Which airports can I use when flying from Sioux Falls to Helena?

Flights from Sioux Falls to Helena usually depart from Sioux Falls Joe Foss Field (FSD) and arrive at Helena (HLN).

Which airports do connecting flights from Sioux Falls to Helena pass through?

Most connecting flights from Sioux Falls to Helena pass through Denver Intl (DEN), which handles 100% of one-stop traffic on this route.

Can I save money by using flexible dates for flights from Sioux Falls to Helena?

Yes. Flexible dates can save you up to 76% on flights from Sioux Falls to Helena. Wednesday is the cheapest departure day at $248 round-trip on average, while Tuesday is the most expensive at $1,020, a difference of $772. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Do I need a passport to fly from Sioux Falls to Helena?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Have flight prices from Sioux Falls to Helena changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $389 to $827. That means the highest observed fare was about 2x higher than the lowest one.

What is the time difference between Sioux Falls and Helena?

Helena is 1 hour behind Sioux Falls (Mountain Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Helena Airport (HLN)?

Helena Airport (HLN) hosts 5 major car rental companies, with daily rates averaging $83 for economy cars. Top options include: • Budget • Enterprise Rent-A-Car • Hertz • Avis • National

How much is a round-trip flight from Sioux Falls to Helena?

Round-trip flights from Sioux Falls to Helena typically range from $398 to $1,020. The lowest price found in the past 5 days was $389, on United Airlines.

Which airline is the cheapest to fly from Sioux Falls to Helena?

United Airlines ($389) and Delta ($774) are the cheapest airlines to fly round-trip from Sioux Falls to Helena according to KAYAK data over the last 5 days.

What is the cheapest layover airport when flying from Sioux Falls to Helena?

Flights via Denver Intl (DEN) offer the most affordable fares, with an average round-trip price of $767. Based on KAYAK data over the past 3 months.

When flying from Sioux Falls to Helena which airport offers the shortest layover?

Denver Intl (DEN) had the shortest average connection time for Sioux Falls to Helena layovers at 3h 13m over the past 3 months.

$389 CHEAP FLIGHTS from Sioux Falls to Helena (FSD - HLN)

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Cheapest round-trip

$389

Typical prices: $398-$1,020

United Airlines

Mon 11/12Wed 11/14

FSD - HLN • 1 stop

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Cheap Flights from Sioux Falls to Helena (FSD-HLN)

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Recent round-trip flight deals from Sioux Falls to Helena

