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Cheap flights from Charleston to Key West from $89

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 7/18. 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

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Find the cheapest flights from Charleston to Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
Breeze Airways Logo
4:04 pm - 11:06 am
CHS
-
EYW
19h 02m
1 stop
Breeze Airways Logo
1:14 pm - 3:28 pm
EYW
-
CHS
26h 14m
1 stop
$166Breeze Airways
Tue, Jun 9 - Tue, Jun 16
Breeze Airways Logo
8:56 pm - 7:13 pm
CHS
-
EYW
22h 17m
1 stop
Breeze Airways Logo
11:46 am - 3:28 pm
EYW
-
CHS
3h 42m
1 stop
$170Breeze Airways
Sat, Aug 1 - Wed, Aug 12
Breeze Airways Logo
8:56 pm - 7:13 pm
CHS
-
EYW
22h 17m
1 stop
Breeze Airways Logo
1:14 pm - 3:28 pm
EYW
-
CHS
26h 14m
1 stop
$173Breeze Airways
Wed, Aug 5 - Tue, Aug 11
Breeze Airways Logo
8:56 pm - 7:13 pm
CHS
-
EYW
22h 17m
1 stop
Breeze Airways Logo
12:07 pm - 8:48 am
EYW
-
CHS
20h 41m
1 stop
$175Breeze Airways
Wed, Aug 5 - Fri, Aug 14
Breeze Airways Logo
8:56 pm - 7:13 pm
CHS
-
EYW
22h 17m
1 stop
Breeze Airways Logo
11:46 am - 3:28 pm
EYW
-
CHS
3h 42m
1 stop
$176Breeze Airways
Sat, Aug 8 - Wed, Aug 12
Breeze Airways Logo
8:56 pm - 7:13 pm
CHS
-
EYW
22h 17m
1 stop
Breeze Airways Logo
12:07 pm - 8:48 am
EYW
-
CHS
20h 41m
1 stop
$177Breeze Airways
Sat, Aug 8 - Fri, Aug 14
Breeze Airways Logo
8:56 pm - 7:13 pm
CHS
-
EYW
22h 17m
1 stop
Breeze Airways Logo
11:46 am - 3:28 pm
EYW
-
CHS
3h 42m
1 stop
$180Breeze Airways
Wed, Aug 5 - Wed, Aug 12
Breeze Airways Logo
4:34 pm - 11:25 am
CHS
-
EYW
18h 51m
1 stop
Breeze Airways Logo
10:04 am - 1:24 pm
EYW
-
CHS
3h 20m
1 stop
$182Breeze Airways
Wed, Jun 17 - Wed, Sep 30
Breeze Airways Logo
4:04 pm - 11:06 am
CHS
-
EYW
19h 02m
1 stop
Breeze Airways Logo
12:07 pm - 8:48 am
EYW
-
CHS
20h 41m
1 stop
$186Breeze Airways
Tue, Jun 9 - Fri, Jun 12
Breeze Airways Logo
8:56 pm - 7:13 pm
CHS
-
EYW
22h 17m
1 stop
Breeze Airways Logo
12:05 pm - 8:45 am
EYW
-
CHS
20h 40m
1 stop
$189Breeze Airways
Wed, Aug 5 - Thu, Aug 13

Breeze Airways flights from Charleston to Key West

Our best Breeze Airways deals on Charleston to Key West flight tickets
Breeze Airways
Jun 4
CHS2:53 pmCharleston
20h 34m
1 stop
EYW11:27 amKey West
Jun 10
EYW11:46 amKey West
3h 42m
1 stop
CHS3:28 pmCharleston
$158
Breeze Airways
Jun 9
CHS4:04 pmCharleston
19h 02m
1 stop
EYW11:06 amKey West
Jun 16
EYW1:14 pmKey West
26h 14m
1 stop
CHS3:28 pmCharleston
$166
Breeze Airways
Aug 1
CHS8:56 pmCharleston
22h 17m
1 stop
EYW7:13 pmKey West
Aug 12
EYW11:46 amKey West
3h 42m
1 stop
CHS3:28 pmCharleston
$170

