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

Allegiant Air, United Airlines, and Delta 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 Bozeman (a popular airport in Montana) to Rapid City (the most popular airport in South Dakota), then the flight time is 4h 04m on average. If you fly from Billings (another popular airport in Montana) to Rapid City, then the average flight time is 4h 25m.

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 May 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.

$174 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.

6:00 am - 1:10 pm

BZN

FSD

6h 10m

1 stop

1:53 pm - 7:45 pm

FSD

BZN

6h 52m

1 stop

$271Delta

Wed, Jul 1 - Fri, Jul 3

10:04 am - 12:06 pm

BZN

FSD

25h 02m

1 stop

3:36 pm - 3:57 pm

FSD

BZN

25h 21m

1 stop

$320Allegiant Air

Fri, Jun 19 - Wed, Jun 24

2:26 pm - 8:08 pm

BZN

FSD

4h 42m

1 stop

6:00 am - 11:44 am

FSD

BZN

6h 44m

1 stop

$325United Airlines

Fri, May 29 - Sun, May 31

2:37 pm - 8:08 pm

GTF

FSD

4h 31m

1 stop

9:30 am - 1:41 pm

FSD

GTF

5h 11m

1 stop

$328United Airlines

Fri, May 29 - Tue, Jun 2

5:56 pm - 7:50 pm

BIL

FSD

24h 54m

1 stop

8:53 pm - 5:06 pm

FSD

BIL

21h 13m

1 stop

$338Allegiant Air

Thu, Jul 16 - Wed, Jul 22

6:35 pm - 8:38 pm

BZN

FSD

25h 03m

1 stop

9:28 pm - 9:14 am

FSD

BZN

12h 46m

1 stop

$341Allegiant Air

Sat, Jun 20 - Thu, Jun 25

5:56 pm - 7:50 pm

BIL

FSD

24h 54m

1 stop

8:53 pm - 5:06 pm

FSD

BIL

21h 13m

1 stop

$342Allegiant Air

Thu, Jul 16 - Wed, Jul 22

2:18 pm - 10:14 pm

MSO

FSD

6h 56m

1 stop

6:00 am - 1:25 pm

FSD

MSO

8h 25m

1 stop

$358American Airlines

Mon, Jun 1 - Tue, Jun 9

5:56 pm - 7:50 pm

BIL

FSD

24h 54m

1 stop

3:36 pm - 5:06 pm

FSD

BIL

26h 30m

2 stops

$366Multiple Airlines

Thu, Jul 16 - Wed, Jul 22

2:10 pm - 2:46 pm

BIL

FSD

23h 36m

2 stops

8:53 pm - 5:06 pm

FSD

BIL

21h 13m

1 stop

$368Multiple Airlines

Tue, Jul 14 - Wed, Jul 22

United Airlines flights from Montana to South Dakota

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

United Airlines

May 29

BZN2:26 pmBozeman Gallatin Field

4h 42m

1 stop

FSD8:08 pmSioux Falls Joe Foss Field

May 31

FSD6:00 amSioux Falls Joe Foss Field

6h 44m

1 stop

BZN11:44 amBozeman Gallatin Field

$325

United Airlines

May 29

GTF2:37 pmGreat Falls

4h 31m

1 stop

FSD8:08 pmSioux Falls Joe Foss Field

Jun 2

FSD9:30 amSioux Falls Joe Foss Field

5h 11m

1 stop

GTF1:41 pmGreat Falls

$328

United Airlines

Oct 28

BIL2:40 pmBillings Logan Intl

4h 28m

1 stop

RAP7:08 pmRapid City

Oct 31

RAP5:30 amRapid City

4h 21m

1 stop

BIL9:51 amBillings Logan Intl

$349

Delta flights from Montana to South Dakota

Our best Delta deals on Montana to South Dakota flight tickets

Delta

Jul 1

BZN6:00 amBozeman Gallatin Field

6h 10m

1 stop

FSD1:10 pmSioux Falls Joe Foss Field

Jul 3

FSD1:53 pmSioux Falls Joe Foss Field

6h 52m

1 stop

BZN7:45 pmBozeman Gallatin Field

$271

Delta

Jun 1

MSO3:30 pmMissoula Johnson-Bell Field

6h 41m

1 stop

FSD11:11 pmSioux Falls Joe Foss Field

