
Feb 23
ISP3:59 pmIslip Long Island
20h 23m
1 stop
ATL12:22 pmAtlanta Hartsfield-Jackson
Feb 24
ATL10:51 pmAtlanta Hartsfield-Jackson
9h 49m
1 stop
ISP8:40 amIslip Long Island
$133
Frontier
Feb 21
ISP5:07 pmIslip Long Island
14h 07m
1 stop
ATL7:14 amAtlanta Hartsfield-Jackson
Feb 24
ATL7:45 amAtlanta Hartsfield-Jackson
24h 55m
1 stop
ISP8:40 amIslip Long Island
$140
Frontier
Feb 23
ISP3:59 pmIslip Long Island
5h 48m
1 stop
ATL9:47 pmAtlanta Hartsfield-Jackson
Feb 26
ATL9:52 amAtlanta Hartsfield-Jackson
6h 30m
1 stop
ISP4:22 pmIslip Long Island
$150

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 January 12, 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

Mon 2/23

3:59 pm-12:22 pm

1 stop20h 23m

Atlanta Hartsfield-Jackson

Tue 2/24

10:51 pm-8:40 am

1 stop9h 49m

$133

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Sat 2/21

5:07 pm-7:14 am

1 stop14h 07m

Atlanta Hartsfield-Jackson

Tue 2/24

7:45 am-8:40 am

1 stop24h 55m

$140

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

9:52 am-4:22 pm

1 stop6h 30m

$150

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Sat 3/28

10:43 am-11:55 pm

1 stop13h 12m

Atlanta Hartsfield-Jackson

Wed 4/1

6:00 am-11:59 pm

1 stop17h 59m

$151

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Mon 2/9

2:31 pm-8:11 am

1 stop17h 40m

Atlanta Hartsfield-Jackson

Fri 2/13

10:21 am-12:44 am

1 stop14h 23m

$152

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Sun 2/1

7:53 pm-11:29 am

1 stop15h 36m

Atlanta Hartsfield-Jackson

Sat 2/28

5:15 am-7:28 pm

1 stop14h 13m

$159

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Sun 2/1

7:53 pm-11:29 am

1 stop15h 36m

Atlanta Hartsfield-Jackson

Sat 2/7

10:56 pm-8:40 am

1 stop9h 44m

$160

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Sat 2/7

11:50 am-7:56 am

1 stop20h 06m

Atlanta Hartsfield-Jackson

Sat 2/14

10:51 pm-7:48 am

1 stop8h 57m

$170

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Fri 1/30

7:33 pm-7:53 am

1 stop12h 20m

Atlanta Hartsfield-Jackson

Sat 1/31

7:56 pm-8:40 am

1 stop12h 44m

$171

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Mon 2/23

8:23 am-11:33 pm

1 stop15h 10m

Atlanta Hartsfield-Jackson

Tue 2/24

10:49 pm-11:10 am

2 stops12h 21m

$174

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 $223. Flights to Atlanta are more costly in the afternoon, with an average ticket price of $316. 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?

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

4h 30m

Direct flights

None
The fastest flight from Islip, New York to Atlanta takes 4h 30m
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 4h 30m, 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
3,056 reviews
Search Frontier flights
SouthwestPriceFrom $290Free CancellationRating
8.0
4,255 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 $379, with the best Southwest deals starting from $290 round-trip. 4,255 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
Dahlonega
Norcross
Auburn
Gadsden
Kennesaw
Conyers
Newnan
La Grange
Lithonia
Douglasville

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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