American Airlines flights from Charleston to Key West

Our best American Airlines deals on Charleston to Key West flight tickets
American Airlines
Jun 9
CHS5:00 amCharleston
8h 07m
2 stops
EYW1:07 pmKey West
Jun 16
EYW11:28 amKey West
8h 22m
2 stops
CHS7:50 pmCharleston
$493
American Airlines
Jun 8
CHS5:00 amCharleston
8h 07m
2 stops
EYW1:07 pmKey West
Jun 16
EYW11:28 amKey West
8h 22m
2 stops
CHS7:50 pmCharleston
$612
American Airlines
Jun 4
CHS10:52 amCharleston
8h 18m
2 stops
EYW7:10 pmKey West
Jun 10
EYW1:39 pmKey West
10h 08m
2 stops
CHS11:47 pmCharleston
$666

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 May 30, 2026.
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

Cheapest round-trip

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Tue 6/9

4:04 pm-11:06 am

1 stop19h 02m

Key West

Tue 6/16

1:14 pm-3:28 pm

1 stop26h 14m

$166

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Sat 8/1

8:56 pm-7:13 pm

1 stop22h 17m

Key West

Wed 8/12

11:46 am-3:28 pm

1 stop3h 42m

$170

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Wed 8/5

8:56 pm-7:13 pm

1 stop22h 17m

Key West

Tue 8/11

1:14 pm-3:28 pm

1 stop26h 14m

$173

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Wed 8/5

8:56 pm-7:13 pm

1 stop22h 17m

Key West

Fri 8/14

12:07 pm-8:48 am

1 stop20h 41m

$175

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Sat 8/8

8:56 pm-7:13 pm

1 stop22h 17m

Key West

Wed 8/12

11:46 am-3:28 pm

1 stop3h 42m

$176

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Sat 8/8

8:56 pm-7:13 pm

1 stop22h 17m

Key West

Fri 8/14

12:07 pm-8:48 am

1 stop20h 41m

$177

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Wed 8/5

8:56 pm-7:13 pm

1 stop22h 17m

Key West

Wed 8/12

11:46 am-3:28 pm

1 stop3h 42m

$180
Quickest round-trip

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Wed 6/17

4:34 pm-11:25 am

1 stop18h 51m

Key West

Wed 9/30

10:04 am-1:24 pm

1 stop3h 20m

$182

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Tue 6/9

4:04 pm-11:06 am

1 stop19h 02m

Key West

Fri 6/12

12:07 pm-8:48 am

1 stop20h 41m

$186

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

Wed 8/5

8:56 pm-7:13 pm

1 stop22h 17m

Key West

Thu 8/13

12:05 pm-8:45 am

1 stop20h 40m

$189

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 typical price of a round-trip flight between Charleston and Key West?

What is the cheapest month to fly to Key West?

In general, August 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 $269. If you are unable to visit Key West during the month of August, then departing from Charleston during the month September is also very affordable. Most momondo users find prices during this month for around $336.

How far in advance should I book a flight from Charleston 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 $420 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 $267 on momondo.

How have Charleston to Key West flight prices changed over time?

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

3h 24m

Direct flights

None
The fastest flight from Charleston to Key West takes 3h 24m
There are no direct flights from Charleston to Key West. There are no popular flight routes from Charleston to Key West.
Search flight deals

Frequently asked questions about flying from Charleston to Key West

  • How far is Charleston to Key West by plane?

    There are 578.8 mi between Charleston and Key West. 3h 24m 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
Breeze AirwaysPriceFrom $106Free CancellationRating
8.2
287 reviews
Search Breeze Airways flights
American AirlinesPriceFrom $286Free CancellationRating
7.1
11,639 reviews
Search American Airlines flights
DeltaPriceFrom $286Free CancellationRating
7.9
8,417 reviews
Search Delta 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.

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