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.

$344 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 to Key West

Round-trip

One-way

Last minute

Cheap round-trip flights

4:58 pm - 8:15 amISP-EYW

15h 17m1 stop

10:47 am - 11:00 amEYW-ISP

24h 13m2 stops

$344Multiple Airlines

Find Deal

Wed, Oct 15 - Wed, Oct 22

11:50 am - 10:21 amISP-EYW

22h 31m2 stops

1:01 pm - 11:10 amEYW-ISP

22h 09m2 stops

$573Breeze Airways

Find Deal

Sat, Feb 21 - Tue, Feb 24

11:40 am - 9:17 amISP-EYW

21h 37m2 stops

10:47 am - 11:00 amEYW-ISP

24h 13m2 stops

$583Breeze Airways

Find Deal

Sun, Oct 26 - Wed, Oct 29

11:40 am - 9:17 amISP-EYW

21h 37m2 stops

10:47 am - 11:00 amEYW-ISP

24h 13m2 stops

$601Breeze Airways

Find Deal

Sun, Oct 26 - Wed, Oct 29

8:21 pm - 9:17 amISP-EYW

36h 56m2 stops

10:47 am - 11:00 amEYW-ISP

24h 13m2 stops

$610Breeze Airways

Find Deal

Wed, Oct 15 - Wed, Oct 22

7:36 pm - 11:05 amISP-EYW

39h 29m3 stops

10:47 am - 11:00 amEYW-ISP

24h 13m2 stops

$696Breeze Airways

Find Deal

Sun, Oct 26 - Wed, Oct 29

7:36 pm - 11:05 amISP-EYW

39h 29m3 stops

10:47 am - 11:00 amEYW-ISP

24h 13m2 stops

$706Breeze Airways

Find Deal

Sun, Oct 26 - Wed, Oct 29

8:45 pm - 10:31 amISP-EYW

37h 46m2 stops

10:47 am - 11:00 amEYW-ISP

24h 13m2 stops

$731Breeze Airways

Find Deal

Sat, Oct 11 - Wed, Oct 15

8:21 pm - 10:31 amISP-EYW

38h 10m3 stops

10:47 am - 11:00 amEYW-ISP

24h 13m2 stops

$746Breeze Airways

Find Deal

Wed, Oct 15 - Wed, Oct 22

7:30 am - 12:46 pmISP-EYW

29h 16m2 stops

1:30 pm - 11:04 amEYW-ISP

45h 34m2 stops

$1,229Multiple Airlines

Find Deal

Sat, Feb 21 - Sat, Mar 14

Breeze Airways flights from Islip to Key West

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

Breeze Airways

Feb 21

ISP11:50 amIslip Long Island

22h 31m

2 stops

EYW10:21 amKey West

Feb 24

EYW1:01 pmKey West

22h 09m

2 stops

ISP11:10 amIslip Long Island

$573

Find similar

Breeze Airways

Oct 26

ISP11:40 amIslip Long Island

21h 37m

2 stops

EYW9:17 amKey West

Oct 29

EYW10:47 amKey West

24h 13m

2 stops

ISP11:00 amIslip Long Island

$583

Find similar

Breeze Airways

Oct 26

ISP11:40 amIslip Long Island

21h 37m

2 stops

EYW9:17 amKey West

Oct 29

EYW10:47 amKey West

24h 13m

2 stops

ISP11:00 amIslip Long Island

$601

Find similar

Fly from

Fly to

Route

Depart

Return

Price

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Wed 10/15

4:58 pm-8:15 am

1 stop15h 17m

Key West

Wed 10/22

10:47 am-11:00 am

2 stops24h 13m

$344

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Sat 2/21

11:50 am-10:21 am

2 stops22h 31m

Key West

Tue 2/24

1:01 pm-11:10 am

2 stops22h 09m

$573

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Sun 10/26

11:40 am-9:17 am

2 stops21h 37m

Key West

Wed 10/29

10:47 am-11:00 am

2 stops24h 13m

$583

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Sun 10/26

11:40 am-9:17 am

2 stops21h 37m

Key West

Wed 10/29

10:47 am-11:00 am

2 stops24h 13m

$601

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Wed 10/15

8:21 pm-9:17 am

2 stops36h 56m

Key West

Wed 10/22

10:47 am-11:00 am

2 stops24h 13m

$610

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

10:47 am-11:00 am

2 stops24h 13m

$696

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

10:47 am-11:00 am

2 stops24h 13m

$706

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Sat 10/11

8:45 pm-10:31 am

2 stops37h 46m

Key West

Wed 10/15

10:47 am-11:00 am

2 stops24h 13m

$731

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Wed 10/15

8:21 pm-10:31 am

3 stops38h 10m

Key West

Wed 10/22

10:47 am-11:00 am

2 stops24h 13m

$746

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Sat 2/21

7:30 am-12:46 pm

2 stops29h 16m

Key West

Sat 3/14

1:30 pm-11:04 am

2 stops45h 34m

$1,229

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 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 $429. 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 $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 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 15h 17m, 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.