$142+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — MIA
Sep 10 — Sep 171
Round-trip
1 adult, Economy
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Find cheap flights from Newark to Key Largo with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Newark to Key Largo are usually found in September or January, booked 40 days in advance, depart on a Saturday or Sunday and return on a Friday
Cheap flight deals from Newark to Key Largo
Cheapest
Best
Last-minute
One-way
Cheapest flights from Newark to Key LargoExplore 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 August 11, 2026.
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 August 11, 2026.
This Super.com deal was found by Cheapflights users on 8/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:55 am -
1 stop7h 37m
Tue 9/15:28 pm -
1 stop7h 35m
Deal found 8/11![Frontier logo]()
$233
This Frontier deal was found by Cheapflights users on 8/11. 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.
Fri 10/305:55 am -
1 stop12h 17m
Wed 11/410:28 am -
1 stop11h 00m
Deal found 8/11![Frontier logo]()
$234
This Priceline deal was found by Cheapflights users on 8/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:55 am -
1 stop10h 26m
Wed 9/25:28 pm -
1 stop7h 35m
Deal found 8/11![Frontier logo]()
$235
This Frontier deal was found by Cheapflights users on 8/11. 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.
Tue 8/255:55 am -
1 stop7h 37m
Wed 9/25:28 pm -
1 stop7h 35m
Deal found 8/11![Frontier logo]()
$236
This Frontier deal was found by Cheapflights users on 8/7. 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.
Wed 8/195:55 am -
1 stop7h 37m
Tue 9/15:28 pm -
1 stop7h 35m
Deal found 8/7![Frontier logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Wed 9/25:55 am -
1 stop7h 37m
Wed 9/165:32 am -
2 stops19h 29m
Deal found 8/10![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Tue 9/15:55 am -
1 stop7h 37m
Tue 9/155:32 am -
2 stops19h 29m
Deal found 8/10![Frontier logo]()
$239
This Trip.com deal was found by Cheapflights users on 8/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:55 am -
1 stop7h 37m
Sat 9/55:28 pm -
1 stop7h 35m
Deal found 8/9![Frontier logo]()
$240
This Trip.com deal was found by Cheapflights users on 8/7. 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.
Mon 8/315:55 am -
1 stop7h 37m
Sat 9/55:28 pm -
1 stop7h 35m
Deal found 8/7![Frontier logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/305:55 am -
1 stop7h 37m
Tue 9/88:10 am -
1 stop16h 53m
Deal found 8/8![Frontier logo]()
$242
This CheapOair deal was found by Cheapflights users on 8/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:55 am -
1 stop6h 10m
Fri 10/307:17 pm -
1 stop5h 42m
Deal found 8/10![Frontier logo]()
$243
This United Airlines deal was found by Cheapflights users on 8/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:29 pm -
Nonstop3h 15m
Wed 9/97:59 pm -
Nonstop3h 08m
Deal found 8/10![United Airlines logo]()
$244
Best flights from Newark to Key LargoDiscover carefully curated flight deals from Newark to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 11, 2026.
Discover carefully curated flight deals from Newark to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 11, 2026.
This United Airlines deal was found by Cheapflights users on 8/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:15 pm -
Nonstop3h 16m
Mon 9/148:45 am -
Nonstop3h 00m
Deal found 8/8![United Airlines logo]()
$249
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Sat 9/128:29 pm -
Nonstop3h 15m
Sat 9/197:59 pm -
Nonstop3h 08m
Deal found 8/7![United Airlines logo]()
$279
This United Airlines deal was found by Cheapflights users on 8/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:15 pm -
Nonstop3h 16m
Sat 9/197:00 am -
Nonstop2h 59m
Deal found 8/10![United Airlines logo]()
$280
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Sat 9/126:00 am -
1 stop5h 11m
Sun 9/137:59 pm -
Nonstop3h 08m
Deal found 8/7![United Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Fri 11/68:40 pm -
Nonstop3h 18m
Tue 11/108:00 am -
Nonstop3h 06m
Deal found 8/7![United Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 8/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:00 am -
1 stop5h 20m
Sun 10/117:00 am -
Nonstop2h 59m
Deal found 8/8![United Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 8/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/193:38 pm -
Nonstop3h 14m
Wed 8/267:00 am -
Nonstop2h 59m
Deal found 8/10![United Airlines logo]()
$361
This United Airlines deal was found by Cheapflights users on 8/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/304:28 pm -
Nonstop3h 13m
Wed 11/41:25 pm -
1 stop8h 09m
Deal found 8/10![United Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 8/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:00 am -
1 stop5h 20m
Sun 10/117:00 am -
Nonstop2h 59m
Deal found 8/10![United Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 8/7. 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 8/206:00 am -
1 stop5h 11m
Tue 8/258:45 am -
Nonstop3h 00m
Deal found 8/7![United Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 8/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:00 am -
1 stop5h 11m
Mon 9/211:44 pm -
1 stop5h 31m
Deal found 8/10![United Airlines logo]()
$429
Last-minute flights from Newark to Key LargoDiscover last-minute flight deals from Newark to Key Largo. Data last updated August 11, 2026 and is based on user searches.
