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 4 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.

$244 Cheap Flights from Islip to Key West in 2025/26

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0 bags

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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.

10:02 am - 8:15 amISP-EYW

22h 13m1 stop

8:55 am - 10:37 amEYW-ISP

25h 42m1 stop

$244Multiple Airlines

Find Deal

Thu, Nov 20 - Thu, Nov 27

11:40 am - 8:15 amISP-EYW

20h 35m2 stops

8:55 am - 10:37 amEYW-ISP

25h 42m1 stop

$276Multiple Airlines

Find Deal

Thu, Nov 20 - Thu, Nov 27

12:35 pm - 2:56 pmISP-EYW

26h 21m1 stop

1:01 pm - 11:05 amEYW-ISP

22h 04m2 stops

$278Multiple Airlines

Find Deal

Sat, Jan 17 - Sat, Jan 24

11:40 am - 7:07 amISP-EYW

19h 27m2 stops

8:55 am - 8:02 amEYW-ISP

23h 07m1 stop

$371Multiple Airlines

Find Deal

Tue, Nov 25 - Sun, Nov 30

11:50 am - 10:21 amISP-EYW

22h 31m2 stops

10:49 am - 11:05 amEYW-ISP

24h 16m2 stops

$518Breeze Airways

Find Deal

Sat, Jan 17 - Sat, Jan 24

11:45 am - 9:09 amISP-EYW

21h 24m2 stops

1:06 pm - 11:10 amEYW-ISP

46h 04m2 stops

$596Breeze Airways

Find Deal

Thu, Feb 26 - Mon, Mar 2

11:45 am - 9:09 amISP-EYW

21h 24m2 stops

11:04 am - 11:10 amEYW-ISP

24h 06m1 stop

$616Breeze Airways

Find Deal

Sun, Feb 15 - Fri, Feb 20

11:45 am - 9:09 amISP-EYW

21h 24m2 stops

9:46 am - 1:31 pmEYW-ISP

27h 45m2 stops

$643Breeze Airways

Find Deal

Thu, Feb 19 - Sun, Feb 22

5:03 pm - 12:26 pmISP-EYW

19h 23m1 stop

11:04 am - 11:10 amEYW-ISP

24h 06m1 stop

$677Multiple Airlines

Find Deal

Sun, Feb 15 - Fri, Feb 20

6:49 pm - 12:26 pmISP-EYW

41h 37m3 stops

10:49 am - 11:05 amEYW-ISP

24h 16m2 stops

$727Breeze Airways

Find Deal

Sat, Jan 17 - Sat, Jan 24

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 17

ISP11:50 amIslip Long Island

22h 31m

2 stops

EYW10:21 amKey West

Jan 24

EYW10:49 amKey West

24h 16m

2 stops

ISP11:05 amIslip Long Island

$518

Find similar

Breeze Airways

Feb 26

ISP11:45 amIslip Long Island

21h 24m

2 stops

EYW9:09 amKey West

Mar 2

EYW1:06 pmKey West

46h 04m

2 stops

ISP11:10 amIslip Long Island

$596

Find similar

Breeze Airways

Feb 15

ISP11:45 amIslip Long Island

21h 24m

2 stops

EYW9:09 amKey West

Feb 20

EYW11:04 amKey West

24h 06m

1 stop

ISP11:10 amIslip Long Island

$616

Find similar

Fly from

Fly to

Route

Depart

Return

Price

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 11/20

10:02 am-8:15 am

1 stop22h 13m

Key West

Thu 11/27

8:55 am-10:37 am

1 stop25h 42m

$244

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 11/20

11:40 am-8:15 am

2 stops20h 35m

Key West

Thu 11/27

8:55 am-10:37 am

1 stop25h 42m

$276

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Sat 1/17

12:35 pm-2:56 pm

1 stop26h 21m

Key West

Sat 1/24

1:01 pm-11:05 am

2 stops22h 04m

$278

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Tue 11/25

11:40 am-7:07 am

2 stops19h 27m

Key West

Sun 11/30

8:55 am-8:02 am

1 stop23h 07m

$371

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Sat 1/17

11:50 am-10:21 am

2 stops22h 31m

Key West

Sat 1/24

10:49 am-11:05 am

2 stops24h 16m

$518

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 2/26

11:45 am-9:09 am

2 stops21h 24m

Key West

Mon 3/2

1:06 pm-11:10 am

2 stops46h 04m

$596

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Sun 2/15

11:45 am-9:09 am

2 stops21h 24m

Key West

Fri 2/20

11:04 am-11:10 am

1 stop24h 06m

$616

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 2/19

11:45 am-9:09 am

2 stops21h 24m

Key West

Sun 2/22

9:46 am-1:31 pm

2 stops27h 45m

$643

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Sun 2/15

5:03 pm-12:26 pm

1 stop19h 23m

Key West

Fri 2/20

11:04 am-11:10 am

1 stop24h 06m

$677

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Sat 1/17

6:49 pm-12:26 pm

3 stops41h 37m

Key West

Sat 1/24

10:49 am-11:05 am

2 stops24h 16m

$727

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 Tuesday. momondo users have found tickets for Tuesday departures for as low as $438. 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 $622.

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

Direct flights	None

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 17h 00m, 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.