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$80+ 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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — EYW
Feb 3 — Feb 101
Tue 2/3
Tue 2/10
1 adult, Economy
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Cheap 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 January 4, 2026.

This Breeze Airways deal was found by Cheapflights users on 1/3. 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 2/58:59 pmCHS - EYW
1 stop12h 10mBreeze Airways
Mon 2/91:06 pmEYW - CHS
1 stop19h 32mBreeze Airways
Deal found 1/3$150
This Breeze Airways deal was found by Cheapflights users on 1/3. 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.
Sun 1/253:01 pmCHS - EYW
1 stop21h 25mBreeze Airways
Thu 1/2910:06 amEYW - CHS
1 stop22h 37mBreeze Airways
Deal found 1/3$166
This Kiwi.com deal was found by Cheapflights users on 1/4. 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 2/13:01 pmCHS - EYW
1 stop21h 25mBreeze Airways
Mon 2/91:06 pmEYW - CHS
1 stop19h 32mBreeze Airways
Deal found 1/4$167
This Breeze Airways deal was found by Cheapflights users on 1/3. 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 2/58:59 pmCHS - EYW
1 stop12h 10mBreeze Airways
Sun 2/89:46 amEYW - CHS
1 stop22h 57mBreeze Airways
Deal found 1/3$175
This Kiwi.com deal was found by Cheapflights users on 1/4. 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 2/228:59 pmCHS - EYW
1 stop12h 10mBreeze Airways
Fri 2/279:49 amEYW - CHS
1 stop3h 33mBreeze Airways
Deal found 1/4$182
This Kiwi.com deal was found by Cheapflights users on 1/4. 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 2/68:28 pmCHS - EYW
1 stop13h 41mBreeze Airways
Mon 2/91:06 pmEYW - CHS
1 stop19h 32mBreeze Airways
Deal found 1/4$184
This Kiwi.com deal was found by Cheapflights users on 1/4. 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 2/13:01 pmCHS - EYW
1 stop21h 25mBreeze Airways
Sun 2/89:46 amEYW - CHS
1 stop22h 57mBreeze Airways
Deal found 1/4$189
This Kiwi.com deal was found by Cheapflights users on 1/4. 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 2/13:01 pmCHS - EYW
1 stop21h 25mBreeze Airways
Thu 2/129:46 amEYW - CHS
1 stop22h 57mBreeze Airways
Deal found 1/4$194
This Kiwi.com deal was found by Cheapflights users on 1/4. 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 2/13:01 pmCHS - EYW
1 stop21h 25mBreeze Airways
Fri 2/69:49 amEYW - CHS
1 stop3h 33mBreeze Airways
Deal found 1/4$203
This Breeze Airways deal was found by Cheapflights users on 1/3. 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.
Mon 3/168:28 pmCHS - EYW
1 stop15h 53mBreeze Airways
Mon 3/239:49 amEYW - CHS
1 stop12h 04mBreeze Airways
Deal found 1/3$220

Find 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 January 4, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$150
(Breeze Airways)

One-way from

$80
(Breeze Airways)

Popular in

March

Cheapest in

September

Average price

$453
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. 17% potential increase in price ($97 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 4, 2026.
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

Thu 2/5

8:59 pm-9:09 am

1 stop12h 10m

Key West

Mon 2/9

1:06 pm-8:38 am

1 stop19h 32m

$150

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Sun 1/25

3:01 pm-12:26 pm

1 stop21h 25m

Key West

Thu 1/29

10:06 am-8:43 am

1 stop22h 37m

$166

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Thu 2/5

8:59 pm-9:09 am

1 stop12h 10m

Key West

Sun 2/8

9:46 am-8:43 am

1 stop22h 57m

$175

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Sun 2/22

8:59 pm-9:09 am

1 stop12h 10m

Key West

Fri 2/27

9:49 am-1:22 pm

1 stop3h 33m

$183

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Mon 3/16

8:28 pm-12:21 pm

1 stop15h 53m

Key West

Mon 3/23

9:49 am-9:53 pm

1 stop12h 04m

$220

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Sat 3/7

5:16 pm-2:42 pm

1 stop21h 26m

Key West

Fri 3/13

9:49 am-9:53 pm

1 stop12h 04m

$228

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Thu 3/5

3:01 pm-12:26 pm

1 stop21h 25m

Key West

Sun 3/8

9:46 am-8:43 am

1 stop22h 57m

$248

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Thu 2/5

5:05 pm-12:26 pm

2 stops19h 21m

Key West

Sun 2/8

12:51 pm-5:39 pm

1 stop4h 48m

$252

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Sat 3/7

11:27 am-8:06 am

2 stops20h 39m

Key West

Fri 3/13

9:49 am-9:53 pm

1 stop12h 04m

$293

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Thu 1/8

6:15 am-10:24 am

2 stops28h 09m

Key West

Mon 1/12

1:06 pm-8:38 am

1 stop19h 32m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/3

Showing 1-10 of 16 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 January.
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 January 2, 2026.

The best time to book flights from Charleston to Key West is 45 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 $259). 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 January 4, 2026.
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
8.2
Very good
255 reviews

Boarding

8.3

Comfort

8.2

Overall

8.2

Entertainment

6.7

Crew

8.8

Food

6.7

Reviews

1 / 16
10.0
Excellent

Anonymous,Dec 2025

RSW - ISP

There was no food offered so I had to just put okay. Other than that all was great.
Breeze Airways
8.2
Very good
255 reviews
Breeze Airways
8.2
Very good
255 reviews

Boarding

8.3

Comfort

8.2

Overall

8.2

Entertainment

6.7

Crew

8.8

Food

6.7

Reviews

1 / 16
10.0
Excellent

Anonymous,Dec 2025

RSW - ISP

There was no food offered so I had to just put okay. Other than that all was great.
Delta
7.9
Good
8,017 reviews
Breeze Airways
8.2
Very good
255 reviews

Boarding

8.3

Comfort

8.2

Overall

8.2

Entertainment

6.7

Crew

8.8

Food

6.7

Reviews

1 / 16
10.0
Excellent

Anonymous,Dec 2025

RSW - ISP

There was no food offered so I had to just put okay. Other than that all was great.
American Airlines
7.2
Good
11,078 reviews
Breeze Airways
8.2
Very good
255 reviews

Boarding

8.3

Comfort

8.2

Overall

8.2

Entertainment

6.7

Crew

8.8

Food

6.7

Reviews

1 / 16
10.0
Excellent

Anonymous,Dec 2025

RSW - ISP

There was no food offered so I had to just put okay. Other than that all was great.

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 can get you from Charleston to Key West in just under 12h 10m. Your travel time can differ by up to . Airlines will cover a distance of 585 mi.

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

    Breeze Airways, at $95, 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 79% 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 $259). 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 January 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$110Average$220FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$286Average$503FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$326Average$500FlexibilityNo cancel feeOn-time71%

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