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$76+ Cheap flights from Charleston to Key West (CHS - 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — EYW
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Cheapflights Tip: The best prices from Charleston to Key West are usually found in September or August, booked 89 days in advance, depart on a Wednesday or Friday and return on a Tuesday

Cheap flight deals from Charleston to Key West

Discover tips and strategies to find the most affordable flight options for your journey from Charleston (CHS) 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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$171
(Kiwi.com)

One-way from

$76
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$458
Provider with most accurate pricing for Charleston-Key West flight deals.
Search Deals
Provider most trusted by Cheapflights users for Charleston-Key West flights.
Search Deals
From Charleston to Key West
Search Deals
One-way flight from Charleston to Key West
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Charleston to Key West

Cheapest flights from Charleston to Key West
Explore the most affordable flight options available from Charleston to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/12. 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 12/142:59 pmCHS - EYW
1 stop17h 16mBreeze Airways
Thu 12/188:55 amEYW - CHS
1 stop24h 02mBreeze Airways
Deal found 11/12$173
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Fri 12/129:23 pmCHS - EYW
1 stop12h 44mMultiple Airlines
Sun 12/1412:20 pmEYW - CHS
1 stop8h 34mMultiple Airlines
Deal found 11/11$190
This Breeze Airways deal was found by Cheapflights users on 11/12. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/188:53 pmCHS - EYW
1 stop12h 24mBreeze Airways
Sun 12/218:55 amEYW - CHS
1 stop24h 02mBreeze Airways
Deal found 11/12$206
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Fri 11/149:23 pmCHS - EYW
1 stop12h 44mBreeze Airways
Mon 11/178:55 amEYW - CHS
1 stop23h 42mBreeze Airways
Deal found 11/11$222
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Tue 12/26:50 amCHS - EYW
2 stops27h 17mMultiple Airlines
Sat 12/610:47 amEYW - CHS
1 stop3h 42mMultiple Airlines
Deal found 11/11$225
This Breeze Airways deal was found by Cheapflights users on 11/11. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/202:59 pmCHS - EYW
1 stop17h 16mBreeze Airways
Mon 11/248:55 amEYW - CHS
1 stop23h 42mBreeze Airways
Deal found 11/11$232
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Mon 12/19:23 pmCHS - EYW
1 stop13h 42mBreeze Airways
Sat 12/610:47 amEYW - CHS
1 stop3h 42mBreeze Airways
Deal found 11/11$235
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Thu 12/119:38 pmCHS - EYW
2 stops36h 29mBreeze Airways
Thu 12/188:55 amEYW - CHS
1 stop24h 02mBreeze Airways
Deal found 11/11$243
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Tue 12/26:50 amCHS - EYW
2 stops27h 17mMultiple Airlines
Sun 12/712:20 pmEYW - CHS
1 stop8h 34mMultiple Airlines
Deal found 11/11$248
This Breeze Airways deal was found by Cheapflights users on 11/12. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/199:23 pmCHS - EYW
1 stop9h 44mBreeze Airways
Tue 12/2310:59 amEYW - CHS
1 stop3h 44mBreeze Airways
Deal found 11/12$257
This Breeze Airways deal was found by Cheapflights users on 11/11. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/158:10 pmCHS - EYW
1 stop14h 09mBreeze Airways
Mon 11/178:55 amEYW - CHS
1 stop23h 42mBreeze Airways
Deal found 11/11$260

Cheapflights Fare Finder

 
Customize your flight search to find flights from Charleston 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 November 13, 2025.
Use the filters below to find and compare flights from Charleston to Key West that are best for you.

