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$73+ Cheap flights from Florida Keys to Charleston (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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — CHS
Apr 9 — Apr 161
Wed 4/9
Wed 4/16
1 adult, Economy
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Cheap flight deals from Florida Keys to Charleston

Keep the following information in mind while searching for Florida Keys to Charleston flight deals. Data was last updated April 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$165
(Mytrip)

One-way from

$73
(Cheapflightsfares)

Popular in

February

Cheapest in

July

Average price

$492
Provider with most accurate pricing for Key West-Charleston flight deals.
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Provider most trusted by Cheapflights users for Key West-Charleston flights.
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From Florida Keys to Charleston
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One-way flight from Florida Keys to Charleston
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($136 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Florida Keys to Charleston

Cheapest flights from Florida Keys to Charleston
Explore the most affordable flight options available from Florida Keys to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2025.

This Mytrip deal was found by Cheapflights users on 4/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/229:20 pmMIA - CHS
1 stop18h 36mSpirit Airlines
Tue 4/299:05 amCHS - MIA
1 stop10h 05mSpirit Airlines
Deal found 4/3$165
This Frontier deal was found by Cheapflights users on 4/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1210:11 amMIA - CHS
1 stop9h 15mFrontier
Mon 4/143:39 pmCHS - MIA
1 stop8h 56mFrontier
Deal found 4/3$200
This American Airlines deal was found by Cheapflights users on 4/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/210:00 pmMIA - CHS
Nonstop1h 41mAmerican Airlines
Mon 5/57:10 pmCHS - MIA
Nonstop1h 45mAmerican Airlines
Deal found 4/3$217
This Delta deal was found by Cheapflights users on 4/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/27:32 pmMIA - CHS
1 stop4h 26mDelta
Mon 5/58:23 pmCHS - MIA
1 stop4h 25mDelta
Deal found 4/4$237
This Southwest deal was found by Cheapflights users on 4/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/112:45 pmMIA - CHS
2 stops8h 20mSouthwest
Tue 7/151:05 pmCHS - MIA
1 stop9h 15mSouthwest
Deal found 4/4$250
This FlightHub deal was found by Cheapflights users on 4/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/612:55 pmMIA - CHS
1 stop6h 07mMultiple Airlines
Fri 4/114:51 pmCHS - MIA
1 stop17h 04mMultiple Airlines
Deal found 4/4$329
This American Airlines deal was found by Cheapflights users on 4/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/303:17 pmEYW - CHS
1 stop4h 41mAmerican Airlines
Sat 5/316:25 amCHS - EYW
1 stop9h 13mAmerican Airlines
Deal found 4/4$342
This Mytrip deal was found by Cheapflights users on 4/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/193:04 pmEYW - CHS
2 stops24h 02mMultiple Airlines
Wed 4/239:05 amCHS - EYW
3 stops31h 44mMultiple Airlines
Deal found 4/4$383
This Delta deal was found by Cheapflights users on 4/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/167:00 amEYW - CHS
1 stop6h 41mDelta
Tue 4/226:45 amCHS - EYW
1 stop4h 45mDelta
Deal found 4/3$487

Cheapflights Fare Finder

Customize your flight search to find flights from Florida Keys 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 April 4, 2025.
Use the filters below to find and compare flights from Florida Keys to Charleston that are best for you.

