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$56+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — EWR
Apr 17 — Apr 241
Fri 4/17
Fri 4/24
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 82 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 March 18, 2026.

This Spirit deal was found by Cheapflights users on 3/15. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/15:49 pm
MIA
-
EWR
Nonstop3h 11m
Spirit Airlines
Wed 5/62:58 pm
EWR
-
MIA
Nonstop3h 06m
Spirit Airlines
Deal found 3/15$87
This Cheapflightsfares deal was found by Cheapflights users on 3/13. 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 4/111:38 am
MIA
-
EWR
Nonstop3h 07m
Spirit Airlines
Wed 4/84:13 pm
EWR
-
MIA
Nonstop3h 03m
Spirit Airlines
Deal found 3/13$92
This Mytrip deal was found by Cheapflights users on 3/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:30 pm
MIA
-
EWR
Nonstop3h 10m
Spirit Airlines
Sat 5/92:58 pm
EWR
-
MIA
Nonstop3h 06m
Spirit Airlines
Deal found 3/18$93
This Trip.com deal was found by Cheapflights users on 3/17. 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 4/165:49 pm
MIA
-
EWR
Nonstop3h 11m
Spirit Airlines
Sun 4/191:19 pm
EWR
-
MIA
Nonstop3h 03m
Spirit Airlines
Deal found 3/17$95
This CheapOair deal was found by Cheapflights users on 3/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/313:12 pm
MIA
-
EWR
1 stop8h 17m
Spirit Airlines
Tue 4/144:13 pm
EWR
-
MIA
Nonstop3h 03m
Spirit Airlines
Deal found 3/16$96
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Tue 4/285:49 pm
MIA
-
EWR
Nonstop3h 11m
Spirit Airlines
Mon 5/42:58 pm
EWR
-
MIA
Nonstop3h 06m
Spirit Airlines
Deal found 3/16$98
This Cheapflightsfares deal was found by Cheapflights users on 3/13. 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 4/295:49 pm
MIA
-
EWR
Nonstop3h 11m
Spirit Airlines
Tue 5/51:19 pm
EWR
-
MIA
Nonstop3h 03m
Spirit Airlines
Deal found 3/13$100
This CheapOair deal was found by Cheapflights users on 3/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/77:09 pm
MIA
-
EWR
Nonstop3h 07m
Spirit Airlines
Mon 5/112:58 pm
EWR
-
MIA
Nonstop3h 06m
Spirit Airlines
Deal found 3/13$102
This Kiwi.com deal was found by Cheapflights users on 3/14. 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.
Sat 3/2811:38 am
MIA
-
EWR
Nonstop3h 07m
Spirit Airlines
Wed 4/84:13 pm
EWR
-
MIA
Nonstop3h 03m
Spirit Airlines
Deal found 3/14$103
This Cheapflightsfares deal was found by Cheapflights users on 3/13. 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 4/13:12 pm
MIA
-
EWR
1 stop8h 17m
Spirit Airlines
Tue 4/74:13 pm
EWR
-
MIA
Nonstop3h 03m
Spirit Airlines
Deal found 3/13$104

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 March 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$87
(Spirit)

One-way from

$56
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$243
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. 11% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 18, 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 4/18

