$112+ Cheap flights from Charleston (CHS) to Key Largo, FL
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — MIA
Jun 8 — Jun 151
Round-trip
1 adult, Economy
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Find cheap flights from Charleston to Key Largo 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.Cheapflights Tip: The best prices from Charleston to Key Largo are usually found in September or August, booked 89 days in advance, depart on a Friday or Thursday and return on a Wednesday
Cheap flight deals from Charleston to Key Largo
Cheapest
Best
Last-minute
One-way
Cheapest flights from Charleston to Key LargoExplore the most affordable flight options available from Charleston to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 9, 2026.
Explore the most affordable flight options available from Charleston to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 9, 2026.
This American Airlines deal was found by Cheapflights users on 5/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:00 am
CHS
- MIA
Nonstop1h 43m
American Airlines
Wed 7/295:00 pm
MIA
- CHS
Nonstop1h 51m
American Airlines
Deal found 5/8![American Airlines logo]()
$207
This Southwest deal was found by Cheapflights users on 5/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/223:00 pm
CHS
- MIA
1 stop6h 20m
Southwest
Wed 7/291:45 pm
MIA
- CHS
1 stop6h 55m
Southwest
Deal found 5/8![Southwest logo]()
$227
This American Airlines deal was found by Cheapflights users on 5/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1911:42 am
CHS
- MIA
1 stop7h 09m
American Airlines
Tue 5/1910:40 pm
MIA
- CHS
Nonstop1h 44m
American Airlines
Deal found 5/5![American Airlines logo]()
$242
This American Airlines deal was found by Cheapflights users on 5/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/138:09 pm
CHS
- MIA
Nonstop1h 46m
American Airlines
Tue 6/165:00 pm
MIA
- CHS
Nonstop1h 51m
American Airlines
Deal found 5/7![American Airlines logo]()
$252
This American Airlines deal was found by Cheapflights users on 5/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:13 pm
CHS
- MIA
Nonstop1h 49m
American Airlines
Sat 9/128:30 am
MIA
- CHS
Nonstop1h 50m
American Airlines
Deal found 5/8![American Airlines logo]()
$257
This American Airlines deal was found by Cheapflights users on 5/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/278:09 pm
CHS
- MIA
Nonstop1h 46m
American Airlines
Mon 7/68:30 am
MIA
- CHS
Nonstop1h 52m
American Airlines
Deal found 5/7![American Airlines logo]()
$262
This Southwest deal was found by Cheapflights users on 5/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:45 pm
CHS
- MIA
1 stop6h 15m
Southwest
Sat 6/67:00 am
MIA
- CHS
1 stop8h 25m
Southwest
Deal found 5/7![Southwest logo]()
$267
This American Airlines deal was found by Cheapflights users on 5/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/278:09 pm
CHS
- MIA
Nonstop1h 46m
American Airlines
Sun 7/58:30 am
MIA
- CHS
Nonstop1h 52m
American Airlines
Deal found 5/8![American Airlines logo]()
$272
This Delta deal was found by Cheapflights users on 5/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:55 pm
CHS
- MIA
1 stop6h 59m
Delta
Sat 9/126:00 am
MIA
- CHS
1 stop5h 25m
Delta
Deal found 5/8![Delta logo]()
$282
Best flights from Charleston to Key LargoDiscover carefully curated flight deals from Charleston to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 9, 2026.
Discover carefully curated flight deals from Charleston to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 9, 2026.
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/175:10 am
CHS
- MIA
1 stop4h 23m
Delta
Tue 6/238:17 am
MIA
- CHS
1 stop5h 24m
Delta
Deal found 5/6![Delta logo]()
$317
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:10 am
CHS
- MIA
1 stop5h 25m
Southwest
Sat 9/267:45 am
MIA
- CHS
1 stop8h 40m
Southwest
Deal found 5/6![Southwest logo]()
$317
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:35 am
CHS
- MIA
2 stops12h 25m
Southwest
Sat 10/36:40 am
MIA
- CHS
1 stop6h 55m
Southwest
Deal found 5/6![Southwest logo]()
$322
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/172:10 pm
CHS
- MIA
1 stop7h 40m
Southwest
Tue 6/2311:45 am
MIA
- CHS
2 stops9h 40m
Southwest
Deal found 5/6![Southwest logo]()
$322
This Southwest deal was found by Cheapflights users on 5/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:20 am
CHS
- MIA
1 stop6h 55m
Southwest
Mon 6/87:15 am
MIA
- CHS
1 stop10h 05m
Southwest
Deal found 5/5![Southwest logo]()
$333
This Southwest deal was found by Cheapflights users on 5/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:35 am
CHS
- MIA
1 stop5h 50m
Southwest
Sun 9/135:50 am
MIA
- CHS
1 stop8h 35m
Southwest
Deal found 5/3![Southwest logo]()
$336
This Southwest deal was found by Cheapflights users on 5/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/97:15 am
CHS
- MIA
2 stops9h 10m
Southwest
Thu 7/163:05 pm
MIA
- CHS
1 stop6h 50m
Southwest
Deal found 5/8![Southwest logo]()
$342
This Southwest deal was found by Cheapflights users on 5/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/31:15 pm
CHS
- MIA
2 stops8h 55m
Southwest
Sat 10/109:05 am
MIA
- CHS
2 stops10h 40m
Southwest
Deal found 5/4![Southwest logo]()
$356
This Southwest deal was found by Cheapflights users on 5/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/44:10 pm
CHS
- MIA
1 stop7h 05m
Southwest
Sun 6/76:20 am
MIA
- CHS
1 stop7h 05m
Southwest
Deal found 5/4![Southwest logo]()
$357
Last-minute flights from Charleston to Key LargoDiscover last-minute flight deals from Charleston to Key Largo. Data last updated May 9, 2026 and is based on user searches.
