What airlines fly to Islip, New York?

Frontier, Delta and Spirit Airlines are the top three most popular airlines that fly to Islip, New York from Atlanta according to our data. Frontier is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 7 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Atlanta Hartsfield-Jackson to Islip Long Island?

Frontier is the most popular carrier operating from Atlanta Hartsfield-Jackson to Islip Long Island

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?

As of March 2026, there are 2 operators available to choose from 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.

$76 Cheap Flights from Atlanta to Islip in 2026

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Find the cheapest flights from Atlanta to New York

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 9:13 am

ATL

ISP

27h 13m

1 stop

5:38 pm - 4:58 pm

ISP

ATL

23h 20m

1 stop

$180Frontier

Thu, Apr 30 - Tue, May 5

10:45 pm - 9:13 am

ATL

ISP

10h 28m

1 stop

8:31 pm - 9:46 pm

ISP

ATL

25h 15m

1 stop

$201Frontier

Thu, Apr 16 - Sun, Apr 19

8:07 pm - 10:05 am

ATL

ISP

13h 58m

1 stop

11:00 am - 9:52 am

ISP

ATL

22h 52m

1 stop

$205Frontier

Thu, May 14 - Sun, May 17

8:16 am - 10:03 am

ATL

ISP

25h 47m

1 stop

10:48 am - 11:44 am

ISP

ATL

24h 56m

1 stop

$210Frontier

Wed, Jun 10 - Thu, Jun 18

6:35 am - 11:17 am

ATL

ISP

4h 42m

1 stop

11:00 am - 11:15 am

ISP

ATL

24h 15m

2 stops

$214Multiple Airlines

Sat, May 16 - Sun, May 17

6:00 am - 11:13 am

ATL

ISP

5h 13m

1 stop

4:01 pm - 11:40 pm

ISP

ATL

7h 39m

1 stop

$215Frontier

Sun, Apr 5 - Mon, Apr 13

6:38 pm - 7:59 pm

ATL

ISP

25h 21m

1 stop

8:00 am - 9:50 pm

ISP

ATL

13h 50m

1 stop

$222Frontier

Tue, Mar 31 - Wed, Apr 8

9:25 pm - 11:10 am

ATL

ISP

13h 45m

1 stop

8:31 pm - 6:50 pm

ISP

ATL

22h 19m

2 stops

$223Multiple Airlines

Fri, Apr 17 - Sun, Apr 19

7:15 am - 1:31 pm

ATL

ISP

6h 16m

1 stop

4:07 pm - 9:40 pm

ISP

ATL

29h 33m

1 stop

$224Multiple Airlines

Fri, Apr 17 - Sun, Apr 19

4:16 pm - 11:54 pm

ATL

ISP

7h 38m

1 stop

9:38 am - 9:46 pm

ISP

ATL

12h 08m

1 stop

$225Frontier

Mon, Apr 6 - Tue, Apr 14

Southwest flights from Atlanta to Islip, New York

Our best Southwest deals on Atlanta to Islip, New York flight tickets

Southwest

May 23

ATL6:00 pmAtlanta Hartsfield-Jackson

5h 20m

1 stop

ISP11:20 pmIslip Long Island

Jun 2

ISP2:30 pmIslip Long Island

6h 55m

2 stops

ATL9:25 pmAtlanta Hartsfield-Jackson

$360

Southwest

May 23

ATL3:35 pmAtlanta Hartsfield-Jackson

7h 45m

2 stops

ISP11:20 pmIslip Long Island

Jun 2

ISP2:30 pmIslip Long Island

6h 55m

2 stops

ATL9:25 pmAtlanta Hartsfield-Jackson

$365

Southwest

Apr 30

ATL3:30 pmAtlanta Hartsfield-Jackson

8h 00m

2 stops

ISP11:30 pmIslip Long Island

May 2

ISP6:00 amIslip Long Island

9h 00m

2 stops

ATL3:00 pmAtlanta Hartsfield-Jackson

$385

Frontier flights from Atlanta to Islip, New York

Our best Frontier deals on Atlanta to Islip, New York flight tickets

Frontier

Mar 31

ATL6:38 pmAtlanta Hartsfield-Jackson

25h 21m

1 stop

ISP7:59 pmIslip Long Island

Apr 7

ISP8:00 amIslip Long Island

13h 50m

1 stop

ATL9:50 pmAtlanta Hartsfield-Jackson

$180

Frontier

Apr 16

ATL10:45 pmAtlanta Hartsfield-Jackson

10h 28m

1 stop

ISP9:13 amIslip Long Island

Apr 19

ISP8:31 pmIslip Long Island

25h 15m

1 stop

ATL9:46 pmAtlanta Hartsfield-Jackson

$201

Frontier

May 14

ATL8:07 pmAtlanta Hartsfield-Jackson

13h 58m

1 stop

ISP10:05 amIslip Long Island

May 17

ISP11:00 amIslip Long Island

22h 52m

1 stop

ATL9:52 amAtlanta Hartsfield-Jackson

$205

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Thu 4/30

6:00 am-9:13 am

1 stop27h 13m

Islip Long Island

Tue 5/5

5:38 pm-4:58 pm

1 stop23h 20m

$180

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Thu 4/16

10:45 pm-9:13 am

1 stop10h 28m

Islip Long Island

Sun 4/19

