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Cheap flights from Helena to Charleston from $267

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to Charleston departing on 4/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Helena to Charleston

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:15 am - 9:27 pm
HLN
-
CHS
13h 12m
2 stops
United Airlines Logo
4:05 pm - 9:16 pm
CHS
-
HLN
7h 11m
1 stop
$544United Airlines
Tue, Feb 17 - Sat, Feb 21
United Airlines Logo
6:15 am - 9:27 pm
HLN
-
CHS
13h 12m
2 stops
United Airlines Logo
6:00 am - 1:40 pm
CHS
-
HLN
9h 40m
2 stops
$549United Airlines
Tue, Feb 17 - Sat, Feb 21
Alaska Airlines Logo
6:22 pm - 5:53 pm
HLN
-
CHS
21h 31m
1 stop
Alaska Airlines Logo
6:53 pm - 5:45 pm
CHS
-
HLN
24h 52m
1 stop
$550Alaska Airlines
Sat, Mar 28 - Fri, Apr 3
Alaska Airlines Logo
4:36 pm - 5:32 pm
HLN
-
CHS
22h 56m
1 stop
Alaska Airlines Logo
6:32 pm - 3:59 pm
CHS
-
HLN
23h 27m
1 stop
$566Alaska Airlines
Tue, Feb 17 - Sat, Feb 21
United Airlines Logo
6:15 am - 3:01 pm
HLN
-
CHS
6h 46m
1 stop
United Airlines Logo
4:05 pm - 9:16 pm
CHS
-
HLN
7h 11m
1 stop
$652United Airlines
Tue, Feb 17 - Sat, Feb 21
Alaska Airlines Logo
6:22 pm - 11:56 am
HLN
-
CHS
15h 34m
2 stops
Alaska Airlines Logo
6:53 pm - 5:45 pm
CHS
-
HLN
24h 52m
1 stop
$715Alaska Airlines
Sat, Mar 28 - Fri, Apr 3
Alaska Airlines Logo
6:22 pm - 11:56 am
HLN
-
CHS
15h 34m
2 stops
Alaska Airlines Logo
12:25 pm - 5:45 pm
CHS
-
HLN
31h 20m
2 stops
$785Alaska Airlines
Sat, Mar 28 - Fri, Apr 3

United Airlines flights from Helena to Charleston

Our best United Airlines deals on Helena to Charleston flight tickets
United Airlines
Feb 17
HLN6:15 amHelena
13h 12m
2 stops
CHS9:27 pmCharleston
Feb 21
CHS4:05 pmCharleston
7h 11m
1 stop
HLN9:16 pmHelena
$544
United Airlines
Feb 17
HLN6:15 amHelena
13h 12m
2 stops
CHS9:27 pmCharleston
Feb 21
CHS6:00 amCharleston
9h 40m
2 stops
HLN1:40 pmHelena
$549
United Airlines
Feb 17
HLN6:15 amHelena
6h 46m
1 stop
CHS3:01 pmCharleston
Feb 21
CHS4:05 pmCharleston
7h 11m
1 stop
HLN9:16 pmHelena
$652

Alaska Airlines flights from Helena to Charleston

Our best Alaska Airlines deals on Helena to Charleston flight tickets
Alaska Airlines
Mar 28
HLN6:22 pmHelena
21h 31m
1 stop
CHS5:53 pmCharleston
Apr 3
CHS6:53 pmCharleston
24h 52m
1 stop
HLN5:45 pmHelena
$550
Alaska Airlines
Feb 17
HLN4:36 pmHelena
22h 56m
1 stop
CHS5:32 pmCharleston
Feb 21
CHS6:32 pmCharleston
23h 27m
1 stop
HLN3:59 pmHelena
$566
Alaska Airlines
Mar 28
HLN6:22 pmHelena
15h 34m
2 stops
CHS11:56 amCharleston
Apr 3
CHS6:53 pmCharleston
24h 52m
1 stop
HLN5:45 pmHelena
$715

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 February 4, 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

HelenaCharleston

HLN - CHS

HLNCHS

Helena

Tue 2/17

6:15 am-9:27 pm

2 stops13h 12m

Charleston

Sat 2/21

4:05 pm-9:16 pm

1 stop7h 11m

$544

HelenaCharleston

HLN - CHS

HLNCHS

Helena

Tue 2/17

6:15 am-9:27 pm

2 stops13h 12m

Charleston

Sat 2/21

6:00 am-1:40 pm

2 stops9h 40m

$549

HelenaCharleston

HLN - CHS

HLNCHS

Helena

Sat 3/28

6:22 pm-5:53 pm

1 stop21h 31m

Charleston

Fri 4/3

6:53 pm-5:45 pm

1 stop24h 52m

$550

HelenaCharleston

HLN - CHS

HLNCHS

Helena

Tue 2/17

4:36 pm-5:32 pm

1 stop22h 56m

Charleston

Sat 2/21

6:32 pm-3:59 pm

1 stop23h 27m

$566

HelenaCharleston

HLN - CHS

HLNCHS

Helena

Tue 2/17

6:15 am-3:01 pm

1 stop6h 46m

Charleston

Sat 2/21

4:05 pm-9:16 pm

1 stop7h 11m

$652

HelenaCharleston

HLN - CHS

HLNCHS

Helena

Sat 3/28

6:22 pm-11:56 am

2 stops15h 34m

Charleston

Fri 4/3

6:53 pm-5:45 pm

1 stop24h 52m

$715

HelenaCharleston

HLN - CHS

HLNCHS

Helena

Sat 3/28

6:22 pm-11:56 am

2 stops15h 34m

Charleston

Fri 4/3

12:25 pm-5:45 pm

2 stops31h 20m

$785

HelenaCharleston

HLN - CHS

HLNCHS

Helena

Wed 4/15

5:40 am-6:04 pm

2 stops10h 24m

$267

HelenaCharleston

HLN - CHS

HLNCHS

Helena

Wed 4/15

6:15 am-3:01 pm

1 stop6h 46m

$408

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 is the cheapest airline that flies from Helena to Charleston?

Delta and United Airlines are the most popular carriers operating from Helena to Charleston

What airlines fly to Charleston?

United Airlines, Delta and American Airlines 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 35% of people opting to fly with this airline when traveling to Charleston. Keep in mind that there are 3 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

6h 20m

Direct flights

None
The fastest flight from Helena to Charleston takes 6h 20m
There are no direct flights from Helena to Charleston. There are no popular flight routes from Helena to Charleston.
Search flight deals

  • 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 6h 20m, 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
Isle of Palms
Kiawah Island
North Charleston
Summerville
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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