What are the cheapest airlines flying from Missoula to Charleston round-trip?

American Airlines, at $337, was found to be the cheapest airline from Missoula to Charleston. An alternate airline flying to your destination would be United Airlines. American Airlines is 39% cheaper than the average price of flights available within the next 90 days to this destination.

In terms of precipitation, rainfall in Charleston ranges from 2.4 - 7.2 inches per month. August is typically the wettest month, when rainfall can reach 7.2 in. November is typically the driest time to visit Charleston when rainfall is around 2.4 in.

If weather is an important factor for your trip to Charleston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

What is the cheapest time of day to fly from MSO to CHS?

When flying from Missoula to Charleston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Missoula-Charleston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Missoula-Charleston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Missoula-Charleston flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Missoula-Charleston flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Missoula-Charleston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Missoula to Charleston that include hotel bookings?

Yes. In addition to deals on Missoula to Charleston flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Missoula to Charleston?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missoula to Charleston.

Can I find deals for business class flights from Missoula to Charleston?

Yes. Cheapflights offers flight deals from Missoula to Charleston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Find flight deals from Missoula to Charleston

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Popular in	December
Cheapest in	July
Average price	$484

Provider with most accurate pricing for Missoula Johnson-Bell Field-Charleston flight deals.

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Provider most trusted by Cheapflights users for Missoula Johnson-Bell Field-Charleston flights.

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Highest demand for flights based on searches. 11% potential increase in price ($72 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($28 potential savings vs. average RT price).

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Average for round-trip flights in March 2026

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Most accurate provider: When it comes to deals on Missoula-Charleston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Missoula-Charleston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Missoula-Charleston flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Missoula-Charleston flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Missoula-Charleston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Missoula to Charleston

Have a flexible travel schedule? Discover the best time to fly to Charleston from Missoula with our price prediction graph.

MSO-CHS

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 Missoula to Charleston

What is the cheapest month to book a flight from Missoula to Charleston?

Currently, October is the cheapest month in which you can book a flight from Missoula to Charleston (average of $308). Flying from Missoula to Charleston in June is currently the most expensive (average of $659). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Charleston

Read reviews from past customers who have flown United Airlines and American Airlines from Missoula to Charleston. 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.

United Airlines

7.4

Good

9,418 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

United Airlines

7.4

Good

9,418 reviews

United Airlines

7.4

Good

9,418 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

American Airlines

7.1

Good

11,448 reviews

United Airlines

7.4

Good

9,418 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

What are the cheapest airlines flying from Missoula to Charleston round-trip?
American Airlines, at $337, was found to be the cheapest airline from Missoula to Charleston. An alternate airline flying to your destination would be United Airlines. American Airlines is 39% cheaper than the average price of flights available within the next 90 days to this destination.
Can I find deals for flights from Missoula to Charleston that include hotel bookings?
Yes. In addition to deals on Missoula to Charleston flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Missoula to Charleston?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missoula to Charleston.
Can I find deals for business class flights from Missoula to Charleston?
Yes. Cheapflights offers flight deals from Missoula to Charleston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Missoula to Charleston?
Currently, October is the cheapest month in which you can book a flight from Missoula to Charleston (average of $308). Flying from Missoula to Charleston in June is currently the most expensive (average of $659). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 2 airlines flying from Missoula to Charleston

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$337	Average$578	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$356	Average$659	FlexibilityNo cancel fee	On-time69%

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Cheap flights from Missoula to Charleston (MSO - CHS)

Find cheap flights from Missoula to Charleston with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Missoula to Charleston

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Best time to book a flight from Missoula to Charleston

Have a flexible travel schedule? Discover the best time to fly to Charleston from Missoula with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Missoula to Charleston

What is the cheapest month to book a flight from Missoula to Charleston?

Reviews of airlines servicing Charleston

Read reviews from past customers who have flown United Airlines and American Airlines from Missoula to Charleston. 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.

Related info for your journey

Find useful and relevant information for your journey from Missoula to Charleston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Missoula to Charleston round-trip?

Can I find deals for flights from Missoula to Charleston that include hotel bookings?

How can I find direct flights from Missoula to Charleston?

Can I find deals for business class flights from Missoula to Charleston?

What is the cheapest month to book a flight from Missoula to Charleston?

Traveling to a place near Charleston?

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Alternative routes for Missoula to Charleston

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Other flights to Charleston

Explore flights to Charleston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 13, 2026.

Complete your trip

Complete your trip to Charleston by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Missoula to Charleston by cabin class

Find flights from Missoula to Charleston, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Missoula and Charleston flights

Browse other Missoula and Charleston flight options. Last updated on March 13, 2026.

Other flights from Missoula

Browse through other flights departing from Missoula. Flights are based on user searches made on Cheapflights and were last updated on March 13, 2026.

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Top 2 airlines flying from Missoula to Charleston

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