Cheap flights from Islip to New Orleans

One-way fares from $164 · ISP → MSY · prices found by travellers in the last 48 hours

Compare all dates New Orleans → Islip
Cheapest fare
$164

Frontier Airlines · Sat, Nov 21

Cheapest month
November

from $164

Direct flights
Not recently

Usually 1+ stop

Quickest trip
5h 03m

1,950 km

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Cheapest month to fly from Islip to New Orleans

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

  1. November 2026 Cheapest $164

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About flights from Islip to New Orleans

Islip (ISP) and New Orleans (MSY) are about 1,950 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 03m. Over the next few months, one-way fares start from $164, 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 New Orleans?

The cheapest one-way fare we've seen recently is $164 with Frontier Airlines, departing Saturday, November 21, 2026.

What is the cheapest month to fly from Islip to New Orleans?

November 2026 currently has the lowest fares, from $164 one way.

Are there direct flights from Islip to New Orleans?

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

How long is the flight from Islip to New Orleans?

The quickest journey we've seen takes about 5h 03m. Islip and New Orleans are around 1,950 km apart.

Which airlines fly from Islip to New Orleans?

Recent fares on this route were with Frontier Airlines.

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