What airlines fly to Key West?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Key West from Islip, New York according to our data. United Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Key West. Keep in mind that there are 5 different airlines that fly to Key West on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Islip Long Island to Key West?

Breeze Airways is the most popular carrier operating from Islip Long Island to Key West

When did momondo last update prices for flights from Islip Long Island Airport to Key West Airport?

Prices for flights from Islip Long Island Airport to Key West Airport are refreshed on a daily basis.

How old do you have to be to fly from Islip Long Island Airport to Key West Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Islip Long Island Airport to Key West Airport.

What documentation or ID do you need to fly to Key West Airport?

The necessary travel and health documents for your Key West Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$229 Cheap Flights from Islip to Key West in 2026

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Find the cheapest flights from Islip, New York to Key West

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:08 pm - 12:26 pm

ISP

EYW

19h 18m

1 stop

11:51 am - 4:13 pm

EYW

ISP

28h 22m

1 stop

$229Multiple Airlines

Sun, Mar 8 - Wed, Mar 11

7:49 pm - 12:21 pm

ISP

EYW

16h 32m

1 stop

1:06 pm - 11:10 am

EYW

ISP

46h 04m

2 stops

$455Multiple Airlines

Mon, Feb 16 - Mon, Feb 23

3:34 pm - 12:26 pm

ISP

EYW

20h 52m

1 stop

11:04 am - 11:42 pm

EYW

ISP

36h 38m

2 stops

$482Multiple Airlines

Thu, Feb 26 - Mon, Mar 2

5:08 pm - 1:37 pm

ISP

EYW

20h 29m

2 stops

9:46 am - 3:49 pm

EYW

ISP

6h 03m

1 stop

$519Multiple Airlines

Thu, Mar 12 - Sun, Mar 15

5:08 pm - 11:39 am

ISP

EYW

18h 31m

2 stops

11:51 am - 4:13 pm

EYW

ISP

28h 22m

1 stop

$525Multiple Airlines

Sun, Mar 8 - Wed, Mar 11

5:08 pm - 12:26 pm

ISP

EYW

19h 18m

1 stop

9:46 am - 3:49 pm

EYW

ISP

6h 03m

1 stop

$546Multiple Airlines

Thu, Mar 12 - Sun, Mar 15

7:26 pm - 12:26 pm

ISP

EYW

17h 00m

2 stops

9:49 am - 7:14 pm

EYW

ISP

9h 25m

1 stop

$553Multiple Airlines

Sun, Feb 15 - Fri, Feb 20

3:34 pm - 12:26 pm

ISP

EYW

20h 52m

1 stop

9:49 am - 8:05 pm

EYW

ISP

10h 16m

2 stops

$585Multiple Airlines

Thu, Feb 26 - Mon, Mar 2

5:07 pm - 9:09 am

ISP

EYW

16h 02m

1 stop

9:49 am - 7:14 pm

EYW

ISP

9h 25m

1 stop

$599Multiple Airlines

Sun, Feb 15 - Fri, Feb 20

5:07 pm - 9:09 am

ISP

EYW

16h 02m

1 stop

9:46 am - 7:38 am

EYW

ISP

21h 52m

1 stop

$613Multiple Airlines

Thu, Feb 19 - Sun, Feb 22

Breeze Airways flights from Islip, New York to Key West

Our best Breeze Airways deals on Islip, New York to Key West flight tickets

Breeze Airways

May 16

ISP11:57 amIslip Long Island

22h 27m

2 stops

EYW10:24 amKey West

May 24

EYW11:04 amKey West

6h 06m

2 stops

ISP5:10 pmIslip Long Island

$629

Breeze Airways

Mar 8

ISP11:55 amIslip Long Island

21h 14m

2 stops

EYW9:09 amKey West

Mar 11

EYW11:51 amKey West

30h 55m

3 stops

ISP6:46 pmIslip Long Island

$658

Breeze Airways

Mar 8

ISP7:26 pmIslip Long Island

40h 55m

3 stops

EYW12:21 pmKey West

Mar 11

EYW11:51 amKey West

30h 55m

3 stops

ISP6:46 pmIslip Long Island

$687

JetBlue flights from Islip, New York to Key West

Our best JetBlue deals on Islip, New York to Key West flight tickets

JetBlue

Apr 8

ISP1:07 pmIslip Long Island

22h 31m

2 stops

EYW11:38 amKey West

Apr 11

EYW12:30 pmKey West

20h 39m

2 stops

ISP9:09 amIslip Long Island

$1,810

JetBlue

Feb 17

ISP1:26 pmIslip Long Island

22h 32m

2 stops

EYW11:58 amKey West

Feb 22

EYW12:48 pmKey West

19h 52m

2 stops

ISP8:40 amIslip Long Island

$1,820

JetBlue

Feb 16

ISP1:28 pmIslip Long Island

22h 30m

2 stops

EYW11:58 amKey West

Feb 23

EYW12:48 pmKey West

19h 59m

2 stops

ISP8:47 amIslip Long Island

$1,868

Fly from

Fly to

Route

Depart

Return

Price

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Sun 3/8

5:08 pm-12:26 pm

1 stop19h 18m

Key West

Wed 3/11

11:51 am-4:13 pm

1 stop28h 22m

$229

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Mon 2/16

