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$59+ Cheap flights from Key Largo, FL to Newark (EWR)

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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — EWR
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Key Largo to Newark are usually found in February or May, booked 41 days in advance, depart on a Thursday or Friday and return on a Tuesday

Cheap flight deals from Key Largo to Newark

Keep the following information in mind while searching for Key Largo to Newark flight deals. Data was last updated September 15, 2025.

Round-trip from

$108
(Priceline)

One-way from

$59
(Cheapflightsfares)

Popular in

July

Cheapest in

February

Average price

$187
From Key Largo to Newark
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One-way flight from Key Largo to Newark
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Highest demand for flights based on searches. 11% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Key Largo to Newark

Cheapest flights from Key Largo to Newark
Explore the most affordable flight options available from Key Largo to Newark. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/273:50 pmMIA - EWR
Nonstop3h 11mSpirit Airlines
Tue 9/303:09 pmEWR - MIA
Nonstop3h 04mSpirit Airlines
Deal found 9/14$109
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 10/13:48 pmMIA - EWR
Nonstop3h 11mSpirit Airlines
Mon 10/61:59 pmEWR - MIA
Nonstop3h 06mSpirit Airlines
Deal found 9/13$110
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/259:54 amMIA - EWR
Nonstop3h 10mSpirit Airlines
Thu 10/21:59 pmEWR - MIA
Nonstop3h 02mSpirit Airlines
Deal found 9/14$111
This Booking.com deal was found by Cheapflights users on 9/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/169:49 amMIA - EWR
Nonstop3h 09mSpirit Airlines
Sun 10/192:05 pmEWR - MIA
Nonstop3h 05mSpirit Airlines
Deal found 9/13$112
This Priceline deal was found by Cheapflights users on 9/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/299:54 amMIA - EWR
Nonstop3h 10mSpirit Airlines
Fri 10/32:00 pmEWR - MIA
Nonstop3h 02mSpirit Airlines
Deal found 9/14$113
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/711:07 amMIA - EWR
Nonstop3h 10mSpirit Airlines
Sun 11/166:59 amEWR - MIA
Nonstop3h 03mSpirit Airlines
Deal found 9/12$114
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/234:51 pmMIA - EWR
Nonstop3h 08mSpirit Airlines
Wed 9/243:09 pmEWR - MIA
Nonstop3h 04mSpirit Airlines
Deal found 9/14$115
This Priceline deal was found by Cheapflights users on 9/13. 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.
Sat 10/112:55 pmMIA - EWR
Nonstop3h 05mMultiple Airlines
Sat 10/1810:00 pmEWR - MIA
1 stop10h 18mMultiple Airlines
Deal found 9/13$116
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 10/13:48 pmMIA - EWR
Nonstop3h 11mSpirit Airlines
Thu 10/21:59 pmEWR - MIA
Nonstop3h 02mSpirit Airlines
Deal found 9/13$117
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/279:49 amMIA - EWR
Nonstop3h 09mSpirit Airlines
Tue 11/43:00 pmEWR - MIA
Nonstop3h 07mSpirit Airlines
Deal found 9/13$118
This Trip.com deal was found by Cheapflights users on 9/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/257:10 amMIA - EWR
1 stop13h 52mMultiple Airlines
Thu 10/21:59 pmEWR - MIA
Nonstop3h 02mMultiple Airlines
Deal found 9/14$119
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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.
Fri 10/39:54 amMIA - EWR
Nonstop3h 10mSpirit Airlines
Sat 10/48:50 amEWR - MIA
Nonstop3h 07mSpirit Airlines
Deal found 9/13$120

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key Largo to Newark 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 September 15, 2025.
Use the filters below to find and compare flights from Key Largo to Newark Airport that are best for you.

