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 $44 on Allegiant Air. Other airlines that offer cheap prices include Frontier from $57 and Delta from $68 one-way.

Weekly flight availability from Newark Airport to Key Largo

The most flights from EWR to KE9 are scheduled on a Tuesday (22 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (12 on average).

In terms of precipitation, rainfall in Key Largo ranges from 1.6 - 9.9 inches per month. September is typically the wettest month, when rainfall can reach 9.9 in. January is typically the driest time to visit Key Largo when rainfall is around 1.6 in.

If weather is an important factor for your trip to Key Largo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 68.0 F).

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

The cheapest flight price from Newark Airport to Key Largo is $187. On average you can expect to pay $911. The most popular route, (Newark - Miami), can usually be booked for $239.

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: GOL (70%), TAP AIR PORTUGAL (70%), British Airways( 65%).

What are the most popular airlines that fly from Newark Airport to Key Largo?

Consider United Airlines, American Airlines or JetBlue when booking your flight. These represent the most popular airlines when flying from Newark Airport to Key Largo.

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.

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Cheapflights Tip: The best prices from Newark to Key Largo are usually found in January or February, booked 40 days in advance, depart on a Saturday or Sunday and return on a Friday

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Popular in	August
Cheapest in	January
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Everything you need to know about your flight from Newark Airport to Key Largo

Prices

Airlines

What is the cheapest time of day to fly from EWR to KE9?

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?

Travelers seeking maximum savings on their Newark Airport to Key Largo flight should consider departing on Monday evenings 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 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

7.8

Good

8,608 reviews

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

8,608 reviews

Delta

7.8

Good

8,608 reviews

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

10,261 reviews

Delta

7.8

Good

8,608 reviews

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

3,042 reviews

Delta

7.8

Good

8,608 reviews

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

7.0

Good

12,097 reviews

Delta

7.8

Good

8,608 reviews

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

2,567 reviews

Delta

7.8

Good

8,608 reviews

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

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 $44 on Allegiant Air. Other airlines that offer cheap prices include Frontier from $57 and Delta from $68 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: GOL (70%), TAP AIR PORTUGAL (70%), British Airways( 65%).
What are the cheapest flights from Newark Airport to Key Largo?
The cheapest flight price from Newark Airport to Key Largo is $187. On average you can expect to pay $911. The most popular route, (Newark - Miami), can usually be booked for $239.
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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Top 6 airlines flying from Newark to Key Largo

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$52	Average$276	FlexibilityNo cancel fee	On-time62%
Allegiant Air	Cheapest$62	Average$160	FlexibilityNo cancel fee	On-time88%
Delta	Cheapest$98	Average$373	FlexibilityNo cancel fee	On-timeN/A
JetBlue	Cheapest$108	Average$283	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$143	Average$387	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$197	Average$438	FlexibilityNo cancel fee	On-time71%

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

Find cheap flights from Newark to Key Largo with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Newark to Key Largo

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Cheapflights Insights

What is the cheapest time of day to fly from EWR to KE9?

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?

Travelers seeking maximum savings on their Newark Airport to Key Largo flight should consider departing on Monday evenings 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.

Weekly flight availability from Newark Airport to Key Largo

The most flights from EWR to KE9 are scheduled on a Tuesday (22 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (12 on average).

Reviews of airlines servicing Key Largo

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.

Related info for your journey

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

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Newark to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Key Largo by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Newark to Key Largo by cabin class

Find flights from Newark to Key Largo, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Newark and Key Largo flights

Browse other Newark and Key Largo flight options. Last updated on September 30, 2026.

Other flights from Newark

Browse through other flights departing from Newark. Flights are based on user searches made on Cheapflights and were last updated on September 30, 2026.

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Newark to Key Largo flights

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Top 6 airlines flying from Newark to Key Largo

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