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Cheap flights from New Jersey to Florida Keys from $45

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New Jersey to Florida Keys departing on 10/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from New Jersey to Florida Keys

Cheap round-trip flights

Multiple Airlines Logo
7:59 pm - 11:17 pmLGA-MIA
3h 18mnonstop
Multiple Airlines Logo
6:50 pm - 10:04 pmMIA-LGA
3h 14mnonstop
$83Multiple Airlines
Find Deal
Wed, Sep 24 - Wed, Oct 1
Spirit Airlines Logo
7:59 pm - 11:10 pmLGA-MIA
3h 11mnonstop
Spirit Airlines Logo
7:52 pm - 10:41 pmMIA-LGA
2h 49mnonstop
$84Spirit Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 21
Frontier Logo
6:00 am - 9:12 amJFK-MIA
3h 12mnonstop
Frontier Logo
10:29 pm - 1:29 amMIA-JFK
3h 00mnonstop
$84Frontier
Find Deal
Tue, Oct 14 - Wed, Oct 15
Frontier Logo
10:59 pm - 2:14 amLGA-MIA
3h 15mnonstop
Frontier Logo
3:48 pm - 7:02 pmMIA-LGA
3h 14mnonstop
$85Frontier
Find Deal
Wed, Sep 24 - Sat, Oct 4
Delta Logo
3:15 pm - 6:25 pmLGA-MIA
3h 10mnonstop
Delta Logo
3:10 pm - 6:05 pmMIA-LGA
2h 55mnonstop
$127Delta
Find Deal
Sat, Oct 11 - Fri, Oct 17
Delta Logo
11:10 am - 2:17 pmJFK-MIA
3h 07mnonstop
Delta Logo
7:35 pm - 10:41 pmMIA-JFK
3h 06mnonstop
$127Delta
Find Deal
Tue, Oct 7 - Tue, Oct 7
American Airlines Logo
7:00 am - 10:17 amLGA-MIA
3h 17mnonstop
American Airlines Logo
7:48 pm - 10:45 pmMIA-LGA
2h 57mnonstop
$128American Airlines
Find Deal
Thu, Oct 2 - Mon, Oct 6
American Airlines Logo
8:00 pm - 11:17 pmJFK-MIA
3h 17mnonstop
American Airlines Logo
9:25 pm - 12:25 amMIA-JFK
3h 00mnonstop
$128American Airlines
Find Deal
Thu, Oct 2 - Mon, Oct 6
United Airlines Logo
6:59 am - 10:10 amEWR-MIA
3h 11mnonstop
United Airlines Logo
7:53 pm - 10:59 pmMIA-EWR
3h 06mnonstop
$139United Airlines
Find Deal
Thu, Oct 16 - Wed, Oct 22
United Airlines Logo
6:45 am - 9:48 amEWR-MIA
3h 03mnonstop
United Airlines Logo
5:50 pm - 8:58 pmMIA-EWR
3h 08mnonstop
$147United Airlines
Find Deal
Wed, Dec 10 - Tue, Dec 16

American Airlines flights from New Jersey to Florida Keys

Our best American Airlines deals on New Jersey to Florida Keys flight tickets
American Airlines
Oct 2
LGA7:00 amNew York LaGuardia
3h 17m
MIA10:17 amMiami
Oct 6
MIA7:48 pmMiami
2h 57m
LGA10:45 pmNew York LaGuardia
$128
Find similar
American Airlines
Oct 2
JFK8:00 pmNew York John F Kennedy Intl
3h 17m
MIA11:17 pmMiami
Oct 6
MIA9:25 pmMiami
3h 00m
JFK12:25 amNew York John F Kennedy Intl
$129
Find similar
American Airlines
Oct 1
JFK6:30 pmNew York John F Kennedy Intl
3h 25m
MIA9:55 pmMiami
Oct 4
MIA9:04 amMiami
3h 02m
JFK12:06 pmNew York John F Kennedy Intl
$130
Find similar

Frontier flights from New Jersey to Florida Keys

Our best Frontier deals on New Jersey to Florida Keys flight tickets
Frontier
Oct 14
JFK6:00 amNew York John F Kennedy Intl
3h 12m
MIA9:12 amMiami
Oct 15
MIA10:29 pmMiami
3h 00m
JFK1:29 amNew York John F Kennedy Intl
$84
Find similar
Frontier
Sep 24
LGA10:59 pmNew York LaGuardia
3h 15m
MIA2:14 amMiami
Oct 4
MIA3:48 pmMiami
3h 14m
LGA7:02 pmNew York LaGuardia
$85
Find similar
Frontier
Nov 4
JFK6:00 amNew York John F Kennedy Intl
3h 12m
MIA9:12 amMiami
Nov 10
MIA10:15 pmMiami
3h 00m
JFK1:15 amNew York John F Kennedy Intl
$86
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from New Jersey to Florida Keys that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 18, 2025.
Use the filters below to find and compare flights from New Jersey to Florida Keys that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkMiami

