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$161+ 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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
ACY — EYW
Mar 28 — Apr 41
Sat 3/28
Sat 4/4
1 adult, Economy
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Cheap 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 February 26, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/25. 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 3/86:36 pm
ACY
-
EYW
1 stop17h 50m
Multiple Airlines
Thu 3/129:46 am
EYW
-
ACY
1 stop9h 41m
Multiple Airlines
Deal found 2/25$223
This Priceline deal was found by Cheapflights users on 2/23. 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.
Wed 4/87:10 am
ACY
-
EYW
1 stop4h 20m
Spirit Airlines
Tue 4/1412:25 pm
EYW
-
ACY
1 stop8h 52m
Spirit Airlines
Deal found 2/23$228
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 3/2210:08 am
ACY
-
EYW
1 stop5h 43m
Allegiant Air
Sun 3/2910:33 pm
EYW
-
ACY
1 stop19h 26m
Allegiant Air
Deal found 2/23$236
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 3/252:02 pm
ACY
-
EYW
1 stop21h 28m
Multiple Airlines
Wed 4/111:51 am
EYW
-
ACY
1 stop12h 08m
Multiple Airlines
Deal found 2/23$245
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 5/74:56 pm
ACY
-
EYW
1 stop18h 15m
Multiple Airlines
Mon 5/1112:06 pm
EYW
-
ACY
1 stop10h 26m
Multiple Airlines
Deal found 2/25$256
This Priceline deal was found by Cheapflights users on 2/25. 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 4/97:10 am
ACY
-
EYW
1 stop4h 20m
Spirit Airlines
Tue 4/1412:25 pm
EYW
-
ACY
1 stop8h 52m
Spirit Airlines
Deal found 2/25$271
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 3/197:25 pm
ACY
-
EYW
1 stop18h 12m
Multiple Airlines
Mon 3/232:59 pm
EYW
-
ACY
2 stops33h 27m
Multiple Airlines
Deal found 2/24$275
This Mytrip deal was found by Cheapflights users on 2/22. 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 3/118:31 pm
ACY
-
EYW
1 stop14h 59m
Spirit Airlines
Fri 3/132:35 pm
EYW
-
ACY
1 stop9h 51m
Spirit Airlines
Deal found 2/22$278
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 3/2210:08 am
ACY
-
EYW
1 stop5h 43m
Multiple Airlines
Sun 3/294:22 pm
EYW
-
ACY
2 stops17h 30m
Multiple Airlines
Deal found 2/23$285
This Priceline deal was found by Cheapflights users on 2/23. 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.
Mon 3/27:00 am
ACY
-
EYW
1 stop6h 30m
Spirit Airlines
Thu 3/52:25 pm
EYW
-
ACY
1 stop9h 28m
Spirit Airlines
Deal found 2/23$295

Find 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 February 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$223
(Kiwi.com)

One-way from

$161
(Priceline)

Popular in

April

Cheapest in

August

Average price

$599
Provider with most accurate pricing for Atlantic City-Key West flight deals.
Search Deals
Provider most trusted by Cheapflights users for Atlantic City-Key West flights.
Search Deals
From Atlantic City to Key West
Search Deals
One-way flight from Atlantic City to Key West
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 26, 2026.
Use the filters below to find and compare flights from Atlantic City to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Atlantic CityKey West

ACY - EYW

ACYEYW

Atlantic City

Wed 4/8

7:10 am-11:30 am

1 stop4h 20m

Key West

Tue 4/14

12:25 pm-9:17 pm

1 stop8h 52m

$228

Atlantic CityKey West

ACY - EYW

ACYEYW

Atlantic City

Thu 5/7

4:56 pm-11:11 am

1 stop18h 15m

Key West

Mon 5/11

12:06 pm-10:32 pm

1 stop10h 26m

$256

Atlantic CityKey West

ACY - EYW

ACYEYW

Atlantic City

Thu 4/9

7:10 am-11:30 am

1 stop4h 20m

Key West

Tue 4/14

12:25 pm-9:17 pm

1 stop8h 52m

$271

Atlantic CityKey West

ACY - EYW

ACYEYW

Atlantic City

Wed 3/11

8:31 pm-11:30 am

1 stop14h 59m

Key West

Fri 3/13

2:35 pm-12:26 am

1 stop9h 51m

$278

Atlantic CityKey West

ACY - EYW

ACYEYW

Atlantic City

Wed 3/11

8:31 pm-3:42 pm

2 stops19h 11m

Key West

Fri 3/13

2:35 pm-12:26 am

1 stop9h 51m

$298

Atlantic CityKey West

ACY - EYW

ACYEYW

Atlantic City

Sun 3/8

8:31 pm-12:26 pm

2 stops15h 55m

Key West

Fri 3/13

2:35 pm-12:26 am

1 stop9h 51m

$318

Atlantic CityKey West

ACY - EYW

ACYEYW

Atlantic City

Wed 3/11

10:38 am-9:06 am

1 stop22h 28m

Key West

Sun 3/15

4:22 pm-11:52 am

2 stops19h 30m

$332

Atlantic CityKey West

ACY - EYW

ACYEYW

Atlantic City

Tue 8/4

7:00 am-12:34 pm

1 stop5h 34m

Key West

Tue 8/11

1:14 pm-9:27 pm

1 stop8h 13m

$335

Atlantic CityKey West

ACY - EYW

ACYEYW

Atlantic City

Fri 3/20

6:49 pm-2:42 pm

1 stop19h 53m

Key West

Mon 3/23

2:35 pm-12:26 am

1 stop9h 51m

$346

Atlantic CityKey West

ACY - EYW

ACYEYW

Atlantic City

Fri 4/10

7:10 am-1:37 pm

1 stop6h 27m

Key West

Sun 4/12

12:25 pm-9:52 am

1 stop21h 27m

$382

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/23

Showing 1-10 of 17 resultsSorted by cheapest first
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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Atlantic City-Key West flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 $134). Flying from Atlantic City to Key West in August is currently the most expensive (average of $312). 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.

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 4h 20m. Fly via Spirit Airlines to get the fastest option. There are 1110 mi between Atlantic City and Key West.

  • 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 $134). Flying from Atlantic City to Key West in August is currently the most expensive (average of $312). 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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