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Cheap flights from Helena to Charleston from $473

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to Charleston departing on 10/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Helena to Charleston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
4:48 pm - 5:58 pm
HLN
-
CHS
23h 10m
1 stop
Alaska Airlines Logo
6:59 pm - 4:11 pm
CHS
-
HLN
23h 12m
1 stop
$473Alaska Airlines
Thu, Oct 8 - Mon, Oct 12
Alaska Airlines Logo
4:08 pm - 5:18 pm
HLN
-
CHS
23h 10m
1 stop
Alaska Airlines Logo
6:14 pm - 3:31 pm
CHS
-
HLN
23h 17m
1 stop
$643Alaska Airlines
Sat, Dec 12 - Tue, Dec 15
Delta Logo
12:55 pm - 12:26 am
HLN
-
CHS
9h 31m
2 stops
Delta Logo
10:40 am - 10:39 pm
CHS
-
HLN
13h 59m
2 stops
$725Delta
Tue, Jul 21 - Sat, Jul 25
United Airlines Logo
7:00 am - 11:19 pm
HLN
-
CHS
14h 19m
2 stops
United Airlines Logo
7:40 pm - 8:59 pm
CHS
-
HLN
27h 19m
2 stops
$752United Airlines
Sat, Dec 12 - Tue, Dec 15
United Airlines Logo
7:00 am - 11:19 pm
HLN
-
CHS
14h 19m
2 stops
United Airlines Logo
4:00 pm - 8:59 pm
CHS
-
HLN
6h 59m
1 stop
$785United Airlines
Sat, Dec 12 - Tue, Dec 15
United Airlines Logo
7:00 am - 11:19 pm
HLN
-
CHS
14h 19m
2 stops
United Airlines Logo
4:00 pm - 8:59 pm
CHS
-
HLN
6h 59m
1 stop
$795United Airlines
Sat, Dec 12 - Tue, Dec 15
United Airlines Logo
2:30 pm - 10:27 am
HLN
-
CHS
17h 57m
3 stops
United Airlines Logo
7:40 pm - 8:59 pm
CHS
-
HLN
27h 19m
2 stops
$805United Airlines
Sat, Dec 12 - Tue, Dec 15
Alaska Airlines Logo
4:48 pm - 11:03 am
HLN
-
CHS
16h 15m
2 stops
Alaska Airlines Logo
6:59 pm - 4:11 pm
CHS
-
HLN
23h 12m
1 stop
$817Alaska Airlines
Thu, Oct 8 - Mon, Oct 12
Alaska Airlines Logo
5:09 pm - 4:58 pm
HLN
-
CHS
21h 49m
1 stop
Alaska Airlines Logo
6:01 pm - 4:32 pm
CHS
-
HLN
24h 31m
1 stop
$959Alaska Airlines
Tue, Jul 21 - Sat, Jul 25
Alaska Airlines Logo
5:09 pm - 11:54 am
HLN
-
CHS
16h 45m
2 stops
Alaska Airlines Logo
6:01 pm - 4:32 pm
CHS
-
HLN
24h 31m
1 stop
$998Alaska Airlines
Tue, Jul 21 - Sat, Jul 25

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Alaska Airlines flights from Helena to Charleston

Our best Alaska Airlines deals on Helena to Charleston flight tickets
Alaska Airlines
Oct 8
HLN4:48 pmHelena
23h 10m
1 stop
CHS5:58 pmCharleston
Oct 12
CHS6:59 pmCharleston
23h 12m
1 stop
HLN4:11 pmHelena
$473
Alaska Airlines
Dec 12
HLN4:08 pmHelena
23h 10m
1 stop
CHS5:18 pmCharleston
Dec 15
CHS6:14 pmCharleston
23h 17m
1 stop
HLN3:31 pmHelena
$643
Alaska Airlines
Oct 8
HLN4:48 pmHelena
16h 15m
2 stops
CHS11:03 amCharleston
Oct 12
CHS6:59 pmCharleston
23h 12m
1 stop
HLN4:11 pmHelena
$817

United Airlines flights from Helena to Charleston

Our best United Airlines deals on Helena to Charleston flight tickets
United Airlines
Dec 12
HLN7:00 amHelena
14h 19m
2 stops
CHS11:19 pmCharleston
Dec 15
CHS7:40 pmCharleston
27h 19m
2 stops
HLN8:59 pmHelena
$752
United Airlines
Dec 12
HLN7:00 amHelena
14h 19m
2 stops
CHS11:19 pmCharleston
Dec 15
CHS4:00 pmCharleston
6h 59m
1 stop
HLN8:59 pmHelena
$785
United Airlines
Dec 12
HLN7:00 amHelena
14h 19m
2 stops
CHS11:19 pmCharleston
Dec 15
CHS4:00 pmCharleston
6h 59m
1 stop
HLN8:59 pmHelena
$795

momondo Fare Finder

 
Customize your flight search to find flights from Helena to Charleston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 10, 2026.
Use the filters below to find and compare flights from Helena to Charleston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelenaCharleston

