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Cheap flights from Islip, New York to Atlanta from $71

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 2/21. 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 Islip, New York to Atlanta

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:17 pm - 8:03 am
ISP
-
ATL
17h 46m
1 stop
Multiple Airlines Logo
10:49 pm - 11:10 am
ATL
-
ISP
12h 21m
2 stops
$137Multiple Airlines
Mon, Feb 23 - Tue, Feb 24
Multiple Airlines Logo
2:17 pm - 8:03 am
ISP
-
ATL
17h 46m
1 stop
Multiple Airlines Logo
10:44 pm - 11:10 am
ATL
-
ISP
12h 26m
1 stop
$139Multiple Airlines
Mon, Feb 23 - Tue, Feb 24
Frontier Logo
3:34 pm - 9:47 pm
ISP
-
ATL
6h 13m
1 stop
Frontier Logo
10:51 pm - 8:40 am
ATL
-
ISP
9h 49m
1 stop
$144Frontier
Mon, Mar 2 - Tue, Mar 3
Multiple Airlines Logo
3:34 pm - 11:33 pm
ISP
-
ATL
7h 59m
1 stop
Multiple Airlines Logo
10:13 am - 4:12 pm
ATL
-
ISP
5h 59m
1 stop
$146Multiple Airlines
Fri, Feb 27 - 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
$150Frontier
Mon, Feb 23 - Thu, Feb 26
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
$160Frontier
Mon, Feb 23 - Thu, Feb 26
Frontier Logo
7:43 pm - 9:16 pm
ISP
-
ATL
25h 33m
1 stop
Frontier Logo
10:50 pm - 6:38 pm
ATL
-
ISP
19h 48m
1 stop
$161Frontier
Mon, Feb 2 - Thu, Feb 5
Multiple Airlines Logo
2:01 pm - 9:00 am
ISP
-
ATL
18h 59m
1 stop
Multiple Airlines Logo
10:25 pm - 11:10 am
ATL
-
ISP
12h 45m
1 stop
$163Multiple Airlines
Mon, Feb 2 - Tue, Feb 3
Multiple Airlines Logo
2:01 pm - 9:00 am
ISP
-
ATL
18h 59m
1 stop
Multiple Airlines Logo
6:24 pm - 11:10 am
ATL
-
ISP
16h 46m
2 stops
$172Multiple Airlines
Mon, Feb 2 - Tue, Feb 3
Frontier Logo
8:33 am - 9:46 pm
ISP
-
ATL
13h 13m
1 stop
Frontier Logo
10:51 pm - 7:48 am
ATL
-
ISP
8h 57m
1 stop
$180Frontier
Fri, Feb 27 - Sat, Feb 28

Frontier flights from Islip, New York to Atlanta

Our best Frontier deals on Islip, New York to Atlanta flight tickets
Frontier
Mar 2
ISP3:34 pmIslip Long Island
6h 13m
1 stop
ATL9:47 pmAtlanta Hartsfield-Jackson
Mar 3
ATL10:51 pmAtlanta Hartsfield-Jackson
9h 49m
1 stop
ISP8:40 amIslip Long Island
$144
Frontier
Feb 23
ISP3:59 pmIslip Long Island
5h 48m
1 stop
ATL9:47 pmAtlanta Hartsfield-Jackson
Feb 26
ATL5:15 amAtlanta Hartsfield-Jackson
9h 24m
1 stop
ISP2:39 pmIslip Long Island
$150
Frontier
Feb 23
ISP3:59 pmIslip Long Island
5h 48m
1 stop
ATL9:47 pmAtlanta Hartsfield-Jackson
Feb 26
ATL10:51 pmAtlanta Hartsfield-Jackson
8h 47m
1 stop
ISP7:38 amIslip Long Island
$160

Southwest flights from Islip, New York to Atlanta

Our best Southwest deals on Islip, New York to Atlanta flight tickets
Southwest
Jan 20
ISP3:45 pmIslip Long Island
4h 20m
1 stop
ATL8:05 pmAtlanta Hartsfield-Jackson
Jan 22
ATL5:55 pmAtlanta Hartsfield-Jackson
4h 00m
1 stop
ISP9:55 pmIslip Long Island
$658
Southwest
Jan 16
ISP2:10 pmIslip Long Island
7h 35m
2 stops
ATL9:45 pmAtlanta Hartsfield-Jackson
Jan 20
ATL1:35 pmAtlanta Hartsfield-Jackson
8h 20m
2 stops
ISP9:55 pmIslip Long Island
$828
Southwest
Jan 17
ISP12:15 pmIslip Long Island
8h 10m
2 stops
ATL8:25 pmAtlanta Hartsfield-Jackson
Jan 19
ATL7:05 amAtlanta Hartsfield-Jackson
9h 30m
2 stops
ISP4:35 pmIslip Long Island
$948

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 15, 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

2:17 pm-8:03 am

1 stop17h 46m

Atlanta Hartsfield-Jackson

Tue 2/24

10:49 pm-11:10 am

2 stops12h 21m

$137

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Mon 2/23

2:17 pm-8:03 am

1 stop17h 46m

Atlanta Hartsfield-Jackson

Tue 2/24

10:44 pm-11:10 am

1 stop12h 26m

$139

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Mon 3/2

3:34 pm-9:47 pm

1 stop6h 13m

Atlanta Hartsfield-Jackson

Tue 3/3

10:51 pm-8:40 am

1 stop9h 49m

$144

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Fri 2/27

3:34 pm-11:33 pm

1 stop7h 59m

Atlanta Hartsfield-Jackson

Sat 2/28

10:13 am-4:12 pm

1 stop5h 59m

$146

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

$150

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

$160

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Mon 2/2

7:43 pm-9:16 pm

1 stop25h 33m

Atlanta Hartsfield-Jackson

Thu 2/5

10:50 pm-6:38 pm

1 stop19h 48m

$161

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Mon 2/2

2:01 pm-9:00 am

1 stop18h 59m

Atlanta Hartsfield-Jackson

Tue 2/3

10:25 pm-11:10 am

1 stop12h 45m

$163

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Mon 2/2

2:01 pm-9:00 am

1 stop18h 59m

Atlanta Hartsfield-Jackson

Tue 2/3

6:24 pm-11:10 am

2 stops16h 46m

$172

IslipAtlanta

ISP - ATL

ISPATL

Islip Long Island

Fri 2/27

8:33 am-9:46 pm

1 stop13h 13m

Atlanta Hartsfield-Jackson

Sat 2/28

10:51 pm-7:48 am

1 stop8h 57m

$180

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 typical price of a round-trip flight between Islip, New York and Atlanta?

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 $256. 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 $363.

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
3,057 reviews
Search Frontier flights
SouthwestPriceFrom $290Free CancellationRating
8.0
4,258 reviews
Search Southwest flights

  • Southwest Flights From Islip, New York to Atlanta

    Across 3 Southwest flights from Islip, New York to Atlanta this week, the average price was $380, with the best Southwest deals starting from $290 round-trip. 4,258 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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