Thu, Nov 12 - Sat, Nov 14

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

5h 08m1 stop Denver Intl

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

4h 41m1 stop Denver Intl

$389United Airlines

Wed, Dec 9 - Sat, Dec 12

9:24 am - 1:52 pmFSD Sioux Falls Joe Foss Field-HLN Helena

5h 28m1 stop Denver Intl

2:35 pm - 8:33 pmHLN Helena-FSD Sioux Falls Joe Foss Field

4h 58m1 stop Denver Intl

$459United Airlines

Wed, Dec 9 - Sat, Dec 12

6:00 am - 1:52 pmFSD Sioux Falls Joe Foss Field-HLN Helena

8h 52m2 stops Chicago O'Hare Intl Denver Intl

2:35 pm - 8:33 pmHLN Helena-FSD Sioux Falls Joe Foss Field

4h 58m1 stop Denver Intl

$464United Airlines

Wed, Dec 9 - Sat, Dec 12

9:45 am - 9:26 pmFSD Sioux Falls Joe Foss Field-HLN Helena

12h 41m2 stops Chicago O'Hare Intl Denver Intl

6:20 am - 6:38 pmHLN Helena-FSD Sioux Falls Joe Foss Field

11h 18m2 stops Denver Intl Chicago O'Hare Intl

$510United Airlines

Wed, Dec 9 - Sat, Dec 12

9:45 am - 9:26 pmFSD Sioux Falls Joe Foss Field-HLN Helena

12h 41m2 stops Chicago O'Hare Intl Denver Intl

6:20 am - 6:38 pmHLN Helena-FSD Sioux Falls Joe Foss Field

11h 18m2 stops Denver Intl Chicago O'Hare Intl

$529United Airlines

Thu, Nov 12 - Sat, Nov 14

11:14 am - 9:31 pmFSD Sioux Falls Joe Foss Field-HLN Helena

11h 17m2 stops Chicago O'Hare Intl Denver Intl

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

4h 41m1 stop Denver Intl

$599United Airlines

Wed, Dec 9 - Sat, Dec 12

6:00 am - 1:52 pmFSD Sioux Falls Joe Foss Field-HLN Helena

8h 52m2 stops Chicago O'Hare Intl Denver Intl

6:20 am - 11:30 pmHLN Helena-FSD Sioux Falls Joe Foss Field

16h 10m3 stops Denver Intl Lambert-St Louis Chicago O'Hare Intl

$669United Airlines

Wed, Nov 11 - Fri, Nov 13

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

5h 08m1 stop Denver Intl

2:23 pm - 4:25 pmHLN Helena-FSD Sioux Falls Joe Foss Field

25h 02m1 stop Denver Intl

$728United Airlines

Wed, Nov 11 - Fri, Nov 13

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

5h 08m1 stop Denver Intl

2:23 pm - 2:34 pmHLN Helena-FSD Sioux Falls Joe Foss Field

23h 11m2 stops Denver Intl Chicago O'Hare Intl

$763United Airlines

Thu, Nov 12 - Sat, Nov 14

5:05 am - 12:27 pmFSD Sioux Falls Joe Foss Field-HLN Helena

8h 22m2 stops Minneapolis St Paul Salt Lake City

1:07 pm - 11:00 pmHLN Helena-FSD Sioux Falls Joe Foss Field

8h 53m2 stops Salt Lake City Minneapolis St Paul

$774Delta

Booking Insights

Price, demand and travel trends for Sioux Falls to Helena flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

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Layovers

How much is a round-trip flight from Sioux Falls to Helena? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Sioux Falls to Helena departing in november.

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Cheapest flight	$389

Round-trip flight from Sioux Falls to Helena

When to book flights from Sioux Falls to Helena

Are your dates flexible? Find out the best times to travel from Sioux Falls to Helena based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Do I need a passport to fly from Sioux Falls to Helena?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.
Have flight prices from Sioux Falls to Helena changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $389 to $827. That means the highest observed fare was about 2x higher than the lowest one.
What car rental options are available at Helena Airport (HLN)?
Helena Airport (HLN) hosts 5 major car rental companies, with daily rates averaging $83 for economy cars. Top options include:

• Budget
• Enterprise Rent-A-Car
• Hertz
• Avis
• National
Which airports can I use when flying from Sioux Falls to Helena?
Flights from Sioux Falls to Helena usually depart from Sioux Falls Joe Foss Field (FSD) and arrive at Helena (HLN).
Which airports do connecting flights from Sioux Falls to Helena pass through?
Most connecting flights from Sioux Falls to Helena pass through Denver Intl (DEN), which handles 100% of one-stop traffic on this route.
Can I save money by using flexible dates for flights from Sioux Falls to Helena?
Yes. Flexible dates can save you up to 76% on flights from Sioux Falls to Helena. Wednesday is the cheapest departure day at $248 round-trip on average, while Tuesday is the most expensive at $1,020, a difference of $772.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
What is the time difference between Sioux Falls and Helena?
Helena is 1 hour behind Sioux Falls (Mountain Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates are flexible, aim for a Wednesday departure and avoid flying on Tuesday. On this route, Wednesday flights average $248, about $772 less than Tuesday fares (76% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to Helena Airport.

• La Quinta Inn & Suites by Wyndham Helena
• Baymont by Wyndham Helena
• Home2 Suites By Hilton Helena

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FSD - HLN

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Everything you should know

Cheap Flights from Sioux Falls to Helena (FSD-HLN)

Recent round-trip flight deals from Sioux Falls to Helena

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Price, demand and travel trends for Sioux Falls to Helena flights

How much is a round-trip flight from Sioux Falls to Helena?

Which airline is the cheapest to fly from Sioux Falls to Helena?

What is the cheapest layover airport when flying from Sioux Falls to Helena?

When flying from Sioux Falls to Helena which airport offers the shortest layover?

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