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

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 63% of people opting to fly with this airline when traveling to Key West. Keep in mind that there are 3 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.

$192 Cheap Flights from Islip, New York to Key West in 2026

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.

5:43 pm - 7:44 am-

14h 01m

10:59 am - 4:58 pm-

5h 59m

$280Multiple Airlines

Thu, Oct 1 - Sun, Oct 4

5:43 pm - 10:19 am-

16h 36m

10:59 am - 4:58 pm-

5h 59m

$307Multiple Airlines

Wed, Sep 30 - Sun, Oct 4

5:43 pm - 7:44 am-

14h 01m

10:11 pm - 2:22 pm-

16h 11m

$356Multiple Airlines

Thu, Oct 1 - Sun, Oct 4

7:09 pm - 11:27 am-

16h 18m

1:11 pm - 4:47 pm-

27h 36m

$381Multiple Airlines

Thu, Aug 20 - Mon, Aug 24

7:09 pm - 11:27 am-

16h 18m

12:07 pm - 9:53 am-

21h 46m

$382Multiple Airlines

Thu, Aug 20 - Mon, Aug 24

3:43 pm - 10:19 am-

18h 36m

10:59 am - 2:22 pm-

27h 23m

$399Multiple Airlines

Sat, Nov 7 - Thu, Nov 12

7:09 pm - 11:27 am-

16h 18m

7:53 pm - 1:28 pm-

17h 35m

$410Multiple Airlines

Thu, Aug 20 - Sun, Aug 23

3:43 pm - 10:19 am-

18h 36m

10:59 am - 2:33 pm-

27h 34m

$431Multiple Airlines

Sat, Nov 7 - Thu, Nov 12

7:09 pm - 11:27 am-

16h 18m

7:53 pm - 7:01 pm-

23h 08m

$449Multiple Airlines

Thu, Aug 20 - Sun, Aug 23

10:57 am - 11:19 am-

24h 22m

1:16 pm - 11:20 am-

22h 04m

$464Breeze Airways

Thu, Oct 15 - Tue, Oct 20

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

Oct 15

ISP10:57 amIslip Long Island

24h 22m

1 stop

EYW11:19 amKey West

Oct 20

EYW1:16 pmKey West

22h 04m

2 stops

ISP11:20 amIslip Long Island

$464

Breeze Airways

Oct 16

ISP9:39 amIslip Long Island

23h 45m

2 stops

EYW9:24 amKey West

Oct 19

EYW10:59 amKey West

25h 59m

2 stops

ISP12:58 pmIslip Long Island

$679

Breeze Airways

Oct 16

ISP9:39 amIslip Long Island

23h 45m

2 stops

EYW9:24 amKey West

Oct 19

EYW11:59 amKey West

23h 21m

1 stop

ISP11:20 amIslip Long Island

$704

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 10/1

5:43 pm-7:44 am

1 stop14h 01m

Key West

Sun 10/4

10:59 am-4:58 pm

1 stop5h 59m

$280

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Wed 9/30

5:43 pm-10:19 am

1 stop16h 36m

Key West

Sun 10/4

10:59 am-4:58 pm

1 stop5h 59m

$307

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 10/1

5:43 pm-7:44 am

1 stop14h 01m

Key West

Sun 10/4

10:11 pm-2:22 pm

2 stops16h 11m

$356

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 8/20

7:09 pm-11:27 am

1 stop16h 18m

Key West

Mon 8/24

1:11 pm-4:47 pm

2 stops27h 36m

$381

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 8/20

7:09 pm-11:27 am

1 stop16h 18m

Key West

Mon 8/24

12:07 pm-9:53 am

1 stop21h 46m

$382

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Sat 11/7

3:43 pm-10:19 am

1 stop18h 36m

Key West

Thu 11/12

10:59 am-2:22 pm

2 stops27h 23m

$399

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 8/20

7:09 pm-11:27 am

1 stop16h 18m

Key West

Sun 8/23

7:53 pm-1:28 pm

2 stops17h 35m

$410

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Sat 11/7

3:43 pm-10:19 am

1 stop18h 36m

Key West

Thu 11/12

10:59 am-2:33 pm

1 stop27h 34m

$431

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 8/20

7:09 pm-11:27 am

1 stop16h 18m

Key West

Sun 8/23

7:53 pm-7:01 pm

1 stop23h 08m

$449

IslipKey West

ISP - EYW

ISPEYW

Islip Long Island

Thu 10/15

10:57 am-11:19 am

1 stop24h 22m

Key West

Tue 10/20

1:16 pm-11:20 am

2 stops22h 04m

$464

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 $440. 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 $579.

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 morning. momondo users have found flights departing from Islip, New York to Key West in the morning for as low as $493. 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 at noon, with an average ticket price of $517. Departure times at noon 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	16h 18m
Direct flights	None

The fastest flight from Islip, New York to Key West takes 16h 18m

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

Frequently asked questions about flying from Islip, New York to Key West

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 16h 18m, 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.

An easier way to manage your Key West trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Thu 9/3

Thu 9/10

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Nearby airports

Airlines

Cabin classes

Other United States destinations

Other flights from Islip, New York

Complete your trip

Feeling lucky

Cheap flights from Islip, New York to Key West from $192

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Islip, New York to Key West departing on 8/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Breeze Airways flights from Islip, New York to Key West

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

momondo Fare Finder

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

See travel insights to Key West from

How to get the cheapest flight ticket from Islip, New York to Key West

What is the cheapest day to depart on your flight to Key West?

What is the cheapest time of day to depart on your flight to Key West?

What is the cheapest airline that flies from Islip Long Island to Key West?

What airlines fly to Key West?

When to book flights from Islip, New York to Key West

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

Fastest flight time

Direct flights

Frequently asked questions about flying from Islip, New York to Key West

Traveling to a place near Key West?

Why use momondo?

An easier way to manage your Key West trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Florida

Fly your favorite airline to Key West

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Key West

List of cabin classes available on flights landing in Key West. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Islip, New York

According to popular flight searches on momondo this year

Complete your trip to Key West

Explore popular destinations other users love

According to popular flight searches on momondo this year