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$270+ Cheap flights from Helena to Sioux Falls (HLN - FSD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — FSD
Jan 18 — Jan 251
Sat 1/18
Sat 1/25
1 adult, Economy
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Cheap flight deals from Helena to Sioux Falls

Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to Sioux Falls (FSD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 13, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$270
(United Airlines)
Provider with most accurate pricing for Helena-Sioux Falls Joe Foss Field flight deals.
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Provider most trusted by Cheapflights users for Helena-Sioux Falls Joe Foss Field flights.
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From Helena to Sioux Falls Joe Foss Field
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Find flight deals from Helena to Sioux Falls

Cheapest flights from Helena to Sioux Falls
Explore the most affordable flight options available from Helena to Sioux Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 13, 2025.

This United Airlines deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/282:25 pmHLN - FSD
1 stop4h 58mUnited Airlines
Sat 2/19:00 amFSD - HLN
1 stop5h 41mUnited Airlines
Deal found 1/12$270
This Delta deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/285:50 amHLN - FSD
2 stops8h 57mDelta
Sat 2/11:18 pmFSD - HLN
2 stops10h 36mDelta
Deal found 1/12$379

Find flights from Helena to Sioux Falls within your budget

Customize your flight search to find flights from Helena to Sioux Falls 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, Cheapflights users made 2,558,603 searches. Data last updated January 13, 2025.

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Depart

Return

Price

HelenaSioux Falls

HLN - FSD

HLNFSD

Helena

Tue 1/28

2:25 pm-8:23 pm

1 stop4h 58m

Sioux Falls Joe Foss Field

Sat 2/1

9:00 am-1:41 pm

1 stop5h 41m

$270

HelenaSioux Falls

HLN - FSD

HLNFSD

Helena

Tue 1/28

5:50 am-3:47 pm

2 stops8h 57m

Sioux Falls Joe Foss Field

Sat 2/1

1:18 pm-10:54 pm

2 stops10h 36m

$379

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

Compare providers for flights from Helena to Sioux Falls

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Helena to Sioux Falls in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Helena-Sioux Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Helena-Sioux Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Helena-Sioux Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Helena-Sioux Falls flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Helena-Sioux Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Helena to Sioux Falls

Have a flexible travel schedule? Discover the best time to fly to Sioux Falls from Helena with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Helena to Sioux Falls

Get recent, data-driven insights about flights from Helena to Sioux Falls including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Helena to Sioux Falls?

Currently, September is the cheapest month in which you can book a flight from Helena to Sioux Falls (average of $334). Flying from Helena to Sioux Falls in December is currently the most expensive (average of $446). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Sioux Falls by month

Plan your trip to Sioux Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sioux Falls ranges from 0.6 - 3.9 inches per month. June is typically the wettest month, when rainfall can reach 3.9 in. January is typically the driest time to visit Sioux Falls when rainfall is around 0.6 in.

Temperature in Sioux Falls by month

Plan your trip to Sioux Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sioux Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

Reviews of airlines servicing Sioux Falls

Get insights into the airlines that provide service to Sioux Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sioux Falls. Reviews last updated January 13, 2025.
Delta
8.0
Very good
8,505 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,505 reviews
Delta
8.0
Very good
8,505 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,954 reviews
Delta
8.0
Very good
8,505 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Helena to Sioux Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Helena to Sioux Falls round-trip?

    Our cheapest airline available from Helena to Sioux Falls is United Airlines. Our recent data shows that you can find tickets from as low as $270 on this airline. An additional option worth looking into is Delta, starting at $379.

  • Can I find deals for flights from Helena to Sioux Falls that include hotel bookings?

    Yes. In addition to deals on Helena to Sioux Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Helena to Sioux Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Helena to Sioux Falls.

  • Can I find deals for business class flights from Helena to Sioux Falls?

    Yes. Cheapflights offers flight deals from Helena to Sioux Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Helena to Sioux Falls?

    Currently, September is the cheapest month in which you can book a flight from Helena to Sioux Falls (average of $334). Flying from Helena to Sioux Falls in December is currently the most expensive (average of $446). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Helena to Sioux Falls

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Top airline flying from Helena to Sioux Falls

Discover the top airline that operate flights from Helena to Sioux Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$309Average$628FlexibilityNo cancel feeOn-time69%
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