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Cheap flights from Sioux Falls to Helena from $361

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Sioux Falls to Helena departing on 3/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Sioux Falls to Helena

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:00 am - 1:38 pm
FSD
-
HLN
5h 38m
1 stop
United Airlines Logo
2:30 pm - 8:40 pm
HLN
-
FSD
5h 10m
1 stop
$361United Airlines
Fri, Mar 6 - Fri, Mar 13
United Airlines Logo
6:35 pm - 1:38 pm
FSD
-
HLN
20h 03m
2 stops
United Airlines Logo
2:30 pm - 8:40 pm
HLN
-
FSD
5h 10m
1 stop
$508United Airlines
Fri, Mar 6 - Fri, Mar 13
United Airlines Logo
9:28 am - 1:37 pm
FSD
-
HLN
5h 09m
1 stop
United Airlines Logo
2:20 pm - 8:04 pm
HLN
-
FSD
4h 44m
1 stop
$606United Airlines
Thu, May 28 - Thu, Jun 4
United Airlines Logo
6:37 pm - 9:05 pm
FSD
-
HLN
27h 28m
2 stops
United Airlines Logo
2:20 pm - 8:04 pm
HLN
-
FSD
4h 44m
1 stop
$622United Airlines
Thu, May 28 - Thu, Jun 4
United Airlines Logo
9:00 am - 1:40 pm
FSD
-
HLN
5h 40m
1 stop
United Airlines Logo
6:15 am - 8:39 pm
HLN
-
FSD
13h 24m
1 stop
$662United Airlines
Thu, Feb 12 - Mon, Feb 16
United Airlines Logo
9:00 am - 1:40 pm
FSD
-
HLN
5h 40m
1 stop
United Airlines Logo
6:15 am - 5:21 pm
HLN
-
FSD
34h 06m
2 stops
$761United Airlines
Thu, Feb 12 - Mon, Feb 16
United Airlines Logo
6:37 pm - 9:05 pm
FSD
-
HLN
27h 28m
2 stops
United Airlines Logo
6:15 am - 9:38 pm
HLN
-
FSD
38h 23m
2 stops
$779United Airlines
Thu, May 28 - Thu, Jun 4
United Airlines Logo
6:45 pm - 9:16 pm
FSD
-
HLN
27h 31m
2 stops
United Airlines Logo
6:15 am - 5:21 pm
HLN
-
FSD
34h 06m
2 stops
$867United Airlines
Thu, Feb 12 - Mon, Feb 16
United Airlines Logo
6:35 pm - 1:38 pm
FSD
-
HLN
20h 03m
2 stops
United Airlines Logo
2:30 pm - 10:02 pm
HLN
-
FSD
30h 32m
2 stops
$1,238United Airlines
Fri, Mar 6 - Fri, Mar 13

United Airlines flights from Sioux Falls to Helena

Our best United Airlines deals on Sioux Falls to Helena flight tickets
United Airlines
Mar 6
FSD9:00 amSioux Falls Joe Foss Field
5h 38m
1 stop
HLN1:38 pmHelena
Mar 13
HLN2:30 pmHelena
5h 10m
1 stop
FSD8:40 pmSioux Falls Joe Foss Field
$361
United Airlines
Feb 4
FSD9:00 amSioux Falls Joe Foss Field
5h 41m
1 stop
HLN1:41 pmHelena
Feb 8
HLN2:27 pmHelena
4h 57m
1 stop
FSD8:24 pmSioux Falls Joe Foss Field
$365
United Airlines
Mar 6
FSD6:35 pmSioux Falls Joe Foss Field
20h 03m
2 stops
HLN1:38 pmHelena
Mar 13
HLN2:30 pmHelena
5h 10m
1 stop
FSD8:40 pmSioux Falls Joe Foss Field
$508

momondo Fare Finder

 
Customize your flight search to find flights from Sioux Falls to Helena that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Sioux Falls to Helena that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsHelena

FSD - HLN

FSDHLN

Sioux Falls Joe Foss Field

Fri 3/6

9:00 am-1:38 pm

1 stop5h 38m

Helena

Fri 3/13

2:30 pm-8:40 pm

1 stop5h 10m

$361

Sioux FallsHelena

FSD - HLN

FSDHLN

Sioux Falls Joe Foss Field

Fri 3/6

6:35 pm-1:38 pm

2 stops20h 03m

Helena

Fri 3/13

2:30 pm-8:40 pm

1 stop5h 10m

$508

Sioux FallsHelena

FSD - HLN

FSDHLN

Sioux Falls Joe Foss Field

Thu 5/28

9:28 am-1:37 pm

1 stop5h 09m

Helena

Thu 6/4

2:20 pm-8:04 pm

1 stop4h 44m

$606

Sioux FallsHelena

FSD - HLN

FSDHLN

Sioux Falls Joe Foss Field

Thu 5/28

6:37 pm-9:05 pm

2 stops27h 28m

Helena

Thu 6/4

2:20 pm-8:04 pm

1 stop4h 44m

$622

Sioux FallsHelena

FSD - HLN

FSDHLN

Sioux Falls Joe Foss Field

Thu 2/12

9:00 am-1:40 pm

1 stop5h 40m

Helena

Mon 2/16

6:15 am-8:39 pm

1 stop13h 24m

$662

Sioux FallsHelena

FSD - HLN

FSDHLN

Sioux Falls Joe Foss Field

Thu 2/12

9:00 am-1:40 pm

1 stop5h 40m

Helena

Mon 2/16

6:15 am-5:21 pm

2 stops34h 06m

$761

Sioux FallsHelena

FSD - HLN

FSDHLN

Sioux Falls Joe Foss Field

Thu 5/28

6:37 pm-9:05 pm

2 stops27h 28m

Helena

Thu 6/4

6:15 am-9:38 pm

2 stops38h 23m

$779

Sioux FallsHelena

FSD - HLN

FSDHLN

Sioux Falls Joe Foss Field

Thu 2/12

6:45 pm-9:16 pm

2 stops27h 31m

Helena

Mon 2/16

6:15 am-5:21 pm

2 stops34h 06m

$867

Sioux FallsHelena

FSD - HLN

FSDHLN

Sioux Falls Joe Foss Field

Fri 3/6

6:35 pm-1:38 pm

2 stops20h 03m

Helena

Fri 3/13

2:30 pm-10:02 pm

2 stops30h 32m

$1,238

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Sioux Falls to Helena

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

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

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

Fastest flight time

5h 08m

Direct flights

None
The fastest flight from Sioux Falls to Helena takes 5h 08m
There are no direct flights from Sioux Falls to Helena. There are no popular flight routes from Sioux Falls to Helena.
Search flight deals

  • How far is Sioux Falls Joe Foss Field to Helena by plane?

    A flight from Sioux Falls Joe Foss Field to Helena will travel around 774.0 mi. By plane, this route typically takes 5h 08m.

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

    Prices for flights from Sioux Falls Joe Foss Field Airport to Helena Airport are refreshed on a daily basis.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sioux Falls Joe Foss Field Airport to Helena Airport.

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

    The required travel and health documents for your Helena Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Helena Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Sioux Falls to Helena?

Best airlines flying from Sioux Falls to Helena

Compare and see reviews for airlines that fly from Sioux Falls to Helena with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $248Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights

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

    Confirm your travel details to search for the latest offers for flights from Sioux Falls to Helena. 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 Sioux Falls 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 Sioux Falls to Helena?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Sioux Falls to Helena for you.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Sioux Falls to Helena.

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

Price alerts on flights to Helena from Sioux Falls 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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