Discover last-minute flight deals from Newark to Key Largo. Data last updated August 11, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 8/7. 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.
Wed 8/195:55 am -
1 stop7h 37m
Tue 9/15:28 pm -
1 stop7h 35m
Deal found 8/7![Frontier logo]()
$237
This Frontier deal was found by Cheapflights users on 8/11. 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.
Tue 8/255:55 am -
1 stop7h 37m
Wed 9/25:28 pm -
1 stop7h 35m
Deal found 8/11![Frontier logo]()
$236
This Expedia deal was found by Cheapflights users on 8/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:55 am -
1 stop10h 26m
Tue 9/15:28 pm -
1 stop7h 35m
Deal found 8/11![Frontier logo]()
$235
This Super.com deal was found by Cheapflights users on 8/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:55 am -
1 stop7h 37m
Tue 9/15:28 pm -
1 stop7h 35m
Deal found 8/11![Frontier logo]()
$233
This Trip.com deal was found by Cheapflights users on 8/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:55 am -
1 stop7h 37m
Sat 9/55:28 pm -
1 stop7h 35m
Deal found 8/9![Frontier logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/305:55 am -
1 stop7h 37m
Tue 9/88:10 am -
1 stop16h 53m
Deal found 8/8![Frontier logo]()
$242
This Trip.com deal was found by Cheapflights users on 8/7. 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.
Mon 8/315:55 am -
1 stop7h 37m
Sat 9/55:28 pm -
1 stop7h 35m
Deal found 8/7![Frontier logo]()
$241
This Priceline deal was found by Cheapflights users on 8/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:55 am -
1 stop7h 37m
Sun 9/65:28 pm -
1 stop7h 35m
Deal found 8/11![Frontier logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Tue 9/15:55 am -
1 stop7h 37m
Tue 9/155:32 am -
2 stops19h 29m
Deal found 8/10![Frontier logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Wed 9/25:55 am -
1 stop7h 37m
Wed 9/165:32 am -
2 stops19h 29m
Deal found 8/10![Frontier logo]()
$238
This Jetabroad deal was found by Cheapflights users on 8/11. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:55 am -
1 stop7h 37m
Sun 9/65:28 pm -
1 stop7h 35m
Deal found 8/11![Frontier logo]()
$243
This United Airlines deal was found by Cheapflights users on 8/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:29 pm -
Nonstop3h 15m
Wed 9/97:59 pm -
Nonstop3h 08m
Deal found 8/10![United Airlines logo]()
$244
One-way flights from Newark to Key LargoSearch for one-way flight options from Newark to Key Largo. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
Search for one-way flight options from Newark to Key Largo. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
This eDestinos deal was found by Cheapflights users on 8/10. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:55 am -
1 stop10h 26m
Deal found 8/10![Frontier logo]()
$142
This Frontier deal was found by Cheapflights users on 8/11. 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.
Sat 10/1710:24 pm -
1 stop10h 34m
Deal found 8/11![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Tue 9/811:30 am -
2 stops11h 35m
Deal found 8/10![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:55 am -
1 stop14h 34m
Deal found 8/7![Frontier logo]()
$145
This Trip.com deal was found by Cheapflights users on 8/7. 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.
