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 many operators does momondo search for flights from South Dakota to Helena Airport?

As of February 2026, there is 1 operator available to choose from for flights from South Dakota to Helena Airport.

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.

$279 Cheap Flights from South Dakota to Helena in 2026

1 adult

0 bags

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Find the cheapest flights from South Dakota to Helena

Round-trip

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:00 pm - 9:16 pm

FSD

HLN

5h 16m

1 stop

2:25 pm - 8:39 pm

HLN

FSD

5h 14m

1 stop

$279United Airlines

Tue, Feb 17 - Sat, Feb 21

11:21 am - 9:16 pm

FSD

HLN

10h 55m

2 stops

2:25 pm - 8:39 pm

HLN

FSD

5h 14m

1 stop

$341United Airlines

Thu, Feb 19 - Mon, Feb 23

3:15 pm - 1:40 pm

FSD

HLN

23h 25m

2 stops

2:25 pm - 8:39 pm

HLN

FSD

5h 14m

1 stop

$473United Airlines

Tue, Feb 17 - Sat, Feb 21

5:00 am - 12:25 pm

FSD

HLN

8h 25m

2 stops

5:30 am - 3:34 pm

HLN

FSD

9h 04m

2 stops

$489Delta

Tue, Feb 17 - Sat, Feb 21

11:21 am - 9:16 pm

FSD

HLN

10h 55m

2 stops

2:25 pm - 5:21 pm

HLN

FSD

25h 56m

2 stops

$599United Airlines

Thu, Feb 19 - Mon, Feb 23

9:28 am - 1:37 pm

FSD

HLN

5h 09m

1 stop

6:15 am - 12:20 pm

HLN

FSD

5h 05m

1 stop

$1,124United Airlines

Thu, Jun 18 - Sun, Jun 21

4:09 pm - 10:34 pm

FSD

HLN

7h 25m

2 stops

12:50 pm - 10:46 pm

HLN

FSD

8h 56m

2 stops

$1,390Delta

Thu, Jun 18 - Sun, Jun 21

Delta flights from South Dakota to Helena

Our best Delta deals on South Dakota to Helena flight tickets

Delta

Feb 17

FSD5:00 amSioux Falls Joe Foss Field

8h 25m

2 stops

HLN12:25 pmHelena

Feb 21

HLN5:30 amHelena

9h 04m

2 stops

FSD3:34 pmSioux Falls Joe Foss Field

$489

Delta

Jun 18

FSD4:09 pmSioux Falls Joe Foss Field

7h 25m

2 stops

HLN10:34 pmHelena

Jun 21

HLN12:50 pmHelena

8h 56m

2 stops

FSD10:46 pmSioux Falls Joe Foss Field

$1,390

United Airlines flights from South Dakota to Helena

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

United Airlines

Feb 17

FSD5:00 pmSioux Falls Joe Foss Field

5h 16m

1 stop

HLN9:16 pmHelena

Feb 21

HLN2:25 pmHelena

5h 14m

1 stop

FSD8:39 pmSioux Falls Joe Foss Field

$279

United Airlines

Feb 19

FSD11:21 amSioux Falls Joe Foss Field

10h 55m

2 stops

HLN9:16 pmHelena

Feb 23

HLN2:25 pmHelena

5h 14m

1 stop

FSD8:39 pmSioux Falls Joe Foss Field

$341

United Airlines

Feb 10

FSD9:00 amSioux Falls Joe Foss Field

5h 41m

1 stop

HLN1:41 pmHelena

Feb 14

HLN2:25 pmHelena

5h 14m

1 stop

FSD8:39 pmSioux Falls Joe Foss Field

$409

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsHelena

FSD - HLN

FSDHLN

Sioux Falls Joe Foss Field

Tue 2/17

5:00 pm-9:16 pm

1 stop5h 16m

Helena

Sat 2/21

2:25 pm-8:39 pm

1 stop5h 14m

$279

Sioux FallsHelena

FSD - HLN

FSDHLN

Sioux Falls Joe Foss Field

Thu 2/19

11:21 am-9:16 pm

2 stops10h 55m

Helena

Mon 2/23

2:25 pm-8:39 pm

1 stop5h 14m

$341

Sioux FallsHelena

FSD - HLN

FSDHLN

Sioux Falls Joe Foss Field

Tue 2/17

3:15 pm-1:40 pm

2 stops23h 25m

Helena

Sat 2/21

2:25 pm-8:39 pm

1 stop5h 14m

$473

Sioux FallsHelena

FSD - HLN

FSDHLN

Sioux Falls Joe Foss Field

Tue 2/17

5:00 am-12:25 pm

2 stops8h 25m

Helena

Sat 2/21

5:30 am-3:34 pm

2 stops9h 04m

$489

Sioux FallsHelena

FSD - HLN

FSDHLN

Sioux Falls Joe Foss Field

Thu 2/19

11:21 am-9:16 pm

2 stops10h 55m

Helena

Mon 2/23

2:25 pm-5:21 pm

2 stops25h 56m

$599

Sioux FallsHelena

FSD - HLN

FSDHLN

Sioux Falls Joe Foss Field

Thu 6/18

9:28 am-1:37 pm

1 stop5h 09m

Helena

Sun 6/21

6:15 am-12:20 pm

1 stop5h 05m

$1,124

Sioux FallsHelena

FSD - HLN

FSDHLN

Sioux Falls Joe Foss Field

Thu 6/18

4:09 pm-10:34 pm

2 stops7h 25m

Helena

Sun 6/21

12:50 pm-10:46 pm

2 stops8h 56m

$1,390

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 40m
Direct flights	None

The fastest flight from South Dakota to Helena takes 5h 40m

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

Search flight deals

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 many operators does momondo search for flights from South Dakota to Helena Airport?
As of February 2026, there is 1 operator available to choose from for flights from South Dakota to Helena Airport.
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.

Best airlines flying from South Dakota to Helena

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $248	Free Cancellation	Rating 7.4 9,236 reviews		Search United Airlines flights

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.