How do I get Price Alerts for flights from Helena to Sioux Falls?

Confirm your travel details to search for the latest offers for flights from Helena to Sioux Falls . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Helena to Sioux Falls 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?

momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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.

$364 Cheap Flights from Helena to Sioux Falls in 2026

Find the cheapest flights from Helena to Sioux Falls

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Cheap round-trip flights

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2:23 pm - 8:04 pmHLN Helena-FSD Sioux Falls Joe Foss Field

4h 41m1 stop Denver Intl

9:32 am - 1:40 pmFSD Sioux Falls Joe Foss Field-HLN Helena

5h 08m1 stop Denver Intl

$364United Airlines

Fri, Oct 30 - Sun, Nov 1

2:23 pm - 8:04 pmHLN Helena-FSD Sioux Falls Joe Foss Field

4h 41m1 stop Denver Intl

5:06 pm - 9:31 pmFSD Sioux Falls Joe Foss Field-HLN Helena

5h 25m1 stop Denver Intl

$389United Airlines

Fri, Oct 30 - Sun, Nov 1

2:30 pm - 8:46 pmHLN Helena-FSD Sioux Falls Joe Foss Field

5h 16m1 stop Denver Intl

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

4h 59m1 stop Denver Intl

$399United Airlines

Sat, Jan 23 - Tue, Jan 26

2:23 pm - 8:04 pmHLN Helena-FSD Sioux Falls Joe Foss Field

4h 41m1 stop Denver Intl

9:32 am - 1:40 pmFSD Sioux Falls Joe Foss Field-HLN Helena

5h 08m1 stop Denver Intl

$444United Airlines

Fri, Oct 30 - Sun, Nov 1

2:30 pm - 8:46 pmHLN Helena-FSD Sioux Falls Joe Foss Field

5h 16m1 stop Denver Intl

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

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

$449United Airlines

Sat, Jan 23 - Tue, Jan 26

2:30 pm - 8:20 pmHLN Helena-FSD Sioux Falls Joe Foss Field

4h 50m1 stop Denver Intl

5:04 pm - 9:18 pmFSD Sioux Falls Joe Foss Field-HLN Helena

5h 14m1 stop Denver Intl

$471United Airlines

Fri, Oct 2 - Sun, Oct 4

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

9h 14m2 stops Salt Lake City Minneapolis St Paul

1:00 pm - 10:24 pmFSD Sioux Falls Joe Foss Field-HLN Helena

10h 24m2 stops Minneapolis St Paul Salt Lake City

$499Delta

Fri, Oct 30 - Sun, Nov 1

2:23 pm - 11:29 pmHLN Helena-FSD Sioux Falls Joe Foss Field

32h 06m2 stops Denver Intl Chicago O'Hare Intl

9:32 am - 1:40 pmFSD Sioux Falls Joe Foss Field-HLN Helena

5h 08m1 stop Denver Intl

$568United Airlines

Fri, Oct 30 - Sun, Nov 1

2:30 pm - 8:46 pmHLN Helena-FSD Sioux Falls Joe Foss Field

5h 16m1 stop Denver Intl

7:40 am - 1:27 pmFSD Sioux Falls Joe Foss Field-HLN Helena

30h 47m3 stops Chicago O'Hare Intl Lambert-St Louis Denver Intl

$574United Airlines

Sat, Jan 23 - Tue, Jan 26

2:26 pm - 8:07 pmHLN Helena-FSD Sioux Falls Joe Foss Field

4h 41m1 stop Denver Intl

5:05 pm - 1:45 pmFSD Sioux Falls Joe Foss Field-HLN Helena

21h 40m1 stop Denver Intl

$662United Airlines

Thu, Sep 17 - Fri, Sep 18

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Delta flights from Helena to Sioux Falls

