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Cheap flights from New Jersey to Florida Keys from $34

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 2/28. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:39 am - 12:43 pm
PHL
-
MIA
3h 04mnonstop
Multiple Airlines Logo
10:20 pm - 1:15 am
MIA
-
PHL
2h 55mnonstop
$69Multiple Airlines
Mon, Mar 9 - Wed, Mar 18
Frontier Logo
6:27 pm - 9:25 pm
PHL
-
MIA
2h 58mnonstop
Frontier Logo
10:20 pm - 1:15 am
MIA
-
PHL
2h 55mnonstop
$70Frontier
Sat, Mar 21 - Wed, Mar 25
Frontier Logo
6:01 pm - 8:59 pm
PHL
-
MIA
2h 58mnonstop
Frontier Logo
10:29 pm - 1:24 am
MIA
-
PHL
2h 55mnonstop
$71Frontier
Sun, Mar 8 - Thu, Mar 12
Frontier Logo
8:01 pm - 10:54 pm
PHL
-
MIA
2h 53mnonstop
Frontier Logo
2:16 pm - 5:15 pm
MIA
-
PHL
2h 59mnonstop
$72Frontier
Thu, Feb 19 - Tue, Feb 24
Multiple Airlines Logo
8:45 pm - 11:59 pm
LGA
-
MIA
3h 14mnonstop
Multiple Airlines Logo
6:54 pm - 10:05 pm
MIA
-
LGA
3h 11mnonstop
$75Multiple Airlines
Mon, Mar 2 - Thu, Mar 12
Spirit Airlines Logo
7:59 pm - 11:18 pm
LGA
-
MIA
3h 19mnonstop
Spirit Airlines Logo
6:02 am - 9:00 am
MIA
-
LGA
2h 58mnonstop
$76Spirit Airlines
Fri, Apr 24 - Thu, Apr 30
Spirit Airlines Logo
5:05 pm - 8:13 pm
EWR
-
MIA
3h 08mnonstop
Spirit Airlines Logo
11:38 am - 2:45 pm
MIA
-
EWR
3h 07mnonstop
$113Spirit Airlines
Tue, Feb 24 - Fri, Mar 13
United Airlines Logo
2:17 pm - 5:54 pm
EWR
-
EYW
3h 37mnonstop
United Airlines Logo
6:35 pm - 11:54 pm
EYW
-
EWR
5h 19m
1 stop
$303United Airlines
Sat, Feb 21 - Tue, Feb 24
American Airlines Logo
10:00 am - 1:49 pm
LGA
-
EYW
3h 49mnonstop
American Airlines Logo
2:26 pm - 5:43 pm
EYW
-
LGA
3h 17mnonstop
$339American Airlines
Sat, Feb 21 - Thu, Feb 26
American Airlines Logo
8:00 pm - 11:41 am
JFK
-
EYW
15h 41m
1 stop
American Airlines Logo
1:55 pm - 7:29 pm
EYW
-
JFK
5h 34m
1 stop
$357American Airlines
Sat, Feb 21 - Tue, Mar 3

Frontier flights from New Jersey to Florida Keys

Our best Frontier deals on New Jersey to Florida Keys flight tickets
Frontier
Mar 21
PHL6:27 pmPhiladelphia
2h 58m
MIA9:25 pmMiami
Mar 28
MIA10:20 pmMiami
2h 55m
PHL1:15 amPhiladelphia
$70
Frontier
Feb 17
PHL12:21 pmPhiladelphia
3h 06m
MIA3:27 pmMiami
Feb 25
MIA2:16 pmMiami
2h 59m
PHL5:15 pmPhiladelphia
$71
Frontier
Feb 19
PHL8:01 pmPhiladelphia
2h 53m
MIA10:54 pmMiami
Feb 25
MIA2:16 pmMiami
2h 59m
PHL5:15 pmPhiladelphia
$72

