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$136+ Cheap flights from Atlantic City to Key West (ACY - EYW)

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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
ACY — EYW
Dec 31 — Jan 71
Wed 12/31
Wed 1/7
1 adult, Economy
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Cheap flight deals from Atlantic City to Key West

Discover tips and strategies to find the most affordable flight options for your journey from Atlantic City (ACY) to Key West (EYW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 1, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$181
(Mytrip)

One-way from

$136
(Priceline)

Popular in

February

Cheapest in

January

Average price

$577
Provider with most accurate pricing for Atlantic City-Key West flight deals.
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Provider most trusted by Cheapflights users for Atlantic City-Key West flights.
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From Atlantic City to Key West
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One-way flight from Atlantic City to Key West
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Highest demand for flights based on searches. 16% potential increase in price ($105 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Find flight deals from Atlantic City to Key West

Cheapest flights from Atlantic City to Key West
Explore the most affordable flight options available from Atlantic City to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 1, 2025.

This Priceline deal was found by Cheapflights users on 11/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/145:10 amACY - EYW
1 stop6h 10mSpirit Airlines
Mon 12/222:30 pmEYW - ACY
1 stop7h 49mSpirit Airlines
Deal found 11/30$216
This Priceline deal was found by Cheapflights users on 11/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/215:10 amACY - EYW
1 stop6h 10mSpirit Airlines
Wed 12/242:30 pmEYW - ACY
1 stop7h 49mSpirit Airlines
Deal found 11/30$221
This Priceline deal was found by Cheapflights users on 11/29. 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 12/185:10 amACY - EYW
1 stop6h 10mSpirit Airlines
Mon 12/222:30 pmEYW - ACY
1 stop7h 49mSpirit Airlines
Deal found 11/29$239
This Kiwi.com deal was found by Cheapflights users on 11/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/145:10 amACY - EYW
2 stops27h 05mMultiple Airlines
Mon 12/221:10 pmEYW - ACY
1 stop8h 12mMultiple Airlines
Deal found 11/30$252
This Kiwi.com deal was found by Cheapflights users on 11/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:10 amACY - EYW
2 stops29h 55mMultiple Airlines
Fri 12/191:10 pmEYW - ACY
1 stop22h 48mMultiple Airlines
Deal found 11/30$255
This Priceline deal was found by Cheapflights users on 11/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/205:10 amACY - EYW
1 stop8h 20mSpirit Airlines
Fri 1/92:25 pmEYW - ACY
1 stop9h 28mSpirit Airlines
Deal found 11/30$276
This Kiwi.com deal was found by Cheapflights users on 11/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/115:10 amACY - EYW
1 stop6h 10mMultiple Airlines
Sun 12/213:24 pmEYW - ACY
1 stop23h 07mMultiple Airlines
Deal found 11/30$294
This Priceline deal was found by Cheapflights users on 11/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:10 amACY - EYW
1 stop6h 10mSpirit Airlines
Mon 12/292:30 pmEYW - ACY
1 stop7h 49mSpirit Airlines
Deal found 11/30$301
This Kiwi.com deal was found by Cheapflights users on 11/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/117:40 pmACY - EYW
2 stops17h 59mAllegiant Air
Sun 12/213:24 pmEYW - ACY
1 stop23h 07mAllegiant Air
Deal found 11/30$309
This Kiwi.com deal was found by Cheapflights users on 11/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:35 amACY - EYW
2 stops31h 55mMultiple Airlines
Mon 12/292:30 pmEYW - ACY
1 stop20h 27mMultiple Airlines
Deal found 11/30$311
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:10 amACY - EYW
2 stops29h 55mMultiple Airlines
Wed 12/1710:47 amEYW - ACY
1 stop9h 55mMultiple Airlines
Deal found 12/1$318

Cheapflights Fare Finder

 
Customize your flight search to find flights from Atlantic City to Key West 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 December 1, 2025.
Use the filters below to find and compare flights from Atlantic City to Key West that are best for you.

