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 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 2025/26

1 adult

0 bags

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Find the cheapest flights from Helena to Sioux Falls

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One-way

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Cheap round-trip flights

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2:27 pm - 8:24 pm

HLN

FSD

4h 57m1 stop

9:00 am - 1:41 pm

FSD

HLN

5h 41m1 stop

$339United Airlines

Thu, Jan 8 - Mon, Jan 12

2:27 pm - 8:24 pm

HLN

FSD

4h 57m1 stop

11:22 am - 9:26 pm

FSD

HLN

11h 04m2 stops

$344United Airlines

Sat, Jan 24 - Wed, Jan 28

6:15 am - 12:58 pm

HLN

FSD

5h 43m1 stop

11:22 am - 9:26 pm

FSD

HLN

11h 04m2 stops

$413United Airlines

Thu, Jan 8 - Mon, Jan 12

6:15 am - 9:50 pm

HLN

FSD

14h 35m2 stops

11:22 am - 9:26 pm

FSD

HLN

11h 04m2 stops

$495United Airlines

Sat, Jan 24 - Wed, Jan 28

6:10 am - 12:50 pm

HLN

FSD

5h 40m1 stop

5:12 pm - 9:31 pm

FSD

HLN

5h 19m1 stop

$548United Airlines

Tue, Dec 30 - Sat, Jan 3

2:27 pm - 9:50 pm

HLN

FSD

30h 23m2 stops

11:22 am - 9:26 pm

FSD

HLN

11h 04m2 stops

$574United Airlines

Thu, Jan 8 - Mon, Jan 12

6:10 am - 12:50 pm

HLN

FSD

5h 40m1 stop

11:27 am - 9:31 pm

FSD

HLN

11h 04m2 stops

$748United Airlines

Tue, Dec 30 - Sat, Jan 3

United Airlines flights from Helena to Sioux Falls

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

United Airlines

Jan 8

HLN2:27 pmHelena

4h 57m

1 stop

FSD8:24 pmSioux Falls Joe Foss Field

Jan 12

FSD9:00 amSioux Falls Joe Foss Field

5h 41m

1 stop

HLN1:41 pmHelena

$339

Find similar

United Airlines

Jan 24

HLN2:27 pmHelena

4h 57m

1 stop

FSD8:24 pmSioux Falls Joe Foss Field

Jan 28

FSD11:22 amSioux Falls Joe Foss Field

11h 04m

2 stops

HLN9:26 pmHelena

$344

Find similar

United Airlines

Jan 8

HLN6:15 amHelena

5h 43m

1 stop

FSD12:58 pmSioux Falls Joe Foss Field

Jan 12

FSD11:22 amSioux Falls Joe Foss Field

11h 04m

2 stops

HLN9:26 pmHelena

$413

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HelenaSioux Falls

HLN - FSD

HLNFSD

Helena

Thu 1/8

2:27 pm-8:24 pm

1 stop4h 57m

Sioux Falls Joe Foss Field

Mon 1/12

9:00 am-1:41 pm

1 stop5h 41m

$339

HelenaSioux Falls

HLN - FSD

HLNFSD

Helena

Sat 1/24

2:27 pm-8:24 pm

1 stop4h 57m

Sioux Falls Joe Foss Field

Wed 1/28

11:22 am-9:26 pm

2 stops11h 04m

$344

HelenaSioux Falls

HLN - FSD

HLNFSD

Helena

Thu 1/8

6:15 am-12:58 pm

1 stop5h 43m

Sioux Falls Joe Foss Field

Mon 1/12

11:22 am-9:26 pm

2 stops11h 04m

$413

HelenaSioux Falls

HLN - FSD

HLNFSD

Helena

Sat 1/24

6:15 am-9:50 pm

2 stops14h 35m

Sioux Falls Joe Foss Field

Wed 1/28

11:22 am-9:26 pm

2 stops11h 04m

$495

HelenaSioux Falls

HLN - FSD

HLNFSD

Helena

Tue 12/30

6:10 am-12:50 pm

1 stop5h 40m

Sioux Falls Joe Foss Field

Sat 1/3

5:12 pm-9:31 pm

1 stop5h 19m

$548

HelenaSioux Falls

HLN - FSD

HLNFSD

Helena

Thu 1/8

2:27 pm-9:50 pm

2 stops30h 23m

Sioux Falls Joe Foss Field

Mon 1/12

11:22 am-9:26 pm

2 stops11h 04m

$574

HelenaSioux Falls

HLN - FSD

HLNFSD

Helena

Tue 12/30

6:10 am-12:50 pm

1 stop5h 40m

Sioux Falls Joe Foss Field

Sat 1/3

11:27 am-9:31 pm

2 stops11h 04m

$748

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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

Fastest flight time	5h 40m
Direct flights	None

The fastest flight from Helena to Sioux Falls takes 5h 40m

There are no direct flights from Helena to Sioux Falls. There are no popular flight routes from Helena to Sioux Falls.

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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. 5h 40m 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 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.

Yankton

Marshall

Worthington

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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?

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

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