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$319+ Cheap flights from Missoula to Sioux Falls (MSO - 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — FSD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Missoula to Sioux Falls

Cheapest flights from Missoula to Sioux Falls
Explore the most affordable flight options available from Missoula to Sioux Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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.
Mon 12/155:20 pmMSO - FSD
1 stop5h 23mUnited Airlines
Tue 12/169:00 amFSD - MSO
1 stop8h 10mUnited Airlines
Deal found 12/10$681
This Delta deal was found by Cheapflights users on 12/10. 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.
Mon 12/151:13 pmMSO - FSD
2 stops8h 59mDelta
Tue 12/164:25 pmFSD - MSO
2 stops9h 11mDelta
Deal found 12/10$721

Find flight deals from Missoula to Sioux Falls

Discover tips and strategies to find the most affordable flight options for your journey from Missoula (MSO) 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$319
(United Airlines)

Popular in

January

Cheapest in

October

Average price

$364
Provider with most accurate pricing for Missoula Johnson-Bell Field-Sioux Falls Joe Foss Field flight deals.
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Provider most trusted by Cheapflights users for Missoula Johnson-Bell Field-Sioux Falls Joe Foss Field flights.
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From Missoula Johnson-Bell Field to Sioux Falls Joe Foss Field
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($102 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Missoula 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 December 12, 2025.
Use the filters below to find and compare flights from Missoula to Sioux Falls that are best for you.

Fly from

Missoula

Fly to

Sioux Falls

Route

Depart

Return

Price

MissoulaSioux Falls

MSO - FSD

MSOFSD

Missoula Johnson-Bell Field

Wed 1/21

5:15 pm-11:44 pm

1 stop5h 29m

Sioux Falls Joe Foss Field

Sun 1/25

9:00 am-4:02 pm

1 stop8h 02m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Compare providers for flights from Missoula 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 Missoula to Sioux Falls in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 Missoula-Sioux Falls flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Missoula-Sioux Falls flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Missoula-Sioux Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Missoula-Sioux Falls flights, Cheapflights users trust eDreams the most. eDreams 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 Missoula-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 Missoula to Sioux Falls

Have a flexible travel schedule? Discover the best time to fly to Sioux Falls from Missoula 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.

Cheapflights Insights

Everything you need to know about your flight from Missoula to Sioux Falls

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

Currently, June is the cheapest month in which you can book a flight from Missoula to Sioux Falls (average of $146). Flying from Missoula to Sioux Falls in May is currently the most expensive (average of $560). 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.

How much does it cost to fly round-trip from Missoula to Sioux Falls?

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 December 12, 2025.
Read through reviews of airlines operating flights from Missoula to Sioux Falls, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

  • How long is the flight from Missoula to Sioux Falls?

    Airlines like United Airlines fly from Missoula to Sioux Falls in about 5h 29m. The time it takes to get you to your destination can typically vary by up to . Missoula and Sioux Falls are separated by a distance of 872 mi.

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

    Cheapflights users have booked flights from Missoula to Sioux Falls round-trip from $248. Another airline that can offer you cheap pricing is Delta. You may be able to fly from Missoula to Sioux Falls for 41% less than the average price by searching for these airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Missoula 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 Missoula to Sioux Falls?

    Currently, June is the cheapest month in which you can book a flight from Missoula to Sioux Falls (average of $146). Flying from Missoula to Sioux Falls in May is currently the most expensive (average of $560). 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.

See more FAQs

Traveling to a place near Sioux Falls?

Book flights to Sioux Falls if you plan to visit one of these locations
Marshall

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Alternative routes for Missoula to Sioux Falls

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Missoula to Sioux Falls

Discover the top 2 airlines that operate flights from Missoula 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$248Average$397FlexibilityNo cancel feeOn-time69%
DeltaCheapest$273Average$364FlexibilityNo cancel feeOn-timeN/A

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