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Cheap flights from Charleston to Key West from $106

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 12/4. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Breeze Airways Logo
9:23 pm - 10:07 amCHS-EYW
12h 44m1 stop
Breeze Airways Logo
8:55 am - 8:37 amEYW-CHS
23h 42m1 stop
$143Breeze Airways
Find Deal
vie., oct. 31 - lun., nov. 3
Breeze Airways Logo
4:01 pm - 10:07 amCHS-EYW
18h 06m1 stop
Breeze Airways Logo
10:47 am - 2:29 pmEYW-CHS
3h 42m1 stop
$160Breeze Airways
Find Deal
mar., nov. 4 - sáb., nov. 8
Breeze Airways Logo
9:23 pm - 11:05 amCHS-EYW
13h 42m1 stop
Breeze Airways Logo
10:47 am - 2:29 pmEYW-CHS
3h 42m1 stop
$165Breeze Airways
Find Deal
lun., nov. 10 - mié., nov. 12
Breeze Airways Logo
9:23 pm - 11:05 amCHS-EYW
13h 42m1 stop
Breeze Airways Logo
10:47 am - 2:29 pmEYW-CHS
3h 42m1 stop
$184Breeze Airways
Find Deal
lun., nov. 10 - mié., nov. 12
Multiple Airlines Logo
9:23 pm - 10:07 amCHS-EYW
12h 44m1 stop
Multiple Airlines Logo
12:20 pm - 8:54 pmEYW-CHS
8h 34m1 stop
$192Multiple Airlines
Find Deal
vie., dic. 12 - dom., dic. 14
Multiple Airlines Logo
7:00 am - 11:05 amCHS-EYW
28h 05m2 stops
Multiple Airlines Logo
10:47 am - 2:29 pmEYW-CHS
3h 42m1 stop
$243Multiple Airlines
Find Deal
lun., nov. 10 - mié., nov. 12
American Airlines Logo
5:38 pm - 9:46 pmCHS-EYW
4h 08m1 stop
American Airlines Logo
1:33 pm - 7:23 pmEYW-CHS
5h 50m1 stop
$297American Airlines
Find Deal
mié., dic. 3 - mar., dic. 9
American Airlines Logo
2:03 pm - 11:07 pmCHS-EYW
9h 04m2 stops
American Airlines Logo
1:33 pm - 7:23 pmEYW-CHS
5h 50m1 stop
$302American Airlines
Find Deal
mié., dic. 3 - mar., dic. 9
Spirit Airlines Logo
11:55 am - 1:30 pmCHS-EYW
25h 35m3 stops
Spirit Airlines Logo
12:20 pm - 8:54 pmEYW-CHS
8h 34m1 stop
$320Spirit Airlines
Find Deal
vie., dic. 12 - dom., dic. 14
Spirit Airlines Logo
10:18 pm - 11:20 amCHS-EYW
13h 02m1 stop
Spirit Airlines Logo
12:20 pm - 9:23 pmEYW-CHS
9h 03m1 stop
$337Spirit Airlines
Find Deal
lun., dic. 29 - jue., ene. 1

Breeze Airways flights from Charleston to Key West

Our best Breeze Airways deals on Charleston to Key West flight tickets
Breeze Airways
Oct 31
CHS9:23 pmCharleston
12h 44m
1 stop
EYW10:07 amKey West
Nov 3
EYW8:55 amKey West
23h 42m
1 stop
CHS8:37 amCharleston
$143
Find similar
Breeze Airways
Nov 4
CHS4:01 pmCharleston
18h 06m
1 stop
EYW10:07 amKey West
Nov 8
EYW10:47 amKey West
3h 42m
1 stop
CHS2:29 pmCharleston
$160
Find similar
Breeze Airways
Nov 10
CHS9:23 pmCharleston
13h 42m
1 stop
EYW11:05 amKey West
Nov 12
EYW10:47 amKey West
3h 42m
1 stop
CHS2:29 pmCharleston
$165
Find similar

American Airlines flights from Charleston to Key West

Our best American Airlines deals on Charleston to Key West flight tickets
American Airlines
Dec 3
CHS5:38 pmCharleston
4h 08m
1 stop
EYW9:46 pmKey West
Dec 9
EYW1:33 pmKey West
5h 50m
1 stop
CHS7:23 pmCharleston
$297
Find similar
American Airlines
Dec 3
CHS2:03 pmCharleston
9h 04m
2 stops
EYW11:07 pmKey West
Dec 9
EYW1:33 pmKey West
5h 50m
1 stop
CHS7:23 pmCharleston
$302
Find similar
American Airlines
Dec 3
CHS3:14 pmCharleston
7h 53m
2 stops
EYW11:07 pmKey West
Dec 9
EYW4:10 pmKey West
7h 03m
2 stops
CHS11:13 pmCharleston
$307
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 octubre 28, 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

vie. 10/31

9:23 pm-10:07 am

1 stop12h 44m

Key West

lun. 11/3

8:55 am-8:37 am

1 stop23h 42m

$143

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

mar. 11/4

4:01 pm-10:07 am

1 stop18h 06m

Key West

sáb. 11/8

10:47 am-2:29 pm

1 stop3h 42m

$160

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

lun. 11/10

9:23 pm-11:05 am

1 stop13h 42m

Key West

mié. 11/12

10:47 am-2:29 pm

1 stop3h 42m

$165

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

lun. 11/10

9:23 pm-11:05 am

1 stop13h 42m

Key West

mié. 11/12

10:47 am-2:29 pm

1 stop3h 42m

$184

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

vie. 12/12

9:23 pm-10:07 am

1 stop12h 44m

Key West

dom. 12/14

12:20 pm-8:54 pm

1 stop8h 34m

$192

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

lun. 11/10

7:00 am-11:05 am

2 stops28h 05m

Key West

mié. 11/12

10:47 am-2:29 pm

1 stop3h 42m

$243

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

mié. 12/3

5:38 pm-9:46 pm

1 stop4h 08m

Key West

mar. 12/9

1:33 pm-7:23 pm

1 stop5h 50m

$297

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

mié. 12/3

2:03 pm-11:07 pm

2 stops9h 04m

Key West

mar. 12/9

1:33 pm-7:23 pm

1 stop5h 50m

$302

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

vie. 12/12

11:55 am-1:30 pm

3 stops25h 35m

Key West

dom. 12/14

12:20 pm-8:54 pm

1 stop8h 34m

$320

CharlestonKey West

CHS - EYW

CHSEYW

Charleston

lun. 12/29

10:18 pm-11:20 am

1 stop13h 02m

Key West

jue. 1/1

12:20 pm-9:23 pm

1 stop9h 03m

$337

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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, 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 $503 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

Direct flights

None
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. 4h 08m 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 $110Free CancellationRating
8.1
220 reviews
Search Breeze Airways flights
DeltaPriceFrom $286Free CancellationRating
7.9
7,995 reviews
Search Delta flights
American AirlinesPriceFrom $336Free CancellationRating
7.2
11,033 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.

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1 adult
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