What is the cheapest airline that flies from Montana to South Dakota?

United Airlines and Allegiant Air are the most popular carriers operating from Montana to South Dakota

How long is the flight from Montana to South Dakota?

The flight from Montana to South Dakota depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Billings (a popular airport in Montana) to Sioux Falls (the most popular airport in South Dakota), then the flight time is 5h 04m on average. If you fly from Great Falls (another popular airport in Montana) to Sioux Falls, then the average flight time is 5h 30m.

When did momondo last update prices for flights from Montana to South Dakota?

Prices for flights from Montana to South Dakota refresh daily.

How many operators does momondo search for flights from Montana to South Dakota?

The number of operators available for flights from Montana to South Dakota is 2 as of February 2026.

How old do you have to be to fly from Montana to South Dakota?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montana to South Dakota.

What documentation or ID do you need to fly to South Dakota?

The necessary travel and health documents for your South Dakota trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$211 Cheap Flights from Montana to South Dakota in 2026

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Find the cheapest flights from Montana to South Dakota

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:19 pm - 11:44 pm

BZN

FSD

6h 25m

1 stop

6:00 am - 9:47 am

FSD

BZN

4h 47m

1 stop

$211United Airlines

Fri, Apr 3 - Sun, Apr 5

5:58 am - 12:53 pm

BZN

FSD

5h 55m

1 stop

1:34 pm - 8:14 pm

FSD

BZN

7h 40m

1 stop

$221Delta

Tue, Mar 31 - Mon, Apr 6

5:20 am - 3:42 pm

BZN

FSD

9h 22m

2 stops

1:34 pm - 8:14 pm

FSD

BZN

7h 40m

1 stop

$226Delta

Wed, Apr 1 - Sat, Apr 4

5:58 am - 12:53 pm

BZN

FSD

5h 55m

1 stop

8:05 am - 12:34 pm

FSD

BZN

5h 29m

1 stop

$230Delta

Thu, Apr 9 - Thu, Apr 16

5:20 am - 3:42 pm

BZN

FSD

9h 22m

2 stops

1:34 pm - 11:10 pm

FSD

BZN

10h 36m

2 stops

$231Delta

Wed, Apr 1 - Tue, Apr 7

4:19 pm - 11:44 pm

BZN

FSD

6h 25m

1 stop

6:00 am - 9:47 am

FSD

BZN

4h 47m

1 stop

$244United Airlines

Fri, Apr 17 - Mon, Apr 20

4:19 pm - 11:44 pm

BZN

FSD

6h 25m

1 stop

6:00 am - 9:47 am

FSD

BZN

4h 47m

1 stop

$246United Airlines

Sat, Apr 4 - Sun, Apr 5

4:29 pm - 11:44 pm

BZN

FSD

6h 15m

1 stop

7:40 am - 3:23 pm

FSD

BZN

8h 43m

2 stops

$248United Airlines

Fri, Feb 27 - Tue, Mar 3

6:20 am - 1:13 pm

BZN

RAP

6h 53m

1 stop

8:30 am - 3:23 pm

RAP

BZN

6h 53m

1 stop

$259United Airlines

Thu, Feb 26 - Mon, Mar 2

6:45 am - 11:06 pm

MSO

FSD

15h 21m

2 stops

6:46 am - 9:45 pm

FSD

MSO

15h 59m

2 stops

$1,299American Airlines

Thu, May 7 - Fri, May 8

United Airlines flights from Montana to South Dakota

Our best United Airlines deals on Montana to South Dakota flight tickets

United Airlines

Apr 3

BZN4:19 pmBozeman Gallatin Field

6h 25m

1 stop

FSD11:44 pmSioux Falls Joe Foss Field

Apr 5

FSD6:00 amSioux Falls Joe Foss Field

4h 47m

1 stop

BZN9:47 amBozeman Gallatin Field

$211

United Airlines

Apr 17

BZN4:19 pmBozeman Gallatin Field

6h 25m

1 stop

FSD11:44 pmSioux Falls Joe Foss Field

Apr 20

FSD6:00 amSioux Falls Joe Foss Field

4h 47m

1 stop

BZN9:47 amBozeman Gallatin Field

$244

United Airlines

Apr 4

BZN4:19 pmBozeman Gallatin Field

6h 25m

1 stop

FSD11:44 pmSioux Falls Joe Foss Field

Apr 5

FSD6:00 amSioux Falls Joe Foss Field

4h 47m

1 stop

BZN9:47 amBozeman Gallatin Field

$246

Delta flights from Montana to South Dakota

Our best Delta deals on Montana to South Dakota flight tickets

Delta

Mar 31

BZN5:58 amBozeman Gallatin Field

5h 55m

1 stop

FSD12:53 pmSioux Falls Joe Foss Field

Apr 6

FSD1:34 pmSioux Falls Joe Foss Field

7h 40m

1 stop

BZN8:14 pmBozeman Gallatin Field

$221

Delta

Apr 1

BZN5:20 amBozeman Gallatin Field

9h 22m

2 stops

FSD3:42 pmSioux Falls Joe Foss Field

Apr 4

FSD1:34 pmSioux Falls Joe Foss Field

7h 40m

1 stop

BZN8:14 pmBozeman Gallatin Field

$226

Delta

Apr 9

BZN5:58 amBozeman Gallatin Field

5h 55m

1 stop

FSD12:53 pmSioux Falls Joe Foss Field

Apr 16

FSD8:05 amSioux Falls Joe Foss Field

5h 29m

1 stop

BZN12:34 pmBozeman Gallatin Field

