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.

$80 Cheap Flights from Atlanta to Islip in 2026

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Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:25 am - 7:36 pm

ATL

ISP

11h 11m

1 stop

4:07 pm - 11:29 pm

ISP

ATL

7h 22m

1 stop

$160Frontier

Thu, Apr 23 - Sun, Apr 26

10:00 am - 9:13 am

ATL

ISP

23h 13m

1 stop

4:07 pm - 6:57 am

ISP

ATL

14h 50m

1 stop

$180Frontier

Sun, Apr 19 - Thu, Apr 23

10:45 pm - 9:13 am

ATL

ISP

10h 28m

1 stop

4:07 pm - 11:34 pm

ISP

ATL

7h 27m

1 stop

$181Frontier

Sat, May 9 - Sun, May 10

10:13 pm - 11:10 am

ATL

ISP

12h 57m

1 stop

4:07 pm - 7:59 am

ISP

ATL

15h 52m

1 stop

$188Multiple Airlines

Fri, Apr 24 - Sun, Apr 26

10:45 pm - 7:04 pm

ATL

ISP

20h 19m

1 stop

5:30 am - 11:59 pm

ISP

ATL

18h 29m

1 stop

$195Frontier

Sat, Apr 4 - Thu, Apr 9

6:00 am - 7:36 pm

ATL

ISP

13h 36m

1 stop

4:07 pm - 11:29 pm

ISP

ATL

7h 22m

1 stop

$201Frontier

Fri, Apr 24 - Sun, Apr 26

6:00 am - 12:47 pm

ATL

ISP

6h 47m

1 stop

2:31 pm - 5:55 pm

ISP

ATL

27h 24m

1 stop

$203Multiple Airlines

Fri, Mar 27 - Mon, Mar 30

6:30 am - 1:26 am

ATL

ISP

18h 56m

1 stop

8:00 am - 7:09 am

ISP

ATL

23h 09m

1 stop

$210Frontier

Thu, Apr 2 - Wed, Apr 8

6:00 am - 2:55 pm

ATL

ISP

8h 55m

1 stop

4:07 pm - 4:39 pm

ISP

ATL

24h 32m

1 stop

$215Frontier

Fri, May 8 - Mon, May 11

10:45 pm - 11:13 am

ATL

ISP

12h 28m

1 stop

8:00 am - 7:09 am

ISP

ATL

23h 09m

1 stop

$216Frontier

Sat, Apr 4 - Wed, Apr 8

Frontier flights from Atlanta to Islip, New York

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

Frontier

Apr 23

ATL8:25 amAtlanta Hartsfield-Jackson

11h 11m

1 stop

ISP7:36 pmIslip Long Island

Apr 26

ISP4:07 pmIslip Long Island

7h 22m

1 stop

ATL11:29 pmAtlanta Hartsfield-Jackson

$160

Frontier

Apr 19

ATL10:00 amAtlanta Hartsfield-Jackson

23h 13m

1 stop

ISP9:13 amIslip Long Island

Apr 23

ISP4:07 pmIslip Long Island

14h 50m

1 stop

ATL6:57 amAtlanta Hartsfield-Jackson

$180

Frontier

May 9

ATL10:45 pmAtlanta Hartsfield-Jackson

10h 28m

1 stop

ISP9:13 amIslip Long Island

May 10

ISP4:07 pmIslip Long Island

7h 27m

1 stop

ATL11:34 pmAtlanta Hartsfield-Jackson

$181

Southwest flights from Atlanta to Islip, New York

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

Southwest

Apr 8

ATL7:10 amAtlanta Hartsfield-Jackson

6h 40m

1 stop

ISP1:50 pmIslip Long Island

Apr 15

ISP6:30 amIslip Long Island

4h 20m

1 stop

ATL10:50 amAtlanta Hartsfield-Jackson

$337

Southwest

Apr 8

ATL7:10 amAtlanta Hartsfield-Jackson

6h 40m

1 stop

ISP1:50 pmIslip Long Island

Apr 15

ISP9:00 amIslip Long Island

8h 35m

2 stops

ATL5:35 pmAtlanta Hartsfield-Jackson

$342

Southwest

Mar 24

ATL3:30 pmAtlanta Hartsfield-Jackson

7h 20m

2 stops

ISP10:50 pmIslip Long Island

Mar 28

ISP2:25 pmIslip Long Island

9h 25m

2 stops

ATL11:50 pmAtlanta Hartsfield-Jackson

$477

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Thu 4/23

8:25 am-7:36 pm

1 stop11h 11m

Islip Long Island

Sun 4/26

4:07 pm-11:29 pm

1 stop7h 22m

$160

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Sun 4/19

10:00 am-9:13 am

1 stop23h 13m

Islip Long Island

Thu 4/23

4:07 pm-6:57 am

1 stop14h 50m

$180

Quickest round-trip

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Sat 5/9

10:45 pm-9:13 am

1 stop10h 28m

Islip Long Island

Sun 5/10

4:07 pm-11:34 pm

1 stop7h 27m

$181

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Fri 4/24

10:13 pm-11:10 am

1 stop12h 57m

Islip Long Island

Sun 4/26

4:07 pm-7:59 am

1 stop15h 52m

$188

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Sat 4/4

10:45 pm-7:04 pm

1 stop20h 19m

Islip Long Island

Thu 4/9

5:30 am-11:59 pm

1 stop18h 29m

$195

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Fri 4/24

6:00 am-7:36 pm

1 stop13h 36m

Islip Long Island

Sun 4/26

4:07 pm-11:29 pm

1 stop7h 22m

$201

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Fri 3/27

6:00 am-12:47 pm

1 stop6h 47m

Islip Long Island

Mon 3/30

2:31 pm-5:55 pm

1 stop27h 24m

$203

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Thu 4/2

6:30 am-1:26 am

1 stop18h 56m

Islip Long Island

Wed 4/8

8:00 am-7:09 am

1 stop23h 09m

$210

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Fri 5/8

6:00 am-2:55 pm

1 stop8h 55m

Islip Long Island

Mon 5/11

4:07 pm-4:39 pm

1 stop24h 32m

$215

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

Sat 4/4

10:45 pm-11:13 am

1 stop12h 28m

Islip Long Island

Wed 4/8

8:00 am-7:09 am

1 stop23h 09m

$216

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.

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?

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 21m
Direct flights	None

The fastest flight from Atlanta to Islip, New York takes 6h 21m

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 21m 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 72% of the total bookings. Other popular airlines include Frontier with 28%.

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 3,034 reviews		Search Frontier flights
Southwest	PriceFrom $286	Free Cancellation	Rating 8.0 4,319 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 $80

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 3/31. 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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Frontier flights from Atlanta to Islip, New York

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

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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?

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

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

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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Direct flights

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

Traveling to a place near New York?

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An easier way to manage your Islip, New York trip

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