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Key Largo

$63+ Cheap flights from Atlantic City (ACY) 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
ACY — MIA
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
1 adult, Economy
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Find flight deals from Atlantic City to Key Largo

Cheapest flights from Atlantic City to Key Largo
Explore the most affordable flight options available from Atlantic City to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2025.

This Mytrip deal was found by Cheapflights users on 11/1. 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.
Tue 11/185:45 amACY - MIA
3 stops29h 37mSpirit Airlines
Thu 11/2012:28 pmMIA - ACY
2 stops11h 23mSpirit Airlines
Deal found 11/1$266
This Mytrip deal was found by Cheapflights users on 11/1. 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.
Thu 12/45:10 amACY - MIA
2 stops27h 13mSpirit Airlines
Sat 12/66:05 amMIA - ACY
2 stops16h 50mSpirit Airlines
Deal found 11/1$270
This Mytrip deal was found by Cheapflights users on 10/30. 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.
Tue 11/118:15 amACY - MIA
3 stops27h 07mSpirit Airlines
Thu 11/1312:05 pmMIA - ACY
2 stops10h 21mSpirit Airlines
Deal found 10/30$284
This Mytrip deal was found by Cheapflights users on 10/30. 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.
Sun 11/165:03 pmACY - MIA
2 stops18h 19mSpirit Airlines
Thu 11/2012:28 pmMIA - ACY
2 stops11h 23mSpirit Airlines
Deal found 10/30$285
This Mytrip deal was found by Cheapflights users on 11/1. 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.
Wed 12/36:15 amACY - MIA
2 stops30h 59mSpirit Airlines
Sat 12/66:05 amMIA - ACY
2 stops16h 50mSpirit Airlines
Deal found 11/1$286
This Mytrip deal was found by Cheapflights users on 11/2. 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.
Wed 12/36:15 amACY - MIA
3 stops31h 11mSpirit Airlines
Thu 12/116:05 amMIA - ACY
2 stops16h 27mSpirit Airlines
Deal found 11/2$307
This Mytrip deal was found by Cheapflights users on 10/31. 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.
Thu 12/115:50 pmACY - MIA
2 stops19h 36mSpirit Airlines
Sun 12/146:05 amMIA - ACY
2 stops16h 27mSpirit Airlines
Deal found 10/31$308
This Mytrip deal was found by Cheapflights users on 11/2. 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.
Thu 12/45:10 amACY - MIA
3 stops30h 02mSpirit Airlines
Sun 12/75:05 amMIA - ACY
2 stops15h 37mSpirit Airlines
Deal found 11/2$318
This Mytrip deal was found by Cheapflights users on 10/31. 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.
Tue 12/165:50 pmACY - MIA
3 stops30h 07mSpirit Airlines
Thu 12/188:00 amMIA - ACY
2 stops14h 19mSpirit Airlines
Deal found 10/31$322

Cheap flight deals from Atlantic City to Key Largo

Keep the following information in mind while searching for Atlantic City to Key Largo flight deals. Data was last updated November 2, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$96
(Priceline)

One-way from

$63
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$206
Provider with most accurate pricing for Philadelphia-Miami flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Miami flights.
Search Deals
From Atlantic City to Key Largo
Search Deals
One-way flight from Atlantic City to Key Largo
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Atlantic City 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 November 2, 2025.
Use the filters below to find and compare flights from Atlantic City to Key Largo that are best for you.

