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

United Airlines, American 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 Great Falls (a popular airport in Montana) to Sioux Falls (the most popular airport in South Dakota), then the flight time is 4h 19m on average. If you fly from Missoula (another popular airport in Montana) to Sioux Falls, then the average flight time is 4h 22m.

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 August 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.

$203 Cheap Flights from Montana to South Dakota in 2026

Discover deals from 900+ travel sites with momondo.

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.

5:55 pm - 11:44 pmBIL Billings Logan Intl-FSD Sioux Falls Joe Foss Field

4h 49m1 stop Denver Intl

5:55 am - 9:45 amFSD Sioux Falls Joe Foss Field-BIL Billings Logan Intl

4h 50m1 stop Denver Intl

$319United Airlines

Fri, Oct 30 - Mon, Nov 2

4:32 pm - 11:44 pmBZN Bozeman Gallatin Field-FSD Sioux Falls Joe Foss Field

6h 12m1 stop Denver Intl

6:00 am - 9:39 amFSD Sioux Falls Joe Foss Field-BZN Bozeman Gallatin Field

4h 39m1 stop Denver Intl

$319United Airlines

Thu, Sep 17 - Wed, Sep 23

12:02 pm - 9:48 pmBZN Bozeman Gallatin Field-FSD Sioux Falls Joe Foss Field

8h 46m1 stop Dallas/Fort Worth

6:00 am - 11:09 amFSD Sioux Falls Joe Foss Field-BZN Bozeman Gallatin Field

6h 09m1 stop Dallas/Fort Worth

$319American Airlines

Thu, Oct 1 - Sun, Oct 4

4:30 pm - 11:44 pmBZN Bozeman Gallatin Field-FSD Sioux Falls Joe Foss Field

6h 14m1 stop Denver Intl

6:00 am - 9:46 amFSD Sioux Falls Joe Foss Field-BZN Bozeman Gallatin Field

4h 46m1 stop Denver Intl

$319United Airlines

Thu, Oct 1 - Sun, Oct 4

4:30 pm - 11:44 pmBZN Bozeman Gallatin Field-FSD Sioux Falls Joe Foss Field

6h 14m1 stop Denver Intl

6:00 am - 9:46 amFSD Sioux Falls Joe Foss Field-BZN Bozeman Gallatin Field

4h 46m1 stop Denver Intl

$319United Airlines

Fri, Oct 2 - Sun, Oct 4

12:50 pm - 10:51 pmMSO Missoula Johnson-Bell Field-FSD Sioux Falls Joe Foss Field

9h 01m2 stops Salt Lake City Minneapolis St Paul

4:09 pm - 8:12 pmFSD Sioux Falls Joe Foss Field-MSO Missoula Johnson-Bell Field

5h 03m1 stop Minneapolis St Paul

$324Delta

Fri, Jan 15 - Tue, Jan 19

12:50 pm - 10:51 pmMSO Missoula Johnson-Bell Field-FSD Sioux Falls Joe Foss Field

9h 01m2 stops Salt Lake City Minneapolis St Paul

1:00 pm - 12:31 amFSD Sioux Falls Joe Foss Field-MSO Missoula Johnson-Bell Field

12h 31m2 stops Minneapolis St Paul Salt Lake City

$329Delta

Fri, Jan 15 - Tue, Jan 19

6:44 pm - 8:07 pmBZN Bozeman Gallatin Field-FSD Sioux Falls Joe Foss Field

24h 23m2 stops Las Vegas Harry Reid Intl Denver Intl

9:55 am - 5:24 pmFSD Sioux Falls Joe Foss Field-BZN Bozeman Gallatin Field

8h 29m1 stop Nashville Intl

$343Multiple Airlines

Thu, Sep 10 - Mon, Sep 21

6:00 am - 7:29 pmBZN Bozeman Gallatin Field-FSD Sioux Falls Joe Foss Field

12h 29m2 stops Salt Lake City Minneapolis St Paul

11:05 am - 2:50 pmFSD Sioux Falls Joe Foss Field-BZN Bozeman Gallatin Field

4h 45m1 stop Minneapolis St Paul

$354Delta

Sat, Aug 29 - Mon, Aug 31

12:02 pm - 9:48 pmBZN Bozeman Gallatin Field-FSD Sioux Falls Joe Foss Field

8h 46m1 stop Dallas/Fort Worth

6:00 am - 11:09 amFSD Sioux Falls Joe Foss Field-BZN Bozeman Gallatin Field

6h 09m1 stop Dallas/Fort Worth

$374American Airlines

Thu, Oct 1 - Sun, Oct 4

Cheap last minute flights

Enter your travel dates to find the best prices.