HLN - CHS

HLNCHS

Helena

Thu 10/8

4:48 pm-5:58 pm

1 stop23h 10m

Charleston

Mon 10/12

6:59 pm-4:11 pm

1 stop23h 12m

$473

HelenaCharleston

HLN - CHS

HLNCHS

Helena

Sat 12/12

4:08 pm-5:18 pm

1 stop23h 10m

Charleston

Tue 12/15

6:14 pm-3:31 pm

1 stop23h 17m

$643

HelenaCharleston

HLN - CHS

HLNCHS

Helena

Tue 7/21

12:55 pm-12:26 am

2 stops9h 31m

Charleston

Sat 7/25

10:40 am-10:39 pm

2 stops13h 59m

$725

HelenaCharleston

HLN - CHS

HLNCHS

Helena

Sat 12/12

7:00 am-11:19 pm

2 stops14h 19m

Charleston

Tue 12/15

7:40 pm-8:59 pm

2 stops27h 19m

$752
Quickest round-trip

HelenaCharleston

HLN - CHS

HLNCHS

Helena

Sat 12/12

7:00 am-11:19 pm

2 stops14h 19m

Charleston

Tue 12/15

4:00 pm-8:59 pm

1 stop6h 59m

$785

HelenaCharleston

HLN - CHS

HLNCHS

Helena

Sat 12/12

7:00 am-11:19 pm

2 stops14h 19m

Charleston

Tue 12/15

4:00 pm-8:59 pm

1 stop6h 59m

$795

HelenaCharleston

HLN - CHS

HLNCHS

Helena

Sat 12/12

2:30 pm-10:27 am

3 stops17h 57m

Charleston

Tue 12/15

7:40 pm-8:59 pm

2 stops27h 19m

$805

HelenaCharleston

HLN - CHS

HLNCHS

Helena

Thu 10/8

4:48 pm-11:03 am

2 stops16h 15m

Charleston

Mon 10/12

6:59 pm-4:11 pm

1 stop23h 12m

$817

HelenaCharleston

HLN - CHS

HLNCHS

Helena

Tue 7/21

5:09 pm-4:58 pm

1 stop21h 49m

Charleston

Sat 7/25

6:01 pm-4:32 pm

1 stop24h 31m

$959

HelenaCharleston

HLN - CHS

HLNCHS

Helena

Tue 7/21

5:09 pm-11:54 am

2 stops16h 45m

Charleston

Sat 7/25

6:01 pm-4:32 pm

1 stop24h 31m

$998

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Charleston from

How to get the cheapest flight ticket from Helena to Charleston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to Charleston?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Charleston from Helena according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Charleston. Keep in mind that there are 4 different airlines that fly to Charleston on a routine basis, so you have a few additional options to choose from.

When to book flights from Helena to Charleston

Are you open to changing your travel dates? Check out the ideal times to fly from Helena to Charleston according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Helena to Charleston (HLN to CHS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helena to Charleston

Fastest flight time

14h 19m

Direct flights

None
The fastest flight from Helena to Charleston takes 14h 19m
There are no direct flights from Helena to Charleston. There are no popular flight routes from Helena to Charleston.
Search flight deals

Frequently asked questions about flying from Helena to Charleston

  • How far is Helena to Charleston by plane?

    The straight-line distance from Helena to Charleston is 1935.3 mi. Flights usually cover this in 14h 19m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Helena Airport to Charleston Airport?

    Prices for flights from Helena Airport to Charleston Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Helena Airport to Charleston Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Helena Airport to Charleston Airport.

  • What documentation or ID do you need to fly to Charleston Airport?

    The travel and health documents required for your trip to Charleston Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Charleston Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Charleston?

Book flights to Charleston if you plan to visit one of these locations
Folly Beach
North Charleston
Isle of Palms
Summerville
Kiawah Island
Mount Pleasant
Edisto Island
Santee
Walterboro
Goose Creek
Edisto Beach
Seabrook Island

Why use momondo?

Why should I use momondo to find a flight deal from Helena to Charleston?

Finding the right flight to Charleston from Helena is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Charleston quick and easy, saving you time and money.

Can I find flights from Helena to Charleston with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Helena to Charleston flights to just show those with flexible booking policies.

How can momondo help me find flights from Helena to Charleston?

Once all potential Helena to Charleston flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Helena to Charleston right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Helena to Charleston flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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