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$89+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — EYW
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
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Cheapflights Tip: The best prices from Charleston to Key West are usually found in July or September, 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 July 1, 2025.

Round-trip from

$160
(Kiwi.com)

One-way from

$89
(Kiwi.com)

Popular in

December

Cheapest in

July

Average price

$426
From Charleston to Key West
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One-way flight from Charleston to Key West
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Highest demand for flights based on searches. 8% potential increase in price ($51 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 1, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
Tue 7/159:00 pmCHS - EYW
1 stop12h 22mBreeze Airways
Fri 7/181:47 pmEYW - CHS
1 stop19h 27mBreeze Airways
Deal found 7/1$160
This Delta deal was found by Cheapflights users on 6/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/272:55 pmCHS - EYW
1 stop5h 12mDelta
Sat 10/47:00 amEYW - CHS
1 stop4h 48mDelta
Deal found 6/30$337
This American Airlines deal was found by Cheapflights users on 6/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/276:27 amCHS - EYW
1 stop4h 46mAmerican Airlines
Sat 10/411:25 amEYW - CHS
2 stops11h 32mAmerican Airlines
Deal found 6/30$342
This Mytrip deal was found by Cheapflights users on 7/1. 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 11/1310:28 amCHS - EYW
2 stops21h 43mMultiple Airlines
Sun 11/1612:32 pmEYW - CHS
3 stops23h 35mMultiple Airlines
Deal found 7/1$430

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 July 1, 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

Tue 7/15

9:00 pm-9:22 am

1 stop12h 22m

Key West

Fri 7/18

1:47 pm-9:14 am

1 stop19h 27m

$160

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Sat 9/27

2:55 pm-8:07 pm

1 stop5h 12m

Key West

Sat 10/4

7:00 am-11:48 am

1 stop4h 48m

$337

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Sat 9/27

6:27 am-11:13 am

1 stop4h 46m

Key West

Sat 10/4

11:25 am-10:57 pm

2 stops11h 32m

$342

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Tue 7/15

9:00 pm-9:22 am

1 stop12h 22m

Key West

Fri 7/18

5:26 pm-8:06 am

2 stops14h 40m

$446

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Tue 7/29

9:00 pm-9:22 am

1 stop12h 22m

$89

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Tue 7/29

11:14 am-7:21 pm

2 stops8h 07m

$174

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Mon 9/22

10:18 am-2:01 pm

3 stops27h 43m

$400

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Tue 7/29

9:13 am-9:22 am

3 stops24h 09m

$411

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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 June 27, 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, August is the cheapest month in which you can book a flight from Charleston to Key West (average of $328). Flying from Charleston to Key West in March is currently the most expensive (average of $493). 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 July 1, 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 14% on your trip compared to booking a flight at noon.

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 July 1, 2025.
Read through reviews of airlines operating flights from Charleston to Key West, such as Breeze Airways, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.1
Very good
182 reviews

Overall

8.1

Entertainment

6.6

Food

6.8

Crew

8.8

Boarding

8.4

Comfort

8.2

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Breeze Airways
8.1
Very good
182 reviews
Breeze Airways
8.1
Very good
182 reviews

Overall

8.1

Entertainment

6.6

Food

6.8

Crew

8.8

Boarding

8.4

Comfort

8.2

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Delta
8.0
Very good
7,973 reviews
Breeze Airways
8.1
Very good
182 reviews

Overall

8.1

Entertainment

6.6

Food

6.8

Crew

8.8

Boarding

8.4

Comfort

8.2

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
United Airlines
7.4
Good
8,858 reviews
Breeze Airways
8.1
Very good
182 reviews

Overall

8.1

Entertainment

6.6

Food

6.8

Crew

8.8

Boarding

8.4

Comfort

8.2

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
American Airlines
7.2
Good
10,000 reviews
Breeze Airways
8.1
Very good
182 reviews

Overall

8.1

Entertainment

6.6

Food

6.8

Crew

8.8

Boarding

8.4

Comfort

8.2

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

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.

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

    Breeze Airways, at $160, 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 69% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Charleston to Key West one-way?

    $89 is the cheapest one-way deal found within the past few days, from Breeze Airways. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $174 and $400, respectively.

  • 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, August is the cheapest month in which you can book a flight from Charleston to Key West (average of $328). Flying from Charleston to Key West in March is currently the most expensive (average of $493). 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 2 airlines flying from Charleston to Key West

Discover the top 2 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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$336Average$551FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$376Average$543FlexibilityNo cancel feeOn-time71%

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