$230

Fly from

Fly to

Route

Depart

Return

Price

BozemanSioux Falls

BZN - FSD

BZNFSD

Bozeman Gallatin Field

Fri 4/3

4:19 pm-11:44 pm

1 stop6h 25m

Sioux Falls Joe Foss Field

Sun 4/5

6:00 am-9:47 am

1 stop4h 47m

$211

BozemanSioux Falls

BZN - FSD

BZNFSD

Bozeman Gallatin Field

Tue 3/31

5:58 am-12:53 pm

1 stop5h 55m

Sioux Falls Joe Foss Field

Mon 4/6

1:34 pm-8:14 pm

1 stop7h 40m

$221

BozemanSioux Falls

BZN - FSD

BZNFSD

Bozeman Gallatin Field

Wed 4/1

5:20 am-3:42 pm

2 stops9h 22m

Sioux Falls Joe Foss Field

Sat 4/4

1:34 pm-8:14 pm

1 stop7h 40m

$226

BozemanSioux Falls

BZN - FSD

BZNFSD

Bozeman Gallatin Field

Thu 4/9

5:58 am-12:53 pm

1 stop5h 55m

Sioux Falls Joe Foss Field

Thu 4/16

8:05 am-12:34 pm

1 stop5h 29m

$230

BozemanSioux Falls

BZN - FSD

BZNFSD

Bozeman Gallatin Field

Wed 4/1

5:20 am-3:42 pm

2 stops9h 22m

Sioux Falls Joe Foss Field

Tue 4/7

1:34 pm-11:10 pm

2 stops10h 36m

$231

BozemanSioux Falls

BZN - FSD

BZNFSD

Bozeman Gallatin Field

Fri 4/17

4:19 pm-11:44 pm

1 stop6h 25m

Sioux Falls Joe Foss Field

Mon 4/20

6:00 am-9:47 am

1 stop4h 47m

$244

BozemanSioux Falls

BZN - FSD

BZNFSD

Bozeman Gallatin Field

Sat 4/4

4:19 pm-11:44 pm

1 stop6h 25m

Sioux Falls Joe Foss Field

Sun 4/5

6:00 am-9:47 am

1 stop4h 47m

$246

BozemanSioux Falls

BZN - FSD

BZNFSD

Bozeman Gallatin Field

Fri 2/27

4:29 pm-11:44 pm

1 stop6h 15m

Sioux Falls Joe Foss Field

Tue 3/3

7:40 am-3:23 pm

2 stops8h 43m

$248

BozemanRapid City

BZN - RAP

BZNRAP

Bozeman Gallatin Field

Thu 2/26

6:20 am-1:13 pm

1 stop6h 53m

Rapid City

Mon 3/2

8:30 am-3:23 pm

1 stop6h 53m

$259

MissoulaSioux Falls

MSO - FSD

MSOFSD

Missoula Johnson-Bell Field

Thu 5/7

6:45 am-11:06 pm

2 stops15h 21m

Sioux Falls Joe Foss Field

Fri 5/8

6:46 am-9:45 pm

2 stops15h 59m

$1,299

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Montana to South Dakota

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to South Dakota?

The month of January is, on average, the cheapest month to fly to South Dakota from Montana, with most prices found around $210. If you aren’t able to travel to South Dakota during the month of January, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $225.

Cheap Montana to South Dakota flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montana to South Dakota

Fastest flight time	4h 19m
Direct flights	None

The fastest flight from Montana to South Dakota takes 4h 19m

There are no direct flights from Montana to South Dakota. There are no popular flight routes from Montana to South Dakota.

Search flight deals

When did momondo last update prices for flights from Montana to South Dakota?
Prices for flights from Montana to South Dakota refresh daily.
How many operators does momondo search for flights from Montana to South Dakota?
The number of operators available for flights from Montana to South Dakota is 2 as of February 2026.
How old do you have to be to fly from Montana to South Dakota?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montana to South Dakota.
What documentation or ID do you need to fly to South Dakota?
The necessary travel and health documents for your South Dakota trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Montana to South Dakota

Compare and see reviews for airlines that fly from Montana to South Dakota with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $179	Free Cancellation	Rating 7.9 8,191 reviews		Search Delta flights
United Airlines	PriceFrom $210	Free Cancellation	Rating 7.4 9,286 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Montana to South Dakota?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Montana to South Dakota. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Montana to South Dakota with flexible booking policies on momondo?

momondo does allow users to show only those flights to South Dakota from Montana which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Montana to South Dakota?

momondo helps you find the best flight between Montana and South Dakota by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Montana to South Dakota right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to South Dakota from Montana. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.