7:49 pm-12:21 pm

1 stop16h 32m

Key West

Mon 2/23

1:06 pm-11:10 am

2 stops46h 04m

$455

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 2/26

3:34 pm-12:26 pm

1 stop20h 52m

Key West

Mon 3/2

11:04 am-11:42 pm

2 stops36h 38m

$482

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 3/12

5:08 pm-1:37 pm

2 stops20h 29m

Key West

Sun 3/15

9:46 am-3:49 pm

1 stop6h 03m

$519

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Sun 3/8

5:08 pm-11:39 am

2 stops18h 31m

Key West

Wed 3/11

11:51 am-4:13 pm

1 stop28h 22m

$525

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 3/12

5:08 pm-12:26 pm

1 stop19h 18m

Key West

Sun 3/15

9:46 am-3:49 pm

1 stop6h 03m

$546

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Sun 2/15

7:26 pm-12:26 pm

2 stops17h 00m

Key West

Fri 2/20

9:49 am-7:14 pm

1 stop9h 25m

$553

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 2/26

3:34 pm-12:26 pm

1 stop20h 52m

Key West

Mon 3/2

9:49 am-8:05 pm

2 stops10h 16m

$585

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Sun 2/15

5:07 pm-9:09 am

1 stop16h 02m

Key West

Fri 2/20

9:49 am-7:14 pm

1 stop9h 25m

$599

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 2/19

5:07 pm-9:09 am

1 stop16h 02m

Key West

Sun 2/22

9:46 am-7:38 am

1 stop21h 52m

$613

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Islip, New York to Key West

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Key West?

On average, the least expensive day to fly to Key West from Islip, New York is on a Saturday. momondo users have found tickets for Saturday departures for as low as $435. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Islip, New York to Key West for around $585.

What is the cheapest time of day to depart on your flight to Key West?

According to our data, the cheapest time of day to fly to Key West is in the morning. momondo users have found flights departing from Islip, New York to Key West in the morning for as low as $492. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Key West are more costly at noon, with an average ticket price of $533. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Islip, New York to Key West

Are you open to changing your travel dates? Check out the ideal times to fly from Islip, New York to Key West according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Islip, New York to Key West (ISP to EYW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to Key West

Fastest flight time	16h 32m
Direct flights	None

The fastest flight from Islip, New York to Key West takes 16h 32m

There are no direct flights from Islip, New York to Key West. There are no popular flight routes from Islip, New York to Key West.

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How far is Islip Long Island to Key West by plane?
There are 1221.8 mi between Islip Long Island and Key West. Flights usually cover this in 16h 32m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Islip Long Island Airport to Key West Airport?
Prices for flights from Islip Long Island Airport to Key West Airport are refreshed on a daily basis.
How old do you have to be to fly from Islip Long Island Airport to Key West Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Islip Long Island Airport to Key West Airport.
What documentation or ID do you need to fly to Key West Airport?
The necessary travel and health documents for your Key West Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Big Pine Key

Little Torch Key

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Key West?

It is quick and easy to find Islip to Key West flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Key West that suits you.

Can I find flights from Islip to Key West with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Key West from Islip with this policy.

How can momondo help me find flights from Islip to Key West?

Once you have performed a search for Islip to Key West flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Islip to Key West right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Islip to Key West flights. All you need is a valid email address and we will do the rest; it is that quick and easy.