$210 Cheap Flights from Santa Rosa (STS) to Charleston (CHS)

View $210 flight on Wed, Dec 10, 2025Opens in a new window

Popular airlines from Santa Rosa, CA (STS-Sonoma County) to Charleston Intl. Airport (CHS)

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Cheap Flights from Santa Rosa to Charleston (STS-CHS)

Prices were available within the past 7 days and start at $210 for one-way flights and $443 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri, Feb 20 - Sun, Feb 22
STS
Santa Rosa
CHS
Charleston
$443 Roundtrip, found 6 days ago
$443
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri, Feb 20 from Santa Rosa to Charleston, returning Sun, Feb 22, priced at $443 found 6 days ago
Alaska Airlines
Fri, Feb 20 - Sun, Feb 22
STS
Santa Rosa
CHS
Charleston
$472 Roundtrip, found 6 days ago
$472
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri, Feb 20 from Santa Rosa to Charleston, returning Sun, Feb 22, priced at $472 found 6 days ago
Alaska Airlines
Fri, Feb 20 - Sun, Feb 22
STS
Santa Rosa
CHS
Charleston
$476 Roundtrip, found 6 days ago
$476
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri, Feb 20 from Santa Rosa to Charleston, returning Sun, Feb 22, priced at $476 found 6 days ago
Alaska Airlines
Fri, Feb 20 - Sun, Feb 22
STS
Santa Rosa
CHS
Charleston
$487 Roundtrip, found 6 days ago
$487
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri, Feb 20 from Santa Rosa to Charleston, returning Sun, Feb 22, priced at $487 found 6 days ago
Alaska Airlines
Fri, Feb 20 - Sun, Feb 22
STS
Santa Rosa
CHS
Charleston
$492 Roundtrip, found 6 days ago
$492
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri, Feb 20 from Santa Rosa to Charleston, returning Sun, Feb 22, priced at $492 found 6 days ago
Alaska Airlines
Fri, Feb 20 - Sun, Feb 22
STS
Santa Rosa
CHS
Charleston
$501 Roundtrip, found 6 days ago
$501
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri, Feb 20 from Santa Rosa to Charleston, returning Sun, Feb 22, priced at $501 found 6 days ago
Southwest Airlines
Mon, May 18 - Thu, May 28
STS
Santa Rosa
CHS
Charleston
$509 Roundtrip, found 2 days ago
$509
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Mon, May 18 from Santa Rosa to Charleston, returning Thu, May 28, priced at $509 found 2 days ago
Southwest Airlines
Mon, May 18 - Thu, May 28
STS
Santa Rosa
CHS
Charleston
$520 Roundtrip, found 2 days ago
$520
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Mon, May 18 from Santa Rosa to Charleston, returning Thu, May 28, priced at $520 found 2 days ago
Alaska Airlines
Fri, Feb 20 - Sun, Feb 22
STS
Santa Rosa
CHS
Charleston
$547 Roundtrip, found 6 days ago
$547
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri, Feb 20 from Santa Rosa to Charleston, returning Sun, Feb 22, priced at $547 found 6 days ago
American Airlines
Mon, May 18 - Thu, May 28
STS
Santa Rosa
CHS
Charleston
$569 Roundtrip, found 2 days ago
$569
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, May 18 from Santa Rosa to Charleston, returning Thu, May 28, priced at $569 found 2 days ago

Frequently asked questions

How much does a flight from Sonoma County Airport (STS) to Charleston Intl. Airport (CHS) cost?
Snag a cheap one-way flight from $210 or cheap return flight from $443 from Sonoma County Airport (STS) to Charleston Intl. Airport (CHS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Sonoma County Airport (STS) to Charleston Intl. Airport (CHS)?
Planning your getaway for February is a great way to save, as it's the cheapest month for flights between STS and CHS. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Sonoma County Airport (STS) to Charleston Intl. Airport (CHS)?
To find the cheapest airline that'll fly you from STS to CHS, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Sonoma County Airport (STS) to Charleston Intl. Airport (CHS)?
Direct flights from Sonoma County Airport (STS) to Charleston Intl. Airport (CHS) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STS to CHS?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can change based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sonoma County Airport (STS) to Charleston Intl. Airport (CHS)?
Book a flight from Sonoma County Airport (STS) to Charleston Intl. Airport (CHS) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this time 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 Sonoma County Airport (STS) to Charleston Intl. Airport (CHS) last-minute?
Last-minute fares from STS to CHS are typically more expensive. To lock in the cheapest rates, start searching for flights as early as possible. That said, if you can play around with your travel dates, you may land a cheap fare right before your trip.
Is it cheaper to book a STS to CHS flight and hotel package?
You can save money by securing a STS to CHS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've chosen your preferred accommodations and flights, you can add extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Sonoma County Airport (STS) to Charleston Intl. Airport (CHS)?
Typically, it's possible to reschedule or cancel your STS to CHS flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Sonoma County
Destination airport
Charleston Intl.
Roundtrip price
$443
Distance
2409 mi

Book with confidence

Santa Rosa to Charleston Flights

The cheapest times to fly from Santa Rosa to Charleston

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

 

The best time to book a flight from Santa Rosa to Charleston

Sunday is one of the best days to book for cheap flights from Santa Rosa to Charleston: 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 Santa Rosa to Charleston

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 Santa Rosa to Charleston in 2025. You can also book with separate airlines for your outbound and return journeys, from $210 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 Santa Rosa to Charleston 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 Santa Rosa to Charleston 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.

 

Santa Rosa to Charleston Flights

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*Available to One Key members.