Cheap flights from Islip to Raleigh

One-way fares from $147 · ISP → RDU · prices found by travellers in the last 48 hours

Compare all dates Raleigh → Islip
Cheapest fare
$147

Frontier Airlines · Sun, Jan 10

Cheapest month
January

from $147

Direct flights
Yes

Breeze Airways

Flight time
1h 44m

740 km

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Cheapest month to fly from Islip to Raleigh

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

  1. November 2026 $167
  2. January 2027 Cheapest $147

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About flights from Islip to Raleigh

Islip (ISP) and Raleigh (RDU) are about 740 km apart. Direct flights take around 1h 44m, and recent direct fares were with Breeze Airways. Over the next few months, one-way fares start from $147, and January 2027 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 Raleigh?

The cheapest one-way fare we've seen recently is $147 with Frontier Airlines, departing Sunday, January 10, 2027. Over the coming months, the lowest fare in each month ranges from $147 to $167.

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

January 2027 currently has the lowest fares, from $147 one way.

Are there direct flights from Islip to Raleigh?

Yes. Recent direct fares were with Breeze Airways.

How long is the flight from Islip to Raleigh?

A direct flight takes about 1h 44m. Islip and Raleigh are around 740 km apart.

Which airlines fly from Islip to Raleigh?

Recent fares on this route were with Breeze Airways and Frontier Airlines.

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