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.

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.

$111 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

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

11:55 am - 9:09 am

ISP

EYW

21h 14m2 stops

1:06 pm - 7:51 pm

EYW

ISP

6h 45m1 stop

$226Multiple Airlines

Thu, Jan 8 - Mon, Jan 12

11:55 am - 3:02 pm

ISP

EYW

27h 07m2 stops

10:27 pm - 6:38 pm

EYW

ISP

20h 11m1 stop

$231Multiple Airlines

Thu, Jan 29 - Thu, Feb 5

11:50 am - 10:21 am

ISP

EYW

22h 31m2 stops

10:49 am - 12:57 pm

EYW

ISP

26h 08m1 stop

$240Multiple Airlines

Wed, Jan 7 - Wed, Jan 14

8:40 pm - 12:26 pm

ISP

EYW

15h 46m1 stop

1:06 pm - 7:51 pm

EYW

ISP

6h 45m1 stop

$305Multiple Airlines

Thu, Jan 8 - Mon, Jan 12

7:43 pm - 12:26 pm

ISP

EYW

16h 43m1 stop

10:27 pm - 6:38 pm

EYW

ISP

20h 11m1 stop

$337Multiple Airlines

Thu, Jan 29 - Thu, Feb 5

2:03 pm - 9:06 am

ISP

EYW

19h 03m1 stop

1:01 pm - 11:10 am

EYW

ISP

22h 09m2 stops

$446Multiple Airlines

Wed, Feb 11 - Tue, Feb 17

11:55 am - 9:09 am

ISP

EYW

21h 14m2 stops

9:46 am - 1:31 pm

EYW

ISP

27h 45m2 stops

$564Breeze Airways

Thu, Jan 29 - Thu, Feb 5

11:55 am - 9:09 am

ISP

EYW

21h 14m2 stops

1:06 pm - 11:10 am

EYW

ISP

46h 04m2 stops

$597Breeze Airways

Thu, Jan 8 - Mon, Jan 12

11:55 am - 9:09 am

ISP

EYW

21h 14m2 stops

11:01 am - 1:31 pm

EYW

ISP

26h 30m3 stops

$606Breeze Airways

Thu, Jan 29 - Thu, Feb 5

11:50 am - 9:26 am

ISP

EYW

21h 36m2 stops

10:49 am - 11:15 am

EYW

ISP

24h 26m2 stops

$627Breeze Airways

Wed, Jan 7 - Wed, Jan 14

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 29

ISP11:55 amIslip Long Island

21h 14m

2 stops

EYW9:09 amKey West

Feb 5

EYW9:46 amKey West

27h 45m

2 stops

ISP1:31 pmIslip Long Island

$564

Find similar

Breeze Airways

Jan 8

ISP11:55 amIslip Long Island

21h 14m

2 stops

EYW9:09 amKey West

Jan 12

EYW1:06 pmKey West

46h 04m

2 stops

ISP11:10 amIslip Long Island

$597

Find similar

Breeze Airways

Jan 29

ISP11:55 amIslip Long Island

21h 14m

2 stops

EYW9:09 amKey West

Feb 5

EYW11:01 amKey West

26h 30m

3 stops

ISP1:31 pmIslip Long Island

$606

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

Thu 1/8

11:55 am-9:09 am

2 stops21h 14m

Key West

Mon 1/12

1:06 pm-7:51 pm

1 stop6h 45m

$226

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 1/29

11:55 am-3:02 pm

2 stops27h 07m

Key West

Thu 2/5

10:27 pm-6:38 pm

1 stop20h 11m

$231

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Wed 1/7

11:50 am-10:21 am

2 stops22h 31m

Key West

Wed 1/14

10:49 am-12:57 pm

1 stop26h 08m

$240

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 1/8

8:40 pm-12:26 pm

1 stop15h 46m

Key West

Mon 1/12

1:06 pm-7:51 pm

1 stop6h 45m

$305

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 1/29

7:43 pm-12:26 pm

1 stop16h 43m

Key West

Thu 2/5

10:27 pm-6:38 pm

1 stop20h 11m

$337

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Wed 2/11

2:03 pm-9:06 am

1 stop19h 03m

Key West

Tue 2/17

1:01 pm-11:10 am

2 stops22h 09m

$446

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 1/29

11:55 am-9:09 am

2 stops21h 14m

Key West

Thu 2/5

9:46 am-1:31 pm

2 stops27h 45m

$564

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 1/8

11:55 am-9:09 am

2 stops21h 14m

Key West

Mon 1/12

1:06 pm-11:10 am

2 stops46h 04m

$597

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 1/29

11:55 am-9:09 am

2 stops21h 14m

Key West

Thu 2/5

11:01 am-1:31 pm

3 stops26h 30m

$606

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Wed 1/7

11:50 am-9:26 am

2 stops21h 36m

Key West

Wed 1/14

10:49 am-11:15 am

2 stops24h 26m

$627

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 $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 $588.

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 at noon. momondo users have found flights departing from Islip, New York to Key West at noon for as low as $487. 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 morning, with an average ticket price of $495. Departure times in the morning 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	14h 48m
Direct flights	None

The fastest flight from Islip, New York to Key West takes 14h 48m

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 14h 48m, 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.