$143 Cheap Flights from Charleston (CHS) to Cancun (CUN)

View $143 flight on Mon, Aug 11, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Charleston to Cancun (CHS-CUN)

Prices were available within the past 7 days and start at $143 for one-way flights and $322 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Sat, May 3 - Wed, May 14
CHS
Charleston
CUN
Cancun
$322 Roundtrip, found 2 days ago
$322
Roundtrip
found 2 days ago
Select Spirit Airlines flight, departing Sat, May 3 from Charleston to Cancun, returning Wed, May 14, priced at $322 found 2 days ago
Spirit Airlines
Mon, Jul 14 - Sat, Jul 19
CHS
Charleston
CUN
Cancun
$349 Roundtrip, found 3 hours ago
$349
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Mon, Jul 14 from Charleston to Cancun, returning Sat, Jul 19, priced at $349 found 3 hours ago
Spirit Airlines
Mon, Aug 4 - Thu, Aug 7
CHS
Charleston
CUN
Cancun
$354 Roundtrip, found 14 hours ago
$354
Roundtrip
found 14 hours ago
Select Spirit Airlines flight, departing Mon, Aug 4 from Charleston to Cancun, returning Thu, Aug 7, priced at $354 found 14 hours ago
Spirit Airlines
Mon, May 5 - Wed, May 14
CHS
Charleston
CUN
Cancun
$356 Roundtrip, found 2 days ago
$356
Roundtrip
found 2 days ago
Select Spirit Airlines flight, departing Mon, May 5 from Charleston to Cancun, returning Wed, May 14, priced at $356 found 2 days ago
Spirit Airlines
Tue, May 6 - Wed, May 14
CHS
Charleston
CUN
Cancun
$360 Roundtrip, found 2 days ago
$360
Roundtrip
found 2 days ago
Select Spirit Airlines flight, departing Tue, May 6 from Charleston to Cancun, returning Wed, May 14, priced at $360 found 2 days ago
Spirit Airlines
Mon, Aug 11 - Thu, Aug 14
CHS
Charleston
CUN
Cancun
$361 Roundtrip, found 9 hours ago
$361
Roundtrip
found 9 hours ago
Select Spirit Airlines flight, departing Mon, Aug 11 from Charleston to Cancun, returning Thu, Aug 14, priced at $361 found 9 hours ago
American Airlines
Mon, Jul 14 - Sat, Jul 19
CHS
Charleston
CUN
Cancun
$373 Roundtrip, found 3 hours ago
$373
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Mon, Jul 14 from Charleston to Cancun, returning Sat, Jul 19, priced at $373 found 3 hours ago
Aeromexico
Thu, May 8 - Mon, May 12
CHS
Charleston
CUN
Cancun
$379 Roundtrip, found 1 hour ago
$379
Roundtrip
found 1 hour ago
Select Aeromexico flight, departing Thu, May 8 from Charleston to Cancun, returning Mon, May 12, priced at $379 found 1 hour ago
Delta
Thu, May 8 - Mon, May 12
CHS
Charleston
CUN
Cancun
$379 Roundtrip, found 1 hour ago
$379
Roundtrip
found 1 hour ago
Select Delta flight, departing Thu, May 8 from Charleston to Cancun, returning Mon, May 12, priced at $379 found 1 hour ago
United
Mon, Jun 9 - Fri, Jun 13
CHS
Charleston
CUN
Cancun
$379 Roundtrip, found 3 hours ago
$379
Roundtrip
found 3 hours ago
Select United flight, departing Mon, Jun 9 from Charleston to Cancun, returning Fri, Jun 13, priced at $379 found 3 hours ago
Flights from Charleston (CHS) to Cancun (CUN)
Origin airport
Charleston Intl.
Destination airport
Cancun Intl.
Airlines serving
Aeromexico, Air Canada, American Airlines, Delta, JetBlue Airways, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$321
Distance
919 mi

Charleston to Cancun Flights

The cheapest times to fly from Charleston to Cancun

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Charleston to Cancun are during the month of May. You can find some of the cheapest flights from Charleston to Cancun with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Charleston to Cancun

Sunday is one of the best days to book for cheap flights from Charleston to Cancun: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Charleston to Cancun

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Charleston to Cancun in 2025. You can also book with separate airlines for your outbound and return journeys, from $143 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Charleston to Cancun flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Charleston to Cancun airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Charleston Intl. Airport (CHS) to Cancun Intl. Airport (CUN) cost?
Discover the latest flight deals from CHS to CUN by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from CHS to CUN?
The cheapest flights from CHS to CUN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from CHS to CUN?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from CHS to CUN. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Charleston Intl. Airport (CHS) to Cancun Intl. Airport (CUN)?
There aren’t any daily nonstop flights available from Charleston Intl. Airport (CHS) to Cancun Intl. Airport (CUN). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you’ll be on your way before you know it.
What day of the week has the most flights from CHS to CUN?
You’ll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Charleston Intl. Airport (CHS) to Cancun Intl. Airport (CUN)?
To avoid potential delays on the Charleston Intl. Airport (CHS) to Cancun Intl. Airport (CUN) route, aim to travel before 3 PM. Later departures are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Charleston Intl. Airport (CHS) to Cancun Intl. Airport (CUN) last-minute?
Booking your flight from CHS to CUN shortly before your trip is usually more expensive. But if you’re flexible with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a CHS to CUN flight and hotel package?
You’ll typically save money by securing a CHS to CUN flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s easy to manage everything in one place. After choosing your preferred flights and accommodations, consider other add-ons like car rentals, activities and tours.
Can I cancel or change the date of my flight from Charleston Intl. Airport (CHS) to Cancun Intl. Airport (CUN)?
Typically, you can reschedule or cancel your CHS to CUN flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline’s rules and fees on flight changes, or if you’d like further information, head to our Customer Service portal.

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*Available to One Key members.