What airlines fly to Sioux Falls?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Sioux Falls from Helena according to our data. United Airlines is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Sioux Falls. Keep in mind that there are 3 different airlines that fly to Sioux Falls on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Helena Airport to Sioux Falls Joe Foss Field Airport?

Prices for flights from Helena Airport to Sioux Falls Joe Foss Field Airport were last updated today.

How many operators does momondo search for flights from Helena Airport to Sioux Falls Joe Foss Field Airport?

As of July 2025, there is 1 operator available to choose from for flights from Helena Airport to Sioux Falls Joe Foss Field Airport.

How old do you have to be to fly from Helena Airport to Sioux Falls Joe Foss Field 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 Sioux Falls Joe Foss Field Airport.

What documentation or ID do you need to fly to Sioux Falls Joe Foss Field Airport?

The travel and health documents you'll need for your trip to Sioux Falls Joe Foss Field Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sioux Falls Joe Foss Field Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$309 Cheap Flights from Helena to Sioux Falls in 2025

1 adult

0 bags

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Find the cheapest flights from Helena to Sioux Falls

Round-trip

One-way

Last minute

Cheap round-trip flights

2:22 pm - 8:31 pmHLN-FSD

5h 09m1 stop

8:47 am - 1:27 pmFSD-HLN

5h 40m1 stop

$388United Airlines

Find Deal

jue., nov. 13 - dom., nov. 16

1:00 pm - 11:46 pmHLN-FSD

9h 46m2 stops

12:56 pm - 10:13 pmFSD-HLN

10h 17m2 stops

$487Delta

Find Deal

mar., ago. 26 - jue., ago. 28

5:20 pm - 11:40 pmHLN-FSD

5h 20m1 stop

9:15 am - 1:30 pmFSD-HLN

5h 15m1 stop

$498United Airlines

Find Deal

jue., sep. 18 - dom., sep. 21

6:40 am - 9:46 pmHLN-FSD

14h 06m2 stops

8:47 am - 1:27 pmFSD-HLN

5h 40m1 stop

$518United Airlines

Find Deal

jue., nov. 13 - dom., nov. 16

5:50 am - 1:50 pmHLN-FSD

7h 00m2 stops

12:56 pm - 10:13 pmFSD-HLN

10h 17m2 stops

$549Delta

Find Deal

lun., ago. 25 - jue., ago. 28

5:20 pm - 11:40 pmHLN-FSD

5h 20m1 stop

6:11 pm - 1:30 pmFSD-HLN

44h 19m2 stops

$554United Airlines

Find Deal

mar., ago. 26 - jue., ago. 28

5:20 pm - 11:40 pmHLN-FSD

5h 20m1 stop

11:44 am - 4:04 pmFSD-HLN

5h 20m1 stop

$592United Airlines

Find Deal

lun., ago. 25 - jue., ago. 28

2:30 pm - 8:29 pmHLN-FSD

4h 59m1 stop

6:11 pm - 1:30 pmFSD-HLN

20h 19m2 stops

$623United Airlines

Find Deal

jue., sep. 18 - dom., sep. 21

2:30 pm - 2:37 pmHLN-FSD

47h 07m2 stops

8:00 am - 4:04 pmFSD-HLN

9h 04m2 stops

$737United Airlines

Find Deal

jue., sep. 18 - dom., sep. 21

2:30 pm - 10:12 pmHLN-FSD

30h 42m2 stops

5:06 pm - 9:11 pmFSD-HLN

5h 05m1 stop

$762United Airlines

Find Deal

lun., ago. 25 - jue., ago. 28

United Airlines flights from Helena to Sioux Falls

Our best United Airlines deals on Helena to Sioux Falls flight tickets

United Airlines

Nov 13

HLN2:22 pmHelena

5h 09m

1 stop

FSD8:31 pmSioux Falls Joe Foss Field

Nov 16

FSD8:47 amSioux Falls Joe Foss Field

5h 40m

1 stop

HLN1:27 pmHelena

$388

Find similar

United Airlines

Sep 18

HLN5:20 pmHelena

5h 20m

1 stop

FSD11:40 pmSioux Falls Joe Foss Field

Sep 21

FSD9:15 amSioux Falls Joe Foss Field

5h 15m

1 stop

HLN1:30 pmHelena

$498

Find similar

United Airlines

Nov 13

HLN6:40 amHelena

14h 06m

2 stops

FSD9:46 pmSioux Falls Joe Foss Field

Nov 16

FSD8:47 amSioux Falls Joe Foss Field

5h 40m

1 stop

HLN1:27 pmHelena

$518

Find similar

Delta flights from Helena to Sioux Falls

Our best Delta deals on Helena to Sioux Falls flight tickets

Delta

Aug 26

HLN1:00 pmHelena

9h 46m

2 stops

FSD11:46 pmSioux Falls Joe Foss Field

Aug 28

FSD12:56 pmSioux Falls Joe Foss Field

10h 17m

2 stops

HLN10:13 pmHelena

$487

Find similar

Delta

Aug 25

HLN5:50 amHelena

7h 00m

2 stops

FSD1:50 pmSioux Falls Joe Foss Field

Aug 28

FSD12:56 pmSioux Falls Joe Foss Field

10h 17m

2 stops

HLN10:13 pmHelena

