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 54% of people opting to fly with this airline when traveling to Key West. Keep in mind that there are 4 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.

$265 Cheap Flights from Islip to Key West in 2025/26

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

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 8:15 amISP-EYW

26h 15m1 stop

8:55 am - 9:13 amEYW-ISP

24h 18m1 stop

$265Multiple Airlines

Find Deal

Wed, Dec 10 - Sun, Dec 14

6:15 am - 9:17 amISP-EYW

27h 02m1 stop

8:55 am - 11:00 amEYW-ISP

50h 05m2 stops

$287Multiple Airlines

Find Deal

Sun, Dec 21 - Sun, Dec 28

11:55 am - 12:26 pmISP-EYW

24h 31m2 stops

10:06 am - 7:45 pmEYW-ISP

9h 39m1 stop

$288Multiple Airlines

Find Deal

Thu, Jan 8 - Sun, Jan 11

8:40 pm - 12:26 pmISP-EYW

15h 46m1 stop

10:06 am - 7:45 pmEYW-ISP

9h 39m1 stop

$302Multiple Airlines

Find Deal

Thu, Jan 8 - Sun, Jan 11

11:55 am - 9:09 amISP-EYW

21h 14m2 stops

1:06 pm - 7:11 pmEYW-ISP

6h 05m1 stop

$305Multiple Airlines

Find Deal

Sun, Mar 8 - Fri, Mar 13

6:00 am - 7:07 amISP-EYW

25h 07m1 stop

9:49 am - 11:10 amEYW-ISP

25h 21m2 stops

$310Multiple Airlines

Find Deal

Fri, Jan 2 - Fri, Jan 9

6:00 am - 8:15 amISP-EYW

26h 15m1 stop

12:20 pm - 9:13 amEYW-ISP

20h 53m2 stops

$318Multiple Airlines

Find Deal

Wed, Dec 10 - Sun, Dec 14

8:19 pm - 12:26 pmISP-EYW

16h 07m1 stop

1:06 pm - 7:11 pmEYW-ISP

6h 05m1 stop

$331Multiple Airlines

Find Deal

Sun, Mar 8 - Fri, Mar 13

6:15 am - 9:17 amISP-EYW

27h 02m1 stop

8:55 am - 1:09 pmEYW-ISP

28h 14m1 stop

$342Multiple Airlines

Find Deal

Sun, Dec 21 - Sun, Dec 28

6:00 am - 7:07 amISP-EYW

25h 07m1 stop

11:04 am - 11:10 amEYW-ISP

24h 06m1 stop

$356Multiple Airlines

Find Deal

Fri, Jan 2 - Fri, Jan 9

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

Jan 24

ISP11:50 amIslip Long Island

22h 31m

2 stops

EYW10:21 amKey West

Jan 31

EYW10:49 amKey West

24h 26m

2 stops

ISP11:15 amIslip Long Island

$513

Find similar

Breeze Airways

Mar 8

ISP11:55 amIslip Long Island

21h 14m

2 stops

EYW9:09 amKey West

Mar 13

EYW9:49 amKey West

25h 28m

2 stops

ISP11:17 amIslip Long Island

$526

Find similar

Breeze Airways

Jan 2

ISP8:47 pmIslip Long Island

37h 32m

2 stops

EYW10:19 amKey West

Jan 9

EYW9:49 amKey West

25h 21m

2 stops

ISP11:10 amIslip Long Island

$602

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Islip, New York to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Wed 12/10

6:00 am-8:15 am

1 stop26h 15m

Key West

Sun 12/14

8:55 am-9:13 am

1 stop24h 18m

$265

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Sun 12/21

6:15 am-9:17 am

1 stop27h 02m

Key West

Sun 12/28

8:55 am-11:00 am

2 stops50h 05m

$287

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 1/8

11:55 am-12:26 pm

2 stops24h 31m

Key West

Sun 1/11

10:06 am-7:45 pm

1 stop9h 39m

$288

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 1/8

8:40 pm-12:26 pm

1 stop15h 46m

Key West

Sun 1/11

10:06 am-7:45 pm

1 stop9h 39m

$302

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Sun 3/8

11:55 am-9:09 am

2 stops21h 14m

Key West

Fri 3/13

1:06 pm-7:11 pm

1 stop6h 05m

$305

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Fri 1/2

6:00 am-7:07 am

1 stop25h 07m

Key West

Fri 1/9

9:49 am-11:10 am

2 stops25h 21m

$310

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Wed 12/10

6:00 am-8:15 am

1 stop26h 15m

Key West

Sun 12/14

12:20 pm-9:13 am

2 stops20h 53m

$318

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Sun 3/8

8:19 pm-12:26 pm

1 stop16h 07m

Key West

Fri 3/13

1:06 pm-7:11 pm

1 stop6h 05m

$331

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Sun 12/21

6:15 am-9:17 am

1 stop27h 02m

Key West

Sun 12/28

8:55 am-1:09 pm

1 stop28h 14m

$342

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Fri 1/2

6:00 am-7:07 am

1 stop25h 07m

Key West

Fri 1/9

11:04 am-11:10 am

1 stop24h 06m

$356

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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 $439. 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 $623.

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 afternoon. momondo users have found flights departing from Islip, New York to Key West in the afternoon for as low as $348. 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 in the evening, with an average ticket price of $686. Departure times in the evening 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	19h 27m
Direct flights	None

The fastest flight from Islip, New York to Key West takes 19h 27m

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.

Search flight deals

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 46m, 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.