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Key Largo

$82+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — MIA
Jun 9 — Jun 161
Tue 6/9
Tue 6/16
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 40 days in advance, depart on a Sunday or Saturday and return on a Thursday

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 May 10, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/6. 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 6/95:58 am
EWR
-
MIA
1 stop10h 33m
Frontier
Thu 6/118:30 am
MIA
-
EWR
1 stop16h 35m
Frontier
Deal found 5/6$140
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 6/35:55 am
EWR
-
MIA
1 stop16h 52m
Frontier
Wed 6/105:26 pm
MIA
-
EWR
1 stop7h 39m
Frontier
Deal found 5/5$143
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 8/185:55 am
EWR
-
MIA
1 stop7h 34m
Frontier
Wed 8/195:26 pm
MIA
-
EWR
1 stop7h 39m
Frontier
Deal found 5/6$165
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 6/910:29 pm
EWR
-
MIA
1 stop15h 20m
Frontier
Tue 6/1611:19 am
MIA
-
EWR
1 stop13h 46m
Frontier
Deal found 5/6$168
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 5/2610:29 pm
EWR
-
MIA
2 stops23h 43m
Frontier
Wed 6/1011:19 am
MIA
-
EWR
1 stop13h 46m
Frontier
Deal found 5/6$175
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 5/2910:29 pm
EWR
-
MIA
1 stop24h 18m
Frontier
Wed 6/38:10 am
MIA
-
EWR
1 stop17h 08m
Frontier
Deal found 5/5$180
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 7/75:55 am
EWR
-
MIA
1 stop7h 58m
Frontier
Fri 7/248:30 am
MIA
-
EWR
1 stop12h 58m
Frontier
Deal found 5/5$185
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 7/75:55 am
EWR
-
MIA
1 stop7h 58m
Frontier
Wed 7/85:28 pm
MIA
-
EWR
1 stop7h 35m
Frontier
Deal found 5/6$187
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 6/155:58 am
EWR
-
MIA
1 stop10h 33m
Frontier
Wed 6/1711:19 am
MIA
-
EWR
1 stop10h 10m
Frontier
Deal found 5/5$192
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 6/45:55 am
EWR
-
MIA
2 stops14h 19m
Frontier
Wed 6/105:26 pm
MIA
-
EWR
1 stop7h 39m
Frontier
Deal found 5/5$195

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 May 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$140
(Kiwi.com)

One-way from

$82
(Kiwi.com)

Popular in

April

Cheapest in

September

Average price

$258
Provider with most accurate pricing for New York (NYC)-Miami flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Miami flights.
Search Deals
From Newark to Key Largo
Search Deals
One-way flight from Newark to Key Largo
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 10, 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

Tue 6/2

6:00 am-11:35 am

1 stop5h 35m

Miami

Tue 6/2

8:40 pm-11:59 pm

Nonstop3h 19m

$207

NewarkMiami

EWR - MIA

EWRMIA

Newark

Mon 6/29

6:00 am-11:35 am

1 stop5h 35m

Miami

Wed 7/1

8:48 am-11:54 am

Nonstop3h 06m

$262

NewarkMiami

EWR - MIA

EWRMIA

Newark

Fri 6/5

1:00 pm-4:16 pm

Nonstop3h 16m

Miami

Wed 6/10

7:07 am-10:11 am

Nonstop3h 04m

$287

NewarkMiami

EWR - MIA

EWRMIA

Newark

Sun 8/2

8:08 pm-11:26 pm

Nonstop3h 18m

Miami

Fri 8/7

7:07 am-10:11 am

Nonstop3h 04m

$287

NewarkMiami

EWR - MIA

EWRMIA

Newark

Mon 6/1

6:00 am-11:35 am

1 stop5h 35m

Miami

Sat 6/6

8:47 am-11:53 am

Nonstop3h 06m

$297

NewarkMiami

EWR - MIA

EWRMIA

Newark

Sat 6/6

6:00 am-11:35 am

1 stop5h 35m

Miami

Sun 6/14

7:07 am-10:11 am

Nonstop3h 04m

$332

NewarkMiami

EWR - MIA

EWRMIA

Newark

Fri 7/31

6:00 am-11:35 am

1 stop5h 35m

Miami

Mon 8/3

7:07 am-10:11 am

Nonstop3h 04m

$350

NewarkMiami

EWR - MIA

EWRMIA

Newark

Fri 5/29

8:08 pm-11:26 pm

Nonstop3h 18m

Miami

Sun 6/7

7:07 am-10:11 am

Nonstop3h 04m

$376

NewarkMiami

EWR - MIA

EWRMIA

Newark

Sat 5/16

10:00 am-1:13 pm

Nonstop3h 13m

Miami

Fri 5/22

8:40 pm-11:59 pm

Nonstop3h 19m

$377
Quickest round-trip

NewarkMiami

EWR - MIA

EWRMIA

Newark

Sun 5/17

6:00 am-9:10 am

Nonstop3h 10m

Miami

Fri 5/22

7:07 am-10:11 am

Nonstop3h 04m

$377

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/5

Showing 1-10 of 23 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 May 10, 2026.

It’s optimal to fly from Newark Airport to Key Largo in the evening. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight in the morning.

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 May 2, 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. Thursday 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 May 10, 2026.

The most flights from EWR to KE9 are scheduled on a Friday (26 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (22 on average).

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

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 May 10, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andJetBlue 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
7.9
Good
8,454 reviews

Comfort

7.8

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

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
7.9
Good
8,454 reviews
Delta
7.9
Good
8,454 reviews

Comfort

7.8

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

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
9,694 reviews
Delta
7.9
Good
8,454 reviews

Comfort

7.8

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

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
7.2
Good
2,977 reviews
Delta
7.9
Good
8,454 reviews

Comfort

7.8

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

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
11,667 reviews
Delta
7.9
Good
8,454 reviews

Comfort

7.8

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

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
Spirit Airlines
6.3
Okay
8,636 reviews
Delta
7.9
Good
8,454 reviews

Comfort

7.8

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

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 5h 35m. The time it takes to get you to your destination can typically vary by up to . The distance from Newark Airport to Key Largo is about 1087 mi.

  • 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 $39 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $47 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: TAP AIR PORTUGAL (86%), GOL (83%), American Airlines( 82%).

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

    The cheapest flight price from Newark Airport to Key Largo is $86. On average you can expect to pay $616. The most popular route, (Newark - Miami), can usually be booked for $197.

  • 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 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 May 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$26Average$163FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$62Average$164FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$71Average$225FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$82Average$244FlexibilityNo cancel feeOn-time62%
DeltaCheapest$98Average$348FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$128Average$352FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$162Average$424FlexibilityNo cancel feeOn-time71%

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