Fly from

Atlantic City

Fly to

Key West

Route

Depart

Return

Price

Atlantic CityKey West

ACY - EYW

ACYEYW

Atlantic City

Thu 2/5

6:00 am-11:56 am

1 stop5h 56m

Key West

Sun 2/8

12:51 pm-11:53 pm

1 stop11h 02m

$181

Atlantic CityKey West

ACY - EYW

ACYEYW

Atlantic City

Mon 2/2

6:00 am-1:30 pm

1 stop7h 30m

Key West

Fri 2/6

2:25 pm-11:53 pm

1 stop9h 28m

$199

Atlantic CityKey West

ACY - EYW

ACYEYW

Atlantic City

Sun 12/14

5:10 am-11:20 am

1 stop6h 10m

Key West

Mon 12/22

2:30 pm-10:19 pm

1 stop7h 49m

$216

Atlantic CityKey West

ACY - EYW

ACYEYW

Atlantic City

Fri 2/6

5:45 am-1:30 pm

1 stop7h 45m

Key West

Mon 2/9

2:25 pm-11:53 pm

1 stop9h 28m

$219

Atlantic CityKey West

ACY - EYW

ACYEYW

Atlantic City

Sun 1/25

8:20 pm-1:30 pm

1 stop17h 10m

Key West

Sat 1/31

10:49 am-9:43 am

2 stops22h 54m

$229

Atlantic CityKey West

ACY - EYW

ACYEYW

Atlantic City

Thu 1/29

6:00 am-11:56 am

1 stop5h 56m

Key West

Mon 2/2

2:25 pm-11:53 pm

1 stop9h 28m

$230

Atlantic CityKey West

ACY - EYW

ACYEYW

Atlantic City

Thu 1/29

6:00 am-11:56 am

1 stop5h 56m

Key West

Mon 2/2

3:52 pm-11:53 pm

2 stops32h 01m

$233

Atlantic CityKey West

ACY - EYW

ACYEYW

Atlantic City

Thu 12/18

5:10 am-11:20 am

1 stop6h 10m

Key West

Mon 12/22

2:30 pm-10:19 pm

1 stop7h 49m

$239

Atlantic CityKey West

ACY - EYW

ACYEYW

Atlantic City

Sun 12/14

5:10 am-8:15 am

2 stops27h 05m

Key West

Mon 12/22

1:10 pm-9:22 pm

1 stop8h 12m

$252

Atlantic CityKey West

ACY - EYW

ACYEYW

Atlantic City

Mon 12/15

5:10 am-11:05 am

2 stops29h 55m

Key West

Fri 12/19

1:10 pm-11:58 am

1 stop22h 48m

$255

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 18 results
1
2

Compare providers for flights from Atlantic City to Key West

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Atlantic City to Key West in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Atlantic City-Key West flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Atlantic City-Key West flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Atlantic City-Key West flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Atlantic City-Key West flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Atlantic City-Key West flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Atlantic City to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West 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 West

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

Currently, May is the cheapest month in which you can book a flight from Atlantic City to Key West (average of $151). Flying from Atlantic City to Key West in August is currently the most expensive (average of $306). 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.

Reviews of airlines servicing Key West

Get insights into the airlines that provide service to Key West. 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 West. Reviews last updated December 1, 2025.
Read reviews from past customers who have flown American Airlines from Atlantic City to Key West. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,039 reviews

Crew

8.0

Entertainment

6.9

Overall

7.2

Food

6.5

Comfort

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
11,039 reviews
American Airlines
7.2
Good
11,039 reviews

Crew

8.0

Entertainment

6.9

Overall

7.2

Food

6.5

Comfort

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 West. 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 Atlantic City to Key West?

    There are many flights that can get you from Atlantic City to Key West in 5h 56m. Fly via Spirit Airlines to get the fastest option. There are 1110 mi between Atlantic City and Key West.

  • What is the cheapest airline to fly from Atlantic City to Key West round-trip?

    Cheapflights users have booked flights from Atlantic City to Key West round-trip from $402. American Airlines is currently priced 26% below the average price you’ll pay for this route.

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

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

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

    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 West.

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

    Yes. Cheapflights offers flight deals from Atlantic City to Key West 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 West?

    Currently, May is the cheapest month in which you can book a flight from Atlantic City to Key West (average of $151). Flying from Atlantic City to Key West in August is currently the most expensive (average of $306). 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 airline flying from Atlantic City to Key West

Discover the top airline that operate flights from Atlantic City to Key West. 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 December 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$402Average$535FlexibilityNo cancel feeOn-time71%

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