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Key Largo

$53+ Cheap flights from Newark (EWR) to Key Largo, FL

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — MIA
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from Newark to Key Largo are usually found in September or January, booked 34 days in advance, depart on a Tuesday or Monday and return on a Friday

Find flight deals from Newark to Key Largo

Cheapest flights from Newark to Key Largo
Explore the most affordable flight options available from Newark to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Priceline deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/512:00 pmEWR - MIA
Nonstop3h 03mMultiple Airlines
Fri 12/57:09 pmMIA - EWR
1 stop5h 58mMultiple Airlines
Deal found 10/30$120
This Cheapflightsfares deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/177:00 amEWR - MIA
Nonstop3h 05mSpirit Airlines
Mon 12/227:14 pmMIA - EWR
Nonstop3h 11mSpirit Airlines
Deal found 10/30$121
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1110:00 pmEWR - MIA
1 stop13h 12mSpirit Airlines
Sun 12/148:53 pmMIA - EWR
Nonstop3h 06mSpirit Airlines
Deal found 10/29$122
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/258:44 amEWR - MIA
Nonstop3h 02mSpirit Airlines
Wed 12/108:53 pmMIA - EWR
Nonstop3h 06mSpirit Airlines
Deal found 10/28$123
This Frontier deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:30 pmEWR - MIA
1 stop10h 03mFrontier
Tue 12/93:00 pmMIA - EWR
1 stop10h 10mFrontier
Deal found 10/30$124
This Cheapflightsfares deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/85:15 amEWR - MIA
1 stop5h 57mSpirit Airlines
Sat 12/139:59 pmMIA - EWR
1 stop12h 01mSpirit Airlines
Deal found 10/30$125
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/99:00 amEWR - MIA
Nonstop3h 07mSpirit Airlines
Thu 11/131:02 pmMIA - EWR
Nonstop3h 02mSpirit Airlines
Deal found 10/30$126
This Priceline deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1111:30 amEWR - MIA
1 stop6h 56mFrontier
Wed 12/172:13 pmMIA - EWR
1 stop7h 22mFrontier
Deal found 10/30$127
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:00 amEWR - MIA
1 stop11h 09mMultiple Airlines
Thu 11/2712:41 pmMIA - EWR
Nonstop3h 08mMultiple Airlines
Deal found 10/30$128
This Cheapflightsfares deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/28:44 amEWR - MIA
Nonstop3h 02mSpirit Airlines
Sun 12/79:59 pmMIA - EWR
1 stop12h 01mSpirit Airlines
Deal found 10/30$129
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1110:30 pmEWR - MIA
1 stop12h 42mMultiple Airlines
Sun 12/148:53 pmMIA - EWR
Nonstop3h 06mMultiple Airlines
Deal found 10/29$130
This Cheapflightsfares deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/139:00 amEWR - MIA
Nonstop3h 07mSpirit Airlines
Sat 11/157:20 amMIA - EWR
1 stop10h 20mSpirit Airlines
Deal found 10/30$131

Cheap flight deals from Newark to Key Largo

Keep the following information in mind while searching for Newark to Key Largo flight deals. Data was last updated October 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$120
(Mytrip)

One-way from

$53
(Cheapflightsfares)

Popular in

April

Cheapest in

September

Average price

$247
Provider with most accurate pricing for New York (NYC)-Miami flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Miami flights.
Search Deals
From Newark to Key Largo
Search Deals
One-way flight from Newark to Key Largo
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($9 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Newark to Key Largo 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, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Newark Airport to Key Largo that are best for you.

