$100+ Cheap flights from Charleston to Key West (CHS - EYW)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — EYW
Oct 29 — Nov 51
Round-trip
1 adult, Economy
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Find cheap flights from Charleston to Key West with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Charleston to Key West
Cheapest
Best
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Cheapest flights from Charleston to Key WestExplore the most affordable flight options available from Charleston to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 29, 2026.
Explore the most affordable flight options available from Charleston to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 29, 2026.
This Breeze Airways deal was found by Cheapflights users on 9/28. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:00 am -
1 stop3h 24m
Wed 12/210:45 am -
1 stop3h 20m
Deal found 9/28![Breeze Airways logo]()
$100
This Breeze Airways deal was found by Cheapflights users on 9/28. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:00 am -
1 stop3h 24m
Wed 11/410:04 am -
1 stop3h 20m
Deal found 9/28![Breeze Airways logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
1 stop3h 24m
Wed 11/410:04 am -
1 stop3h 20m
Deal found 9/28![Breeze Airways logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am -
1 stop3h 24m
Wed 10/2810:04 am -
1 stop3h 20m
Deal found 9/26![Breeze Airways logo]()
$124
This Breeze Airways deal was found by Cheapflights users on 9/26. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:00 am -
1 stop3h 24m
Wed 11/1110:04 am -
1 stop3h 20m
Deal found 9/26![Breeze Airways logo]()
$125
This Breeze Airways deal was found by Cheapflights users on 9/28. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:00 am -
1 stop3h 24m
Wed 11/410:04 am -
1 stop3h 20m
Deal found 9/28![Breeze Airways logo]()
$128
This Breeze Airways deal was found by Cheapflights users on 9/24. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:00 am -
1 stop3h 24m
Fri 11/1312:59 pm -
1 stop24h 25m
Deal found 9/24![Breeze Airways logo]()
$131
This Priceline deal was found by Cheapflights users on 9/24. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
1 stop3h 24m
Wed 10/2110:04 am -
1 stop3h 20m
Deal found 9/24![Breeze Airways logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:40 am -
1 stop3h 24m
Wed 12/910:45 am -
1 stop3h 20m
Deal found 9/28![Breeze Airways logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:42 pm -
1 stop18h 37m
Wed 10/1410:04 am -
1 stop3h 20m
Deal found 9/25![Breeze Airways logo]()
$171
Best flights from Charleston to Key WestDiscover carefully curated flight deals from Charleston to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 29, 2026.
Discover carefully curated flight deals from Charleston to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 29, 2026.
This Breeze Airways deal was found by Cheapflights users on 9/28. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:00 am -
1 stop3h 24m
Wed 11/410:04 am -
1 stop3h 20m
Deal found 9/28![Breeze Airways logo]()
$128
This Breeze Airways deal was found by Cheapflights users on 9/25. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/18:23 pm -
1 stop16h 13m
Fri 2/510:59 am -
1 stop21h 39m
Deal found 9/25![Breeze Airways logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:00 am -
1 stop3h 24m
Wed 11/410:04 am -
2 stops9h 10m
Deal found 9/23![Breeze Airways logo]()
$178
This Breeze Airways deal was found by Cheapflights users on 9/25. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/73:27 pm -
1 stop18h 52m
Fri 12/1110:59 am -
1 stop21h 39m
Deal found 9/25![Breeze Airways logo]()
$221
This Breeze Airways deal was found by Cheapflights users on 9/27. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/132:13 pm -
1 stop20h 06m
Thu 12/1710:59 am -
1 stop21h 49m
Deal found 9/27![Breeze Airways logo]()
$221
This Breeze Airways deal was found by Cheapflights users on 9/28. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/303:27 pm -
1 stop18h 52m
Thu 12/310:59 am -
1 stop21h 49m
Deal found 9/28![Breeze Airways logo]()
$251
This Breeze Airways deal was found by Cheapflights users on 9/23. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:58 pm -
1 stop15h 38m
Fri 10/1612:59 pm -
1 stop24h 25m
Deal found 9/23![Breeze Airways logo]()
$257
This Breeze Airways deal was found by Cheapflights users on 9/23. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:58 pm -
1 stop12h 26m
Tue 10/201:16 pm -
1 stop24h 08m
Deal found 9/23![Breeze Airways logo]()
$262
This Breeze Airways deal was found by Cheapflights users on 9/25. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/129:39 pm -
1 stop14h 40m
Mon 11/1612:59 pm -
1 stop23h 32m
Deal found 9/25![Breeze Airways logo]()
$269
Last-minute flights from Charleston to Key WestDiscover last-minute flight deals from Charleston to Key West. Data last updated September 29, 2026 and is based on user searches.
