C$105 Cheap Flights from Atlanta (ATLA) to Islip (ISP)

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Find the cheapest month to fly from Atlanta to Islip

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Atlanta to Islip flights are currently cheapest in June.

Atlanta to Islip: Flight information

The things to know before you go.
Cheapest flight foundC$105
Cheapest month to flyJune

Finding cheap flights from Atlanta to Islip: Frequently asked questions

The best price we found for a return flight from Atlanta to Islip is C$191. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Atlanta to Islip. But we found flights with one stop from C$191.
As of May 2026, there are no flights flying from Atlanta to Islip.
The cheapest month to fly from Atlanta to Islip is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Atlanta to Islip Airport on Wednesday, May 20, 2026.
No airlines currently offer direct flights between Atlanta and Islip Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Islip but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Islip is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Islip is Frontier Airlines .

Travelling from Atlanta to Long Island MacArthur Airport (ISP): what you need to know

  • Atlanta's main airport is Hartsfield-Jackson Atlanta International Airport (ATL). Explore your options for departing from this terminal when booking your flights from Atlanta to Long Island MacArthur Airport (ISP).

  • Approximately 2 hours 21 minutes is how long you can expect to be in the air on a direct flight from Atlanta to Long Island MacArthur Airport.

  • Islip's timezone is UTC-4, which is the same as Atlanta. Long Island MacArthur Airport is located in Islip.

  • Hartsfield-Jackson Atlanta International Airport (ATL) to Long Island MacArthur Airport (ISP) is the most popular route. There are 2 direct departures a week to pick from. If you have things to do before heading off, hop on the last flight with Frontier Airlines at 17:39. Opt for the first ATL to ISP departure with Frontier Airlines at 08:11 if you want to get going earlier.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Show up at the airport on time to board your flight from Atlanta to ISP.

  • Travelling during a peak month like July? High seasons (like Thanksgiving, Christmas and New Year) can add another hour at check-in and security. Play things extra safe and arrive up to four hours ahead of an international flight and two hours before domestic departures.

Airports in Atlanta

Hartsfield-Jackson Atlanta International Airport (ATL)

  • Hartsfield-Jackson Atlanta International Airport (ATL) makes it easy to travel directly to your destination. Nonstop flights from Atlanta to Long Island MacArthur Airport (ISP) take off from this terminal.

  • You can travel on a direct flight from Atlanta to Long Island MacArthur Airport with Frontier Airlines. This leading airline operates services from ATL.

  • ATL is approximately 18 kilometres from the centre of Atlanta. To help work out how to get there, use Google Maps. This useful traveller tool will give you the quickest route and your public transport options.

  • After a leisurely start to your trip? Stay near Hartsfield-Jackson Atlanta International Airport. Whether you've booked an early flight from Atlanta to Long Island MacArthur Airport or just don't want to be rushed, these hotels are perfect:

About Long Island MacArthur Airport (ISP)

Getting from Long Island MacArthur Airport (ISP) to central Islip

  • From Long Island MacArthur Airport, Islip is approximately 16 kilometres away. It takes around 17 minutes to get to the centre driving.

  • Travelling by public transport typically takes 1 hour and 11 minutes.

How to find the cheapest flights from Atlanta to Long Island MacArthur Airport (ISP)

  • For a one-way ticket from Atlanta to Long Island MacArthur Airport, C$105 is the cheapest price. You can also book a return trip starting from C$191. These are currently the lowest fares and may differ depending on availability.

  • We recommend booking 8 months ahead. Flight price data suggests you're more likely to find flight tickets from Atlanta to ISP around that time.

  • Schedule your trip for May. That's the cheapest month for tickets from Atlanta to Long Island MacArthur Airport. If you're flexible with your travel dates, use the 'Whole month' tool to see the lowest price across each month.

  • Finding a cheap ticket from Atlanta to ISP is a breeze with Price Alerts. Simply create one of these automatic alerts and we'll get in touch when the price drops.

  • Personalize your trip using filters. Adjust the number of stops, total duration, and arrival and departure times to find the right flight from Atlanta to Long Island MacArthur Airport. You can also sort the results to see the 'Fastest,' 'Best' or 'Cheapest' options first.

The best time to fly from Atlanta to Long Island MacArthur Airport (ISP)

  • August is the most popular month to board a flight from Atlanta to Long Island MacArthur Airport while May is the quietest. To work out the ideal time to visit Islip, consider whether you like a lively atmosphere or a quieter vibe.

  • Schedule your flight from Atlanta to ISP for July if you're eager to head to the city during its warmest month. You can expect temperatures in Islip to range from 19ºC to 29ºC.

  • Visit in January if you want cooler conditions. Temperatures average between -4ºC and 8ºC. However, this destination delivers on a good time whenever you book your cheap flights from Atlanta to Long Island MacArthur Airport.

More about Islip

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.