Our best Delta deals on Helena to Sioux Falls flight tickets

Delta

Oct 30

HLN1:08 pmHelena

9h 14m

2 stops

FSD11:22 pmSioux Falls Joe Foss Field

Nov 1

FSD1:00 pmSioux Falls Joe Foss Field

10h 24m

2 stops

HLN10:24 pmHelena

$499

Delta

Oct 30

HLN1:08 pmHelena

9h 14m

2 stops

FSD11:22 pmSioux Falls Joe Foss Field

Nov 1

FSD1:00 pmSioux Falls Joe Foss Field

10h 24m

2 stops

HLN10:24 pmHelena

$729

United Airlines flights from Helena to Sioux Falls

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

United Airlines

Oct 30

HLN2:23 pmHelena

4h 41m

1 stop

FSD8:04 pmSioux Falls Joe Foss Field

Nov 1

FSD9:32 amSioux Falls Joe Foss Field

5h 08m

1 stop

HLN1:40 pmHelena

$364

United Airlines

Oct 30

HLN2:23 pmHelena

4h 41m

1 stop

FSD8:04 pmSioux Falls Joe Foss Field

Nov 1

FSD5:06 pmSioux Falls Joe Foss Field

5h 25m

1 stop

HLN9:31 pmHelena

$389

United Airlines

Jan 23

HLN2:30 pmHelena

5h 16m

1 stop

FSD8:46 pmSioux Falls Joe Foss Field

Jan 26

FSD5:00 pmSioux Falls Joe Foss Field

4h 59m

1 stop

HLN8:59 pmHelena

$399

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

Fri 10/30

2:23 pm-8:04 pm

1 stop4h 41m

Sioux Falls Joe Foss Field

Sun 11/1

9:32 am-1:40 pm

1 stop5h 08m

$364

HelenaSioux Falls

HLN Helena - FSD Sioux Falls Joe Foss Field

HLNFSD

Helena

Fri 10/30

2:23 pm-8:04 pm

1 stop4h 41m

Sioux Falls Joe Foss Field

Sun 11/1

5:06 pm-9:31 pm

1 stop5h 25m

$389

HelenaSioux Falls

HLN Helena - FSD Sioux Falls Joe Foss Field

HLNFSD

Helena

Sat 1/23

2:30 pm-8:46 pm

1 stop5h 16m

Sioux Falls Joe Foss Field

Tue 1/26

5:00 pm-8:59 pm

1 stop4h 59m

$399

HelenaSioux Falls

HLN Helena - FSD Sioux Falls Joe Foss Field

HLNFSD

Helena

Fri 10/30

2:23 pm-8:04 pm

1 stop4h 41m

Sioux Falls Joe Foss Field

Sun 11/1

9:32 am-1:40 pm

1 stop5h 08m

$444

HelenaSioux Falls

HLN Helena - FSD Sioux Falls Joe Foss Field

HLNFSD

Helena

Sat 1/23

2:30 pm-8:46 pm

1 stop5h 16m

Sioux Falls Joe Foss Field

Tue 1/26

11:20 am-8:59 pm

2 stops10h 39m

$449

HelenaSioux Falls

HLN Helena - FSD Sioux Falls Joe Foss Field

HLNFSD

Helena

Fri 10/2

2:30 pm-8:20 pm

1 stop4h 50m

Sioux Falls Joe Foss Field

Sun 10/4

5:04 pm-9:18 pm

1 stop5h 14m

$471

HelenaSioux Falls

HLN Helena - FSD Sioux Falls Joe Foss Field

HLNFSD

Helena

Fri 10/30

1:08 pm-11:22 pm

2 stops9h 14m

Sioux Falls Joe Foss Field

Sun 11/1

1:00 pm-10:24 pm

2 stops10h 24m

$499

HelenaSioux Falls

HLN Helena - FSD Sioux Falls Joe Foss Field

HLNFSD

Helena

Fri 10/30

2:23 pm-11:29 pm

2 stops32h 06m

Sioux Falls Joe Foss Field

Sun 11/1

9:32 am-1:40 pm

1 stop5h 08m

$568

HelenaSioux Falls

HLN Helena - FSD Sioux Falls Joe Foss Field

HLNFSD

Helena

Sat 1/23

2:30 pm-8:46 pm

1 stop5h 16m

Sioux Falls Joe Foss Field

Tue 1/26

7:40 am-1:27 pm

3 stops30h 47m

$574

HelenaSioux Falls

HLN Helena - FSD Sioux Falls Joe Foss Field

HLNFSD

Helena

Thu 9/17

2:26 pm-8:07 pm

1 stop4h 41m

Sioux Falls Joe Foss Field

Fri 9/18

5:05 pm-1:45 pm

1 stop21h 40m

$662

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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	$364
Fastest flight time	4h 41m
Direct flights	None

The best flight deal from Helena to Sioux Falls found on momondo in the last 72 hours is $364

The fastest flight from Helena to Sioux Falls takes 4h 41m

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

Search flight deals

Frequently asked questions about flying from Helena to Sioux Falls

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 41m 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.

Frequently asked questions about flying from Helena to Sioux Falls

How do I get Price Alerts for flights from Helena to Sioux Falls?
Confirm your travel details to search for the latest offers for flights from Helena to Sioux Falls. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Helena to Sioux Falls 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?
momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Yankton

Worthington

Marshall

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.

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Cheap flights from Helena to Sioux Falls from $364

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to Sioux Falls departing on 10/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

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Frequently asked questions about flying from Helena to Sioux Falls

Frequently asked questions about flying from Helena to Sioux Falls

Traveling to a place near Sioux Falls?

Why use momondo?

An easier way to manage your Sioux Falls trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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List of cabin classes available on flights landing in Sioux Falls. Availability may vary depending on flight origin and airline.

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