Fri 9/410:29 pm -
1 stop22h 00m
Deal found 8/7![Frontier logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:55 am -
2 stops14h 43m
Deal found 8/11![Frontier logo]()
$147
This Frontier deal was found by Cheapflights users on 8/11. 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 9/171:30 pm -
1 stop8h 30m
Deal found 8/11![Frontier logo]()
$149
This Frontier deal was found by Cheapflights users on 8/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:55 am -
1 stop6h 10m
Deal found 8/10![Frontier logo]()
$150
This Super.com deal was found by Cheapflights users on 8/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:55 am -
1 stop10h 26m
Deal found 8/10![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Wed 9/165:55 am -
2 stops14h 43m
Deal found 8/10![Frontier logo]()
$153
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 August 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $233 (Super.com) |
One-way from | $142 (eDestinos) |
Popular in | July |
Cheapest in | September |
Average price | $354 |
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 August 11, 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
Cheapest round-trip
NewarkMiami
EWR Newark - MIA Miami
EWRMIA
Newark
Thu 9/10
1:15 pm-4:31 pm
Nonstop3h 16m
Miami
Mon 9/14
8:45 am-11:45 am
Nonstop3h 00m
$249
NewarkMiami
EWR Newark - MIA Miami
EWRMIA
Newark
Sat 9/12
8:29 pm-11:44 pm
Nonstop3h 15m
Miami
Sat 9/19
7:59 pm-11:07 pm
Nonstop3h 08m
$279
NewarkMiami
EWR Newark - MIA Miami
EWRMIA
Newark
Tue 9/15
1:15 pm-4:31 pm
Nonstop3h 16m
Miami
Sat 9/19
7:00 am-9:59 am
Nonstop2h 59m
$280
NewarkMiami
EWR Newark - MIA Miami
EWRMIA
Newark
Sat 9/12
6:00 am-11:11 am
1 stop5h 11m
Miami
Sun 9/13
7:59 pm-11:07 pm
Nonstop3h 08m
$319
NewarkMiami
EWR Newark - MIA Miami
EWRMIA
Newark
Fri 11/6
8:40 pm-11:58 pm
Nonstop3h 18m
Miami
Tue 11/10
8:00 am-11:06 am
Nonstop3h 06m
$319
NewarkMiami
EWR Newark - MIA Miami
EWRMIA
Newark
Sat 10/3
6:00 am-11:20 am
1 stop5h 20m
Miami
Sun 10/11
7:00 am-9:59 am
Nonstop2h 59m
$344
Quickest round-trip
NewarkMiami
EWR Newark - MIA Miami
EWRMIA
Newark
Wed 8/19
3:38 pm-6:52 pm
Nonstop3h 14m
Miami
Wed 8/26
7:00 am-9:59 am
Nonstop2h 59m
$361
NewarkMiami
EWR Newark - MIA Miami
EWRMIA
Newark
Fri 10/30
4:28 pm-7:41 pm
Nonstop3h 13m
Miami
Wed 11/4
1:25 pm-9:34 pm
1 stop8h 09m
$399
NewarkMiami
EWR Newark - MIA Miami
EWRMIA
Newark
Fri 10/2
6:00 am-11:20 am
1 stop5h 20m
Miami
Sun 10/11
7:00 am-9:59 am
Nonstop2h 59m
$399
NewarkMiami
EWR Newark - MIA Miami
EWRMIA
Newark
Thu 8/20
6:00 am-11:11 am
1 stop5h 11m
Miami
Tue 8/25
8:45 am-11:45 am
Nonstop3h 00m
$409
Showing 1-10 of 22 resultsSorted by cheapest first
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.
EWR-MIA
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
EWR-KE9
EWR-MIA
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 August 11, 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.
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 August 11, 2026.
The most flights from EWR to KE9 are scheduled on a Monday (21 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).
How much does it cost to fly round-trip from Newark Airport to Key Largo?
Airfare is below average for this route at the moment.
Newark Airport to Key Largo flights typically cost between $265 and $434 in August.The cheapest round-trip price found within the last 5 days was $233 on Frontier (Aug 29-Sep 1).
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 August 8, 2026.
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 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 August 11, 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.
Crew
8.5
Food
7.2
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Crew
8.5
Food
7.2
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Crew
8.5
Food
7.2
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Crew
8.5
Food
7.2
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Crew
8.5
Food
7.2
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Crew
8.5
Food
7.2
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
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.
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Newark and Key Largo flights
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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 August 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$52 | Average$240 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$62 | Average$164 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$98 | Average$345 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$108 | Average$274 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$137 | Average$370 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$137 | Average$434 | FlexibilityNo cancel fee | On-time71% |