Fly from

Florida Keys

Fly to

Charleston

Route

Depart

Return

Price

MiamiCharleston

MIA - CHS

MIACHS

Miami

Tue 4/22

9:20 pm-3:56 pm

1 stop18h 36m

Charleston

Tue 4/29

9:05 am-7:10 pm

1 stop10h 05m

$165

MiamiCharleston

MIA - CHS

MIACHS

Miami

Fri 5/2

10:00 pm-11:41 pm

Nonstop1h 41m

Charleston

Mon 5/5

7:10 pm-8:55 pm

Nonstop1h 45m

$217

MiamiCharleston

MIA - CHS

MIACHS

Miami

Fri 5/2

7:32 pm-11:58 pm

1 stop4h 26m

Charleston

Mon 5/5

8:23 pm-12:48 am

1 stop4h 25m

$237

MiamiCharleston

MIA - CHS

MIACHS

Miami

Tue 7/1

12:45 pm-9:05 pm

2 stops8h 20m

Charleston

Tue 7/15

1:05 pm-10:20 pm

1 stop9h 15m

$250

MiamiCharleston

MIA - CHS

MIACHS

Miami

Thu 5/1

8:59 pm-10:49 am

1 stop13h 50m

Charleston

Thu 5/8

6:00 am-7:58 pm

1 stop13h 58m

$341

Key WestCharleston

EYW - CHS

EYWCHS

Key West

Fri 5/30

3:17 pm-7:58 pm

1 stop4h 41m

Charleston

Sat 5/31

6:25 am-3:38 pm

1 stop9h 13m

$342

Key WestCharleston

EYW - CHS

EYWCHS

Key West

Sat 4/19

3:04 pm-3:06 pm

2 stops24h 02m

Charleston

Wed 4/23

9:05 am-4:49 pm

3 stops31h 44m

$383

Key WestCharleston

EYW - CHS

EYWCHS

Key West

Wed 4/16

7:00 am-1:41 pm

1 stop6h 41m

Charleston

Tue 4/22

6:45 am-11:30 am

1 stop4h 45m

$487

MiamiCharleston

MIA - CHS

MIACHS

Miami

Mon 6/9

1:21 pm-3:10 pm

1 stop25h 49m

Charleston

Wed 6/11

5:50 am-4:11 pm

2 stops10h 21m

$511

MiamiCharleston

MIA - CHS

MIACHS

Miami

Mon 9/29

6:07 pm-5:55 pm

1 stop23h 48m

Charleston

Fri 10/3

6:55 pm-4:55 pm

1 stop22h 00m

$634

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/3

Showing 1-10 of 21 results
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2
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Best time to book a flight from Florida Keys to Charleston

Have a flexible travel schedule? Discover the best time to fly to Charleston from Florida Keys 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 Florida Keys to Charleston

What is the cheapest month to book a flight from Florida Keys to Charleston?

Currently, August is the cheapest month in which you can book a flight from Florida Keys to Charleston (average of $217). Flying from Florida Keys 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.

What is the cheapest time of day to fly from EOA to CHS?

Find hourly flight availability from Florida Keys to Charleston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 4, 2025.

When flying from Florida Keys to Charleston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Charleston by month

Plan your trip to Charleston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Charleston ranges from 2.4 - 7.2 inches per month. August is typically the wettest month, when rainfall can reach 7.2 in. November is typically the driest time to visit Charleston when rainfall is around 2.4 in.

Temperature in Charleston by month

Plan your trip to Charleston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Charleston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 April 4, 2025.
Read through reviews of airlines operating flights from Florida Keys to Charleston, such as Alaska Airlines, Southwest and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,839 reviews

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,839 reviews
Alaska Airlines
8.0
Very good
9,839 reviews

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,276 reviews
Alaska Airlines
8.0
Very good
9,839 reviews

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,900 reviews
Alaska Airlines
8.0
Very good
9,839 reviews

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,618 reviews
Alaska Airlines
8.0
Very good
9,839 reviews

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
JetBlue
7.3
Good
2,920 reviews
Alaska Airlines
8.0
Very good
9,839 reviews

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Florida Keys to Charleston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Charleston from Florida Keys?

    If you book a flight to Charleston from Florida Keys, you will be flying to Charleston, which is the city’s only airport. Charleston (CHS) is located 10.2 mi from the center of Charleston.

  • What are the cheapest airlines to fly from Florida Keys to Charleston one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $73. However, be on the lookout for offers from Frontier and American Airlines, as they are both options that can get you from Florida Keys to Charleston for a low price.

  • Can I find deals for flights from Florida Keys to Charleston that include hotel bookings?

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

  • How can I find direct flights from Florida Keys to Charleston?

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

  • Can I find deals for business class flights from Florida Keys to Charleston?

    Yes. Cheapflights offers flight deals from Florida Keys 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 Florida Keys to Charleston?

    Currently, August is the cheapest month in which you can book a flight from Florida Keys to Charleston (average of $217). Flying from Florida Keys 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 Florida Keys?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Florida Keys to Charleston

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Florida Keys to Charleston

Discover the top airline that operate flights from Florida Keys 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 April 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$498Average$658FlexibilityNo cancel feeOn-time71%

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