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 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.

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.

$289 Cheap Flights from Islip to Key West (ISP-EYW) in 2025

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Find the cheapest flights from Islip to Key West (ISP-EYW)

Round-trip

One-way

Cheap round-trip flights

5:12 pm - 8:41 pmISP-EYW

27h 29m1 stop

3:30 pm - 10:40 amEYW-ISP

19h 10m1 stop

$304

Find Deal

Thu, Sep 25 - Thu, Oct 2

11:40 am - 11:19 amISP-EYW

23h 39m2 stops

3:30 pm - 10:40 amEYW-ISP

19h 10m1 stop

$340

Find Deal

Thu, Sep 25 - Thu, Oct 2

11:40 am - 9:07 amISP-EYW

21h 27m2 stops

9:47 am - 11:00 amEYW-ISP

25h 13m2 stops

$564Breeze Airways

Find Deal

Sun, Oct 26 - Wed, Oct 29

11:40 am - 9:07 amISP-EYW

21h 27m2 stops

9:47 am - 11:00 amEYW-ISP

25h 13m2 stops

$601Breeze Airways

Find Deal

Thu, Oct 2 - Wed, Oct 8

11:45 am - 9:09 amISP-EYW

21h 24m2 stops

11:01 am - 1:21 pmEYW-ISP

26h 20m2 stops

$627Breeze Airways

Find Deal

Thu, Jan 22 - Thu, Jan 29

7:36 pm - 11:05 amISP-EYW

39h 29m3 stops

9:47 am - 11:00 amEYW-ISP

25h 13m2 stops

$636Breeze Airways

Find Deal

Sun, Oct 26 - Wed, Oct 29

11:40 am - 9:07 amISP-EYW

21h 27m2 stops

8:55 am - 8:07 pmEYW-ISP

35h 12m2 stops

$640Breeze Airways

Find Deal

Thu, Nov 6 - Sun, Nov 9

11:40 am - 9:07 amISP-EYW

21h 27m2 stops

8:55 am - 1:45 pmEYW-ISP

28h 50m2 stops

$664Breeze Airways

Find Deal

Thu, Nov 6 - Sun, Nov 9

2:19 pm - 2:04 pmISP-EYW

47h 45m2 stops

3:00 pm - 10:58 amEYW-ISP

19h 58m2 stops

$1,012

Find Deal

Wed, Nov 12 - Tue, Nov 18

12:10 pm - 11:22 amISP-EYW

23h 12m2 stops

12:07 pm - 10:00 amEYW-ISP

21h 53m2 stops

$1,989JetBlue

Find Deal

Sun, Feb 15 - Mon, Feb 23

Breeze Airways flights from Islip to Key West

Our best Breeze Airways deals on Islip to Key West flight tickets

Breeze Airways

Oct 26

ISP11:40 amIslip Long Island

21h 27m

2 stops

EYW9:07 amKey West

Oct 29

EYW9:47 amKey West

25h 13m

2 stops

ISP11:00 amIslip Long Island

$564

Find similar

Breeze Airways

Oct 2

ISP11:40 amIslip Long Island

21h 27m

2 stops

EYW9:07 amKey West

Oct 8

EYW9:47 amKey West

25h 13m

2 stops

ISP11:00 amIslip Long Island

$601

Find similar

Breeze Airways

Jan 22

ISP11:45 amIslip Long Island

21h 24m

2 stops

EYW9:09 amKey West

Jan 29

EYW11:01 amKey West

26h 20m

2 stops

ISP1:21 pmIslip Long Island

$627

Find similar

Fly from

Fly to

Route

Depart

Return

Price

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 9/25

5:12 pm-8:41 pm

1 stop27h 29m

Key West

Thu 10/2

3:30 pm-10:40 am

1 stop19h 10m

$304

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 9/25

11:40 am-11:19 am

2 stops23h 39m

Key West

Thu 10/2

3:30 pm-10:40 am

1 stop19h 10m

$340

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Sun 10/26

11:40 am-9:07 am

2 stops21h 27m

Key West

Wed 10/29

9:47 am-11:00 am

2 stops25h 13m

$564

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 10/2

11:40 am-9:07 am

2 stops21h 27m

Key West

Wed 10/8

9:47 am-11:00 am

2 stops25h 13m

$601

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 1/22

11:45 am-9:09 am

2 stops21h 24m

Key West

Thu 1/29

11:01 am-1:21 pm

2 stops26h 20m

$627

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Sun 10/26

7:36 pm-11:05 am

3 stops39h 29m

Key West

Wed 10/29

9:47 am-11:00 am

2 stops25h 13m

$636

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 11/6

11:40 am-9:07 am

2 stops21h 27m

Key West

Sun 11/9

8:55 am-8:07 pm

2 stops35h 12m

$640

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 11/6

11:40 am-9:07 am

2 stops21h 27m

Key West

Sun 11/9

8:55 am-1:45 pm

2 stops28h 50m

$664

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Wed 11/12

2:19 pm-2:04 pm

2 stops47h 45m

Key West

Tue 11/18

3:00 pm-10:58 am

2 stops19h 58m

$1,012

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Sun 2/15

12:10 pm-11:22 am

2 stops23h 12m

Key West

Mon 2/23

12:07 pm-10:00 am

2 stops21h 53m

$1,989

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from Islip 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 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 to Key West for around $612.

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 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 to Key West

Are you open to changing your travel dates? Check out the ideal times to fly from Islip to Key West according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Islip to Key West (ISP to EYW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip to Key West

Direct flights	None

There are no direct flights from Islip to Key West. There are no popular flight routes from Islip 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 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.