Discover last-minute flight deals from Charleston to Key Largo. Data last updated May 9, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1911:42 am
CHS
- MIA
1 stop7h 09m
American Airlines
Tue 5/1910:40 pm
MIA
- CHS
Nonstop1h 44m
American Airlines
Deal found 5/5![American Airlines logo]()
$242
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/248:50 am
CHS
- MIA
1 stop13h 05m
Southwest
Wed 5/2712:35 pm
MIA
- CHS
1 stop7h 50m
Southwest
Deal found 5/6![Southwest logo]()
$302
This Southwest deal was found by Cheapflights users on 5/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:45 pm
CHS
- MIA
1 stop6h 15m
Southwest
Sat 6/67:00 am
MIA
- CHS
1 stop8h 25m
Southwest
Deal found 5/7![Southwest logo]()
$267
This American Airlines deal was found by Cheapflights users on 5/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:20 pm
CHS
- MIA
Nonstop1h 45m
American Airlines
Sat 6/610:15 pm
MIA
- CHS
Nonstop1h 44m
American Airlines
Deal found 5/5![American Airlines logo]()
$287
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/54:10 pm
CHS
- MIA
1 stop7h 05m
Southwest
Sat 6/67:00 am
MIA
- CHS
1 stop8h 25m
Southwest
Deal found 5/6![Southwest logo]()
$306
This Southwest deal was found by Cheapflights users on 5/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/124:10 pm
CHS
- MIA
1 stop7h 05m
Southwest
Tue 6/166:35 am
MIA
- CHS
1 stop6h 55m
Southwest
Deal found 5/7![Southwest logo]()
$282
This American Airlines deal was found by Cheapflights users on 5/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/138:09 pm
CHS
- MIA
Nonstop1h 46m
American Airlines
Tue 6/165:00 pm
MIA
- CHS
Nonstop1h 51m
American Airlines
Deal found 5/7![American Airlines logo]()
$252
This American Airlines deal was found by Cheapflights users on 5/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/278:09 pm
CHS
- MIA
Nonstop1h 46m
American Airlines
Mon 7/68:30 am
MIA
- CHS
Nonstop1h 52m
American Airlines
Deal found 5/7![American Airlines logo]()
$262
This American Airlines deal was found by Cheapflights users on 5/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/278:09 pm
CHS
- MIA
Nonstop1h 46m
American Airlines
Sun 7/58:30 am
MIA
- CHS
Nonstop1h 52m
American Airlines
Deal found 5/8![American Airlines logo]()
$272
One-way flights from Charleston to Key LargoSearch for one-way flight options from Charleston to Key Largo. Find affordable one-way fares based on user searches. Data last updated May 9, 2026.
Search for one-way flight options from Charleston to Key Largo. Find affordable one-way fares based on user searches. Data last updated May 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 7/304:02 pm
CHS
- MIA
2 stops31h 03m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$112
This Southwest deal was found by Cheapflights users on 5/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/163:00 pm
CHS
- MIA
1 stop6h 20m
Southwest
Deal found 5/8![Southwest logo]()
$114
This Southwest deal was found by Cheapflights users on 5/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/242:10 pm
CHS
- MIA
2 stops8h 00m
Southwest
Deal found 5/8![Southwest logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 5/308:50 pm
CHS
- MIA
2 stops25h 57m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 6/210:38 am
CHS
- MIA
2 stops12h 09m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 7/2811:15 am
CHS
- MIA
2 stops35h 04m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 6/304:04 pm
CHS
- MIA
2 stops30h 59m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 8/47:25 am
CHS
- MIA
2 stops15h 40m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 7/24:02 pm
CHS
- MIA
2 stops31h 01m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 8/67:25 am
CHS
- MIA
2 stops15h 40m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Fri 5/299:28 pm
CHS
- MIA
2 stops36h 59m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Mon 6/19:28 pm
CHS
- MIA
2 stops25h 19m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$142
Find flight deals from Charleston to Key Largo
Keep the following information in mind while searching for Charleston to Key Largo flight deals. Data was last updated May 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $207 (American Airlines) |
One-way from | $112 (Kiwi.com) |
Popular in | April |
Cheapest in | September |
Average price | $361 |
Cheapflights Fare Finder
Customize your flight search to find flights from Charleston to Key Largo 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 2,558,603 searches. Data last updated May 9, 2026.
