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Key Largo

$64+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — MIA
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
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 24 days in advance, depart on a Monday or Tuesday and return on a Friday

Cheap 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 December 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/14. 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.
Wed 12/3110:05 pmEWR - MIA
1 stop15h 01mSpirit Airlines
Fri 1/911:38 amMIA - EWR
Nonstop3h 12mSpirit Airlines
Deal found 12/14$112
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Wed 12/3110:05 pmEWR - MIA
1 stop22h 59mSpirit Airlines
Tue 1/69:59 pmMIA - EWR
1 stop10h 01mSpirit Airlines
Deal found 12/16$126
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Wed 12/3110:30 pmEWR - MIA
1 stop22h 34mMultiple Airlines
Wed 1/710:40 amMIA - EWR
Nonstop3h 04mMultiple Airlines
Deal found 12/16$132
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Wed 12/3110:05 pmEWR - MIA
1 stop15h 01mSpirit Airlines
Wed 1/79:26 pmMIA - EWR
1 stop9h 21mSpirit Airlines
Deal found 12/15$137
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Wed 12/3110:05 pmEWR - MIA
1 stop12h 53mMultiple Airlines
Tue 1/69:59 pmMIA - EWR
1 stop10h 01mMultiple Airlines
Deal found 12/15$138
This Super.com deal was found by Cheapflights users on 12/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/302:49 pmEWR - MIA
Nonstop3h 05mSpirit Airlines
Thu 1/811:38 amMIA - EWR
Nonstop3h 12mSpirit Airlines
Deal found 12/15$150

Find 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 December 16, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$104
(Kiwi.com)

One-way from

$64
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$322
Provider with most accurate pricing for New York (NYC)-Miami flight deals.
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Provider most trusted by Cheapflights users for New York (NYC)-Miami flights.
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From Newark to Key Largo
Search Deals
One-way flight from Newark to Key Largo
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($15 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 December 2025
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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 December 16, 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

Sat 2/28

2:07 pm-5:24 pm

Nonstop3h 17m

Miami

Sat 3/7

6:00 am-9:08 am

Nonstop3h 08m

$117

NewarkMiami

EWR - MIA

EWRMIA

Newark

Mon 1/12

1:00 pm-9:37 pm

1 stop8h 37m

Miami

Wed 1/14

12:02 pm-5:29 pm

1 stop5h 27m

$137

NewarkMiami

EWR - MIA

EWRMIA

Newark

Sat 1/24

5:36 pm-12:51 am

1 stop7h 15m

Miami

Tue 1/27

10:29 am-5:29 pm

1 stop7h 00m

$137

NewarkMiami

EWR - MIA

EWRMIA

Newark

Sat 1/10

5:30 pm-12:51 am

1 stop7h 21m

Miami

Mon 1/12

7:15 am-2:54 pm

1 stop7h 39m

$137

NewarkMiami

EWR - MIA

EWRMIA

Newark

Wed 1/7

3:59 pm-9:41 pm

1 stop5h 42m

Miami

Fri 1/9

5:32 pm-11:01 pm

1 stop5h 29m

$137

NewarkMiami

EWR - MIA

EWRMIA

Newark

Sat 2/28

2:07 pm-5:24 pm

Nonstop3h 17m

Miami

Wed 3/4

5:05 pm-8:15 pm

Nonstop3h 10m

$147

NewarkMiami

EWR - MIA

EWRMIA

Newark

Wed 1/21

6:00 am-11:16 am

1 stop5h 16m

Miami

Tue 1/27

7:15 am-10:21 am

Nonstop3h 06m

$170

NewarkMiami

EWR - MIA

EWRMIA

Newark

Fri 3/13

8:38 pm-11:59 pm

Nonstop3h 21m

Miami

Wed 3/25

6:34 pm-11:44 pm

1 stop5h 10m

$182

NewarkMiami

EWR - MIA

EWRMIA

Newark

Wed 1/7

7:55 am-11:18 am

Nonstop3h 23m

Miami

Wed 1/7

5:40 pm-8:55 pm

Nonstop3h 15m

$185

NewarkMiami

EWR - MIA

EWRMIA

Newark

Wed 1/28

5:05 pm-8:29 pm

Nonstop3h 24m

Miami

Wed 2/4

4:24 pm-7:29 pm

Nonstop3h 05m

$203

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 22 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 December 12, 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, 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 $101). 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 December 16, 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 December 16, 2025.
Get a feel of what it's like to fly with United Airlines, American Airlines, and JetBlue 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.
United Airlines
7.4
Good
9,094 reviews

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,094 reviews
United Airlines
7.4
Good
9,094 reviews

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,047 reviews
United Airlines
7.4
Good
9,094 reviews

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
JetBlue
7.2
Good
2,894 reviews
United Airlines
7.4
Good
9,094 reviews

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Spirit Airlines
6.3
Okay
8,188 reviews
United Airlines
7.4
Good
9,094 reviews

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Frontier
5.8
Fair
3,082 reviews
United Airlines
7.4
Good
9,094 reviews

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 17m. The time it takes to get you to your destination can typically vary by up to 5h 20m. 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 $33 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $47 and Delta from $73 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: British Airways (80%), Lufthansa (76%), American Airlines( 75%).

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

    The cheapest flight price from Newark Airport to Key Largo is $65. On average you can expect to pay $598. The most popular route, (Newark - Miami), can usually be booked for $71.

  • 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 $101). 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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Alternative routes for Newark to Key Largo

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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$57Average$130FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$66Average$182FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$98Average$178FlexibilityNo cancel feeOn-time88%
JetBlueCheapest$115Average$436FlexibilityNo cancel feeOn-time62%
DeltaCheapest$117Average$325FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$127Average$402FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$156Average$363FlexibilityNo cancel feeOn-time71%

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