$212 Cheap Flights from Helena (HLN) to Charleston (CHS)

View $212 flight on Tue, Jan 20, 2026Opens in a new window

Popular airlines from Helena, MT (HLN-Helena Regional) to Charleston Intl. Airport (CHS)

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Cheap Flights from Helena to Charleston (HLN-CHS)

Prices were available within the past 7 days and start at $212 for one-way flights and $285 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Sat, Dec 6 - Tue, Dec 9
HLN
Helena
CHS
Charleston
$285 Roundtrip, found 6 days ago
$285
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Sat, Dec 6 from Helena to Charleston, returning Tue, Dec 9, priced at $285 found 6 days ago
Hawaiian Airlines
Fri, Dec 5 - Tue, Dec 9
HLN
Helena
CHS
Charleston
$296 Roundtrip, found 6 days ago
$296
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Fri, Dec 5 from Helena to Charleston, returning Tue, Dec 9, priced at $296 found 6 days ago
Hawaiian Airlines
Sat, Dec 6 - Mon, Dec 8
HLN
Helena
CHS
Charleston
$298 Roundtrip, found 6 days ago
$298
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Sat, Dec 6 from Helena to Charleston, returning Mon, Dec 8, priced at $298 found 6 days ago
Hawaiian Airlines
Fri, Dec 5 - Mon, Dec 8
HLN
Helena
CHS
Charleston
$310 Roundtrip, found 6 days ago
$310
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Fri, Dec 5 from Helena to Charleston, returning Mon, Dec 8, priced at $310 found 6 days ago
Alaska Airlines
Sat, Dec 6 - Wed, Dec 10
HLN
Helena
CHS
Charleston
$310 Roundtrip, found 6 days ago
$310
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Dec 6 from Helena to Charleston, returning Wed, Dec 10, priced at $310 found 6 days ago
Alaska Airlines
Fri, Dec 5 - Wed, Dec 10
HLN
Helena
CHS
Charleston
$321 Roundtrip, found 6 days ago
$321
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri, Dec 5 from Helena to Charleston, returning Wed, Dec 10, priced at $321 found 6 days ago
Alaska Airlines
Fri, Dec 5 - Sun, Dec 7
HLN
Helena
CHS
Charleston
$335 Roundtrip, found 6 days ago
$335
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri, Dec 5 from Helena to Charleston, returning Sun, Dec 7, priced at $335 found 6 days ago
Alaska Airlines
Wed, Dec 3 - Sun, Dec 7
HLN
Helena
CHS
Charleston
$349 Roundtrip, found 6 days ago
$349
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Wed, Dec 3 from Helena to Charleston, returning Sun, Dec 7, priced at $349 found 6 days ago
United
Tue, Jan 20 - Wed, Jan 28
HLN
Helena
CHS
Charleston
$423 Roundtrip, found 2 days ago
$423
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jan 20 from Helena to Charleston, returning Wed, Jan 28, priced at $423 found 2 days ago
Delta
Sat, Jan 17 - Sat, Jan 31
HLN
Helena
CHS
Charleston
$433 Roundtrip, found 2 days ago
$433
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Jan 17 from Helena to Charleston, returning Sat, Jan 31, priced at $433 found 2 days ago

Alternative airports near Charleston

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

Select flight to Charleston Intl. CHS. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $676
CHS
Charleston Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $676
Flights from Helena (HLN) to Charleston (CHS)
Origin airport
Helena Regional
Destination airport
Charleston Intl.
Airlines serving
Alaska Airlines, Delta, United
Roundtrip price
$284
Distance
1925 mi

Helena to Charleston Flights

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

 

The best time to book a flight from Helena to Charleston

Sunday is one of the best days to book for cheap flights from Helena 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 Helena 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 Helena to Charleston in 2025. You can also book with separate airlines for your outbound and return journeys, from $212 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 Helena 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 Helena 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 Helena Regional Airport (HLN) to Charleston Intl. Airport (CHS) cost?
Get a cheap one-way flight from $212 or cheap return flight from $285 from Helena Regional Airport (HLN) to Charleston Intl. Airport (CHS) 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 Helena Regional Airport (HLN) to Charleston Intl. Airport (CHS)?
Planning your trip for December can help you save, as it's the cheapest month for flights between HLN and CHS. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Helena Regional Airport (HLN) to Charleston Intl. Airport (CHS)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from HLN to CHS. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Helena Regional Airport (HLN) to Charleston Intl. Airport (CHS)?
There aren't any daily nonstop flights departing from Helena Regional Airport (HLN) to Charleston Intl. Airport (CHS). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from HLN to CHS?
You'll usually find Tuesday the quietest day for flights, while Fridays are often 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 Helena Regional Airport (HLN) to Charleston Intl. Airport (CHS)?
Select a flight from Helena Regional Airport (HLN) to Charleston Intl. Airport (CHS) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Later departures are on average 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 Helena Regional Airport (HLN) to Charleston Intl. Airport (CHS) last-minute?
Last-minute bookings from HLN to CHS are generally more expensive. For 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 journey.
Is it cheaper to book a HLN to CHS flight and hotel package?
Opting for a HLN to CHS flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our wide range of accommodations and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Helena Regional Airport (HLN) to Charleston Intl. Airport (CHS)?
Generally, it's possible to cancel or reschedule your HLN to CHS flight. However, if the booking was 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 whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.