4:30 pm - 11:22 pmBZN Bozeman Gallatin Field-FSD Sioux Falls Joe Foss Field

5h 52m1 stop Chicago O'Hare Intl

6:00 am - 9:39 amFSD Sioux Falls Joe Foss Field-BZN Bozeman Gallatin Field

4h 39m1 stop Denver Intl

$409United Airlines

Fri, Aug 21 - Mon, Aug 24

1:00 pm - 10:51 pmBZN Bozeman Gallatin Field-FSD Sioux Falls Joe Foss Field

8h 51m2 stops Salt Lake City Minneapolis St Paul

8:22 am - 2:50 pmFSD Sioux Falls Joe Foss Field-BZN Bozeman Gallatin Field

7h 28m1 stop Minneapolis St Paul

$414Delta

Fri, Aug 21 - Mon, Aug 24

10:38 am - 6:15 pmMSO Missoula Johnson-Bell Field-FSD Sioux Falls Joe Foss Field

6h 37m1 stop Denver Intl

6:00 am - 9:57 amFSD Sioux Falls Joe Foss Field-MSO Missoula Johnson-Bell Field

4h 57m1 stop Denver Intl

$424United Airlines

Fri, Aug 21 - Sun, Aug 23

2:30 pm - 8:07 pmBZN Bozeman Gallatin Field-FSD Sioux Falls Joe Foss Field

4h 37m1 stop Denver Intl

5:05 pm - 9:19 pmFSD Sioux Falls Joe Foss Field-BZN Bozeman Gallatin Field

5h 14m1 stop Denver Intl

$424United Airlines

Wed, Aug 19 - Sat, Aug 22

11:27 am - 7:29 pmBZN Bozeman Gallatin Field-FSD Sioux Falls Joe Foss Field

7h 02m1 stop Minneapolis St Paul

5:00 am - 10:21 amFSD Sioux Falls Joe Foss Field-BZN Bozeman Gallatin Field

6h 21m1 stop Minneapolis St Paul

$424Delta

Thu, Aug 20 - Sun, Aug 23

4:30 pm - 11:22 pmBZN Bozeman Gallatin Field-FSD Sioux Falls Joe Foss Field

5h 52m1 stop Chicago O'Hare Intl

5:05 pm - 9:19 pmFSD Sioux Falls Joe Foss Field-BZN Bozeman Gallatin Field

5h 14m1 stop Denver Intl

$424United Airlines

Thu, Aug 20 - Sat, Aug 22

4:32 pm - 11:44 pmBZN Bozeman Gallatin Field-FSD Sioux Falls Joe Foss Field

6h 12m1 stop Denver Intl

7:47 am - 3:23 pmFSD Sioux Falls Joe Foss Field-BZN Bozeman Gallatin Field

8h 36m1 stop Chicago O'Hare Intl

$424United Airlines

Thu, Aug 20 - Sun, Aug 23

3:55 pm - 10:51 pmBZN Bozeman Gallatin Field-FSD Sioux Falls Joe Foss Field

5h 56m1 stop Minneapolis St Paul

1:26 pm - 10:03 pmFSD Sioux Falls Joe Foss Field-BZN Bozeman Gallatin Field

9h 37m2 stops Minneapolis St Paul Salt Lake City

$429Delta

Thu, Aug 20 - Sat, Aug 22

1:00 pm - 10:51 pmBZN Bozeman Gallatin Field-FSD Sioux Falls Joe Foss Field

8h 51m2 stops Salt Lake City Minneapolis St Paul

4:28 pm - 12:04 amFSD Sioux Falls Joe Foss Field-BZN Bozeman Gallatin Field

8h 36m2 stops Minneapolis St Paul Salt Lake City

$703Delta

Fri, Aug 21 - Mon, Aug 24

6:26 am - 12:30 amBZN Bozeman Gallatin Field-FSD Sioux Falls Joe Foss Field

17h 04m2 stops Dallas/Fort Worth Chicago O'Hare Intl

5:23 pm - 11:05 amFSD Sioux Falls Joe Foss Field-BZN Bozeman Gallatin Field

18h 42m2 stops Chicago O'Hare Intl Dallas/Fort Worth

$818American Airlines

Thu, Aug 20 - Sun, Aug 23

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United Airlines flights from Montana to South Dakota

