HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Charleston

$143+ Cheap flights from Key West to Charleston (EYW - CHS)

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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — CHS
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Key West to Charleston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Key West to Charleston

Discover tips and strategies to find the most affordable flight options for your journey from Key West (EYW) to Charleston (CHS). 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 3, 2025.

Round-trip from

$172
(Kiwi.com)

One-way from

$143
(Kiwi.com)

Popular in

February

Cheapest in

April
From Key West to Charleston
Search Deals
One-way flight from Key West to Charleston
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($120 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($57 potential savings vs. average RT price).
Search Deals

Find flight deals from Key West to Charleston

Cheapest flights from Key West to Charleston
Explore the most affordable flight options available from Key West to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/2. 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 7/181:47 pmEYW - CHS
1 stop19h 27mBreeze Airways
Tue 7/229:00 pmCHS - EYW
1 stop12h 22mBreeze Airways
Deal found 7/2$172
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Fri 7/187:51 pmEYW - CHS
1 stop4h 27mAmerican Airlines
Tue 7/226:00 amCHS - EYW
2 stops6h 55mAmerican Airlines
Deal found 7/2$412

Cheapflights Fare Finder

Customize your flight search to find flights from Key West to Charleston 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 3, 2025.
Use the filters below to find and compare flights from Key West to Charleston that are best for you.

Fly from

Key West

Fly to

Charleston

Route

Depart

Return

Price

Key WestCharleston

EYW - CHS

EYWCHS

Key West

Fri 7/18

1:47 pm-9:14 am

1 stop19h 27m

Charleston

Tue 7/22

9:00 pm-9:22 am

1 stop12h 22m

$172

Key WestCharleston

EYW - CHS

EYWCHS

Key West

Fri 7/18

7:51 pm-12:18 am

1 stop4h 27m

Charleston

Tue 7/22

6:00 am-12:55 pm

2 stops6h 55m

$412

Key WestCharleston

EYW - CHS

EYWCHS

Key West

Mon 10/13

8:47 am-8:37 am

1 stop23h 50m

$143

Key WestCharleston

EYW - CHS

EYWCHS

Key West

Mon 10/13

5:47 pm-12:05 am

2 stops6h 18m

$284

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Best time to book a flight from Key West to Charleston

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

Reviews of airlines servicing Charleston

Get insights into the airlines that provide service to Charleston. 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 Charleston. Reviews last updated July 3, 2025.
See what other customers who have flown with Breeze Airways and American Airlines from Key West to Charleston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.1
Very good
183 reviews

Comfort

8.2

Food

6.8

Overall

8.1

Crew

8.8

Entertainment

6.6

Boarding

8.3

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
183 reviews
Breeze Airways
8.1
Very good
183 reviews

Comfort

8.2

Food

6.8

Overall

8.1

Crew

8.8

Entertainment

6.6

Boarding

8.3

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
183 reviews

Comfort

8.2

Food

6.8

Overall

8.1

Crew

8.8

Entertainment

6.6

Boarding

8.3

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 Key West to Charleston. 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 Key West to Charleston round-trip?

    According to our current data, Breeze Airways ($172), and American Airlines ($412) offers the cheapest pricing from Key West to Charleston. Breeze Airways is currently priced 73% below the average price you’ll pay for this route.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Key West to Charleston (average of $217). Flying from Key West to Charleston in March is currently the most expensive (average of $335). 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

Traveling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
North Charleston
Summerville
Walterboro
Mount Pleasant
Isle of Palms
Folly Beach
Santee
Edisto Beach

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Key West to Charleston

See prices for flight routes from nearby airports that may be better suited for you.
Fort Lauderdale to Charlotte flights
Miami to Charlotte flights
Orlando to Charlotte flights
Fort Lauderdale to Charleston flights
West Palm Beach to Charlotte flights
Tampa to Charlotte flights
Fort Lauderdale to Myrtle Beach flights
Tampa to Charleston flights
Fort Myers to Charlotte flights
Jacksonville to Charlotte flights
Miami to Charleston flights
Orlando to Myrtle Beach flights
Sarasota to Charlotte flights
Tallahassee to Charlotte flights
Orlando to Charleston flights
Miami to Savannah flights
Tampa to Myrtle Beach flights
Fort Lauderdale to Greenville flights
Pensacola to Charlotte flights
Tampa to Greenville flights
West Palm Beach to Greenville flights
Pensacola to Greenville flights
Fort Lauderdale to Columbia flights
Fort Lauderdale to Savannah flights
Miami to Greenville flights
Sarasota to Myrtle Beach flights
West Palm Beach to Myrtle Beach flights
Miami to Augusta flights
Fort Myers to Savannah flights
West Palm Beach to Charleston flights
Gainesville to Charlotte flights
Fort Myers to Myrtle Beach flights
Tampa to Savannah flights
Orlando to Greenville flights
Orlando to Savannah flights
Orlando to Columbia flights
Fort Myers to Charleston flights
Daytona Beach to Charleston flights
Jacksonville to Greenville flights
West Palm Beach to Columbia flights
Pensacola to Myrtle Beach flights
Sarasota to Charleston flights
Miami to Myrtle Beach flights
Daytona Beach to Myrtle Beach flights
Tampa to Columbia flights
Sarasota to Savannah flights
Melbourne to Myrtle Beach flights
Sarasota to Greenville flights
Pensacola to Charleston flights
West Palm Beach to Savannah flights

Top airline flying from Key West to Charleston

Discover the top airline that operate flights from Key West to Charleston. 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 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$387Average$658FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.