How do I get Price Alerts for flights from Helena to South Dakota?

Search flight deals from Helena to South Dakota . While viewing offers you’ll have the option to create a Price Alert.

How can I save money on flights from Helena to South Dakota with momondo?

With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

How does momondo find its flight prices?

We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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.

$439 Cheap Flights from Helena to South Dakota in 2026/27

Find the cheapest flights from Helena to South Dakota

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:27 pm - 8:37 pmHLN Helena-FSD Sioux Falls Joe Foss Field

5h 10m1 stop Denver Intl

5:13 pm - 9:32 pmFSD Sioux Falls Joe Foss Field-HLN Helena

5h 19m1 stop Denver Intl

$439United Airlines

Sat, Jan 23 - Tue, Jan 26

6:15 am - 12:25 pmHLN Helena-FSD Sioux Falls Joe Foss Field

5h 10m1 stop Denver Intl

5:13 pm - 9:32 pmFSD Sioux Falls Joe Foss Field-HLN Helena

5h 19m1 stop Denver Intl

$439United Airlines

Sat, Jan 30 - Tue, Feb 2

6:15 am - 6:38 pmHLN Helena-FSD Sioux Falls Joe Foss Field

11h 23m2 stops Denver Intl Chicago O'Hare Intl

5:13 pm - 9:32 pmFSD Sioux Falls Joe Foss Field-HLN Helena

5h 19m1 stop Denver Intl

$444United Airlines

Sat, Jan 23 - Tue, Jan 26

2:27 pm - 8:37 pmHLN Helena-FSD Sioux Falls Joe Foss Field

5h 10m1 stop Denver Intl

9:45 am - 9:32 pmFSD Sioux Falls Joe Foss Field-HLN Helena

12h 47m2 stops Chicago O'Hare Intl Denver Intl

$444United Airlines

Sat, Jan 30 - Tue, Feb 2

6:15 am - 6:38 pmHLN Helena-FSD Sioux Falls Joe Foss Field

11h 23m2 stops Denver Intl Chicago O'Hare Intl

11:19 am - 9:32 pmFSD Sioux Falls Joe Foss Field-HLN Helena

11h 13m2 stops Chicago O'Hare Intl Denver Intl

$449United Airlines

Sat, Jan 23 - Tue, Jan 26

6:15 am - 12:25 pmHLN Helena-FSD Sioux Falls Joe Foss Field

5h 10m1 stop Denver Intl

5:13 pm - 9:32 pmFSD Sioux Falls Joe Foss Field-HLN Helena

5h 19m1 stop Denver Intl

$459United Airlines

Sat, Jan 30 - Tue, Feb 2

2:27 pm - 8:37 pmHLN Helena-FSD Sioux Falls Joe Foss Field

5h 10m1 stop Denver Intl

9:45 am - 9:32 pmFSD Sioux Falls Joe Foss Field-HLN Helena

12h 47m2 stops Chicago O'Hare Intl Denver Intl

$464United Airlines

Sat, Jan 30 - Tue, Feb 2

1:08 pm - 11:22 pmHLN Helena-FSD Sioux Falls Joe Foss Field

9h 14m2 stops Salt Lake City Minneapolis St Paul

5:10 am - 12:28 pmFSD Sioux Falls Joe Foss Field-HLN Helena

8h 18m2 stops Minneapolis St Paul Salt Lake City

$983Delta

Sun, Oct 25 - Thu, Oct 29

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United Airlines flights from Helena to South Dakota

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

United Airlines

Jan 30

HLN6:15 amHelena

5h 10m

1 stop

FSD12:25 pmSioux Falls Joe Foss Field

Feb 2

FSD5:13 pmSioux Falls Joe Foss Field

5h 19m

1 stop

HLN9:32 pmHelena

$439

United Airlines

Jan 30

HLN2:27 pmHelena

5h 10m

1 stop

FSD8:37 pmSioux Falls Joe Foss Field

Feb 2

FSD9:45 amSioux Falls Joe Foss Field

12h 47m

2 stops

HLN9:32 pmHelena

$444

United Airlines

Jan 23

HLN6:15 amHelena

11h 23m

2 stops

FSD6:38 pmSioux Falls Joe Foss Field

Jan 26

FSD11:19 amSioux Falls Joe Foss Field

11h 13m

2 stops

HLN9:32 pmHelena

$449

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

HelenaSioux Falls

HLN Helena - FSD Sioux Falls Joe Foss Field

HLNFSD

Helena

Sat 1/23

2:27 pm-8:37 pm

1 stop5h 10m

Sioux Falls Joe Foss Field

Tue 1/26

5:13 pm-9:32 pm

1 stop5h 19m

$439

HelenaSioux Falls

HLN Helena - FSD Sioux Falls Joe Foss Field

HLNFSD

Helena

Sat 1/30

6:15 am-12:25 pm

1 stop5h 10m

Sioux Falls Joe Foss Field

Tue 2/2

5:13 pm-9:32 pm

1 stop5h 19m

$439

HelenaSioux Falls

HLN Helena - FSD Sioux Falls Joe Foss Field

HLNFSD

Helena

Sat 1/23

6:15 am-6:38 pm

2 stops11h 23m

Sioux Falls Joe Foss Field

Tue 1/26

5:13 pm-9:32 pm

1 stop5h 19m

$444

HelenaSioux Falls

HLN Helena - FSD Sioux Falls Joe Foss Field

HLNFSD

Helena

Sat 1/30

2:27 pm-8:37 pm

1 stop5h 10m

Sioux Falls Joe Foss Field

Tue 2/2

9:45 am-9:32 pm

2 stops12h 47m

$444

HelenaSioux Falls

HLN Helena - FSD Sioux Falls Joe Foss Field

HLNFSD

Helena

Sat 1/23

6:15 am-6:38 pm

2 stops11h 23m

Sioux Falls Joe Foss Field

Tue 1/26

11:19 am-9:32 pm

2 stops11h 13m

$449

HelenaSioux Falls

HLN Helena - FSD Sioux Falls Joe Foss Field

HLNFSD

Helena

Sat 1/30

6:15 am-12:25 pm

1 stop5h 10m

Sioux Falls Joe Foss Field

Tue 2/2

5:13 pm-9:32 pm

1 stop5h 19m

$459

HelenaSioux Falls

HLN Helena - FSD Sioux Falls Joe Foss Field

HLNFSD

Helena

Sat 1/30

2:27 pm-8:37 pm

1 stop5h 10m

Sioux Falls Joe Foss Field

Tue 2/2

9:45 am-9:32 pm

2 stops12h 47m

$464

HelenaSioux Falls

HLN Helena - FSD Sioux Falls Joe Foss Field

HLNFSD

Helena

Sun 10/25

1:08 pm-11:22 pm

2 stops9h 14m

Sioux Falls Joe Foss Field

Thu 10/29

5:10 am-12:28 pm

2 stops8h 18m

$983

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Best Price Found	$439
Fastest flight time	5h 10m
Direct flights	None

The best flight deal from Helena to South Dakota found on momondo in the last 72 hours is $439

The fastest flight from Helena to South Dakota takes 5h 10m

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

Search flight deals

Frequently asked questions about flying from Helena to South Dakota

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.

Frequently asked questions about flying from Helena to South Dakota

How do I get Price Alerts for flights from Helena to South Dakota?
Search flight deals from Helena to South Dakota. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Helena to South Dakota with momondo?
With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.
How does momondo find its flight prices?
We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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.