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

You can take advantage of momondo’s Price Alerts by first searching for your flights to South Dakota from Helena . Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

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

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

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from South Dakota to Helena Airport.

What documentation or ID do you need to fly to Helena Airport?

The necessary travel and health documents for your Helena Airport 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.

$399 Cheap Flights from South Dakota to Helena in 2026

Find the cheapest flights from South Dakota to Helena

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:35 am - 1:45 pmFSD Sioux Falls Joe Foss Field-HLN Helena

5h 10m1 stop Denver Intl

6:15 am - 12:39 pmHLN Helena-FSD Sioux Falls Joe Foss Field

5h 24m1 stop Denver Intl

$399United Airlines

Sat, Aug 29 - Tue, Sep 1

11:12 am - 9:30 pmFSD Sioux Falls Joe Foss Field-HLN Helena

11h 18m2 stops Chicago O'Hare Intl Denver Intl

6:15 am - 12:39 pmHLN Helena-FSD Sioux Falls Joe Foss Field

5h 24m1 stop Denver Intl

$404United Airlines

Sat, Aug 29 - Tue, Sep 1

11:12 am - 9:30 pmFSD Sioux Falls Joe Foss Field-HLN Helena

11h 18m2 stops Chicago O'Hare Intl Denver Intl

6:15 am - 5:58 pmHLN Helena-FSD Sioux Falls Joe Foss Field

10h 43m2 stops Denver Intl Chicago O'Hare Intl

$409United Airlines

Sat, Aug 29 - Tue, Sep 1

11:12 am - 9:30 pmFSD Sioux Falls Joe Foss Field-HLN Helena

11h 18m2 stops Chicago O'Hare Intl Denver Intl

6:15 am - 5:58 pmHLN Helena-FSD Sioux Falls Joe Foss Field

10h 43m2 stops Denver Intl Chicago O'Hare Intl

$454United Airlines

Sat, Aug 29 - Tue, Sep 1

5:00 pm - 8:59 pmFSD Sioux Falls Joe Foss Field-HLN Helena

4h 59m1 stop Denver Intl

7:00 am - 12:35 pmHLN Helena-FSD Sioux Falls Joe Foss Field

4h 35m1 stop Denver Intl

$528United Airlines

Tue, Feb 2 - Sat, Feb 6

5:00 pm - 8:59 pmFSD Sioux Falls Joe Foss Field-HLN Helena

4h 59m1 stop Denver Intl

2:30 pm - 9:43 pmHLN Helena-FSD Sioux Falls Joe Foss Field

30h 13m2 stops Denver Intl Chicago O'Hare Intl

$568United Airlines

Tue, Feb 2 - Sat, Feb 6

11:20 am - 8:59 pmFSD Sioux Falls Joe Foss Field-HLN Helena

10h 39m2 stops Chicago O'Hare Intl Denver Intl

2:30 pm - 9:43 pmHLN Helena-FSD Sioux Falls Joe Foss Field

30h 13m2 stops Denver Intl Chicago O'Hare Intl

$618United Airlines

Tue, Feb 2 - Sat, Feb 6

5:05 pm - 9:30 pmFSD Sioux Falls Joe Foss Field-HLN Helena

5h 25m1 stop Denver Intl

2:35 pm - 8:07 pmHLN Helena-FSD Sioux Falls Joe Foss Field

4h 32m1 stop Denver Intl

$737United Airlines

Sun, Aug 23 - Thu, Aug 27

9:35 am - 1:45 pmFSD Sioux Falls Joe Foss Field-HLN Helena

5h 10m1 stop Denver Intl

2:35 pm - 10:29 amHLN Helena-FSD Sioux Falls Joe Foss Field

42h 54m2 stops Denver Intl Chicago O'Hare Intl

$892United Airlines

Sun, Aug 23 - Thu, Aug 27

5:05 pm - 9:30 pmFSD Sioux Falls Joe Foss Field-HLN Helena

5h 25m1 stop Denver Intl

2:35 pm - 10:43 amHLN Helena-FSD Sioux Falls Joe Foss Field

19h 08m1 stop Denver Intl

$901United Airlines

Fri, Aug 21 - Mon, Aug 24

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United Airlines flights from South Dakota to Helena

