What airlines fly to Key West?

American Airlines, Delta and Breeze Airways are the top three most popular airlines that fly to Key West from Charleston according to our data. American Airlines is the first choice among our users, with 71% of people opting to fly with this airline when traveling to Key West. Keep in mind that there are 3 different airlines that fly to Key West on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Charleston to Key West?

Breeze Airways and Spirit Airlines are the most popular carriers operating from Charleston to Key West

When did momondo last update prices for flights from Charleston Airport to Key West Airport?

Prices for flights from Charleston Airport to Key West Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Charleston Airport to Key West Airport?

There are 3 operators available for flights from Charleston Airport to Key West Airport as of December 2025.

How old do you have to be to fly from Charleston Airport to Key West Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Charleston Airport to Key West Airport.

What documentation or ID do you need to fly to Key West Airport?

The necessary travel and health documents for your Key West Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$95 Cheap Flights from Charleston to Key West in 2025/26

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Find the cheapest flights from Charleston to Key West

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Cheap round-trip flights

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8:59 pm - 9:09 am

CHS

EYW

12h 10m1 stop

9:46 am - 8:43 am

EYW

CHS

22h 57m1 stop

$167Breeze Airways

Thu, Feb 5 - Sun, Feb 8

8:59 pm - 9:09 am

CHS

EYW

12h 10m1 stop

10:06 am - 8:43 am

EYW

CHS

22h 37m1 stop

$169Breeze Airways

Thu, Jan 22 - Thu, Jan 29

8:59 pm - 9:09 am

CHS

EYW

12h 10m1 stop

9:46 am - 8:43 am

EYW

CHS

22h 57m1 stop

$175Breeze Airways

Thu, Feb 5 - Sun, Feb 8

8:59 pm - 9:09 am

CHS

EYW

12h 10m1 stop

1:06 pm - 8:38 am

EYW

CHS

19h 32m1 stop

$185Breeze Airways

Thu, Jan 29 - Mon, Feb 2

3:01 pm - 12:26 pm

CHS

EYW

21h 25m1 stop

10:06 am - 8:43 am

EYW

CHS

22h 37m1 stop

$192Breeze Airways

Sun, Jan 18 - Thu, Jan 22

8:59 pm - 9:09 am

CHS

EYW

12h 10m1 stop

9:49 am - 9:53 pm

EYW

CHS

12h 04m1 stop

$198Breeze Airways

Sun, Feb 22 - Fri, Feb 27

9:09 pm - 10:19 am

CHS

EYW

13h 10m1 stop

8:55 am - 8:57 am

EYW

CHS

24h 02m1 stop

$202Breeze Airways

Wed, Dec 24 - Sun, Dec 28

8:59 pm - 9:09 am

CHS

EYW

12h 10m1 stop

9:49 am - 9:53 pm

EYW

CHS

12h 04m1 stop

$208Breeze Airways

Sun, Feb 22 - Fri, Feb 27

6:35 pm - 11:56 am

CHS

EYW

17h 21m1 stop

10:49 am - 5:36 pm

EYW

CHS

30h 47m2 stops

$227Multiple Airlines

Sat, Jan 31 - Wed, Feb 4

3:01 pm - 12:26 pm

CHS

EYW

21h 25m1 stop

10:27 pm - 5:36 pm

EYW

CHS

19h 09m2 stops

$231Multiple Airlines

Sun, Jan 18 - Thu, Jan 22

Breeze Airways flights from Charleston to Key West

Our best Breeze Airways deals on Charleston to Key West flight tickets

Breeze Airways

Feb 5

CHS8:59 pmCharleston

12h 10m

1 stop

EYW9:09 amKey West

Feb 8

EYW9:46 amKey West

22h 57m

1 stop

CHS8:43 amCharleston

$167

Find similar

Breeze Airways

Jan 22

CHS8:59 pmCharleston

12h 10m

1 stop

EYW9:09 amKey West

Jan 29

EYW10:06 amKey West

22h 37m

1 stop

CHS8:43 amCharleston

$169

Find similar

Breeze Airways

Feb 5

CHS8:59 pmCharleston

12h 10m

1 stop

EYW9:09 amKey West

Feb 8

EYW9:46 amKey West

22h 57m

1 stop

CHS8:43 amCharleston

$175

Find similar

American Airlines flights from Charleston to Key West

Our best American Airlines deals on Charleston to Key West flight tickets

American Airlines

Jan 17

CHS2:06 pmCharleston

9h 50m

2 stops

EYW11:56 pmKey West

Jan 20

EYW7:45 pmKey West

4h 13m

1 stop

CHS11:58 pmCharleston

$302

Find similar

American Airlines

Jan 7

CHS6:10 amCharleston

6h 53m

2 stops

EYW1:03 pmKey West

Jan 14

EYW4:37 pmKey West

6h 30m

2 stops

CHS11:07 pmCharleston

$307

Find similar

American Airlines

Feb 14

CHS4:30 pmCharleston

6h 24m

2 stops

EYW10:54 pmKey West

Feb 18

EYW4:02 pmKey West

6h 59m

2 stops

CHS11:01 pmCharleston

$338

Find similar

Fly from

Fly to

Route

Depart

Return

Price

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

$167

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Thu 1/22

8:59 pm-9:09 am

1 stop12h 10m

Key West

Thu 1/29

10:06 am-8:43 am

1 stop22h 37m

$169

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

Thu 1/29

8:59 pm-9:09 am

1 stop12h 10m

Key West

Mon 2/2

1:06 pm-8:38 am

1 stop19h 32m

$185

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Sun 1/18

3:01 pm-12:26 pm

1 stop21h 25m

Key West

Thu 1/22

10:06 am-8:43 am

1 stop22h 37m

$192

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-9:53 pm

1 stop12h 04m

$198