LGA - MIA

LGAMIA

New York LaGuardia

Wed 9/24

7:59 pm-11:17 pm

Nonstop3h 18m

Miami

Wed 10/1

6:50 pm-10:04 pm

Nonstop3h 14m

$83

New YorkMiami

LGA - MIA

LGAMIA

New York LaGuardia

Tue 10/14

7:59 pm-11:10 pm

Nonstop3h 11m

Miami

Tue 10/21

7:52 pm-10:41 pm

Nonstop2h 49m

$84

New YorkMiami

JFK - MIA

JFKMIA

New York John F Kennedy Intl

Tue 10/14

6:00 am-9:12 am

Nonstop3h 12m

Miami

Wed 10/15

10:29 pm-1:29 am

Nonstop3h 00m

$84

New YorkMiami

LGA - MIA

LGAMIA

New York LaGuardia

Wed 9/24

10:59 pm-2:14 am

Nonstop3h 15m

Miami

Sat 10/4

3:48 pm-7:02 pm

Nonstop3h 14m

$85

New YorkMiami

LGA - MIA

LGAMIA

New York LaGuardia

Sat 10/11

3:15 pm-6:25 pm

Nonstop3h 10m

Miami

Fri 10/17

3:10 pm-6:05 pm

Nonstop2h 55m

$127

New YorkMiami

JFK - MIA

JFKMIA

New York John F Kennedy Intl

Tue 10/7

11:10 am-2:17 pm

Nonstop3h 07m

Miami

Tue 10/7

7:35 pm-10:41 pm

Nonstop3h 06m

$127

New YorkMiami

LGA - MIA

LGAMIA

New York LaGuardia

Thu 10/2

7:00 am-10:17 am

Nonstop3h 17m

Miami

Mon 10/6

7:48 pm-10:45 pm

Nonstop2h 57m

$128

New YorkMiami

JFK - MIA

JFKMIA

New York John F Kennedy Intl

Thu 10/2

8:00 pm-11:17 pm

Nonstop3h 17m

Miami

Mon 10/6

9:25 pm-12:25 am

Nonstop3h 00m

$128

NewarkMiami

EWR - MIA

EWRMIA

Newark

Thu 10/16

6:59 am-10:10 am

Nonstop3h 11m

Miami

Wed 10/22

7:53 pm-10:59 pm

Nonstop3h 06m

$139

NewarkMiami

EWR - MIA

EWRMIA

Newark

Wed 12/10

6:45 am-9:48 am

Nonstop3h 03m

Miami

Tue 12/16

5:50 pm-8:58 pm

Nonstop3h 08m

$147

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Florida Keys from

How to get the cheapest flight ticket from New Jersey to Florida Keys

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

What is the cheapest month to fly to Florida Keys?

The month of January is another great option to travel to Florida Keys, with average flight prices from New Jersey averaging around $192.

What is the cheapest day to depart on your flight to Florida Keys?

The cheapest day to depart from New Jersey to Florida Keys is on a Tuesday when prices can be found for as low as $313. The most expensive day to fly to Florida Keys is Friday, with ticket prices averaging around $371.

What is the cheapest time of day to depart on your flight to Florida Keys?

According to our data, the cheapest time of day to fly to Florida Keys is in the evening. momondo users have found flights departing from New Jersey to Florida Keys in the evening for as low as $273. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $369.

What is the cheapest New Jersey to Florida Keys flight route?

Fly from Newark to Key West for the best New Jersey - Florida Keys flight prices

How far in advance should I book a flight to Florida Keys?

You are more likely to see cheaper flights to Florida Keys from New Jersey when booking weeks ahead of your departure date. In general, you can expect to find flights to Florida Keys for around $233 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Florida Keys from New Jersey for as low as $174 on momondo.

What cabin class options are available on New Jersey to Florida Keys flights?

There are 4 cabin classes available to choose from on New Jersey to Florida Keys flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on New Jersey to Florida Keys flights?

No. A direct flight is the cheapest option for a flight between New Jersey to Florida Keys.

Cheap New Jersey to Florida Keys flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New Jersey to Florida Keys

Fastest flight time

2h 40m

Direct flights

Tue, Thu, Sat and Sun

Airports in Florida Keys

1 airport
The fastest flight from New Jersey to Florida Keys takes 2h 40m
Direct flights go from New Jersey to Florida Keys on Tuesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Florida Keys: Miami (MIA)
Search flight deals

  • When did momondo last update prices for flights from New Jersey to Florida Keys?

    Prices for flights from New Jersey to Florida Keys were last updated today.

  • How many operators does momondo search for flights from New Jersey to Florida Keys?

  • How old do you have to be to fly from New Jersey to Florida Keys?

    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 New Jersey to Florida Keys.

  • What documentation or ID do you need to fly to Florida Keys?

    The required travel and health documents for your Florida Keys trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Florida Keys. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from New Jersey to Florida Keys?

Best airlines flying from New Jersey to Florida Keys

Compare and see reviews for airlines that fly from New Jersey to Florida Keys with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $248Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $248Free CancellationRating
7.9
7,964 reviews
Search Delta flights
United AirlinesPriceFrom $289Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
JetBluePriceFrom $503Free CancellationRating
7.2
2,911 reviews
Search JetBlue flights

Why use momondo?

Why should I use momondo to find a flight deal from New Jersey to Florida Keys?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from New Jersey to Florida Keys for you.

Can I find flights from New Jersey to Florida Keys with flexible booking policies on momondo?

Yes. All flights to Florida Keys from New Jersey on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from New Jersey to Florida Keys?

momondo provides multiple filters to help you find the best flight to Florida Keys from New Jersey. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from New Jersey to Florida Keys right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Florida Keys from New Jersey. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Florida Keys trip

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