Discover last-minute flight deals from Charleston to Key West. Data last updated September 29, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:42 pm -
1 stop18h 37m
Wed 10/1410:04 am -
1 stop3h 20m
Deal found 9/25![Breeze Airways logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
1 stop3h 24m
Wed 11/410:04 am -
1 stop3h 20m
Deal found 9/28![Breeze Airways logo]()
$118
This Priceline deal was found by Cheapflights users on 9/24. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
1 stop3h 24m
Wed 10/2110:04 am -
1 stop3h 20m
Deal found 9/24![Breeze Airways logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/222:13 pm -
1 stop20h 06m
Tue 10/271:16 pm -
1 stop24h 08m
Deal found 9/27![Breeze Airways logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am -
1 stop3h 24m
Wed 10/2810:04 am -
1 stop3h 20m
Deal found 9/26![Breeze Airways logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am -
1 stop3h 24m
Sat 10/3110:04 am -
2 stops9h 08m
Deal found 9/26![Breeze Airways logo]()
$183
This Breeze Airways deal was found by Cheapflights users on 9/28. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:00 am -
1 stop3h 24m
Wed 11/410:04 am -
1 stop3h 20m
Deal found 9/28![Breeze Airways logo]()
$115
This Breeze Airways deal was found by Cheapflights users on 9/28. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:00 am -
1 stop3h 24m
Wed 11/410:04 am -
1 stop3h 20m
Deal found 9/28![Breeze Airways logo]()
$128
One-way flights from Charleston to Key WestSearch for one-way flight options from Charleston to Key West. Find affordable one-way fares based on user searches. Data last updated September 29, 2026.
Search for one-way flight options from Charleston to Key West. Find affordable one-way fares based on user searches. Data last updated September 29, 2026.
This Breeze Airways deal was found by Cheapflights users on 9/28. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/222:13 pm -
1 stop20h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Breeze Airways logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:13 pm -
1 stop20h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Breeze Airways logo]()
$111
This Breeze Airways deal was found by Cheapflights users on 9/24. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/182:13 pm -
1 stop20h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Breeze Airways logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:42 pm -
1 stop18h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Breeze Airways logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:21 pm -
1 stop20h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Breeze Airways logo]()
$149
This Breeze Airways deal was found by Cheapflights users on 9/25. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:58 pm -
1 stop12h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Breeze Airways logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:13 pm -
2 stops34h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:00 am -
2 stops26h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$186
Find flight deals from Charleston to Key West
Discover tips and strategies to find the most affordable flight options for your journey from Charleston (CHS) to Key West (EYW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $100 (Kiwi.com) |
Popular in | October |
Cheapest in | September |
Average price | $138 |
Cheapflights 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, Cheapflights users made 7,457,451 searches. Data last updated September 29, 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
Cheapest round-trip
CharlestonKey West
CHS Charleston - EYW Key West
CHSEYW
Charleston
Thu 10/22
2:13 pm-10:19 am
1 stop20h 06m
Key West
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$102
Quickest round-trip
CharlestonKey West
CHS Charleston - EYW Key West
CHSEYW
Charleston
Sat 10/31
6:00 am-9:24 am
1 stop3h 24m
Key West
Wed 11/4
10:04 am-1:24 pm
1 stop3h 20m
$128
CharlestonKey West
CHS Charleston - EYW Key West
CHSEYW
Charleston
Sun 10/18
2:13 pm-10:19 am
1 stop20h 06m
Key West
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$129
CharlestonKey West
CHS Charleston - EYW Key West
CHSEYW
Charleston
Fri 10/16
8:58 pm-9:24 am
1 stop12h 26m
Key West
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$163
CharlestonKey West
CHS Charleston - EYW Key West
CHSEYW
Charleston
Mon 2/1
8:23 pm-12:36 pm
1 stop16h 13m
Key West
Fri 2/5
10:59 am-8:38 am
1 stop21h 39m
$173
