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$116+ 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — EWR
Aug 11 — Aug 181
Tue 8/11
Tue 8/18
1 adult, Economy
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Cheapflights Tip: The best prices from Key Largo to Newark are usually found in February or January, booked 85 days in advance, depart on a Thursday or Friday and return on a Saturday

Cheap 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 July 12, 2026.

This Trip.com deal was found by Cheapflights users on 7/7. 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 8/208:10 am
MIA
-
EWR
1 stop16h 53m
Frontier
Fri 8/215:55 am
EWR
-
MIA
1 stop7h 37m
Frontier
Deal found 7/7$232
This Trip.com deal was found by Cheapflights users on 7/8. 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.
Fri 8/76:42 pm
MIA
-
EWR
1 stop6h 21m
Frontier
Tue 8/115:55 am
EWR
-
MIA
1 stop7h 58m
Frontier
Deal found 7/8$233
This American Airlines deal was found by Cheapflights users on 7/7. 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 8/218:20 am
MIA
-
EWR
Nonstop3h 10m
American Airlines
Tue 8/2512:25 pm
EWR
-
MIA
Nonstop3h 12m
American Airlines
Deal found 7/7$234
This Priceline deal was found by Cheapflights users on 7/8. 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.
Tue 7/2811:19 am
MIA
-
EWR
1 stop10h 09m
Frontier
Wed 7/295:55 am
EWR
-
MIA
1 stop7h 58m
Frontier
Deal found 7/8$235
This Frontier deal was found by Cheapflights users on 7/8. 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.
Tue 7/215:28 pm
MIA
-
EWR
1 stop7h 35m
Frontier
Wed 7/295:55 am
EWR
-
MIA
1 stop7h 58m
Frontier
Deal found 7/8$236
This United Airlines deal was found by Cheapflights users on 7/7. 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.
Thu 8/137:59 pm
MIA
-
EWR
Nonstop3h 08m
United Airlines
Tue 8/183:38 pm
EWR
-
MIA
Nonstop3h 14m
United Airlines
Deal found 7/7$237
This American Airlines deal was found by Cheapflights users on 7/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:43 pm
MIA
-
EWR
Nonstop3h 08m
American Airlines
Mon 8/1712:25 pm
EWR
-
MIA
Nonstop3h 12m
American Airlines
Deal found 7/10$238
This American Airlines deal was found by Cheapflights users on 7/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:20 am
MIA
-
EWR
Nonstop3h 10m
American Airlines
Mon 8/246:30 pm
EWR
-
MIA
Nonstop3h 17m
American Airlines
Deal found 7/10$239
This Frontier deal was found by Cheapflights users on 7/9. 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.
Thu 8/275:28 pm
MIA
-
EWR
1 stop7h 35m
Frontier
Sun 8/305:55 am
EWR
-
MIA
1 stop10h 26m
Frontier
Deal found 7/9$240
This Frontier deal was found by Cheapflights users on 7/11. 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.
Thu 8/2011:10 am
MIA
-
EWR
1 stop10h 18m
Frontier
Mon 8/245:55 am
EWR
-
MIA
1 stop10h 26m
Frontier
Deal found 7/11$241
This Frontier deal was found by Cheapflights users on 7/7. 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.
Sat 7/185:54 pm
MIA
-
EWR
1 stop7h 09m
Frontier
Wed 7/225:55 am
EWR
-
MIA
1 stop10h 38m
Frontier
Deal found 7/7$242
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:42 pm
MIA
-
EWR
1 stop6h 21m
Frontier
Wed 9/211:30 am
EWR
-
MIA
2 stops11h 35m
Frontier
Deal found 7/10$243

Find 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 July 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$232
(Trip.com)

One-way from

$116
(eDestinos)

Popular in

June

Cheapest in

February

Average price

$315
Provider with most accurate pricing for Miami-New York (NYC) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Miami-New York (NYC) flights.
Search Deals
From Key Largo to Newark
Search Deals
One-way flight from Key Largo to Newark
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($69 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 12, 2026.
Use the filters below to find and compare flights from Key Largo to Newark Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MiamiNewark

