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.

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.

$214 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.

7:59 pm - 11:03 am

ISP

EYW

15h 04m

1 stop

1:01 pm - 11:10 am

EYW

ISP

22h 09m

2 stops

$214Multiple Airlines

Fri, Feb 20 - Tue, Feb 24

8:45 pm - 1:30 pm

ISP

EYW

40h 45m

2 stops

1:06 pm - 11:06 am

EYW

ISP

22h 00m

1 stop

$277Multiple Airlines

Fri, Feb 20 - Fri, Feb 27

1:22 pm - 11:30 am

ISP

EYW

22h 08m

2 stops

2:59 pm - 9:48 am

EYW

ISP

18h 49m

1 stop

$331Multiple Airlines

Mon, Mar 16 - Fri, Mar 20

8:45 pm - 2:42 pm

ISP

EYW

41h 57m

2 stops

9:46 am - 4:13 pm

EYW

ISP

6h 27m

1 stop

$342Multiple Airlines

Fri, Mar 6 - Thu, Mar 12

8:45 pm - 12:30 pm

ISP

EYW

39h 45m

2 stops

9:46 am - 4:13 pm

EYW

ISP

6h 27m

1 stop

$349Multiple Airlines

Fri, Mar 6 - Thu, Mar 12

10:58 am - 12:21 pm

ISP

EYW

25h 23m

1 stop

2:59 pm - 9:48 am

EYW

ISP

18h 49m

1 stop

$361Multiple Airlines

Mon, Mar 16 - Fri, Mar 20

5:07 pm - 10:21 am

ISP

EYW

17h 14m

1 stop

1:01 pm - 11:10 am

EYW

ISP

22h 09m

2 stops

$371Multiple Airlines

Sat, Feb 14 - Tue, Feb 17

5:07 pm - 9:09 am

ISP

EYW

16h 02m

1 stop

9:46 am - 7:38 am

EYW

ISP

21h 52m

1 stop

$380Multiple Airlines

Sun, Feb 15 - Thu, Feb 19

7:26 pm - 12:26 pm

ISP

EYW

17h 00m

2 stops

9:46 am - 7:38 am

EYW

ISP

21h 52m

1 stop

$401Multiple Airlines

Sun, Feb 15 - Thu, Feb 19

5:07 pm - 9:09 am

ISP

EYW

16h 02m

1 stop

12:38 pm - 4:12 pm

EYW

ISP

27h 34m

1 stop

$420Multiple Airlines

Sun, Feb 15 - Wed, Feb 18

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

Feb 20

ISP2:31 pmIslip Long Island

43h 50m

2 stops

EYW10:21 amKey West

Feb 27

EYW9:49 amKey West

25h 21m

2 stops

ISP11:10 amIslip Long Island

$558

Breeze Airways

Feb 20

ISP2:31 pmIslip Long Island

43h 50m

2 stops

EYW10:21 amKey West

Feb 24

EYW1:01 pmKey West

22h 09m

2 stops

ISP11:10 amIslip Long Island

$567

Breeze Airways

Feb 20

ISP2:31 pmIslip Long Island

43h 50m

3 stops

EYW10:21 amKey West

Feb 27

EYW9:49 amKey West

25h 21m

2 stops

ISP11:10 amIslip Long Island

$612

Fly from

Fly to

Route

Depart

Return

Price

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Fri 2/20

7:59 pm-11:03 am

1 stop15h 04m

Key West

Tue 2/24

1:01 pm-11:10 am

2 stops22h 09m

$214

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Fri 2/20

8:45 pm-1:30 pm

2 stops40h 45m

Key West

Fri 2/27

1:06 pm-11:06 am

1 stop22h 00m

$277

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Mon 3/16

1:22 pm-11:30 am

2 stops22h 08m

Key West

Fri 3/20

2:59 pm-9:48 am

1 stop18h 49m

$331

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Fri 3/6

8:45 pm-2:42 pm

2 stops41h 57m

Key West

Thu 3/12

9:46 am-4:13 pm

1 stop6h 27m

$342

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Fri 3/6

8:45 pm-12:30 pm

2 stops39h 45m

Key West

Thu 3/12

9:46 am-4:13 pm

1 stop6h 27m

$349

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Mon 3/16

10:58 am-12:21 pm

1 stop25h 23m

Key West

Fri 3/20

2:59 pm-9:48 am

1 stop18h 49m

$361

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Sat 2/14

5:07 pm-10:21 am

1 stop17h 14m

Key West

Tue 2/17

1:01 pm-11:10 am

2 stops22h 09m

$371

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Sun 2/15

5:07 pm-9:09 am

1 stop16h 02m

Key West

Thu 2/19

9:46 am-7:38 am

1 stop21h 52m

$380

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Sun 2/15

7:26 pm-12:26 pm

2 stops17h 00m

Key West

Thu 2/19

9:46 am-7:38 am

1 stop21h 52m

$401

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Sun 2/15

5:07 pm-9:09 am

1 stop16h 02m

Key West

Wed 2/18

12:38 pm-4:12 pm

1 stop27h 34m

$420

Flights are sorted by cheapest round-trip flights first.

Sorted 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 $437. 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 $581.

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 $490. 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 $491. 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	15h 04m
Direct flights	None

The fastest flight from Islip, New York to Key West takes 15h 04m

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 15h 04m, 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.