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

Frontier and JetBlue are the most popular carriers operating from Atlanta Hartsfield-Jackson to Islip Long Island

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 47% 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.

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 November 2025, 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.

$55 Cheap Flights from Atlanta to Islip in 2025/26

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12:50 pm - 10:44 pmATL-ISP

9h 54m1 stop

10:19 am - 9:41 pmISP-ATL

11h 22m1 stop

$110Frontier

Find Deal

mié., dic. 3 - lun., dic. 8

10:40 pm - 3:10 pmATL-ISP

16h 30m1 stop

10:19 am - 9:41 pmISP-ATL

11h 22m1 stop

$124Frontier

Find Deal

vie., dic. 5 - lun., dic. 8

10:40 pm - 11:59 pmATL-ISP

25h 19m1 stop

12:07 pm - 9:34 pmISP-ATL

9h 27m1 stop

$128Frontier

Find Deal

jue., dic. 11 - dom., dic. 14

9:04 am - 7:34 pmATL-ISP

10h 30m1 stop

8:29 pm - 6:01 pmISP-ATL

21h 32m1 stop

$132Frontier

Find Deal

mar., dic. 2 - vie., dic. 5

8:36 am - 4:15 pmATL-ISP

7h 39m1 stop

11:35 am - 7:32 amISP-ATL

19h 57m1 stop

$138Frontier

Find Deal

vie., ene. 23 - dom., ene. 25

10:40 pm - 3:10 pmATL-ISP

16h 30m1 stop

12:07 pm - 9:34 pmISP-ATL

9h 27m1 stop

$142Frontier

Find Deal

vie., dic. 5 - dom., dic. 7

10:46 pm - 9:13 amATL-ISP

10h 27m1 stop

12:07 pm - 9:34 pmISP-ATL

9h 27m1 stop

$146Frontier

Find Deal

vie., dic. 12 - dom., dic. 14

1:31 pm - 5:42 pmATL-ISP

28h 11m1 stop

6:27 pm - 6:36 pmISP-ATL

24h 09m1 stop

$150Frontier

Find Deal

mié., nov. 12 - mar., nov. 18

2:05 pm - 10:44 pmATL-ISP

8h 39m2 stops

6:00 am - 7:31 amISP-ATL

25h 31m1 stop

$151Multiple Airlines

Find Deal

mié., dic. 3 - lun., dic. 8

9:23 am - 7:34 pmATL-ISP

10h 11m1 stop

8:29 pm - 12:10 pmISP-ATL

15h 41m2 stops

$160Multiple Airlines

Find Deal

mar., dic. 2 - vie., dic. 5

Frontier flights from Atlanta to Islip, New York

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

Frontier

Dec 3

ATL12:50 pmAtlanta Hartsfield-Jackson

9h 54m

1 stop

ISP10:44 pmIslip Long Island

Dec 8

ISP10:19 amIslip Long Island

11h 22m

1 stop

ATL9:41 pmAtlanta Hartsfield-Jackson

$110

Find similar

Frontier

Dec 5

ATL10:40 pmAtlanta Hartsfield-Jackson

16h 30m

1 stop

ISP3:10 pmIslip Long Island

Dec 8

ISP10:19 amIslip Long Island

11h 22m

1 stop

ATL9:41 pmAtlanta Hartsfield-Jackson

$124

Find similar

Frontier

Dec 11

ATL10:40 pmAtlanta Hartsfield-Jackson

25h 19m

1 stop

ISP11:59 pmIslip Long Island

Dec 14

ISP12:07 pmIslip Long Island

9h 27m

1 stop

ATL9:34 pmAtlanta Hartsfield-Jackson

$128

Find similar

Southwest flights from Atlanta to Islip, New York

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

Southwest

Nov 17

ATL6:00 pmAtlanta Hartsfield-Jackson

4h 05m

1 stop

ISP10:05 pmIslip Long Island

Nov 18

ISP3:55 pmIslip Long Island

4h 05m

1 stop

ATL8:00 pmAtlanta Hartsfield-Jackson

$467

Find similar

Southwest

Nov 17

ATL12:10 pmAtlanta Hartsfield-Jackson

9h 55m

2 stops

ISP10:05 pmIslip Long Island

Nov 18

ISP12:55 pmIslip Long Island

6h 25m

2 stops

ATL7:20 pmAtlanta Hartsfield-Jackson

$477

Find similar

Southwest

Nov 14

ATL10:20 amAtlanta Hartsfield-Jackson

6h 35m

2 stops

ISP4:55 pmIslip Long Island

Nov 17

ISP5:40 amIslip Long Island

8h 25m

2 stops

ATL2:05 pmAtlanta Hartsfield-Jackson

$627

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

mié. 12/3

12:50 pm-10:44 pm

1 stop9h 54m

Islip Long Island

lun. 12/8

10:19 am-9:41 pm

1 stop11h 22m

$110

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

vie. 12/5

10:40 pm-3:10 pm

1 stop16h 30m

Islip Long Island

lun. 12/8

10:19 am-9:41 pm

1 stop11h 22m

$124

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

jue. 12/11

10:40 pm-11:59 pm

1 stop25h 19m

Islip Long Island

dom. 12/14

12:07 pm-9:34 pm

1 stop9h 27m

$128

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

mar. 12/2

9:04 am-7:34 pm

1 stop10h 30m

Islip Long Island

vie. 12/5

8:29 pm-6:01 pm

1 stop21h 32m

$132

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

vie. 1/23

8:36 am-4:15 pm

1 stop7h 39m

Islip Long Island

dom. 1/25

11:35 am-7:32 am

1 stop19h 57m

$138

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

vie. 12/5

10:40 pm-3:10 pm

1 stop16h 30m

Islip Long Island

dom. 12/7

12:07 pm-9:34 pm

1 stop9h 27m

$142

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

vie. 12/12

10:46 pm-9:13 am

1 stop10h 27m

Islip Long Island

dom. 12/14

12:07 pm-9:34 pm

1 stop9h 27m

$146

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

mié. 11/12

1:31 pm-5:42 pm

1 stop28h 11m