6:30 am-5:45 pm

1 stop11h 15m

Newark

Sun 4/19

1:19 pm-4:22 pm

Nonstop3h 03m

$170

MiamiNewark

MIA - EWR

MIAEWR

Miami

Tue 5/5

6:44 am-8:04 pm

1 stop13h 20m

Newark

Thu 5/7

2:58 pm-6:04 pm

Nonstop3h 06m

$178

MiamiNewark

MIA - EWR

MIAEWR

Miami

Fri 5/1

10:16 am-1:29 pm

Nonstop3h 13m

Newark

Mon 5/4

7:43 pm-10:59 pm

Nonstop3h 16m

$217
Quickest round-trip

MiamiNewark

MIA - EWR

MIAEWR

Miami

Tue 4/14

11:38 am-2:45 pm

Nonstop3h 07m

Newark

Wed 4/15

1:19 pm-4:22 pm

Nonstop3h 03m

$232

MiamiNewark

MIA - EWR

MIAEWR

Miami

Thu 5/28

8:48 am-11:54 am

Nonstop3h 06m

Newark

Sun 5/31

8:08 pm-11:26 pm

Nonstop3h 18m

$237

MiamiNewark

MIA - EWR

MIAEWR

Miami

Wed 5/27

8:40 pm-11:59 pm

Nonstop3h 19m

Newark

Sun 5/31

1:00 pm-4:16 pm

Nonstop3h 16m

$237

MiamiNewark

MIA - EWR

MIAEWR

Miami

Tue 4/14

7:40 pm-10:59 pm

Nonstop3h 19m

Newark

Tue 4/21

7:40 am-10:53 am

Nonstop3h 13m

$264

MiamiNewark

MIA - EWR

MIAEWR

Miami

Fri 4/17

6:10 pm-9:29 pm

Nonstop3h 19m

Newark

Mon 4/27

11:17 am-2:27 pm

Nonstop3h 10m

$297

MiamiNewark

MIA - EWR

MIAEWR

Miami

Thu 5/21

7:07 am-10:11 am

Nonstop3h 04m

Newark

Sun 5/31

4:00 pm-7:26 pm

Nonstop3h 26m

$297

MiamiNewark

MIA - EWR

MIAEWR

Miami

Thu 6/4

8:40 pm-11:59 pm

Nonstop3h 19m

Newark

Mon 6/8

4:00 pm-7:26 pm

Nonstop3h 26m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/16

Showing 1-10 of 23 resultsSorted by cheapest first
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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 March 13, 2026.

Booking 82 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, February is the cheapest month in which you can book a flight from Key Largo to Newark Airport (average of $61). Flying from Key Largo to Newark Airport in June is currently the most expensive (average of $96). 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 March 18, 2026.

It’s optimal to fly from Key Largo to Newark Airport in the evening. By choosing this option you can save up to 47% on the cost of your flight, compared to a flight at noon.

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 March 14, 2026.

Travelers seeking maximum savings on their Key Largo to Newark Airport flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday afternoons 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 March 18, 2026.

The most flights from KE9 to EWR are scheduled on a Wednesday (30 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 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 March 18, 2026.
See what other customers who have flown with United Airlines,JetBlue, andAmerican 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.
United Airlines
7.4
Good
9,434 reviews

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
United Airlines
7.4
Good
9,434 reviews
United Airlines
7.4
Good
9,434 reviews

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
JetBlue
7.2
Good
2,907 reviews
United Airlines
7.4
Good
9,434 reviews

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
American Airlines
7.1
Good
11,469 reviews
United Airlines
7.4
Good
9,434 reviews

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
Spirit Airlines
6.3
Okay
8,523 reviews
United Airlines
7.4
Good
9,434 reviews

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
Frontier
5.7
Fair
3,024 reviews
United Airlines
7.4
Good
9,434 reviews

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

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 $217, Spirit Airlines can have you in Newark Airport from Key Largo in 3h 13m. 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 Spirit Airlines, which is currently one of the cheapest options available, starting at $42. Allegiant Air flights start at $46 while deals on Frontier start at $50 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 Avianca (80%), GOL (75%) and Austrian Airlines (69%).

  • 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 $782, our data indicates the cheapest price to be $76. The most popular route (Miami - Newark), is priced around $87.

  • 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, February is the cheapest month in which you can book a flight from Key Largo to Newark Airport (average of $61). Flying from Key Largo to Newark Airport in June is currently the most expensive (average of $96). 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
Mahwah
East Rutherford
Yonkers
Bethlehem
Secaucus
Elizabeth
Mount Laurel
North Bergen
Irvington
Edgewater
Seaside Heights
Absecon
Carle Place
Parsippany
Tannersville
Staten Island
Carteret
Stamford

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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 March 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$57Average$225FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$63Average$154FlexibilityNo cancel feeOn-time65%
DeltaCheapest$73Average$177FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$78Average$226FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$127Average$263FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$144Average$291FlexibilityNo cancel feeOn-time71%

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