Fly from

Atlantic City

Fly to

Key Largo

Route

Depart

Return

Price

Atlantic CityMiami

ACY - MIA

ACYMIA

Atlantic City

Sat 1/24

9:38 am-12:18 pm

Nonstop2h 40m

Miami

Sat 1/31

1:13 pm-3:53 pm

Nonstop2h 40m

$96

Atlantic CityMiami

ACY - MIA

ACYMIA

Atlantic City

Thu 1/22

1:07 pm-11:30 am

2 stops22h 23m

Miami

Sat 1/24

1:13 pm-3:53 pm

Nonstop2h 40m

$161

Atlantic CityMiami

ACY - MIA

ACYMIA

Atlantic City

Sat 1/10

9:38 am-12:18 pm

Nonstop2h 40m

Miami

Sat 1/17

1:13 pm-3:53 pm

Nonstop2h 40m

$172

Atlantic CityMiami

ACY - MIA

ACYMIA

Atlantic City

Sun 1/11

1:07 pm-11:30 am

2 stops22h 23m

Miami

Mon 1/12

4:32 pm-7:07 pm

Nonstop2h 35m

$173

Atlantic CityMiami

ACY - MIA

ACYMIA

Atlantic City

Fri 1/9

12:52 pm-3:37 pm

Nonstop2h 45m

Miami

Sat 1/24

1:13 pm-3:53 pm

Nonstop2h 40m

$186

Atlantic CityMiami

ACY - MIA

ACYMIA

Atlantic City

Fri 1/23

12:52 pm-3:37 pm

Nonstop2h 45m

Miami

Mon 1/26

4:32 pm-7:07 pm

Nonstop2h 35m

$207

Atlantic CityMiami

ACY - MIA

ACYMIA

Atlantic City

Thu 1/8

10:24 am-11:30 am

3 stops25h 06m

Miami

Fri 1/9

4:32 pm-7:07 pm

Nonstop2h 35m

$224

Atlantic CityMiami

ACY - MIA

ACYMIA

Atlantic City

Fri 1/9

12:52 pm-3:37 pm

Nonstop2h 45m

Miami

Fri 1/16

4:32 pm-7:07 pm

Nonstop2h 35m

$227

Atlantic CityMiami

ACY - MIA

ACYMIA

Atlantic City

Thu 1/29

1:07 pm-11:30 am

2 stops22h 23m

Miami

Sun 2/1

7:12 pm-11:52 am

2 stops16h 40m

$261

Atlantic CityMiami

ACY - MIA

ACYMIA

Atlantic City

Tue 11/18

5:45 am-11:22 am

3 stops29h 37m

Miami

Thu 11/20

12:28 pm-11:51 pm

2 stops11h 23m

$266

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

Showing 1-10 of 21 results
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Best time to book a flight from Atlantic City to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from Atlantic City 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 Atlantic City to Key Largo

What is the cheapest month to book a flight from Atlantic City to Key Largo?

Currently, December is the cheapest month in which you can book a flight from Atlantic City to Key Largo (average of $26). Flying from Atlantic City to Key Largo in June is currently the most expensive (average of $75). 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 ACY to KE9?

Find hourly flight availability from Atlantic City 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 November 2, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 49% on flights from Atlantic City to Key Largo by exploring options for tickets in the evening.

What is the cheapest day to fly from Atlantic City to Key Largo?

Use this chart to determine the cheapest time to fly round-trip from Atlantic City to Key Largo. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Atlantic City to Key Largo flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday at noon 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 November 2, 2025.
See what other customers who have flown with American Airlines, Spirit Airlines, and Frontier from Atlantic City to Key Largo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,033 reviews

Crew

8.0

Food

6.4

Comfort

7.2

Entertainment

6.9

Overall

7.2

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break
American Airlines
7.2
Good
11,033 reviews
American Airlines
7.2
Good
11,033 reviews

Crew

8.0

Food

6.4

Comfort

7.2

Entertainment

6.9

Overall

7.2

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break
Spirit Airlines
6.3
Okay
8,121 reviews
American Airlines
7.2
Good
11,033 reviews

Crew

8.0

Food

6.4

Comfort

7.2

Entertainment

6.9

Overall

7.2

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break
Frontier
5.8
Fair
3,119 reviews
American Airlines
7.2
Good
11,033 reviews

Crew

8.0

Food

6.4

Comfort

7.2

Entertainment

6.9

Overall

7.2

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break

Related info for your journey

Find useful and relevant information for your journey from Atlantic City to Key Largo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Atlantic City to Key Largo?

    If you book a flight to Key Largo from Atlantic City, you will be flying from Atlantic City, which is the city’s only airport. Atlantic City (ACY) is located 10.5 mi from the center of Atlantic City. There are 0 flights from Atlantic City to Key Largo per day from 4 different airlines.

  • How popular is this Atlantic City to Key Largo flight route?

    This flight path from Atlantic City to Key Largo was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Atlantic City to Key Largo?

    For as low as $96, Spirit Airlines can have you in Key Largo from Atlantic City in 2h 40m. The distance from Atlantic City to Key Largo is about 999 mi. Most flights are nonstop.

  • What are the cheapest flights from Atlantic City to Key Largo?

    On average you can expect to pay $148 for a flight from Atlantic City to Key Largo. The cheapest flight overall is $146 while the most popular route, (Atlantic City - Miami) is currently priced at $96.

  • Can I find deals for flights from Atlantic City to Key Largo that include hotel bookings?

    Yes. In addition to deals on Atlantic City to Key Largo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Atlantic City to Key Largo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Atlantic City to Key Largo.

  • Can I find deals for business class flights from Atlantic City to Key Largo?

    Yes. Cheapflights offers flight deals from Atlantic City 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.

  • What is the cheapest month to book a flight from Atlantic City to Key Largo?

    Currently, December is the cheapest month in which you can book a flight from Atlantic City to Key Largo (average of $26). Flying from Atlantic City to Key Largo in June is currently the most expensive (average of $75). 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

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Top 4 airlines flying from Atlantic City to Key Largo

Discover the top 4 airlines that operate flights from Atlantic City 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 November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$52Average$120FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$78Average$142FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$87Average$181FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$206Average$401FlexibilityNo cancel feeOn-time71%

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