$326 Cheap Flights from Butte (BTM) to Charleston (CHS)

View $326 flight on Tue, Oct 7, 2025Opens in a new window

Popular airlines from Butte, MT (BTM-Bert Mooney) to Charleston Intl. Airport (CHS)

Cheap Flights from Butte to Charleston (BTM-CHS)

Prices were available within the past 7 days and start at $326 for one-way flights and $324 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Sep 22 - Sat, Sep 27
BTM
Butte
CHS
Charleston
$324 Roundtrip, found 6 days ago
$324
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Sep 22 from Butte to Charleston, returning Sat, Sep 27, priced at $324 found 6 days ago
United
Tue, Oct 7 - Tue, Oct 14
BTM
Butte
CHS
Charleston
$384 Roundtrip, found 2 days ago
$384
Roundtrip
found 2 days ago
Select United flight, departing Tue, Oct 7 from Butte to Charleston, returning Tue, Oct 14, priced at $384 found 2 days ago
Delta
Mon, Sep 22 - Mon, Sep 29
BTM
Butte
CHS
Charleston
$426 Roundtrip, found 6 days ago
$426
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Sep 22 from Butte to Charleston, returning Mon, Sep 29, priced at $426 found 6 days ago
Delta
Mon, Sep 22 - Fri, Sep 26
BTM
Butte
CHS
Charleston
$438 Roundtrip, found 6 days ago
$438
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Sep 22 from Butte to Charleston, returning Fri, Sep 26, priced at $438 found 6 days ago
United
Tue, Oct 7 - Wed, Oct 15
BTM
Butte
CHS
Charleston
$449 Roundtrip, found 2 days ago
$449
Roundtrip
found 2 days ago
Select United flight, departing Tue, Oct 7 from Butte to Charleston, returning Wed, Oct 15, priced at $449 found 2 days ago
United
Tue, Sep 16 - Sat, Sep 27
BTM
Butte
CHS
Charleston
$454 Roundtrip, found 6 days ago
$454
Roundtrip
found 6 days ago
Select United flight, departing Tue, Sep 16 from Butte to Charleston, returning Sat, Sep 27, priced at $454 found 6 days ago
United
Tue, Sep 16 - Tue, Sep 23
BTM
Butte
CHS
Charleston
$474 Roundtrip, found 6 days ago
$474
Roundtrip
found 6 days ago
Select United flight, departing Tue, Sep 16 from Butte to Charleston, returning Tue, Sep 23, priced at $474 found 6 days ago
Delta
Fri, Sep 19 - Mon, Sep 29
BTM
Butte
CHS
Charleston
$486 Roundtrip, found 6 days ago
$486
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Sep 19 from Butte to Charleston, returning Mon, Sep 29, priced at $486 found 6 days ago
United
Mon, Oct 6 - Tue, Oct 14
BTM
Butte
CHS
Charleston
$491 Roundtrip, found 2 days ago
$491
Roundtrip
found 2 days ago
Select United flight, departing Mon, Oct 6 from Butte to Charleston, returning Tue, Oct 14, priced at $491 found 2 days ago
United
Tue, Oct 7 - Thu, Oct 16
BTM
Butte
CHS
Charleston
$493 Roundtrip, found 2 days ago
$493
Roundtrip
found 2 days ago
Select United flight, departing Tue, Oct 7 from Butte to Charleston, returning Thu, Oct 16, priced at $493 found 2 days ago
Flights from Butte (BTM) to Charleston (CHS)
Origin airport
Bert Mooney
Destination airport
Charleston Intl.
Airlines serving
Delta, United
Roundtrip price
$324
Distance
1935 mi

Butte to Charleston Flights

The cheapest times to fly from Butte 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 Butte to Charleston are during the month of September. You can find some of the cheapest flights from Butte to Charleston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Butte to Charleston

Sunday is one of the best days to book for cheap flights from Butte 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 Butte 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 Butte to Charleston in 2025. You can also book with separate airlines for your outbound and return journeys, from $326 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 Butte 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 Butte 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.

 

Frequently asked questions

How much does a flight from Bert Mooney Airport (BTM) to Charleston Intl. Airport (CHS) cost?
Snag a cheap one-way flight from $326 or cheap return flight from $324 from Bert Mooney Airport (BTM) 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 Bert Mooney Airport (BTM) to Charleston Intl. Airport (CHS)?
The cheapest month to fly from BTM to CHS is September, when demand is low. Off-peak months are often when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Bert Mooney Airport (BTM) to Charleston Intl. Airport (CHS)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest BTM to CHS flight.
How many flights per day from Bert Mooney Airport (BTM) to Charleston Intl. Airport (CHS)?
You'll need to hop on a flight with a layover if you're traveling from Bert Mooney Airport (BTM) to Charleston Intl. Airport (CHS). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from BTM to CHS?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Bert Mooney Airport (BTM) to Charleston Intl. Airport (CHS)?
To arrive at Charleston Intl. Airport (CHS) without delays, opt for a flight that leaves Bert Mooney Airport (BTM) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Bert Mooney Airport (BTM) to Charleston Intl. Airport (CHS) last-minute?
Booking your flight from BTM to CHS shortly before your getaway is generally more expensive. But if there's some wiggle room with your travel times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a BTM to CHS flight and hotel package?
Compared with arranging flights and hotels separately, booking a BTM to CHS flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one place takes the hassle out of planning your trip. Simply secure your flights and choose from our extensive range of hotels, then personalize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Bert Mooney Airport (BTM) to Charleston Intl. Airport (CHS)?
Typically, you're able to reschedule or cancel your BTM to CHS flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you'd like further information, go to our Customer Service portal.

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*Available to One Key members.