Cheap flights from Islip to Fort Lauderdale from $278 ISP → FLL

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $294 to $434.

At $609, the cheapest return found recently is above that range.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 2-night return fares leaving within 3 days of 20 Nov to compare.

Every date we hold

54 fares on 22 departure dates

Which month looks cheapest?

November 2026 is the cheapest month — from $366.

Found recently, and the cheapest we hold

It is also the cheapest one-way we hold, of any age.

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $146 to $386.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

No. We hold one-way fares on 2 other departure dates within 3 days of 13 Dec, and none is cheaper.

Every date we hold

12 fares on 12 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $278.

Return

Fares 14 to 29 days before departure were typically 40% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

One-way

Fares 14 to 29 days before departure were typically 49% lower than 0 to 6 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

How much is a return flight from Islip to Fort Lauderdale?

The cheapest return found recently is $609 with jetBlue, 20 Nov to 22 Nov, found 2 days ago. The cheapest return we hold, of any age, is $366 with jetBlue, 24 Nov to 27 Nov, found 3 days ago. The cheapest return fare on each of 22 departure dates is usually $544 to $893.

How much is a one-way flight from Islip to Fort Lauderdale?

The cheapest one-way found recently is $278 with jetBlue, 13 Dec, found 2 days ago. The cheapest one-way fare on each of 12 departure dates is usually $319 to $504.

What is the cheapest month to fly from Islip to Fort Lauderdale?

November 2026 is the cheapest month for a return, from $366, 24 Nov to 27 Nov, found 3 days ago. December 2026 is the cheapest month for a one-way, from $278, 13 Dec, found 2 days ago.

Every date in November 2026

Every date in December 2026

How far ahead should I book a flight from Islip to Fort Lauderdale?

In 49 days of prices between 24 Sept and 11 Nov, return fares 14 to 29 days before departure were typically 40% lower than 0 to 6 days before departure. One-way fares 14 to 29 days before departure were typically 49% lower than 0 to 6 days before departure.

Is there a direct flight from Islip to Fort Lauderdale?

Yes, the cheapest nonstop return found recently is $609 with jetBlue, 20 Nov to 22 Nov, found 2 days ago. The cheapest nonstop one-way found recently is $278 with jetBlue, 13 Dec, found 2 days ago.

Every nonstop date from Islip to Fort Lauderdale

How long is the flight from Islip to Fort Lauderdale?

The cheapest nonstop one-way found recently, with jetBlue on 13 Dec, takes 3 h 5 min from Long Island MacArthur Airport (ISP) to Fort Lauderdale-Hollywood International Airport (FLL).

Which airlines have the cheapest flights from Islip to Fort Lauderdale?

Between 13 Nov and 1 Feb 2027, jetBlue has the cheapest return on 21 of the 22 departure dates we hold, and Frontier Airlines on 1. Between 16 Nov and 2 Jan 2027, jetBlue has the cheapest one-way on all 12 departure dates we hold.