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Wed 12/24

9:09 pm-10:19 am

1 stop13h 10m

Key West

Sun 12/28

8:55 am-8:57 am

1 stop24h 02m

$202

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-9:53 pm

1 stop12h 04m

$208

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Sat 1/31

6:35 pm-11:56 am

1 stop17h 21m

Key West

Wed 2/4

10:49 am-5:36 pm

2 stops30h 47m

$227

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Sun 1/18

3:01 pm-12:26 pm

1 stop21h 25m

Key West

Thu 1/22

10:27 pm-5:36 pm

2 stops19h 09m

$231

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Charleston to Key West

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Key West?

In general, September is the cheapest month to fly from Charleston to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $336. If you are unable to visit Key West during the month of September, then departing from Charleston during the month August is also very affordable. Most momondo users find prices during this month for around $356.

What is the cheapest day to depart on your flight to Key West?

On average, the least expensive day to fly to Key West from Charleston is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $496. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Charleston to Key West for around $646.

What is the cheapest time of day to depart on your flight to Key West?

According to our data, the cheapest time of day to fly to Key West is in the afternoon. momondo users have found flights departing from Charleston to Key West in the afternoon for as low as $534. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Key West are more costly at noon, with an average ticket price of $617. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Key West?

You are more likely to see cheaper flights to Key West from Charleston when booking weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $480 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from Charleston for as low as $338 on momondo.

When to book flights from Charleston to Key West

Are you open to changing your travel dates? Check out the ideal times to fly from Charleston to Key West according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Charleston to Key West (CHS to EYW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Charleston to Key West

Fastest flight time	5h 28m
Direct flights	None

The fastest flight from Charleston to Key West takes 5h 28m

There are no direct flights from Charleston to Key West. There are no popular flight routes from Charleston to Key West.

Search flight deals

How far is Charleston to Key West by plane?
There are 578.8 mi between Charleston and Key West. 5h 28m is a normal flight duration for this route.
When did momondo last update prices for flights from Charleston Airport to Key West Airport?
Prices for flights from Charleston Airport to Key West Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Charleston Airport to Key West Airport?
There are 3 operators available for flights from Charleston Airport to Key West Airport as of December 2025.
How old do you have to be to fly from Charleston Airport to Key West Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Charleston Airport to Key West Airport.
What documentation or ID do you need to fly to Key West Airport?
The necessary travel and health documents for your Key West Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Charleston to Key West?
momondo data reveals that the most frequently booked airline on the route from Charleston to Key West is American Airlines, representing 65% of all bookings. The subsequent popular airlines are Delta at 30% and Breeze Airways at 5%.

Best airlines flying from Charleston to Key West

Compare and see reviews for airlines that fly from Charleston to Key West with momondo

Airline	Rating	Free Cancellation	Price
Breeze Airways	PriceFrom $110	Free Cancellation	Rating 8.2 244 reviews	Search Breeze Airways flights
Delta	PriceFrom $286	Free Cancellation	Rating 7.9 8,009 reviews	Search Delta flights
American Airlines	PriceFrom $326	Free Cancellation	Rating 7.2 11,048 reviews	Search American Airlines flights

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Why use momondo?

Why should I use momondo to find a flight deal from Charleston to Key West?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Charleston to Key West. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Charleston to Key West with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Key West from Charleston with this policy.

How can momondo help me find flights from Charleston to Key West?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Key West from Charleston.

I’m not ready to book a flight from Charleston to Key West right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Charleston to Key West flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.