Fly from

Newark

Fly to

Key Largo

Route

Depart

Return

Price

NewarkMiami

EWR - MIA

EWRMIA

Newark

Fri 11/14

8:47 pm-11:59 pm

Nonstop3h 12m

Miami

Wed 11/19

7:15 am-10:14 am

Nonstop2h 59m

$147

NewarkMiami

EWR - MIA

EWRMIA

Newark

Fri 11/14

8:47 pm-11:59 pm

Nonstop3h 12m

Miami

Mon 11/17

7:00 am-9:59 am

Nonstop2h 59m

$168

NewarkMiami

EWR - MIA

EWRMIA

Newark

Mon 11/17

11:58 am-6:25 pm

1 stop6h 27m

Miami

Wed 12/10

10:32 am-5:29 pm

1 stop6h 57m

$173

NewarkMiami

EWR - MIA

EWRMIA

Newark

Thu 11/20

8:47 pm-11:59 pm

Nonstop3h 12m

Miami

Sun 11/23

7:45 am-10:46 am

Nonstop3h 01m

$182

NewarkMiami

EWR - MIA

EWRMIA

Newark

Wed 1/28

9:47 am-5:48 pm

1 stop8h 01m

Miami

Sat 1/31

8:05 am-4:04 pm

1 stop7h 59m

$187

NewarkMiami

EWR - MIA

EWRMIA

Newark

Sat 1/24

1:00 pm-9:37 pm

1 stop8h 37m

Miami

Sat 1/31

8:05 am-4:04 pm

1 stop7h 59m

$187

NewarkMiami

EWR - MIA

EWRMIA

Newark

Tue 1/6

11:54 am-5:15 pm

1 stop5h 21m

Miami

Mon 1/12

6:20 pm-12:55 am

1 stop6h 35m

$187

NewarkMiami

EWR - MIA

EWRMIA

Newark

Fri 11/14

6:45 pm-9:58 am

1 stop15h 13m

Miami

Mon 11/17

5:27 pm-12:24 pm

2 stops18h 57m

$203

NewarkMiami

EWR - MIA

EWRMIA

Newark

Wed 11/19

6:00 am-11:14 am

1 stop5h 14m

Miami

Sun 11/23

7:45 am-10:46 am

Nonstop3h 01m

$207

NewarkMiami

EWR - MIA

EWRMIA

Newark

Thu 12/4

11:30 am-6:26 pm

1 stop6h 56m

Miami

Thu 12/11

7:09 pm-1:10 am

1 stop6h 01m

$211

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 23 results
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Best time to book a flight from Newark to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from Newark with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Newark Airport to Key Largo

How far ahead should I book a flight from Newark Airport to Key Largo?

Use this chart to determine the optimal time to book a round-trip flight from Newark to Key Largo. Price data was last updated on October 24, 2025.

The best time to book flights from Newark Airport to Key Largo is 34 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Newark Airport to Key Largo?

Currently, March is the cheapest month in which you can book a flight from Newark Airport to Key Largo (average of $62). Flying from Newark Airport to Key Largo in December is currently the most expensive (average of $112). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from EWR to KE9?

Find hourly flight availability from Newark to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s optimal to fly from Newark Airport to Key Largo in the evening. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Newark Airport to Key Largo?

Use this chart to determine the cheapest time to fly round-trip from Newark to Key Largo. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Newark Airport to Key Largo flight should consider departing on Sunday at noon when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Key Largo

Get insights into the airlines that provide service to Key Largo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Key Largo. Reviews last updated October 30, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Newark Airport to Key Largo by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
United Airlines
7.4
Good
8,998 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
American Airlines
7.2
Good
11,035 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
JetBlue
7.2
Good
2,906 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Spirit Airlines
6.3
Okay
8,116 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Related info for your journey

Find useful and relevant information for your journey from Newark to Key Largo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Newark Airport to Key Largo flight route?

    The Newark to Key Largo flight path was viewed by 380 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Newark Airport to Key Largo?

    Airlines like United Airlines and Delta fly from Newark Airport to Key Largo in about 3h 12m. The time it takes to get you to your destination can typically vary by up to 3h 15m. The distance from Newark Airport to Key Largo is about 1087 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Newark Airport to Key Largo one-way?

    One-way options have recently been found by users for as low as $55 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $68 and United Airlines from $84 one-way.

  • What are the most reliable airlines from Newark Airport to Key Largo?

    Before booking your flight to Key Largo from Newark Airport, check out the most reliable airlines to get you to your destination on time: Envoy Air (100%), TAP AIR PORTUGAL (87%), American Airlines( 85%).

  • What are the cheapest flights from Newark Airport to Key Largo?

    The cheapest flight price from Newark Airport to Key Largo is $72. On average you can expect to pay $560. The most popular route, (Newark - Miami), can usually be booked for $82.

  • Can I find deals for flights from Newark to Key Largo that include hotel bookings?

    Yes. In addition to deals on Newark to Key Largo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Newark to Key Largo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Newark to Key Largo.

  • Can I find deals for business class flights from Newark to Key Largo?

    Yes. Cheapflights offers flight deals from Newark to Key Largo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Newark Airport to Key Largo?

    Currently, March is the cheapest month in which you can book a flight from Newark Airport to Key Largo (average of $62). Flying from Newark Airport to Key Largo in December is currently the most expensive (average of $112). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Newark to Key Largo

Discover the top 7 airlines that operate flights from Newark to Key Largo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$56Average$141FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$69Average$185FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$98Average$144FlexibilityNo cancel feeOn-time88%
JetBlueCheapest$116Average$433FlexibilityNo cancel feeOn-time62%
DeltaCheapest$117Average$333FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$128Average$409FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$162Average$358FlexibilityNo cancel feeOn-time71%

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