MIA - EWR

MIAEWR

Miami

Sat 9/12

5:37 pm-8:43 pm

Nonstop3h 06m

Newark

Tue 9/22

6:00 am-11:11 am

1 stop5h 11m

$299
Quickest round-trip

MiamiNewark

MIA - EWR

MIAEWR

Miami

Thu 8/13

7:00 am-9:59 am

Nonstop2h 59m

Newark

Wed 8/19

3:38 pm-6:52 pm

Nonstop3h 14m

$327

MiamiNewark

MIA - EWR

MIAEWR

Miami

Mon 9/28

7:59 pm-11:07 pm

Nonstop3h 08m

Newark

Sat 10/3

6:00 am-11:20 am

1 stop5h 20m

$329

MiamiNewark

MIA - EWR

MIAEWR

Miami

Thu 7/23

5:22 pm-8:37 pm

Nonstop3h 15m

Newark

Tue 7/28

8:04 pm-11:22 pm

Nonstop3h 18m

$338

MiamiNewark

MIA - EWR

MIAEWR

Miami

Sat 8/29

6:00 am-12:18 pm

1 stop6h 18m

Newark

Mon 8/31

10:30 am-4:57 pm

1 stop6h 27m

$343

MiamiNewark

MIA - EWR

MIAEWR

Miami

Fri 7/31

8:40 pm-11:59 pm

Nonstop3h 19m

Newark

Sun 8/2

1:00 pm-4:16 pm

Nonstop3h 16m

$358

MiamiNewark

MIA - EWR

MIAEWR

Miami

Thu 8/6

5:22 pm-8:37 pm

Nonstop3h 15m

Newark

Tue 8/11

6:00 am-11:11 am

1 stop5h 11m

$379

MiamiNewark

MIA - EWR

MIAEWR

Miami

Mon 8/10

8:48 am-11:54 am

Nonstop3h 06m

Newark

Mon 8/17

8:29 pm-11:44 pm

Nonstop3h 15m

$379

MiamiNewark

MIA - EWR

MIAEWR

Miami

Fri 10/9

7:00 am-10:03 am

Nonstop3h 03m

Newark

Mon 10/12

8:29 pm-11:44 pm

Nonstop3h 15m

$379

MiamiNewark

MIA - EWR

MIAEWR

Miami

Thu 10/29

8:58 am-2:00 pm

1 stop5h 02m

Newark

Sat 10/31

6:22 pm-9:39 pm

Nonstop3h 17m

$379

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Showing 1-10 of 24 resultsSorted by cheapest first
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

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 July 12, 2026.

It’s optimal to fly from Key Largo to Newark Airport in the evening. By choosing this option you can save up to 38% on the cost of your flight, compared to a flight in the morning.

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 July 12, 2026.

The most flights from KE9 to EWR are scheduled on a Saturday (26 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (21 on average).

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

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 July 4, 2026.

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

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 July 12, 2026.
See what other customers who have flown with United Airlines,American Airlines, andJetBlue 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.
United Airlines
7.4
Good
9,982 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.7

Boarding

7.7

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
9,982 reviews
United Airlines
7.4
Good
9,982 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.7

Boarding

7.7

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
American Airlines
7.1
Good
11,815 reviews
United Airlines
7.4
Good
9,982 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.7

Boarding

7.7

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
JetBlue
7.1
Good
3,012 reviews
United Airlines
7.4
Good
9,982 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.7

Boarding

7.7

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
Frontier
5.6
Fair
2,824 reviews
United Airlines
7.4
Good
9,982 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.7

Boarding

7.7

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

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 long is the flight from Key Largo to Newark Airport?

    For as low as $299, United Airlines can have you in Newark Airport from Key Largo in 3h 06m. Key Largo and Newark Airport are separated by a distance of 1087 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Key Largo to Newark Airport one-way?

    To fly one-way, consider booking your trip with Allegiant Air, which is currently one of the cheapest options available, starting at $44. United Airlines flights start at $73 while deals on JetBlue start at $74 one-way.

  • 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 Austrian Airlines (92%), Avianca (89%) and Iberia (87%).

  • 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 $1,010, our data indicates the cheapest price to be $148. The most popular route (Miami - Newark), is priced around $179.

  • 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.

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
Mahwah
Elizabeth
East Rutherford
Bethlehem
Staten Island
Yonkers
Mount Laurel
Irvington
Secaucus
Tannersville
North Bergen
Seaside Heights
Absecon
Edgewater
Carle Place
Carteret
Fort Lee
Norwalk

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Alternative routes for Key Largo to Newark

See prices for flight routes from nearby airports that may be better suited for you.
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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 July 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$69Average$88FlexibilityNo cancel feeOn-time88%
FrontierCheapest$69Average$262FlexibilityNo cancel feeOn-time62%
DeltaCheapest$73Average$227FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$121Average$258FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$127Average$297FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$149Average$319FlexibilityNo cancel feeOn-time71%

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