$549

Find similar

Delta

Jul 16

HLN5:50 amHelena

10h 46m

2 stops

FSD5:36 pmSioux Falls Joe Foss Field

Jul 18

FSD1:01 pmSioux Falls Joe Foss Field

10h 46m

2 stops

HLN10:47 pmHelena

$924

Find similar

How to get the cheapest flight ticket from Helena to Sioux Falls

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

Prices

Airlines

What is the cheapest day to depart on your flight to Sioux Falls?

The cheapest day to depart on your flight to Sioux Falls is on a Thursday when prices can be found for as low as $353. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from Helena because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $739.

What is the cheapest time of day to depart on your flight to Sioux Falls?

Our most recent data shows that the best time of day to fly to Sioux Falls is in the morning. Flights from Helena to Sioux Falls during this time can be as low as $571. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $601 on average. Flights to Sioux Falls from Helena at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Helena to Sioux Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Helena to Sioux Falls according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Helena to Sioux Falls (HLN to FSD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helena to Sioux Falls

Best Price Found	$388
Fastest flight time	4h 59m
Direct flights	None
Airports in Sioux Falls	1 airport

The best flight deal from Helena to Sioux Falls found on momondo in the last 72 hours is $388

The fastest flight from Helena to Sioux Falls takes 4h 59m

There are no direct flights from Helena to Sioux Falls. Popular non-direct route for this connection is Helena Airport - Sioux Falls Joe Foss Field Airport.

There is 1 airport near Sioux Falls: Sioux Falls Joe Foss Field (FSD)

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How far is Helena to Sioux Falls Joe Foss Field by plane?
A flight from Helena to Sioux Falls Joe Foss Field will travel around 774.0 mi. 4h 59m is a normal flight duration for this route.
When did momondo last update prices for flights from Helena Airport to Sioux Falls Joe Foss Field Airport?
Prices for flights from Helena Airport to Sioux Falls Joe Foss Field Airport were last updated today.
How many operators does momondo search for flights from Helena Airport to Sioux Falls Joe Foss Field Airport?
As of July 2025, there is 1 operator available to choose from for flights from Helena Airport to Sioux Falls Joe Foss Field Airport.
How old do you have to be to fly from Helena Airport to Sioux Falls Joe Foss Field 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 Sioux Falls Joe Foss Field Airport.
What documentation or ID do you need to fly to Sioux Falls Joe Foss Field Airport?
The travel and health documents you'll need for your trip to Sioux Falls Joe Foss Field Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sioux Falls Joe Foss Field Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Helena to Sioux Falls?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Helena to Sioux Falls is United Airlines (100% of total bookings).

Best airlines flying from Helena to Sioux Falls

Compare and see reviews for airlines that fly from Helena to Sioux Falls with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $378	Free Cancellation	Rating 7.4 8,846 reviews		Search United Airlines flights

Yankton

Marshall

Worthington

Why use momondo?

Why should I use momondo to find a flight deal from Helena to Sioux Falls?

It is quick and easy to find Helena to Sioux Falls 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 Sioux Falls that suits you.

Can I find flights from Helena to Sioux Falls with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Sioux Falls from Helena with this policy.

How can momondo help me find flights from Helena to Sioux Falls?

momondo helps you find the best flight between Helena and Sioux Falls by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Sioux Falls from Helena are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.