Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Charleston to Key West from $93

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Charleston to Key West departing on 8/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Charleston to Key West

Cheap round-trip flights

Breeze Airways Logo
9:31 pm - 9:22 amCHS-EYW
11h 51m1 stop
Breeze Airways Logo
10:02 am - 9:14 amEYW-CHS
23h 12m1 stop
$144Breeze Airways
Find Deal
Mon, Aug 11 - Tue, Aug 19
Breeze Airways Logo
9:00 pm - 9:22 amCHS-EYW
12h 22m1 stop
Breeze Airways Logo
1:47 pm - 9:14 amEYW-CHS
19h 27m1 stop
$150Breeze Airways
Find Deal
Tue, Aug 12 - Fri, Aug 15
Breeze Airways Logo
9:31 pm - 9:22 amCHS-EYW
11h 51m1 stop
Breeze Airways Logo
1:47 pm - 2:32 pmEYW-CHS
24h 45m1 stop
$156Breeze Airways
Find Deal
Mon, Aug 11 - Thu, Aug 14
Breeze Airways Logo
9:00 pm - 9:22 amCHS-EYW
12h 22m1 stop
Breeze Airways Logo
9:47 am - 3:24 pmEYW-CHS
5h 37m1 stop
$157Breeze Airways
Find Deal
Tue, Aug 26 - Wed, Sep 3
American Airlines Logo
10:56 am - 5:23 pmCHS-EYW
6h 27m1 stop
American Airlines Logo
7:40 pm - 11:59 pmEYW-CHS
4h 19m1 stop
$286American Airlines
Find Deal
Sat, Aug 23 - Sat, Aug 30
American Airlines Logo
6:27 am - 11:13 amCHS-EYW
4h 46m1 stop
American Airlines Logo
7:31 pm - 11:37 pmEYW-CHS
4h 06m1 stop
$287American Airlines
Find Deal
Sat, Sep 27 - Sat, Oct 4
Logo
8:04 pm - 3:46 pmCHS-EYW
19h 42m2 stops
Logo
12:29 pm - 8:15 amEYW-CHS
19h 46m3 stops
$310
Find Deal
Sat, Aug 30 - Thu, Sep 4
Delta Logo
4:14 pm - 8:06 pmCHS-EYW
3h 52m1 stop
Delta Logo
7:40 am - 11:46 amEYW-CHS
4h 06m1 stop
$313Delta
Find Deal
Wed, Oct 8 - Wed, Oct 15
Delta Logo
2:55 pm - 8:12 pmCHS-EYW
5h 17m1 stop
Delta Logo
7:00 am - 1:50 pmEYW-CHS
6h 50m1 stop
$327Delta
Find Deal
Thu, Sep 4 - Tue, Sep 9
Logo
9:38 pm - 9:16 amCHS-EYW
11h 38m1 stop
Logo
8:45 pm - 7:46 pmEYW-CHS
23h 01m3 stops
$346
Find Deal
Thu, Oct 16 - Fri, Oct 24

Breeze Airways flights from Charleston to Key West

Our best Breeze Airways deals on Charleston to Key West flight tickets
Breeze Airways
Aug 11
CHS9:31 pmCharleston
11h 51m
1 stop
EYW9:22 amKey West
Aug 19
EYW10:02 amKey West
23h 12m
1 stop
CHS9:14 amCharleston
$144
Find similar
Breeze Airways
Aug 12
CHS9:00 pmCharleston
12h 22m
1 stop
EYW9:22 amKey West
Aug 15
EYW1:47 pmKey West
19h 27m
1 stop
CHS9:14 amCharleston
$150
Find similar
Breeze Airways
Aug 11
CHS9:31 pmCharleston
11h 51m
1 stop
EYW9:22 amKey West
Aug 14
EYW1:47 pmKey West
24h 45m
1 stop
CHS2:32 pmCharleston
$156
Find similar

