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Key Largo

$103+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — MIA
Jul 23 — Jul 301
Thu 7/23
Thu 7/30
1 adult, Economy
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Cheapflights Tip: The best prices from Newark to Key Largo are usually found in September or October, booked 83 days in advance, depart on a Saturday or Sunday 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 June 23, 2026.

This American Airlines deal was found by Cheapflights users on 6/21. 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.
Fri 9/48:06 am
EWR
-
MIA
Nonstop3h 14m
American Airlines
Tue 9/87:40 pm
MIA
-
EWR
Nonstop3h 18m
American Airlines
Deal found 6/21$202
This eDestinos deal was found by Cheapflights users on 6/21. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:55 am
EWR
-
MIA
1 stop10h 38m
Frontier
Tue 7/2811:19 am
MIA
-
EWR
1 stop10h 09m
Frontier
Deal found 6/21$205
This Kiwi.com deal was found by Cheapflights users on 6/20. 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 8/55:55 am
EWR
-
MIA
1 stop7h 58m
Frontier
Wed 8/126:42 pm
MIA
-
EWR
1 stop6h 21m
Frontier
Deal found 6/20$206
This Frontier deal was found by Cheapflights users on 6/21. 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.
Wed 8/125:55 am
EWR
-
MIA
1 stop11h 52m
Frontier
Tue 8/2511:10 am
MIA
-
EWR
1 stop10h 18m
Frontier
Deal found 6/21$211
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Sun 9/66:00 am
EWR
-
MIA
1 stop5h 11m
United Airlines
Sat 9/1211:26 am
MIA
-
EWR
Nonstop3h 04m
United Airlines
Deal found 6/22$212
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/155:55 am
EWR
-
MIA
1 stop10h 38m
Frontier
Thu 7/165:28 pm
MIA
-
EWR
1 stop7h 35m
Frontier
Deal found 6/18$213
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 7/215:55 am
EWR
-
MIA
1 stop7h 58m
Frontier
Sat 8/15:54 pm
MIA
-
EWR
1 stop7h 09m
Frontier
Deal found 6/22$214
This Kiwi.com deal was found by Cheapflights users on 6/20. 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 8/2410:29 pm
EWR
-
MIA
1 stop15h 03m
Frontier
Tue 9/15:28 pm
MIA
-
EWR
1 stop7h 35m
Frontier
Deal found 6/20$215
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 7/165:55 am
EWR
-
MIA
1 stop7h 58m
Frontier
Sat 7/255:54 pm
MIA
-
EWR
1 stop7h 09m
Frontier
Deal found 6/19$216

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 June 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$202
(American Airlines)

One-way from

$103
(eDestinos)

Popular in

June

Cheapest in

September

Average price

$351
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. 9% potential increase in price ($28 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 June 2026
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 June 23, 2026.
Use the filters below to find and compare flights from Newark Airport to Key Largo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NewarkMiami

EWR - MIA

EWRMIA

Newark

Fri 7/17

1:00 pm-4:16 pm

Nonstop3h 16m

Miami

Wed 7/22

8:48 am-11:54 am

Nonstop3h 06m

$251

NewarkMiami

EWR - MIA

EWRMIA

Newark

Tue 7/28

6:00 am-11:35 am

1 stop5h 35m

Miami

Wed 8/12

8:45 am-11:45 am

Nonstop3h 00m

$363

NewarkMiami

EWR - MIA

EWRMIA

Newark

Mon 7/13

4:00 pm-7:26 pm

Nonstop3h 26m

Miami

Fri 7/17

8:48 am-11:54 am

Nonstop3h 06m

$397

NewarkMiami

EWR - MIA

EWRMIA

Newark

Sat 6/27

8:04 pm-11:22 pm

Nonstop3h 18m

Miami

Tue 6/30

8:40 pm-11:59 pm

Nonstop3h 19m

$418

NewarkMiami

EWR - MIA

EWRMIA

Newark

Tue 8/18

6:00 am-11:11 am

1 stop5h 11m

Miami

Sun 8/23

7:00 am-9:59 am

Nonstop2h 59m

$443

NewarkMiami

EWR - MIA

EWRMIA

Newark

Wed 7/15

1:00 pm-4:16 pm

Nonstop3h 16m

Miami

Fri 7/17

8:40 pm-11:59 pm

Nonstop3h 19m

$452
Quickest round-trip

NewarkMiami

EWR - MIA

EWRMIA

Newark

Sun 7/5

7:00 am-10:02 am

Nonstop3h 02m

Miami

Mon 7/6

7:07 am-10:11 am

Nonstop3h 04m

$452

NewarkMiami

EWR - MIA

EWRMIA

Newark

Thu 7/9

8:04 pm-11:22 pm

Nonstop3h 18m

Miami

Sun 7/12

8:48 am-11:54 am

Nonstop3h 06m

$469

NewarkMiami

EWR - MIA

EWRMIA

Newark

Wed 7/29

6:00 am-11:35 am

1 stop5h 35m

Miami

Sun 8/9

7:07 am-10:11 am

Nonstop3h 04m

$477

NewarkMiami

EWR - MIA

EWRMIA

Newark

Sun 7/12

9:50 pm-11:35 am

1 stop13h 45m

Miami

Sun 7/19

8:48 am-11:54 am

Nonstop3h 06m

$486

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/22

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

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

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 June 23, 2026.

It’s optimal to fly from Newark Airport to Key Largo in the evening. By choosing this option you can save up to 30% on the cost of your flight, compared to a flight in the morning.

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 June 23, 2026.

The most flights from EWR to KE9 are scheduled on a Monday (23 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).

How much does it cost to fly round-trip from Newark Airport to Key Largo?

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 June 20, 2026.

Travelers seeking maximum savings on their Newark Airport to Key Largo flight should consider departing on Tuesday at noon when fares are most often at their lowest. Tuesday afternoons 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 June 23, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican 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
7.8
Good
8,421 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Crew

8.5

Overall

7.8

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
Delta
7.8
Good
8,421 reviews
Delta
7.8
Good
8,421 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Crew

8.5

Overall

7.8

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
United Airlines
7.4
Good
9,875 reviews
Delta
7.8
Good
8,421 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Crew

8.5

Overall

7.8

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
American Airlines
7.1
Good
11,738 reviews
Delta
7.8
Good
8,421 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Crew

8.5

Overall

7.8

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
JetBlue
7.1
Good
2,996 reviews
Delta
7.8
Good
8,421 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Crew

8.5

Overall

7.8

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
Frontier
5.6
Fair
2,871 reviews
Delta
7.8
Good
8,421 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Crew

8.5

Overall

7.8

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

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 long is the flight from Newark Airport to Key Largo?

    Airlines like United Airlines fly from Newark Airport to Key Largo in about 3h 16m. The time it takes to get you to your destination is usually consistent. The distance from Newark Airport to Key Largo is about 1087 mi. Generally, flights for this route are nonstop.

  • 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 Delta from $68 and American Airlines 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 (92%), United Airlines (88%), American Airlines( 88%).

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

    The cheapest flight price from Newark Airport to Key Largo is $98. On average you can expect to pay $665. The most popular route, (Newark - Miami), can usually be booked for $106.

  • 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.

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 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 June 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$52Average$201FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$62Average$164FlexibilityNo cancel feeOn-time88%
JetBlueCheapest$82Average$260FlexibilityNo cancel feeOn-time62%
DeltaCheapest$98Average$322FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$131Average$360FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$137Average$429FlexibilityNo cancel feeOn-time71%

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