Islip Long Island

mar. 11/18

6:27 pm-6:36 pm

1 stop24h 09m

$150

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

mié. 12/3

2:05 pm-10:44 pm

2 stops8h 39m

Islip Long Island

lun. 12/8

6:00 am-7:31 am

1 stop25h 31m

$151

AtlantaIslip

ATL - ISP

ATLISP

Atlanta Hartsfield-Jackson

mar. 12/2

9:23 am-7:34 pm

1 stop10h 11m

Islip Long Island

vie. 12/5

8:29 pm-12:10 pm

2 stops15h 41m

$160

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 September is, on average, the cheapest month to fly to Islip, New York from Atlanta, with most prices found around $144. If you aren’t able to travel to Islip, New York during the month of September, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $163.

What is the cheapest day to depart on your flight to Islip, New York?

The cheapest day to depart from Atlanta to Islip, New York is on a Wednesday. Travelers who choose to depart for Islip, New York on a Wednesday will often find tickets for as low as $164. The most expensive day to fly to Islip, New York is Friday, with ticket prices averaging around $178.

What is the cheapest time of day to depart on your flight to Islip, New York?

Flying to Islip, New York from Atlanta in the evening is the least expensive time of day to depart. momondo users have found prices as low as $168 when looking at flights departing in the evening. Flights to Islip, New York are more costly at noon, with an average ticket price of $274. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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?

As of November 2025, prices for Atlanta to Islip, New York flights are approximately 96% more expensive when compared to flights at the same time last year.

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

Direct flights	None

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 5h 30m 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 November 2025, 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 10.53% of the total bookings. Other popular models include Airbus A321-100/200 with 10.53%, Airbus A321neo with 10.53%, and Boeing 737-900 with 10.53%.
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 67% of the total bookings. Other popular airlines include Frontier with 33%.

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 $57	Free Cancellation	Rating 5.8 3,117 reviews		Search Frontier flights
Southwest	PriceFrom $296	Free Cancellation	Rating 8.0 4,238 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.

An easier way to manage your Islip, New York trip

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mié. 12/3

mié. 12/10

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Cheap flights from Atlanta to New York from $55

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 1/7. 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

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Our best Southwest 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

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 Islip, New York?

What is the cheapest day to depart on your flight to Islip, New York?

The cheapest day to depart from Atlanta to Islip, New York is on a Wednesday. Travelers who choose to depart for Islip, New York on a Wednesday will often find tickets for as low as $164. The most expensive day to fly to Islip, New York is Friday, with ticket prices averaging around $178.

What is the cheapest time of day to depart on your flight to Islip, New York?

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?

As of November 2025, prices for Atlanta to Islip, New York flights are approximately 96% more expensive when compared to flights at the same time last year.

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

Frontier and JetBlue are the most popular carriers operating 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

Direct flights

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

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

How many operators does momondo search 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?

What documentation or ID do you need to fly to Islip Long Island Airport?

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

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

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?

Why use momondo?

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

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

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

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

An easier way to manage your Islip, New York trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing New York