American Airlines flights from Charleston to Key West

Our best American Airlines deals on Charleston to Key West flight tickets
American Airlines
Aug 23
CHS10:56 amCharleston
6h 27m
1 stop
EYW5:23 pmKey West
Aug 30
EYW7:40 pmKey West
4h 19m
1 stop
CHS11:59 pmCharleston
$286
Find similar
American Airlines
Sep 27
CHS6:27 amCharleston
4h 46m
1 stop
EYW11:13 amKey West
Oct 4
EYW7:31 pmKey West
4h 06m
1 stop
CHS11:37 pmCharleston
$287
Find similar
American Airlines
Aug 23
CHS9:01 amCharleston
8h 22m
2 stops
EYW5:23 pmKey West
Aug 30
EYW5:56 pmKey West
6h 03m
1 stop
CHS11:59 pmCharleston
$291
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated July 30, 2025.
Use the filters below to find and compare flights from Charleston to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Mon 8/11

9:31 pm-9:22 am

1 stop11h 51m

Key West

Tue 8/19

10:02 am-9:14 am

1 stop23h 12m

$144

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Tue 8/12

9:00 pm-9:22 am

1 stop12h 22m

Key West

Fri 8/15

1:47 pm-9:14 am

1 stop19h 27m

$150

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Mon 8/11

9:31 pm-9:22 am

1 stop11h 51m

Key West

Thu 8/14

1:47 pm-2:32 pm

1 stop24h 45m

$156

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Tue 8/26

9:00 pm-9:22 am

1 stop12h 22m

Key West

Wed 9/3

9:47 am-3:24 pm

1 stop5h 37m

$157

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Sat 8/23

10:56 am-5:23 pm

1 stop6h 27m

Key West

Sat 8/30

7:40 pm-11:59 pm

1 stop4h 19m

$286

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Sat 9/27

6:27 am-11:13 am

1 stop4h 46m

Key West

Sat 10/4

7:31 pm-11:37 pm

1 stop4h 06m

$287

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Sat 8/30

8:04 pm-3:46 pm

2 stops19h 42m

Key West

Thu 9/4

12:29 pm-8:15 am

3 stops19h 46m

$310

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Wed 10/8

4:14 pm-8:06 pm

1 stop3h 52m

Key West

Wed 10/15

7:40 am-11:46 am

1 stop4h 06m

$313

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Thu 9/4

2:55 pm-8:12 pm

1 stop5h 17m

Key West

Tue 9/9

7:00 am-1:50 pm

1 stop6h 50m

$327

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Thu 10/16

9:38 pm-9:16 am

1 stop11h 38m

Key West

Fri 10/24

8:45 pm-7:46 pm

3 stops23h 01m

$346

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Key West from

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

What is the cheapest month to fly to Key West?

In general, October 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 $416. If you are unable to visit Key West during the month of October, then departing from Charleston during the month July is also very affordable. Most momondo users find prices during this month for around $426.

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 $521 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 $400 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

Best Price Found

$93

Fastest flight time

3h 52m

Direct flights

None

Airports in Key West

1 airport
The best one-way flight to Key West from Charleston in the past 72 hours is $93. The best round-trip flight deal from Charleston to Key West found on momondo in the last 72 hours is $144.
The fastest flight from Charleston to Key West takes 3h 52m
There are no direct flights from Charleston to Key West. Popular non-direct route for this connection is Charleston Airport - Key West Airport.
There is 1 airport near Key West: Key West (EYW)
Search flight deals

  • How far is Charleston to Key West by plane?

    There are 578.8 mi between Charleston and Key West. 3h 52m 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?

  • 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?

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
DeltaPriceFrom $336Free CancellationRating
8.0
7,980 reviews
Search Delta flights
American AirlinesPriceFrom $367Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
Big Pine Key
Little Torch Key

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.

An easier way to manage your Key West trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 8/4
Mon 8/11
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States