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 $249. Other airlines that can offer you cheap pricing are Delta, from $274, and United Airlines, from $319. You may be able to fly from Missoula to Sioux Falls for 54% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Missoula to Sioux Falls one-way?

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $109. Users have also found prices from $311 and $504 on United Airlines and Delta, respectively.

What is the cheapest day to fly from Missoula to Sioux Falls?

Travelers seeking maximum savings on their Missoula to Sioux Falls flight should consider departing on Wednesday at noon when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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).

What are the most popular airlines that fly from Missoula to Sioux Falls?

Consider American Airlines, Delta or United Airlines when booking your flight. These represent the most popular airlines when flying from Missoula to Sioux Falls.

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

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 216% on your flight compared to booking on days when demand is much higher.

What is the cheapest month to fly from Missoula to Sioux Falls?

Due to multiple factors, expect to potentially pay more when booking in November. For low rates, April can be a great choice for travel to Sioux Falls. Flights to Sioux Falls from Missoula in April are about $548 on average during April, but can be found for as low as $253.

What is the cheapest time of day to fly from MSO to FSD?

It’s typically best to fly out from Missoula to Sioux Falls at noon. Doing so could potentially save you 40% on the flight price compared to flying in the morning, which is usually more expensive.

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.

$109+ Flights from Missoula to Sioux Falls

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Cheap flight deals from Missoula to Sioux Falls

Round-trip from	$249 (American Airlines)
One-way from	$109 (Frontier)
Popular in	November
Cheapest in	April
Average price	$348

From Missoula Johnson-Bell Field to Sioux Falls Joe Foss Field

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One-way flight from Missoula Johnson-Bell Field to Sioux Falls Joe Foss Field

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Highest demand for flights based on searches. 37% potential increase in price ($322 potential increase over avg. RT price).

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Cheapest flight prices on average. 16% potential price decrease ($76 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find 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 julio 29, 2025.

vie. 9/191:51 pmMSO - FSD

1 stop6h 32mAmerican Airlines

dom. 9/217:00 amFSD - MSO

1 stop7h 00mAmerican Airlines

Deal found 7/28

$249

sáb. 10/118:00 amMSO - FSD

1 stop6h 44mDelta

sáb. 10/254:25 pmFSD - MSO

1 stop5h 53mDelta

Deal found 7/29

$274

sáb. 10/112:33 pmMSO - FSD

1 stop4h 48mUnited Airlines

sáb. 10/259:30 amFSD - MSO

1 stop4h 57mUnited Airlines

Deal found 7/28

$319

Best flights from Missoula to Sioux Falls
Discover carefully curated flight deals from Missoula to Sioux Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 29, 2025.

vie. 9/191:51 pmMSO - FSD

1 stop6h 32mAmerican Airlines

dom. 9/217:00 amFSD - MSO

1 stop7h 00mAmerican Airlines

Deal found 7/28

$249

sáb. 10/118:00 amMSO - FSD

1 stop6h 44mDelta

sáb. 10/254:25 pmFSD - MSO

1 stop5h 53mDelta

Deal found 7/29

$274

sáb. 10/112:33 pmMSO - FSD

1 stop4h 48mUnited Airlines

sáb. 10/259:30 amFSD - MSO

1 stop4h 57mUnited Airlines

Deal found 7/28

$319

Last-minute flights from Missoula to Sioux Falls
Discover last-minute flight deals from Missoula to Sioux Falls. Data last updated julio 29, 2025 and is based on user searches.

mar. 8/123:35 pmMSO - FSD

1 stop7h 09mDelta

sáb. 8/1610:59 amFSD - MSO

1 stop4h 40mDelta

Deal found 7/28

$365

One-way flights from Missoula to Sioux Falls
Search for one-way flight options from Missoula to Sioux Falls. Find affordable one-way fares based on user searches. Data last updated julio 29, 2025.

lun. 8/1112:40 pmMSO - FSD

1 stop4h 57mFrontier

Deal found 7/29

$109

sáb. 8/95:20 pmMSO - FSD

1 stop4h 46mUnited Airlines

Deal found 7/29

$311

lun. 8/115:30 amMSO - FSD

2 stops7h 20mDelta

Deal found 7/29

$504

Cheapflights Fare Finder

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

MissoulaSioux Falls

MSO - FSD

MSOFSD

Missoula Johnson-Bell Field

vie. 9/19

1:51 pm-9:23 pm

1 stop6h 32m

Sioux Falls Joe Foss Field

dom. 9/21

7:00 am-1:00 pm

1 stop7h 00m

$249

MissoulaSioux Falls

MSO - FSD

MSOFSD

Missoula Johnson-Bell Field

sáb. 10/11

8:00 am-3:44 pm

1 stop6h 44m

Sioux Falls Joe Foss Field

sáb. 10/25

4:25 pm-9:18 pm

1 stop5h 53m

$274

MissoulaSioux Falls

MSO - FSD

MSOFSD

Missoula Johnson-Bell Field

sáb. 10/11

2:33 pm-8:21 pm

1 stop4h 48m

Sioux Falls Joe Foss Field

sáb. 10/25

9:30 am-1:27 pm

1 stop4h 57m

$319

MissoulaSioux Falls

MSO - FSD

MSOFSD

Missoula Johnson-Bell Field

lun. 8/11

12:40 pm-6:37 pm

1 stop4h 57m

$109

MissoulaSioux Falls

MSO - FSD

MSOFSD

Missoula Johnson-Bell Field

sáb. 8/9

5:20 pm-11:06 pm

1 stop4h 46m

$311

MissoulaSioux Falls

MSO - FSD

MSOFSD

Missoula Johnson-Bell Field

lun. 8/11

5:30 am-1:50 pm

2 stops7h 20m

$504

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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, September is the cheapest month in which you can book a flight from Missoula to Sioux Falls (average of $334). Flying from Missoula 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.

Reviews of airlines servicing Sioux Falls

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

Delta

8.0

Very good

7,977 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,977 reviews

Delta

8.0

Very good

7,977 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,899 reviews

Delta

8.0

Very good

7,977 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,977 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Frontier

5.9

Fair

3,238 reviews

Delta

8.0

Very good

7,977 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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 $249. Other airlines that can offer you cheap pricing are Delta, from $274, and United Airlines, from $319. You may be able to fly from Missoula to Sioux Falls for 54% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Missoula to Sioux Falls one-way?
For one-way options, check prices for Frontier. According to our data, you can fly for as low as $109. Users have also found prices from $311 and $504 on United Airlines and Delta, respectively.
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, September is the cheapest month in which you can book a flight from Missoula to Sioux Falls (average of $334). Flying from Missoula 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Missoula to Sioux Falls

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$248	Average$493	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$273	Average$417	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$318	Average$348	FlexibilityNo cancel fee	On-time71%

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$109+ Cheap flights from Missoula to Sioux Falls (MSO - FSD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Missoula to Sioux Falls with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Missoula to Sioux Falls

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Missoula to Sioux Falls

Cheapest flights from Missoula to Sioux FallsExplore 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 julio 29, 2025.

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 julio 29, 2025.

Cheapflights Fare Finder

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

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.

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?

Reviews of airlines servicing Sioux Falls

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

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.

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

What are the cheapest airlines to fly from Missoula to Sioux Falls one-way?

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Missoula to Sioux Falls

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Missoula to Sioux Falls

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Book with Flexibility

Travel Smart

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 julio 29, 2025.