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Key Largo

$69+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — MIA
juin 17 — juin 241
mar. 6/17
mar. 6/24
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 Friday

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 juin 12, 2025.

Round-trip from

$128
(Trip.com)

One-way from

$69
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$257
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. 5% potential increase in price ($14 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 June 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 juin 12, 2025.

This Trip.com deal was found by Cheapflights users on 6/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 6/185:25 pmEWR - MIA
Nonstop3h 05mSpirit Airlines
mer. 6/257:00 amMIA - EWR
Nonstop3h 05mSpirit Airlines
Deal found 6/10$128
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/97:29 pmEWR - MIA
Nonstop3h 18mUnited Airlines
jeu. 9/116:20 pmMIA - EWR
Nonstop3h 09mUnited Airlines
Deal found 6/10$132
This Delta deal was found by Cheapflights users on 6/10. 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.
mer. 7/96:00 amEWR - MIA
1 stop4h 52mDelta
mer. 7/97:23 pmMIA - EWR
1 stop5h 36mDelta
Deal found 6/10$137
This Trip.com deal was found by Cheapflights users on 6/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 6/287:44 pmEWR - MIA
Nonstop3h 18mMultiple Airlines
lun. 6/307:00 amMIA - EWR
Nonstop3h 05mMultiple Airlines
Deal found 6/12$179
This American Airlines deal was found by Cheapflights users on 6/11. 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.
sam. 7/266:30 pmEWR - MIA
Nonstop3h 10mAmerican Airlines
sam. 8/28:39 amMIA - EWR
Nonstop3h 07mAmerican Airlines
Deal found 6/11$217
This Frontier deal was found by Cheapflights users on 6/11. 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.
mer. 7/25:59 amEWR - MIA
1 stop11h 16mFrontier
mer. 7/236:26 pmMIA - EWR
1 stop6h 18mFrontier
Deal found 6/11$228

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 juin 12, 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

mer. 6/18

5:25 pm-8:30 pm

Nonstop3h 05m

Miami

mer. 6/25

7:00 am-10:05 am

Nonstop3h 05m

$128

NewarkMiami

EWR - MIA

EWRMIA

Newark

mar. 9/9

7:29 pm-10:47 pm

Nonstop3h 18m

Miami

ven. 9/19

10:58 am-2:00 pm

Nonstop3h 02m

$132

NewarkMiami

EWR - MIA

EWRMIA

Newark

mer. 7/9

6:00 am-10:52 am

1 stop4h 52m

Miami

mer. 7/9

7:23 pm-12:59 am

1 stop5h 36m

$137

NewarkMiami

EWR - MIA

EWRMIA

Newark

sam. 6/28

7:44 pm-11:02 pm

Nonstop3h 18m

Miami

lun. 6/30

7:00 am-10:05 am

Nonstop3h 05m

$179

NewarkMiami

EWR - MIA

EWRMIA

Newark

sam. 7/26

6:30 pm-9:40 pm

Nonstop3h 10m

Miami

sam. 8/2

8:39 am-11:46 am

Nonstop3h 07m

$217

NewarkMiami

EWR - MIA

EWRMIA

Newark

mer. 7/2

5:59 am-5:15 pm

1 stop11h 16m

Miami

mer. 7/23

6:26 pm-12:44 am

1 stop6h 18m

$228

NewarkMiami

EWR - MIA

EWRMIA

Newark

mar. 8/19

9:00 am-12:12 pm

Nonstop3h 12m

$69

NewarkMiami

EWR - MIA

EWRMIA

Newark

lun. 7/7

7:27 pm-10:45 pm

Nonstop3h 18m

$74

NewarkMiami

EWR - MIA

EWRMIA

Newark

dim. 8/31

12:26 pm-3:39 pm

Nonstop3h 13m

$75

NewarkMiami

EWR - MIA

EWRMIA

Newark

mar. 7/1

6:00 am-10:57 am

1 stop4h 57m

$100

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 11 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 June 9, 2025.

The best time to book flights from Newark Airport to Key Largo is 36 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 $228). 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 juin 12, 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 juin 12, 2025.

The most flights from EWR to KE9 are scheduled on a Wednesday (19 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Key Largo by month

Plan your trip to Key Largo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Key Largo ranges from 1.6 - 9.9 inches per month. September is typically the wettest month, when rainfall can reach 9.9 in. January is typically the driest time to visit Key Largo when rainfall is around 1.6 in.

Temperature in Key Largo by month

Plan your trip to Key Largo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Key Largo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 68.0 F).

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 juin 12, 2025.
To help decide which airline to fly from New York to Key Largo, see what other customers have to say about Delta, United Airlines and American Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

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
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

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
8,052 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

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
3,295 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

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 $69 on Spirit Airlines. Other airlines that offer cheap prices include United Airlines from $74 and American Airlines from $75 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: United Airlines (75%), Avianca (75%), Air Canada( 74%).

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

    The cheapest flight price from Newark Airport to Key Largo is $73. On average you can expect to pay $620. The most popular route, (Newark - Miami), can usually be booked for $85.

  • 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 $228). 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.

See more FAQs

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Top 6 airlines flying from Newark to Key Largo

Discover the top 6 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 juin 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$56Average$150FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$64Average$180FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$114Average$434FlexibilityNo cancel feeOn-time62%
DeltaCheapest$117Average$328FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$136Average$419FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$173Average$343FlexibilityNo cancel feeOn-time71%

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