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$329+ 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — FSD
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
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 July 25, 2026.

This Delta deal was found by Cheapflights users on 7/24. 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.
Fri 10/26:00 am
MSO
-
FSD
1 stop5h 19m
Delta
Sun 10/48:23 am
FSD
-
MSO
1 stop7h 19m
Delta
Deal found 7/24$329
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Sat 8/295:24 pm
MSO
-
FSD
1 stop5h 20m
United Airlines
Tue 9/15:05 pm
FSD
-
MSO
1 stop5h 26m
United Airlines
Deal found 7/20$389
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Sat 11/146:15 am
MSO
-
FSD
1 stop5h 05m
United Airlines
Tue 11/175:05 pm
FSD
-
MSO
1 stop5h 30m
United Airlines
Deal found 7/21$399
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/610:24 am
MSO
-
FSD
1 stop23h 28m
Multiple Airlines
Fri 8/148:08 pm
FSD
-
MSO
2 stops43h 54m
Multiple Airlines
Deal found 7/24$417
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Fri 9/45:24 pm
MSO
-
FSD
1 stop5h 20m
United Airlines
Wed 9/99:35 am
FSD
-
MSO
2 stops13h 55m
United Airlines
Deal found 7/24$510

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 July 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$329
(Delta)

Popular in

June

Cheapest in

January

Average price

$499
Provider with most accurate pricing for Missoula Johnson-Bell Field-Sioux Falls Joe Foss Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Missoula Johnson-Bell Field-Sioux Falls Joe Foss Field flights.
Search Deals
From Missoula Johnson-Bell Field to Sioux Falls Joe Foss Field
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($104 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 25, 2026.
Use the filters below to find and compare flights from Missoula to Sioux Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MissoulaSioux Falls

MSO - FSD

MSOFSD

Missoula Johnson-Bell Field

Fri 10/2

6:00 am-12:19 pm

1 stop5h 19m

Sioux Falls Joe Foss Field

Sun 10/4

8:23 am-2:42 pm

1 stop7h 19m

$329

MissoulaSioux Falls

MSO - FSD

MSOFSD

Missoula Johnson-Bell Field

Sat 8/29

5:24 pm-11:44 pm

1 stop5h 20m

Sioux Falls Joe Foss Field

Tue 9/1

5:05 pm-9:31 pm

1 stop5h 26m

$389
Quickest round-trip

MissoulaSioux Falls

MSO - FSD

MSOFSD

Missoula Johnson-Bell Field

Sat 11/14

6:15 am-12:20 pm

1 stop5h 05m

Sioux Falls Joe Foss Field

Tue 11/17

5:05 pm-9:35 pm

1 stop5h 30m

$389

MissoulaSioux Falls

MSO - FSD

MSOFSD

Missoula Johnson-Bell Field

Fri 9/4

5:24 pm-11:44 pm

1 stop5h 20m

Sioux Falls Joe Foss Field

Wed 9/9

9:35 am-10:30 pm

2 stops13h 55m

$515
Cheapest one-way
Quickest one-way

MissoulaSioux Falls

MSO - FSD

MSOFSD

Missoula Johnson-Bell Field

Sat 8/1

5:55 am-12:31 pm

1 stop5h 36m

$424

MissoulaSioux Falls

MSO - FSD

MSOFSD

Missoula Johnson-Bell Field

Sat 8/1

7:15 am-8:08 pm

2 stops11h 53m

$685

MissoulaSioux Falls

MSO - FSD

MSOFSD

Missoula Johnson-Bell Field

Sat 8/1

5:00 pm-4:14 pm

3 stops22h 14m

$804

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Sorted by cheapest first

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Missoula-Sioux Falls flight deals on Cheapflights vs. FlightHub >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 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 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.

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 July 25, 2026.
Read through reviews of airlines operating flights from Missoula to Sioux Falls, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,034 reviews

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
10,034 reviews
United Airlines
7.4
Good
10,034 reviews

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

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 Delta and United Airlines fly from Missoula to Sioux Falls in about 5h 19m. The time it takes to get you to your destination can typically vary by up to 01m. Missoula and Sioux Falls are separated by a distance of 872 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Missoula to Sioux Falls round-trip?

    Cheapflights users have booked flights from Missoula to Sioux Falls round-trip from $248. You may be able to fly from Missoula to Sioux Falls for 39% less than the average price by searching for this airline.

  • 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.

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
Yankton

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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 airline flying from Missoula to Sioux Falls

Discover the top airline 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 July 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$248Average$499FlexibilityNo cancel feeOn-time69%

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