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

United Airlines

Aug 29

FSD9:35 amSioux Falls Joe Foss Field

5h 10m

1 stop

HLN1:45 pmHelena

Sep 1

HLN6:15 amHelena

5h 24m

1 stop

FSD12:39 pmSioux Falls Joe Foss Field

$399

United Airlines

Aug 29

FSD11:12 amSioux Falls Joe Foss Field

11h 18m

2 stops

HLN9:30 pmHelena

Sep 1

HLN6:15 amHelena

5h 24m

1 stop

FSD12:39 pmSioux Falls Joe Foss Field

$404

United Airlines

Aug 29

FSD11:12 amSioux Falls Joe Foss Field

11h 18m

2 stops

HLN9:30 pmHelena

Sep 1

HLN6:15 amHelena

10h 43m

2 stops

FSD5:58 pmSioux Falls Joe Foss Field

$409

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Sioux FallsHelena

FSD Sioux Falls Joe Foss Field - HLN Helena

FSDHLN

Sioux Falls Joe Foss Field

Sat 8/29

9:35 am-1:45 pm

1 stop5h 10m

Helena

Tue 9/1

6:15 am-12:39 pm

1 stop5h 24m

$399

Sioux FallsHelena

FSD Sioux Falls Joe Foss Field - HLN Helena

FSDHLN

Sioux Falls Joe Foss Field

Sat 8/29

11:12 am-9:30 pm

2 stops11h 18m

Helena

Tue 9/1

6:15 am-12:39 pm

1 stop5h 24m

$404

Sioux FallsHelena

FSD Sioux Falls Joe Foss Field - HLN Helena

FSDHLN

Sioux Falls Joe Foss Field

Sat 8/29

11:12 am-9:30 pm

2 stops11h 18m

Helena

Tue 9/1

6:15 am-5:58 pm

2 stops10h 43m

$409

Sioux FallsHelena

FSD Sioux Falls Joe Foss Field - HLN Helena

FSDHLN

Sioux Falls Joe Foss Field

Sat 8/29

11:12 am-9:30 pm

2 stops11h 18m

Helena

Tue 9/1

6:15 am-5:58 pm

2 stops10h 43m

$454

Quickest round-trip

Sioux FallsHelena

FSD Sioux Falls Joe Foss Field - HLN Helena

FSDHLN

Sioux Falls Joe Foss Field

Tue 2/2

5:00 pm-8:59 pm

1 stop4h 59m

Helena

Sat 2/6

7:00 am-12:35 pm

1 stop4h 35m

$528

Sioux FallsHelena

FSD Sioux Falls Joe Foss Field - HLN Helena

FSDHLN

Sioux Falls Joe Foss Field

Tue 2/2

5:00 pm-8:59 pm

1 stop4h 59m

Helena

Sat 2/6

2:30 pm-9:43 pm

2 stops30h 13m

$568

Sioux FallsHelena

FSD Sioux Falls Joe Foss Field - HLN Helena

FSDHLN

Sioux Falls Joe Foss Field

Tue 2/2

11:20 am-8:59 pm

2 stops10h 39m

Helena

Sat 2/6

2:30 pm-9:43 pm

2 stops30h 13m

$618

Sioux FallsHelena

FSD Sioux Falls Joe Foss Field - HLN Helena

FSDHLN

Sioux Falls Joe Foss Field

Sun 8/23

5:05 pm-9:30 pm

1 stop5h 25m

Helena

Thu 8/27

2:35 pm-8:07 pm

1 stop4h 32m

$737

Sioux FallsHelena

FSD Sioux Falls Joe Foss Field - HLN Helena

FSDHLN

Sioux Falls Joe Foss Field

Sun 8/23

9:35 am-1:45 pm

1 stop5h 10m

Helena

Thu 8/27

2:35 pm-10:29 am

2 stops42h 54m

$892

Sioux FallsHelena

FSD Sioux Falls Joe Foss Field - HLN Helena

FSDHLN

Sioux Falls Joe Foss Field

Fri 8/21

5:05 pm-9:30 pm

1 stop5h 25m

Helena

Mon 8/24

2:35 pm-10:43 am

1 stop19h 08m

$901

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap South Dakota to Helena flight deals and tips

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

Fastest flight time	5h 10m
Direct flights	None

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

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

Search flight deals

Frequently asked questions about flying from South Dakota to Helena

When did momondo last update prices for flights from South Dakota to Helena Airport?
Prices for flights from South Dakota to Helena Airport refresh daily.
How old do you have to be to fly from South Dakota to Helena Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from South Dakota to Helena Airport.
What documentation or ID do you need to fly to Helena Airport?
The necessary travel and health documents for your Helena Airport 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 South Dakota to Helena

How do I get Price Alerts for flights from South Dakota to Helena?
You can take advantage of momondo’s Price Alerts by first searching for your flights to South Dakota from Helena. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.
How can I save money on flights from South Dakota to Helena 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 South Dakota to Helena?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from South Dakota to Helena. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Helena from South Dakota on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Helena from South Dakota. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Helena from South Dakota. 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.