8:31 pm-9:46 pm

1 stop25h 15m

$201

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Thu 5/14

8:07 pm-10:05 am

1 stop13h 58m

Islip Long Island

Sun 5/17

11:00 am-9:52 am

1 stop22h 52m

$205

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Wed 6/10

8:16 am-10:03 am

1 stop25h 47m

Islip Long Island

Thu 6/18

10:48 am-11:44 am

1 stop24h 56m

$210

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Sat 5/16

6:35 am-11:17 am

1 stop4h 42m

Islip Long Island

Sun 5/17

11:00 am-11:15 am

2 stops24h 15m

$214

Quickest round-trip

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Sun 4/5

6:00 am-11:13 am

1 stop5h 13m

Islip Long Island

Mon 4/13

4:01 pm-11:40 pm

1 stop7h 39m

$215

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Tue 3/31

6:38 pm-7:59 pm

1 stop25h 21m

Islip Long Island

Wed 4/8

8:00 am-9:50 pm

1 stop13h 50m

$222

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Fri 4/17

9:25 pm-11:10 am

1 stop13h 45m

Islip Long Island

Sun 4/19

8:31 pm-6:50 pm

2 stops22h 19m

$223

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Fri 4/17

7:15 am-1:31 pm

1 stop6h 16m

Islip Long Island

Sun 4/19

4:07 pm-9:40 pm

1 stop29h 33m

$224

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Mon 4/6

4:16 pm-11:54 pm

1 stop7h 38m

Islip Long Island

Tue 4/14

9:38 am-9:46 pm

1 stop12h 08m

$225

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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

The month of February is, on average, the cheapest month to fly to Islip, New York from Atlanta, with most prices found around $58. If you aren’t able to travel to Islip, New York during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $144.

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

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	6h 03m
Direct flights	None

The fastest flight from Atlanta to Islip, New York takes 6h 03m

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 6h 03m 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?
As of March 2026, there are 2 operators available to choose from 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?
Based on momondo bookings for flights between Atlanta and Islip, New York, the leading plane model is Airbus A320neo, making up 28.57% of the total bookings. Other popular models include Airbus A321neo with 28.57%, Boeing 737-900 with 14.29%, and Airbus A320 (sharklets) with 14.29%.
What is the most popular airline from Atlanta to Islip, New York?
Based on momondo bookings for flights between Atlanta and Islip, New York, the leading airline is Southwest, making up 73% of the total bookings. Other popular airlines include Frontier with 27%.

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
Frontier	PriceFrom $20	Free Cancellation	Rating 5.7 3,022 reviews		Search Frontier flights
Southwest	PriceFrom $286	Free Cancellation	Rating 8.0 4,325 reviews		Search Southwest flights

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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.

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Cheap flights from Atlanta to New York from $76

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 4/15. 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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Southwest flights from Atlanta to Islip, New York

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

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

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

What is the cheapest airline that flies from Atlanta Hartsfield-Jackson to Islip Long Island?

What airlines fly to Islip, New York?

When to book flights from Atlanta to Islip, New York

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

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An easier way to manage your Islip, New York trip

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