Jun 9

FSD10:56 amSioux Falls Joe Foss Field

4h 43m

1 stop

MSO2:39 pmMissoula Johnson-Bell Field

$360

Delta

Jun 1

MSO1:14 pmMissoula Johnson-Bell Field

8h 57m

2 stops

FSD11:11 pmSioux Falls Joe Foss Field

Jun 9

FSD10:56 amSioux Falls Joe Foss Field

4h 43m

1 stop

MSO2:39 pmMissoula Johnson-Bell Field

$410

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BozemanSioux Falls

BZN - FSD

BZNFSD

Bozeman Gallatin Field

Wed 7/1

6:00 am-1:10 pm

1 stop6h 10m

Sioux Falls Joe Foss Field

Fri 7/3

1:53 pm-7:45 pm

1 stop6h 52m

$271

BozemanSioux Falls

BZN - FSD

BZNFSD

Bozeman Gallatin Field

Fri 6/19

10:04 am-12:06 pm

1 stop25h 02m

Sioux Falls Joe Foss Field

Wed 6/24

3:36 pm-3:57 pm

1 stop25h 21m

$320

BozemanSioux Falls

BZN - FSD

BZNFSD

Bozeman Gallatin Field

Fri 5/29

2:26 pm-8:08 pm

1 stop4h 42m

Sioux Falls Joe Foss Field

Sun 5/31

6:00 am-11:44 am

1 stop6h 44m

$325

Quickest round-trip

Great FallsSioux Falls

GTF - FSD

GTFFSD

Great Falls

Fri 5/29

2:37 pm-8:08 pm

1 stop4h 31m

Sioux Falls Joe Foss Field

Tue 6/2

9:30 am-1:41 pm

1 stop5h 11m

$328

BillingsSioux Falls

BIL - FSD

BILFSD

Billings Logan Intl

Thu 7/16

5:56 pm-7:50 pm

1 stop24h 54m

Sioux Falls Joe Foss Field

Wed 7/22

8:53 pm-5:06 pm

1 stop21h 13m

$338

BozemanSioux Falls

BZN - FSD

BZNFSD

Bozeman Gallatin Field

Sat 6/20

6:35 pm-8:38 pm

1 stop25h 03m

Sioux Falls Joe Foss Field

Thu 6/25

9:28 pm-9:14 am

1 stop12h 46m

$341

BillingsSioux Falls

BIL - FSD

BILFSD

Billings Logan Intl

Thu 7/16

5:56 pm-7:50 pm

1 stop24h 54m

Sioux Falls Joe Foss Field

Wed 7/22

8:53 pm-5:06 pm

1 stop21h 13m

$342

MissoulaSioux Falls

MSO - FSD

MSOFSD

Missoula Johnson-Bell Field

Mon 6/1

2:18 pm-10:14 pm

1 stop6h 56m

Sioux Falls Joe Foss Field

Tue 6/9

6:00 am-1:25 pm

1 stop8h 25m

$358

BillingsSioux Falls

BIL - FSD

BILFSD

Billings Logan Intl

Thu 7/16

5:56 pm-7:50 pm

1 stop24h 54m

Sioux Falls Joe Foss Field

Wed 7/22

3:36 pm-5:06 pm

2 stops26h 30m

$366

BillingsSioux Falls

BIL - FSD

BILFSD

Billings Logan Intl

Tue 7/14

2:10 pm-2:46 pm

2 stops23h 36m

Sioux Falls Joe Foss Field

Wed 7/22

8:53 pm-5:06 pm

1 stop21h 13m

$368

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 June is, on average, the cheapest month to fly to South Dakota from Montana, with most prices found around $110. If you aren’t able to travel to South Dakota during the month of June, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $179.

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 04m
Direct flights	None

The fastest flight from Montana to South Dakota takes 4h 04m

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

Search flight deals

Frequently asked questions about flying from Montana to South Dakota

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 May 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 8,447 reviews		Search Delta flights
United Airlines	PriceFrom $210	Free Cancellation	Rating 7.4 9,737 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.