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

United Airlines

Oct 1

BZN4:30 pmBozeman Gallatin Field

6h 14m

1 stop

FSD11:44 pmSioux Falls Joe Foss Field

Oct 4

FSD6:00 amSioux Falls Joe Foss Field

4h 46m

1 stop

BZN9:46 amBozeman Gallatin Field

$319

United Airlines

Oct 31

BZN4:32 pmBozeman Gallatin Field

6h 12m

1 stop

FSD11:44 pmSioux Falls Joe Foss Field

Nov 3

FSD7:48 amSioux Falls Joe Foss Field

8h 42m

2 stops

BZN3:30 pmBozeman Gallatin Field

$324

United Airlines

Aug 28

BZN2:30 pmBozeman Gallatin Field

6h 07m

1 stop

RAP8:37 pmRapid City

Sep 1

RAP3:27 pmRapid City

5h 52m

1 stop

BZN9:19 pmBozeman Gallatin Field

$329

Delta flights from Montana to South Dakota

Our best Delta deals on Montana to South Dakota flight tickets

Delta

Jan 15

MSO12:50 pmMissoula Johnson-Bell Field

9h 01m

2 stops

FSD10:51 pmSioux Falls Joe Foss Field

Jan 19

FSD4:09 pmSioux Falls Joe Foss Field

5h 03m

1 stop

MSO8:12 pmMissoula Johnson-Bell Field

$324

Delta

Jan 15

MSO12:50 pmMissoula Johnson-Bell Field

9h 01m

2 stops

FSD10:51 pmSioux Falls Joe Foss Field

Jan 19

FSD1:00 pmSioux Falls Joe Foss Field

12h 31m

2 stops

MSO12:31 amMissoula Johnson-Bell Field

$329

Delta

Aug 29

BZN6:00 amBozeman Gallatin Field

12h 29m

2 stops

FSD7:29 pmSioux Falls Joe Foss Field

Sep 2

FSD8:22 amSioux Falls Joe Foss Field

7h 28m

1 stop

BZN2:50 pmBozeman Gallatin Field

$354

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

BillingsSioux Falls

BIL Billings Logan Intl - FSD Sioux Falls Joe Foss Field

BILFSD

Billings Logan Intl

Fri 10/30

5:55 pm-11:44 pm

1 stop4h 49m

Sioux Falls Joe Foss Field

Mon 11/2

5:55 am-9:45 am

1 stop4h 50m

$319

BozemanSioux Falls

BZN Bozeman Gallatin Field - FSD Sioux Falls Joe Foss Field

BZNFSD

Bozeman Gallatin Field

Thu 9/17

4:32 pm-11:44 pm

1 stop6h 12m

Sioux Falls Joe Foss Field

Wed 9/23

6:00 am-9:39 am

1 stop4h 39m

$319

BozemanSioux Falls

BZN Bozeman Gallatin Field - FSD Sioux Falls Joe Foss Field

BZNFSD

Bozeman Gallatin Field

Thu 10/1

12:02 pm-9:48 pm

1 stop8h 46m

Sioux Falls Joe Foss Field

Sun 10/4

6:00 am-11:09 am

1 stop6h 09m

$319

BozemanSioux Falls

BZN Bozeman Gallatin Field - FSD Sioux Falls Joe Foss Field

BZNFSD

Bozeman Gallatin Field

Thu 10/1

4:30 pm-11:44 pm

1 stop6h 14m

Sioux Falls Joe Foss Field

Sun 10/4

6:00 am-9:46 am

1 stop4h 46m

$319

BozemanSioux Falls

BZN Bozeman Gallatin Field - FSD Sioux Falls Joe Foss Field

BZNFSD

Bozeman Gallatin Field

Fri 10/2

4:30 pm-11:44 pm

1 stop6h 14m

Sioux Falls Joe Foss Field

Sun 10/4

6:00 am-9:46 am

1 stop4h 46m

$319

MissoulaSioux Falls

MSO Missoula Johnson-Bell Field - FSD Sioux Falls Joe Foss Field

MSOFSD

Missoula Johnson-Bell Field

Fri 1/15

12:50 pm-10:51 pm

2 stops9h 01m

Sioux Falls Joe Foss Field

Tue 1/19

4:09 pm-8:12 pm

1 stop5h 03m

$324

MissoulaSioux Falls

MSO Missoula Johnson-Bell Field - FSD Sioux Falls Joe Foss Field

MSOFSD

Missoula Johnson-Bell Field

Fri 1/15

12:50 pm-10:51 pm

2 stops9h 01m

Sioux Falls Joe Foss Field

Tue 1/19

1:00 pm-12:31 am

2 stops12h 31m

$329

BozemanSioux Falls

BZN Bozeman Gallatin Field - FSD Sioux Falls Joe Foss Field

BZNFSD

Bozeman Gallatin Field

Thu 9/10

6:44 pm-8:07 pm

2 stops24h 23m

Sioux Falls Joe Foss Field

Mon 9/21

9:55 am-5:24 pm

1 stop8h 29m

$343

BozemanSioux Falls

BZN Bozeman Gallatin Field - FSD Sioux Falls Joe Foss Field

BZNFSD

Bozeman Gallatin Field

Sat 8/29

6:00 am-7:29 pm

2 stops12h 29m

Sioux Falls Joe Foss Field

Mon 8/31

11:05 am-2:50 pm

1 stop4h 45m

$354

BozemanSioux Falls

BZN Bozeman Gallatin Field - FSD Sioux Falls Joe Foss Field

BZNFSD

Bozeman Gallatin Field

Thu 10/1

12:02 pm-9:48 pm

1 stop8h 46m

Sioux Falls Joe Foss Field

Sun 10/4

6:00 am-11:09 am

1 stop6h 09m

$374

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 January is, on average, the cheapest month to fly to South Dakota from Montana, with most prices found around $248. 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 $273.

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

Best Price Found	$203
Fastest flight time	4h 05m
Direct flights	None

The best one-way flight to South Dakota from Montana in the past 72 hours is $203. The best round-trip flight deal from Montana to South Dakota found on momondo in the last 72 hours is $319.

The fastest flight from Montana to South Dakota takes 4h 05m

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 August 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
United Airlines	PriceFrom $210	Free Cancellation	Rating 7.4 10,106 reviews		Search United Airlines flights
Delta	PriceFrom $210	Free Cancellation	Rating 7.8 8,503 reviews		Search Delta 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.