Cheap flights from Islip to Atlanta

One-way fares from $135 · ISP → ATL · prices found by travellers in the last 48 hours

Compare all dates Atlanta → Islip
Cheapest fare
$135

Frontier Airlines · Mon, Nov 23

Cheapest month
November

from $135

Direct flights
Not recently

Usually 1+ stop

Quickest trip
5h 02m

1,270 km

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Cheapest month to fly from Islip to Atlanta

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $135

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About flights from Islip to Atlanta

Islip (ISP) and Atlanta (ATL) are about 1,270 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 5h 02m. Over the next few months, one-way fares start from $135, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Islip to Atlanta?

The cheapest one-way fare we've seen recently is $135 with Frontier Airlines, departing Monday, November 23, 2026.

What is the cheapest month to fly from Islip to Atlanta?

November 2026 currently has the lowest fares, from $135 one way.

Are there direct flights from Islip to Atlanta?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Islip to Atlanta?

The quickest journey we've seen takes about 5h 02m. Islip and Atlanta are around 1,270 km apart.

Which airlines fly from Islip to Atlanta?

Recent fares on this route were with Frontier Airlines.

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