When did momondo last update prices for flights from Helena Airport to South Dakota?

Prices for flights from Helena Airport to South Dakota refresh daily.

How old do you have to be to fly from Helena Airport to South Dakota?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Helena Airport to South Dakota.

What documentation or ID do you need to fly to South Dakota?

The necessary travel and health documents for your South Dakota trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$249 Cheap Flights from Helena to South Dakota in 2025/26

1 adult

0 bags

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Find the cheapest flights from Helena to South Dakota

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:27 pm - 8:24 pm

HLN

FSD

4h 57m1 stop

5:18 pm - 9:26 pm

FSD

HLN

5h 08m1 stop

$279United Airlines

Sat, Jan 10 - Wed, Jan 14

2:27 pm - 8:24 pm

HLN

FSD

4h 57m1 stop

11:22 am - 9:26 pm

FSD

HLN

11h 04m2 stops

$347United Airlines

Sat, Jan 10 - Wed, Jan 14

2:25 pm - 8:30 pm

HLN

FSD

5h 05m1 stop

4:57 pm - 9:33 pm

FSD

HLN

5h 36m1 stop

$374United Airlines

Tue, Apr 21 - Sat, Apr 25

2:25 pm - 8:30 pm

HLN

FSD

5h 05m1 stop

11:20 am - 9:33 pm

FSD

HLN

11h 13m2 stops

$453United Airlines

Tue, Apr 21 - Sat, Apr 25

1:10 pm - 11:04 pm

HLN

FSD

8h 54m2 stops

5:00 am - 12:27 pm

FSD

HLN

8h 27m2 stops

$481Delta

Sat, Jan 10 - Wed, Jan 14

2:25 pm - 8:30 pm

HLN

FSD

5h 05m1 stop

9:05 am - 9:33 pm

FSD

HLN

13h 28m1 stop

$573United Airlines

Tue, Apr 21 - Sat, Apr 25

2:25 pm - 10:15 pm

HLN

FSD

30h 50m2 stops

11:20 am - 9:33 pm

FSD

HLN

11h 13m2 stops

$607United Airlines

Tue, Apr 21 - Sat, Apr 25

2:25 pm - 8:30 pm

HLN

FSD

5h 05m1 stop

7:39 am - 9:33 pm

FSD

HLN

14h 54m2 stops

$613United Airlines

Tue, Apr 21 - Sat, Apr 25

2:25 pm - 10:15 pm

HLN

FSD

30h 50m2 stops

7:39 am - 9:33 pm

FSD

HLN

14h 54m2 stops

$768United Airlines

Tue, Apr 21 - Sat, Apr 25

United Airlines flights from Helena to South Dakota

Our best United Airlines deals on Helena to South Dakota flight tickets

United Airlines

Jan 10

HLN2:27 pmHelena

4h 57m

1 stop

FSD8:24 pmSioux Falls Joe Foss Field

Jan 14

FSD5:18 pmSioux Falls Joe Foss Field

5h 08m

1 stop

HLN9:26 pmHelena

$279

Find similar

United Airlines

Jan 10

HLN2:27 pmHelena

4h 57m

1 stop

FSD8:24 pmSioux Falls Joe Foss Field

Jan 14

FSD11:22 amSioux Falls Joe Foss Field

11h 04m

2 stops

HLN9:26 pmHelena

$347

Find similar

United Airlines

Apr 21

HLN2:25 pmHelena

5h 05m

1 stop

FSD8:30 pmSioux Falls Joe Foss Field

Apr 25

FSD4:57 pmSioux Falls Joe Foss Field

5h 36m

1 stop

HLN9:33 pmHelena

$374

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HelenaSioux Falls

HLN - FSD

HLNFSD

Helena

Sat 1/10

2:27 pm-8:24 pm

1 stop4h 57m

Sioux Falls Joe Foss Field

Wed 1/14

5:18 pm-9:26 pm

1 stop5h 08m

$279

HelenaSioux Falls

HLN - FSD

HLNFSD

Helena

Sat 1/10

2:27 pm-8:24 pm

1 stop4h 57m

Sioux Falls Joe Foss Field

Wed 1/14

11:22 am-9:26 pm

2 stops11h 04m

$347

HelenaSioux Falls

HLN - FSD

HLNFSD

Helena

Tue 4/21

2:25 pm-8:30 pm

1 stop5h 05m

Sioux Falls Joe Foss Field

Sat 4/25

4:57 pm-9:33 pm

1 stop5h 36m

$374

HelenaSioux Falls

HLN - FSD

HLNFSD

Helena

Tue 4/21

2:25 pm-8:30 pm

1 stop5h 05m

Sioux Falls Joe Foss Field

Sat 4/25

11:20 am-9:33 pm

2 stops11h 13m

$453

HelenaSioux Falls

HLN - FSD

HLNFSD

Helena

Sat 1/10

1:10 pm-11:04 pm

2 stops8h 54m

Sioux Falls Joe Foss Field

Wed 1/14

5:00 am-12:27 pm

2 stops8h 27m

$481

HelenaSioux Falls

HLN - FSD

HLNFSD

Helena

Tue 4/21

2:25 pm-8:30 pm

1 stop5h 05m

Sioux Falls Joe Foss Field

Sat 4/25

9:05 am-9:33 pm

1 stop13h 28m

$573

HelenaSioux Falls

HLN - FSD

HLNFSD

Helena

Tue 4/21

2:25 pm-10:15 pm

2 stops30h 50m

Sioux Falls Joe Foss Field

Sat 4/25

11:20 am-9:33 pm

2 stops11h 13m

$607

HelenaSioux Falls

HLN - FSD

HLNFSD

Helena

Tue 4/21

2:25 pm-8:30 pm

1 stop5h 05m

Sioux Falls Joe Foss Field

Sat 4/25

7:39 am-9:33 pm

2 stops14h 54m

$613

HelenaSioux Falls

HLN - FSD

HLNFSD

Helena

Tue 4/21

2:25 pm-10:15 pm

2 stops30h 50m

Sioux Falls Joe Foss Field

Sat 4/25

7:39 am-9:33 pm

2 stops14h 54m

$768

HelenaSioux Falls

HLN - FSD

HLNFSD

Helena

Tue 2/3

2:27 pm-8:24 pm

1 stop4h 57m

$249

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

How to get the cheapest flight ticket from Helena to South Dakota

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 South Dakota?

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

Cheap Helena to South Dakota flight deals and tips

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

Fastest flight time	4h 57m
Direct flights	None

The fastest flight from Helena to South Dakota takes 4h 57m

There are no direct flights from Helena to South Dakota. There are no popular flight routes from Helena to South Dakota.

Search flight deals

When did momondo last update prices for flights from Helena Airport to South Dakota?
Prices for flights from Helena Airport to South Dakota refresh daily.
How old do you have to be to fly from Helena Airport to South Dakota?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Helena Airport to South Dakota.
What documentation or ID do you need to fly to South Dakota?
The necessary travel and health documents for your South Dakota trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Helena to South Dakota

Compare and see reviews for airlines that fly from Helena to South Dakota with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $270	Free Cancellation	Rating 7.4 9,113 reviews		Search United Airlines flights

Why use momondo?

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

It is quick and easy to find Helena to South Dakota flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to South Dakota that suits you.

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

Flights from Helena to South Dakota with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Helena to South Dakota?

Once you have performed a search for Helena to South Dakota flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to South Dakota from Helena. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.