CharlestonKey West
CHS Charleston - EYW Key West
CHSEYW
Charleston
Wed 10/28
6:00 am-9:24 am
1 stop3h 24m
Key West
Wed 11/4
10:04 am-7:14 pm
2 stops9h 10m
$178
CharlestonKey West
CHS Charleston - EYW Key West
CHSEYW
Charleston
Mon 12/7
3:27 pm-10:19 am
1 stop18h 52m
Key West
Fri 12/11
10:59 am-8:38 am
1 stop21h 39m
$221
CharlestonKey West
CHS Charleston - EYW Key West
CHSEYW
Charleston
Sun 12/13
2:13 pm-10:19 am
1 stop20h 06m
Key West
Thu 12/17
10:59 am-8:48 am
1 stop21h 49m
$221
CharlestonKey West
CHS Charleston - EYW Key West
CHSEYW
Charleston
Tue 10/6
1:21 pm-9:24 am
1 stop20h 03m
Key West
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$235
CharlestonKey West
CHS Charleston - EYW Key West
CHSEYW
Charleston
Mon 11/30
3:27 pm-10:19 am
1 stop18h 52m
Key West
Thu 12/3
10:59 am-8:48 am
1 stop21h 49m
$251
Showing 1-10 of 13 resultsSorted by cheapest first
Compare providers for flights from Charleston to Key West
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Charleston to Key West in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Charleston-Key West flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Charleston-Key West flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Charleston-Key West flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Charleston-Key West flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Charleston-Key West flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Charleston to Key West
Have a flexible travel schedule? Discover the best time to fly to Key West from Charleston with our price prediction graph.
CHS-EYW
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 Charleston to Key West
What is the cheapest month to book a flight from Charleston to Key West?
Currently, September is the cheapest month in which you can book a flight from Charleston to Key West (average of $138). Flying from Charleston to Key West in October is currently the most expensive (average of $626). 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.
How much does it cost to fly round-trip from Charleston to Key West?
Airfare is below average for this route at the moment.
Charleston to Key West flights typically cost between $605 and $636 in November.The cheapest round-trip price found within the last 5 days was $100 on Breeze Airways (Nov 7-Nov 18).
Reviews of airlines servicing Key West
Get insights into the airlines that provide service to Key West. 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 Key West. Reviews last updated September 29, 2026.
Read through reviews of airlines operating flights from Charleston to Key West, such as Breeze Airways,Delta, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.2
Entertainment
6.8
Boarding
8.4
Crew
8.8
Food
6.8
Comfort
8.2
Reviews
1 / 18
4.0
OkayLisa,Mar 2026
ORF - JAX
Overall
8.2
Entertainment
6.8
Boarding
8.4
Crew
8.8
Food
6.8
Comfort
8.2
Reviews
1 / 18
4.0
OkayLisa,Mar 2026
ORF - JAX
Overall
8.2
Entertainment
6.8
Boarding
8.4
Crew
8.8
Food
6.8
Comfort
8.2
Reviews
1 / 18
4.0
OkayLisa,Mar 2026
ORF - JAX
Overall
8.2
Entertainment
6.8
Boarding
8.4
Crew
8.8
Food
6.8
Comfort
8.2
Reviews
1 / 18
4.0
OkayLisa,Mar 2026
ORF - JAX
Related info for your journey
Find useful and relevant information for your journey from Charleston to Key West. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Complete your trip
Complete your trip to Key West by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Charleston to Key West by cabin class
Find flights from Charleston to Key West, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Key West
Explore flights to Key West departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 29, 2026.
Charleston and Key West flights
Browse other Charleston and Key West flight options. Last updated on September 29, 2026.
Other flights from Charleston
Browse through other flights departing from Charleston. Flights are based on user searches made on Cheapflights and were last updated on September 29, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Charleston to Key West
Discover the top 3 airlines that operate flights from Charleston to Key West. 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 7,457,451 searches. Data last updated September 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$104 | Average$211 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$327 | Average$468 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$344 | Average$515 | FlexibilityNo cancel fee | On-timeN/A |