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Key Largo

$65+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — MIA
ago. 3 — ago. 101
dom. 8/3
dom. 8/10
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 36 days in advance, depart on a Tuesday or Sunday and return on a Thursday

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 julio 29, 2025.

Round-trip from

$123
(Gotogate)

One-way from

$65
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$262
From Newark to Key Largo
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One-way flight from Newark to Key Largo
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Highest demand for flights based on searches. 4% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 julio 29, 2025.

This Gotogate deal was found by Cheapflights users on 7/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/126:15 amEWR - MIA
Nonstop3h 00mSpirit Airlines
jue. 8/149:59 amMIA - EWR
Nonstop3h 05mSpirit Airlines
Deal found 7/28$123
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/105:40 amEWR - MIA
Nonstop3h 09mAmerican Airlines
mié. 9/178:30 amMIA - EWR
Nonstop3h 03mAmerican Airlines
Deal found 7/27$127
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/33:29 pmEWR - MIA
1 stop5h 59mDelta
sáb. 9/67:30 amMIA - EWR
1 stop6h 54mDelta
Deal found 7/29$147
This CheapOair deal was found by Cheapflights users on 7/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/65:59 amEWR - MIA
1 stop11h 14mMultiple Airlines
mié. 8/136:00 pmMIA - EWR
Nonstop3h 05mMultiple Airlines
Deal found 7/27$163

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 julio 29, 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

mar. 8/12

6:15 am-9:15 am

Nonstop3h 00m

Miami

jue. 8/14

9:59 am-1:04 pm

Nonstop3h 05m

$123

NewarkMiami

EWR - MIA

EWRMIA

Newark

mié. 9/10

5:40 am-8:49 am

Nonstop3h 09m

Miami

mié. 9/17

8:30 am-11:33 am

Nonstop3h 03m

$127

NewarkMiami

EWR - MIA

EWRMIA

Newark

jue. 9/4

1:00 pm-9:30 pm

1 stop8h 30m

Miami

mar. 9/9

6:00 am-12:11 pm

1 stop6h 11m

$147

NewarkMiami

EWR - MIA

EWRMIA

Newark

sáb. 9/13

8:50 am-11:57 am

Nonstop3h 07m

$65

NewarkMiami

EWR - MIA

EWRMIA

Newark

mar. 10/21

6:00 am-9:14 am

Nonstop3h 14m

$73

NewarkMiami

EWR - MIA

EWRMIA

Newark

mar. 8/26

12:10 pm-6:25 pm

1 stop6h 15m

$84

NewarkMiami

EWR - MIA

EWRMIA

Newark

jue. 8/14

5:59 am-4:07 pm

1 stop10h 08m

$91

NewarkMiami

EWR - MIA

EWRMIA

Newark

mié. 8/13

11:04 am-5:13 pm

1 stop6h 09m

$97

NewarkMiami

EWR - MIA

EWRMIA

Newark

lun. 8/18

7:27 pm-10:45 pm

Nonstop3h 18m

$114

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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 July 25, 2025.

The best time to book flights from Newark Airport to Key Largo is 24 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, September is the cheapest month in which you can book a flight from Newark Airport to Key Largo (average of $232). Flying from Newark Airport to Key Largo in March is currently the most expensive (average of $289). 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 julio 29, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Newark Airport to Key Largo as you normally would.

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 Monday evenings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Newark Airport to Key Largo

Explore weekly flight availability from Newark to Key Largo. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated julio 29, 2025.

The most flights from EWR to KE9 are scheduled on a Monday (24 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

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 julio 29, 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
8.0
Very good
7,977 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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
8.0
Very good
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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
8,899 reviews
Delta
8.0
Very good
7,977 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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
10,000 reviews
Delta
8.0
Very good
7,977 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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
8,040 reviews
Delta
8.0
Very good
7,977 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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.
Frontier
5.9
Fair
3,238 reviews
Delta
8.0
Very good
7,977 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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.

  • 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 $65 on Spirit Airlines. Other airlines that offer cheap prices include American Airlines from $73 and Delta 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: Spirit Airlines (79%), Lufthansa (71%), American Airlines( 71%).

  • 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 $589. The most popular route, (Newark - Miami), can usually be booked for $101.

  • 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, September is the cheapest month in which you can book a flight from Newark Airport to Key Largo (average of $232). Flying from Newark Airport to Key Largo in March is currently the most expensive (average of $289). 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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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 julio 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$56Average$142FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$68Average$185FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$98Average$132FlexibilityNo cancel feeOn-time88%
JetBlueCheapest$112Average$436FlexibilityNo cancel feeOn-time62%
DeltaCheapest$117Average$321FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$132Average$420FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$166Average$349FlexibilityNo cancel feeOn-time71%

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