$547 Cheap Flights from Charleston (CHS) to Chiang Mai (CNX)

View $547 flight on Thu, Oct 23, 2025Opens in a new window

Popular airlines from Charleston Intl. Airport (CHS) to Chiang Mai Intl. Airport (CNX)

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Cheap Flights from Charleston to Chiang Mai (CHS-CNX)

Prices were available within the past 7 days and start at $547 for one-way flights and $1,129 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, Oct 23 - Tue, Oct 28
CHS
Charleston
CNX
Chiang Mai
$1,129 Roundtrip, found 3 days ago
$1,129
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Oct 23 from Charleston to Chiang Mai, returning Tue, Oct 28, priced at $1,129 found 3 days ago
Alaska Airlines
Thu, Oct 23 - Tue, Oct 28
CHS
Charleston
CNX
Chiang Mai
$1,138 Roundtrip, found 3 days ago
$1,138
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Oct 23 from Charleston to Chiang Mai, returning Tue, Oct 28, priced at $1,138 found 3 days ago
Delta
Mon, Oct 20 - Wed, Oct 29
CHS
Charleston
CNX
Chiang Mai
$1,220 Roundtrip, found 1 day ago
$1,220
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Oct 20 from Charleston to Chiang Mai, returning Wed, Oct 29, priced at $1,220 found 1 day ago
JetBlue Airways
Sat, Nov 15 - Thu, Dec 4
CHS
Charleston
CNX
Chiang Mai
$1,226 Roundtrip, found 1 day ago
$1,226
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Sat, Nov 15 from Charleston to Chiang Mai, returning Thu, Dec 4, priced at $1,226 found 1 day ago
Alaska Airlines
Sat, Oct 18 - Wed, Oct 22
CHS
Charleston
CNX
Chiang Mai
$1,231 Roundtrip, found 4 days ago
$1,231
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Oct 18 from Charleston to Chiang Mai, returning Wed, Oct 22, priced at $1,231 found 4 days ago
Alaska Airlines
Mon, Nov 10 - Mon, Nov 17
CHS
Charleston
CNX
Chiang Mai
$1,233 Roundtrip, found 4 days ago
$1,233
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Nov 10 from Charleston to Chiang Mai, returning Mon, Nov 17, priced at $1,233 found 4 days ago
Alaska Airlines
Tue, Jan 6 - Thu, Jan 15
CHS
Charleston
CNX
Chiang Mai
$1,246 Roundtrip, found 3 days ago
$1,246
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Jan 6 from Charleston to Chiang Mai, returning Thu, Jan 15, priced at $1,246 found 3 days ago
Delta
Fri, Oct 17 - Sat, Nov 1
CHS
Charleston
CNX
Chiang Mai
$1,290 Roundtrip, found 1 day ago
$1,290
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Oct 17 from Charleston to Chiang Mai, returning Sat, Nov 1, priced at $1,290 found 1 day ago
United
Tue, Nov 11 - Sun, Nov 16
CHS
Charleston
CNX
Chiang Mai
$1,304 Roundtrip, found 10 hours ago
$1,304
Roundtrip
found 10 hours ago
Select United flight, departing Tue, Nov 11 from Charleston to Chiang Mai, returning Sun, Nov 16, priced at $1,304 found 10 hours ago
Korean Air
Fri, Jan 30 - Mon, Feb 2
CHS
Charleston
CNX
Chiang Mai
$1,805 Roundtrip, found 7 hours ago
$1,805
Roundtrip
found 7 hours ago
Select Korean Air flight, departing Fri, Jan 30 from Charleston to Chiang Mai, returning Mon, Feb 2, priced at $1,805 found 7 hours ago

Alternative airports near Chiang Mai

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Chiang Mai Intl. CNX. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $1,450
CNX
Chiang Mai Intl.
CheapestClosest
Average driving time to city center10 min
Flights from $1,450
Flights from Charleston (CHS) to Chiang Mai (CNX)
Origin airport
Charleston Intl.
Destination airport
Chiang Mai Intl.
Airlines serving
Delta, Korean Air
Roundtrip price
$1,128
Distance
8866 mi

Charleston to Chiang Mai Flights

The cheapest times to fly from Charleston to Chiang Mai

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 Chiang Mai are during the month of October. You can find some of the cheapest flights from Charleston to Chiang Mai with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Charleston to Chiang Mai

Sunday is one of the best days to book for cheap flights from Charleston to Chiang Mai: 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 Chiang Mai

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 Chiang Mai in 2025. You can also book with separate airlines for your outbound and return journeys, from $547 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 Chiang Mai 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 Chiang Mai 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 Chiang Mai Intl. Airport (CNX) cost?
Grab a cheap one-way flight from $547 or cheap return flight from $1,129 from Charleston Intl. Airport (CHS) to Chiang Mai Intl. Airport (CNX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Charleston Intl. Airport (CHS) to Chiang Mai Intl. Airport (CNX)?
October is the cheapest month to fly from CHS to CNX. Avoiding peak travel times is often the key to scoring lower fares.
What is the cheapest airline that flies from Charleston Intl. Airport (CHS) to Chiang Mai Intl. Airport (CNX)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest CHS to CNX flight.
How many flights per day from Charleston Intl. Airport (CHS) to Chiang Mai Intl. Airport (CNX)?
There are no daily direct flights departing from Charleston Intl. Airport (CHS) to Chiang Mai Intl. Airport (CNX). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from CHS to CNX?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change 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 Chiang Mai Intl. Airport (CNX)?
Choose a flight from Charleston Intl. Airport (CHS) to Chiang Mai Intl. Airport (CNX) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures later than this have a 22% higher chance of being canceled, on average.**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 Chiang Mai Intl. Airport (CNX) last-minute?
Holding off until just before your trip to book a ticket from CHS to CNX often results in higher prices. Although you may find some last-minute offers, there's no guarantee. Allow some flexibility in your schedule for a better chance of landing a bargain.
Is it cheaper to book a CHS to CNX flight and hotel package?
Booking a CHS to CNX flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Pick from our wide range of hotels and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Charleston Intl. Airport (CHS) to Chiang Mai Intl. Airport (CNX)?
If you reserved your CHS to CNX flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

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*Available to One Key members.