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 55% 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.

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.

$168 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.

11:55 am - 2:53 pm

ISP

EYW

26h 58m

2 stops

4:31 pm - 12:47 pm

EYW

ISP

20h 16m

1 stop

$271Multiple Airlines

Thu, Mar 5 - Thu, Mar 12

11:50 am - 2:19 pm

ISP

EYW

26h 29m

2 stops

12:38 pm - 4:22 pm

EYW

ISP

27h 44m

1 stop

$298Multiple Airlines

Wed, Feb 18 - Wed, Feb 25

3:34 pm - 12:26 pm

ISP

EYW

20h 52m

1 stop

4:31 pm - 12:47 pm

EYW

ISP

20h 16m

1 stop

$299Multiple Airlines

Thu, Mar 5 - Thu, Mar 12

9:33 am - 9:06 am

ISP

EYW

23h 33m

1 stop

9:46 am - 12:33 pm

EYW

ISP

26h 47m

1 stop

$316Multiple Airlines

Wed, Mar 4 - Sun, Mar 8

2:03 pm - 3:19 pm

ISP

EYW

25h 16m

1 stop

12:38 pm - 4:22 pm

EYW

ISP

27h 44m

1 stop

$347Multiple Airlines

Wed, Feb 18 - Wed, Feb 25

7:53 pm - 9:09 am

ISP

EYW

13h 16m

1 stop

12:51 pm - 8:05 pm

EYW

ISP

31h 14m

2 stops

$350Multiple Airlines

Sun, Feb 1 - Sun, Feb 8

9:33 am - 9:06 am

ISP

EYW

23h 33m

1 stop

4:22 pm - 1:31 pm

EYW

ISP

21h 09m

2 stops

$363Multiple Airlines

Wed, Mar 4 - Sun, Mar 8

7:26 pm - 12:26 pm

ISP

EYW

17h 00m

2 stops

11:51 am - 4:13 pm

EYW

ISP

28h 22m

1 stop

$383Multiple Airlines

Thu, Mar 19 - Wed, Mar 25

8:19 pm - 11:30 am

ISP

EYW

15h 11m

2 stops

4:22 pm - 11:59 pm

EYW

ISP

7h 37m

1 stop

$389Multiple Airlines

Mon, Apr 6 - Thu, Apr 9

7:26 pm - 12:26 pm

ISP

EYW

17h 00m

2 stops

11:51 am - 4:13 pm

EYW

ISP

28h 22m

1 stop

$398Multiple Airlines

Thu, Mar 19 - Wed, Mar 25

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

Mar 5

ISP7:26 pmIslip Long Island

17h 00m

2 stops

EYW12:26 pmKey West

Mar 12

EYW4:22 pmKey West

21h 09m

2 stops

ISP1:31 pmIslip Long Island

$609

Breeze Airways

Jun 1

ISP2:28 pmIslip Long Island

22h 06m

2 stops

EYW12:34 pmKey West

Jun 5

EYW11:09 amKey West

24h 08m

1 stop

ISP11:17 amIslip Long Island

$611

Breeze Airways

Mar 4

ISP11:50 amIslip Long Island

27h 52m

2 stops

EYW3:42 pmKey West

Mar 8

EYW9:46 amKey West

34h 19m

2 stops

ISP8:05 pmIslip Long Island

$626

JetBlue flights from Islip, New York to Key West

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

JetBlue

Feb 18

ISP1:26 pmIslip Long Island

22h 32m

2 stops

EYW11:58 amKey West

Feb 25

EYW12:48 pmKey West

19h 59m

2 stops

ISP8:47 amIslip Long Island

$1,466

JetBlue

Jan 14

ISP12:25 pmIslip Long Island

23h 40m

3 stops

EYW12:05 pmKey West

Jan 20

EYW1:00 pmKey West

19h 52m

2 stops

ISP8:52 amIslip Long Island

$1,947

Fly from

Fly to

Route

Depart

Return

Price

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 3/5

11:55 am-2:53 pm

2 stops26h 58m

Key West

Thu 3/12

4:31 pm-12:47 pm

1 stop20h 16m

$271

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Wed 2/18

11:50 am-2:19 pm

2 stops26h 29m

Key West

Wed 2/25

12:38 pm-4:22 pm

1 stop27h 44m

$298

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 3/5

3:34 pm-12:26 pm

1 stop20h 52m

Key West

Thu 3/12

4:31 pm-12:47 pm

1 stop20h 16m

$299

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Wed 3/4

9:33 am-9:06 am

1 stop23h 33m

Key West

Sun 3/8

9:46 am-12:33 pm

1 stop26h 47m

$316

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Wed 2/18

2:03 pm-3:19 pm

1 stop25h 16m

Key West

Wed 2/25

12:38 pm-4:22 pm

1 stop27h 44m

$347

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Sun 2/1

7:53 pm-9:09 am

1 stop13h 16m

Key West

Sun 2/8

12:51 pm-8:05 pm

2 stops31h 14m

$350

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Wed 3/4

9:33 am-9:06 am

1 stop23h 33m

Key West

Sun 3/8

4:22 pm-1:31 pm

2 stops21h 09m

$363

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 3/19

7:26 pm-12:26 pm

2 stops17h 00m

Key West

Wed 3/25

11:51 am-4:13 pm

1 stop28h 22m

$383

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Mon 4/6

8:19 pm-11:30 am

2 stops15h 11m

Key West

Thu 4/9

4:22 pm-11:59 pm

1 stop7h 37m

$389

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 3/19

7:26 pm-12:26 pm

2 stops17h 00m

Key West

Wed 3/25

11:51 am-4:13 pm

1 stop28h 22m

$398

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 Tuesday. momondo users have found tickets for Tuesday departures for as low as $433. 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 $493. 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 $575. 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	9h 42m
Direct flights	None

The fastest flight from Islip, New York to Key West takes 9h 42m

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 9h 42m, 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.