Fly from

Charleston

Fly to

Key West

Route

Depart

Return

Price

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Sun 12/14

2:59 pm-8:15 am

1 stop17h 16m

Key West

Thu 12/18

8:55 am-8:57 am

1 stop24h 02m

$173

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Thu 12/18

8:53 pm-9:17 am

1 stop12h 24m

Key West

Sun 12/21

8:55 am-8:57 am

1 stop24h 02m

$206

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Mon 1/5

10:18 pm-11:20 am

1 stop13h 02m

Key West

Fri 1/9

2:25 pm-5:36 pm

1 stop27h 11m

$210

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Thu 2/19

6:28 pm-1:30 pm

1 stop19h 02m

Key West

Mon 2/23

1:06 pm-8:38 am

1 stop19h 32m

$247

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Fri 12/19

9:23 pm-7:07 am

1 stop9h 44m

Key West

Tue 12/23

10:59 am-2:43 pm

1 stop3h 44m

$257

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Wed 2/25

5:18 pm-11:17 am

2 stops17h 59m

Key West

Sun 3/1

12:15 pm-5:30 pm

1 stop5h 15m

$258

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Sun 11/23

8:53 pm-9:17 am

1 stop12h 24m

Key West

Thu 11/27

8:55 am-8:57 am

1 stop24h 02m

$264

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Wed 12/3

8:31 am-11:20 am

2 stops26h 49m

Key West

Sun 12/7

12:20 pm-8:54 pm

1 stop8h 34m

$265

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Sun 12/14

2:59 pm-8:15 am

1 stop17h 16m

Key West

Thu 12/18

10:32 pm-10:28 pm

2 stops23h 56m

$268

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Thu 12/11

9:49 pm-1:39 pm

2 stops15h 50m

Key West

Thu 12/18

9:59 am-9:23 pm

2 stops11h 24m

$270

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 17 results
1
2

Compare providers for flights from Charleston 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 Charleston to Key West in November.
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 Charleston-Key West flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Charleston-Key West flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Charleston-Key West flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Charleston-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 Charleston-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 Charleston to Key West

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

How far ahead should I book a flight from Charleston to Key West?

Use this chart to determine the optimal time to book a round-trip flight from Charleston to Key West. Price data was last updated on November 7, 2025.

The best time to book flights from Charleston to Key West is 89 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from Charleston to Key West (average of $64). Flying from Charleston to Key West in April is currently the most expensive (average of $369). 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 CHS to EYW?

Find hourly flight availability from Charleston to Key West. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 13, 2025.

A simple way to save on the total cost of your ticket is to fly from Charleston to Key West in the afternoon. If you’re flexible enough to do this you can expect to save up to 24% on your trip compared to booking a flight in the evening.

How much does it cost to fly round-trip from Charleston to Key West?

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 November 13, 2025.
Read through reviews of airlines operating flights from Charleston to Key West, such as Breeze Airways, Delta, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.1
Very good
230 reviews

Crew

8.7

Comfort

8.2

Entertainment

6.6

Food

6.7

Overall

8.1

Boarding

8.3

Reviews

1 / 13
8.0
Excellent

Anonymous,Jul 2025

RIC - BDL

All went smoothly but the announcements from the crew were way to fast--approaching inaudible. Pilot announcements were perfect!
Breeze Airways
8.1
Very good
230 reviews
Breeze Airways
8.1
Very good
230 reviews

Crew

8.7

Comfort

8.2

Entertainment

6.6

Food

6.7

Overall

8.1

Boarding

8.3

Reviews

1 / 13
8.0
Excellent

Anonymous,Jul 2025

RIC - BDL

All went smoothly but the announcements from the crew were way to fast--approaching inaudible. Pilot announcements were perfect!
Delta
7.9
Good
8,007 reviews
Breeze Airways
8.1
Very good
230 reviews

Crew

8.7

Comfort

8.2

Entertainment

6.6

Food

6.7

Overall

8.1

Boarding

8.3

Reviews

1 / 13
8.0
Excellent

Anonymous,Jul 2025

RIC - BDL

All went smoothly but the announcements from the crew were way to fast--approaching inaudible. Pilot announcements were perfect!
American Airlines
7.2
Good
11,050 reviews
Breeze Airways
8.1
Very good
230 reviews

Crew

8.7

Comfort

8.2

Entertainment

6.6

Food

6.7

Overall

8.1

Boarding

8.3

Reviews

1 / 13
8.0
Excellent

Anonymous,Jul 2025

RIC - BDL

All went smoothly but the announcements from the crew were way to fast--approaching inaudible. Pilot announcements were perfect!

Related info for your journey

Find useful and relevant information for your journey from Charleston 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 Charleston to Key West?

    Breeze Airways and Spirit Airlines can get you from Charleston to Key West in just under 13h 02m. Your travel time can differ by up to 4h 14m. Airlines will cover a distance of 585 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Charleston to Key West round-trip?

    Breeze Airways, at $110, was found to be the cheapest airline from Charleston to Key West.Alternate airlines to your destination round-trip include Delta and American Airlines. Breeze Airways is currently priced 77% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Charleston 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 Charleston to Key West?

    Currently, February is the cheapest month in which you can book a flight from Charleston to Key West (average of $64). Flying from Charleston to Key West in April is currently the most expensive (average of $369). 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 3 airlines flying from Charleston to Key West

Discover the top 3 airlines that operate flights from Charleston 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$110Average$220FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$286Average$515FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$336Average$531FlexibilityNo cancel feeOn-time71%

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