Use the filters below to find and compare flights from Charleston to Key Largo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
CharlestonMiami
CHS - MIA
CHSMIA
Charleston
Wed 6/17
5:10 am-9:33 am
1 stop4h 23m
Miami
Tue 6/23
8:17 am-1:41 pm
1 stop5h 24m
$317
CharlestonMiami
CHS - MIA
CHSMIA
Charleston
Tue 9/22
8:10 am-1:35 pm
1 stop5h 25m
Miami
Sat 9/26
7:45 am-4:25 pm
1 stop8h 40m
$317
CharlestonMiami
CHS - MIA
CHSMIA
Charleston
Wed 9/30
7:35 am-8:00 pm
2 stops12h 25m
Miami
Sat 10/3
6:40 am-1:35 pm
1 stop6h 55m
$322
CharlestonMiami
CHS - MIA
CHSMIA
Charleston
Wed 6/17
2:10 pm-9:50 pm
1 stop7h 40m
Miami
Tue 6/23
11:45 am-9:25 pm
2 stops9h 40m
$322
CharlestonMiami
CHS - MIA
CHSMIA
Charleston
Sat 6/6
7:20 am-2:15 pm
1 stop6h 55m
Miami
Mon 6/8
7:15 am-5:20 pm
1 stop10h 05m
$333
CharlestonMiami
CHS - MIA
CHSMIA
Charleston
Wed 9/9
7:35 am-1:25 pm
1 stop5h 50m
Miami
Sun 9/13
5:50 am-2:25 pm
1 stop8h 35m
$336
CharlestonMiami
CHS - MIA
CHSMIA
Charleston
Thu 7/9
7:15 am-4:25 pm
2 stops9h 10m
Miami
Thu 7/16
3:05 pm-9:55 pm
1 stop6h 50m
$342
CharlestonMiami
CHS - MIA
CHSMIA
Charleston
Sat 10/3
1:15 pm-10:10 pm
2 stops8h 55m
Miami
Sat 10/10
9:05 am-7:45 pm
2 stops10h 40m
$356
CharlestonMiami
CHS - MIA
CHSMIA
Charleston
Thu 6/4
4:10 pm-11:15 pm
1 stop7h 05m
Miami
Sun 6/7
6:20 am-1:25 pm
1 stop7h 05m
$357
Cheapest one-way
Quickest one-way
CharlestonMiami
CHS - MIA
CHSMIA
Charleston
Tue 6/16
3:00 pm-9:20 pm
1 stop6h 20m
$114
Showing 1-10 of 19 resultsSorted by cheapest first
Best time to book a flight from Charleston to Key Largo
Have a flexible travel schedule? Discover the best time to fly to Key Largo from Charleston with our price prediction graph.
CHS-MIA
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 Largo
CHS-KE9
CHS-MIA
What is the cheapest time of day to fly from CHS to KE9?
Find hourly flight availability from Charleston to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 9, 2026.
A simple way to save on the total cost of your ticket is to fly from Charleston to Key Largo in the afternoon. If you’re flexible enough to do this you can expect to save up to 33% on your trip compared to booking a flight in the morning.
What is the cheapest day to fly from Charleston to Key Largo?
Use this chart to determine the cheapest time to fly round-trip from Charleston to Key Largo. Price data was last updated on May 2, 2026.
Travelers seeking maximum savings on their Charleston to Key Largo flight should consider departing on Tuesday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Charleston to Key Largo
Explore weekly flight availability from Charleston to Key Largo. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 9, 2026.
The most flights from CHS to KE9 are scheduled on a Saturday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).
How much does it cost to fly round-trip from Charleston to Key Largo?
Reviews of airlines servicing Key Largo
Get insights into the airlines that provide service to Key Largo. 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 Largo. Reviews last updated May 9, 2026.
Read reviews from past customers who have flown Southwest,Delta, andJetBlue from Charleston to Key Largo. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
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Charleston and Key Largo flights
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$46 | Average$101 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$78 | Average$194 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$106 | Average$224 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$113 | Average$340 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$158 | Average$353 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$245 | Average$331 | FlexibilityNo cancel fee | On-time63% |