Fly from

Key Largo

Fly to

Newark

Route

Depart

Return

Price

MiamiNewark

MIA - EWR

MIAEWR

Miami

Tue 9/23

4:51 pm-7:59 pm

Nonstop3h 08m

Newark

Thu 9/25

5:15 am-12:22 pm

1 stop7h 07m

$116

MiamiNewark

MIA - EWR

MIAEWR

Miami

Thu 10/9

6:00 am-8:59 am

Nonstop2h 59m

Newark

Tue 10/14

7:30 pm-10:50 pm

Nonstop3h 20m

$127

MiamiNewark

MIA - EWR

MIAEWR

Miami

Sat 11/8

6:05 am-9:10 am

Nonstop3h 05m

Newark

Thu 11/13

8:47 pm-11:59 pm

Nonstop3h 12m

$127

MiamiNewark

MIA - EWR

MIAEWR

Miami

Sat 11/15

6:05 am-9:10 am

Nonstop3h 05m

Newark

Tue 11/18

1:33 pm-4:45 pm

Nonstop3h 12m

$127

MiamiNewark

MIA - EWR

MIAEWR

Miami

Fri 10/24

9:49 am-12:58 pm

Nonstop3h 09m

Newark

Sun 10/26

5:15 am-11:28 am

1 stop6h 13m

$142

MiamiNewark

MIA - EWR

MIAEWR

Miami

Fri 11/21

7:45 am-10:46 am

Nonstop3h 01m

Newark

Sat 11/22

3:55 pm-7:08 pm

Nonstop3h 13m

$147

MiamiNewark

MIA - EWR

MIAEWR

Miami

Fri 11/14

6:23 pm-12:53 am

1 stop6h 30m

Newark

Mon 11/17

11:59 am-5:18 pm

1 stop5h 19m

$157

MiamiNewark

MIA - EWR

MIAEWR

Miami

Tue 9/23

12:06 pm-4:51 pm

1 stop4h 45m

Newark

Thu 10/2

6:00 am-11:01 am

1 stop5h 01m

$187

MiamiNewark

MIA - EWR

MIAEWR

Miami

Sun 10/12

6:05 am-9:07 am

Nonstop3h 02m

Newark

Tue 10/14

9:00 am-12:18 pm

Nonstop3h 18m

$204

MiamiNewark

MIA - EWR

MIAEWR

Miami

Thu 10/30

12:39 pm-3:42 pm

Nonstop3h 03m

Newark

Wed 11/5

8:40 pm-11:56 pm

Nonstop3h 16m

$207

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 23 results
1
2
3

Best time to book a flight from Key Largo to Newark

Have a flexible travel schedule? Discover the best time to fly to Newark from Key Largo 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 Key Largo to Newark Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Newark. Price data was last updated on September 12, 2025.

Booking 41 days in advance of your planned departure date is, on average, the best time to get cheap flights from Key Largo to Newark Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Key Largo to Newark Airport (average of $228). Flying from Key Largo to Newark Airport in June is currently the most expensive (average of $301). 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 KE9 to EWR?

Find hourly flight availability from Key Largo to Newark. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

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

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

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

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

Weekly flight availability from Key Largo to Newark Airport

Explore weekly flight availability from Key Largo to Newark. 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 September 15, 2025.

The most flights from KE9 to EWR are scheduled on a Monday (25 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (15 on average).

Reviews of airlines servicing Newark

Get insights into the airlines that provide service to Newark. 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 Newark. Reviews last updated September 15, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Key Largo to Newark Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
Delta
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
United Airlines
7.4
Good
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
JetBlue
7.2
Good
2,912 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
Spirit Airlines
6.3
Okay
8,015 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

Related info for your journey

Find useful and relevant information for your journey from Key Largo to Newark. 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 Key Largo to Newark Airport flight route?

    Flights from Key Largo to Newark have been viewed 126 times in the past calendar month.

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

    For as low as $127, Spirit Airlines can have you in Newark Airport from Key Largo in 2h 59m. Key Largo and Newark Airport are separated by a distance of 1087 mi. Generally, flights for this route are nonstop.

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

    The top 3 most reliable airlines when flying from Key Largo to Newark Airport are Envoy Air (100%), Austrian Airlines (80%) and TAP AIR PORTUGAL (79%).

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

    Looking for the cheapest flight from Key Largo to Newark Airport? While on average our users pay $478, our data indicates the cheapest price to be $61. The most popular route (Miami - Newark), is priced around $86.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Key Largo to Newark 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 Key Largo to Newark Airport?

    Currently, January is the cheapest month in which you can book a flight from Key Largo to Newark Airport (average of $228). Flying from Key Largo to Newark Airport in June is currently the most expensive (average of $301). 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

Traveling to a place near Newark Airport?

Book flights to Newark Airport if you plan to visit one of these locations
Queens
Bronx
Elizabeth
Mahwah
Secaucus
Yonkers
Ronkonkoma
East Rutherford
North Bergen
Stamford
Staten Island
New Brunswick
Absecon
Carle Place
East Brunswick
Westbury
Avenel
Paterson
Fort Lee
Seaside Heights

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Top 6 airlines flying from Key Largo to Newark

Discover the top 6 airlines that operate flights from Key Largo to Newark. 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$29Average$227FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$72Average$165FlexibilityNo cancel feeOn-time65%
DeltaCheapest$98Average$171FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$110Average$227FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$127Average$282FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$147Average$302FlexibilityNo cancel feeOn-time71%

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