Spirit Airlines flights from New Jersey to Florida Keys

Our best Spirit Airlines deals on New Jersey to Florida Keys flight tickets
Spirit Airlines
Mar 14
LGA8:30 pmNew York LaGuardia
3h 09m
MIA11:39 pmMiami
Mar 18
MIA4:05 pmMiami
2h 55m
LGA7:00 pmNew York LaGuardia
$74
Spirit Airlines
Apr 24
LGA7:59 pmNew York LaGuardia
3h 19m
MIA11:18 pmMiami
Apr 28
MIA6:02 amMiami
2h 58m
LGA9:00 amNew York LaGuardia
$76
Spirit Airlines
Feb 17
LGA8:45 pmNew York LaGuardia
3h 14m
MIA11:59 pmMiami
Feb 25
MIA6:02 amMiami
2h 58m
LGA9:00 amNew York LaGuardia
$78

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 February 8, 2026.
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

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Mon 3/9

9:39 am-12:43 pm

Nonstop3h 04m

Miami

Wed 3/18

10:20 pm-1:15 am

Nonstop2h 55m

$69

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Sat 3/21

6:27 pm-9:25 pm

Nonstop2h 58m

Miami

Wed 3/25

10:20 pm-1:15 am

Nonstop2h 55m

$70

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Sun 3/8

6:01 pm-8:59 pm

Nonstop2h 58m

Miami

Thu 3/12

10:29 pm-1:24 am

Nonstop2h 55m

$71

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Thu 2/19

8:01 pm-10:54 pm

Nonstop2h 53m

Miami

Tue 2/24

2:16 pm-5:15 pm

Nonstop2h 59m

$72

New YorkMiami

LGA - MIA

LGAMIA

New York LaGuardia

Mon 3/2

8:45 pm-11:59 pm

Nonstop3h 14m

Miami

Thu 3/12

6:54 pm-10:05 pm

Nonstop3h 11m

$75

New YorkMiami

LGA - MIA

LGAMIA

New York LaGuardia

Fri 4/24

7:59 pm-11:18 pm

Nonstop3h 19m

Miami

Thu 4/30

6:02 am-9:00 am

Nonstop2h 58m

$76

NewarkMiami

EWR - MIA

EWRMIA

Newark

Tue 2/24

5:05 pm-8:13 pm

Nonstop3h 08m

Miami

Fri 3/13

11:38 am-2:45 pm

Nonstop3h 07m

$113

NewarkKey West

EWR - EYW

EWREYW

Newark

Sat 2/21

2:17 pm-5:54 pm

Nonstop3h 37m

Key West

Tue 2/24

6:35 pm-11:54 pm

1 stop5h 19m

$303

New YorkKey West

LGA - EYW

LGAEYW

New York LaGuardia

Sat 2/21

10:00 am-1:49 pm

Nonstop3h 49m

Key West

Thu 2/26

2:26 pm-5:43 pm

Nonstop3h 17m

$339

New YorkKey West

JFK - EYW

JFKEYW

New York John F Kennedy Intl

Sat 2/21

8:00 pm-11:41 am

1 stop15h 41m

Key West

Tue 3/3

1:55 pm-7:29 pm

1 stop5h 34m

$357

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 October is another great option to travel to Florida Keys, with average flight prices from New Jersey averaging around $183.

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 Monday when prices can be found for as low as $315. The most expensive day to fly to Florida Keys is Friday, with ticket prices averaging around $355.

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 $286. 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 $364.

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 $218 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 $166 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 53m

Direct flights

Every day

Airports in Florida Keys

3 airports
The fastest flight from New Jersey to Florida Keys takes 2h 53m
Direct flights go from New Jersey to Florida Keys every day.
There are 3 airports in Florida Keys. From New Jersey there are direct flights to 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
Spirit AirlinesPriceFrom $100Free CancellationRating
6.3
8,430 reviews
Search Spirit Airlines flights
DeltaPriceFrom $248Free CancellationRating
7.9
8,174 reviews
Search Delta flights
American AirlinesPriceFrom $248Free CancellationRating
7.2
11,258 reviews
Search American Airlines flights
United AirlinesPriceFrom $258Free CancellationRating
7.4
9,259 reviews
Search United Airlines 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

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.
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Find better results for your trip to Florida Keys

Popular cities in Florida Keys

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