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South Dakota

$239+ Cheap flights from Montana to South Dakota

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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — FSD
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Montana to South Dakota

Cheapest flights from Montana to South Dakota
Explore the most affordable flight options available from Montana to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/316:35 amBIL - RAP
1 stop4h 57mUnited Airlines
Tue 1/62:40 pmRAP - BIL
1 stop6h 43mUnited Airlines
Deal found 12/16$244
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/314:25 pmBZN - RAP
1 stop5h 34mUnited Airlines
Sun 1/48:45 amRAP - BZN
1 stop6h 42mUnited Airlines
Deal found 12/16$268
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Tue 12/306:15 amBZN - RAP
1 stop6h 31mUnited Airlines
Sat 1/38:45 amRAP - BZN
1 stop4h 52mUnited Airlines
Deal found 12/15$312
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/315:50 pmBIL - FSD
1 stop5h 05mUnited Airlines
Sun 1/48:50 amFSD - BIL
1 stop5h 34mUnited Airlines
Deal found 12/16$377
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/194:25 pmBZN - RAP
1 stop4h 24mUnited Airlines
Tue 12/238:45 amRAP - BZN
1 stop6h 42mUnited Airlines
Deal found 12/17$409
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Tue 12/309:25 amBIL - RAP
1 stop22h 52mAllegiant Air
Sat 1/39:17 amRAP - BIL
1 stop7h 38mAllegiant Air
Deal found 12/17$526
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Tue 12/306:10 amHLN - FSD
1 stop5h 40mUnited Airlines
Sat 1/35:12 pmFSD - HLN
1 stop5h 19mUnited Airlines
Deal found 12/14$548
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Wed 12/176:30 amHLN - FSD
1 stop5h 21mUnited Airlines
Fri 12/196:16 pmFSD - HLN
2 stops20h 29mUnited Airlines
Deal found 12/15$633
This United Airlines deal was found by Cheapflights users on 12/15. 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 12/266:35 amBIL - RAP
1 stop10h 25mUnited Airlines
Thu 1/15:15 amRAP - BIL
1 stop4h 34mUnited Airlines
Deal found 12/15$633
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Tue 12/234:25 pmBZN - RAP
1 stop4h 24mUnited Airlines
Wed 12/248:45 amRAP - BZN
1 stop25h 00mUnited Airlines
Deal found 12/15$747
This United Airlines deal was found by Cheapflights users on 12/18. 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.
Sun 12/212:40 pmBIL - RAP
1 stop4h 32mUnited Airlines
Tue 12/238:45 amRAP - BIL
1 stop4h 39mUnited Airlines
Deal found 12/18$755
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Fri 12/268:46 amBIL - FSD
1 stop25h 30mAllegiant Air
Sun 12/2812:40 pmFSD - BIL
1 stop21h 44mAllegiant Air
Deal found 12/16$940

Find flight deals from Montana to South Dakota

Keep the following information in mind while searching for Montana to South Dakota flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$239
(Delta)

Popular in

November

Cheapest in

December

Average price

$239
Provider with most accurate pricing for Bozeman Gallatin Field-Sioux Falls Joe Foss Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bozeman Gallatin Field-Sioux Falls Joe Foss Field flights.
Search Deals
From Montana to South Dakota
Search Deals
High demand for flights, 6% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montana to South Dakota 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 December 18, 2025.
Use the filters below to find and compare flights from Montana to South Dakota that are best for you.

Fly from

Montana

Fly to

South Dakota

Route

Depart

Return

Price

BillingsSioux Falls

BIL - FSD

BILFSD

Billings Logan Intl

Tue 1/13

6:22 am-12:22 pm

1 stop5h 00m

Sioux Falls Joe Foss Field

Tue 1/20

1:02 pm-7:24 pm

1 stop7h 22m

$239

BillingsSioux Falls

BIL - FSD

BILFSD

Billings Logan Intl

Tue 1/13

6:30 am-12:58 pm

1 stop5h 28m

Sioux Falls Joe Foss Field

Tue 1/20

6:00 am-9:50 am

1 stop4h 50m

$239

BillingsRapid City

BIL - RAP

BILRAP

Billings Logan Intl

Wed 12/31

6:35 am-11:32 am

1 stop4h 57m

Rapid City

Tue 1/6

2:40 pm-9:23 pm

1 stop6h 43m

$244

BozemanRapid City

BZN - RAP

BZNRAP

Bozeman Gallatin Field

Wed 12/31

4:25 pm-9:59 pm

1 stop5h 34m

Rapid City

Sun 1/4

8:45 am-3:27 pm

1 stop6h 42m

$268

MissoulaSioux Falls

MSO - FSD

MSOFSD

Missoula Johnson-Bell Field

Thu 1/22

5:15 pm-11:44 pm

1 stop5h 29m

Sioux Falls Joe Foss Field

Tue 1/27

9:00 am-4:05 pm

1 stop8h 05m

$269

BozemanRapid City

BZN - RAP

BZNRAP

Bozeman Gallatin Field

Thu 1/8

2:30 pm-7:14 pm

1 stop4h 44m

Rapid City

Wed 1/14

5:10 am-9:54 am

1 stop4h 44m

$269

BozemanSioux Falls

BZN - FSD

BZNFSD

Bozeman Gallatin Field

Thu 1/29

4:16 pm-11:44 pm

1 stop6h 28m

Sioux Falls Joe Foss Field

Sat 1/31

5:18 pm-9:33 pm

1 stop5h 15m

$281

BillingsRapid City

BIL - RAP

BILRAP

Billings Logan Intl

Wed 1/21

6:30 am-11:25 am

1 stop4h 55m

Rapid City

Sat 1/24

7:00 am-1:24 pm

1 stop6h 24m

$299

BillingsRapid City

BIL - RAP

BILRAP

Billings Logan Intl

Sun 2/1

6:30 am-11:25 am

1 stop4h 55m

Rapid City

Sun 2/8

7:00 am-1:24 pm

1 stop6h 24m

$299

BozemanRapid City

BZN - RAP

BZNRAP

Bozeman Gallatin Field

Tue 12/30

6:15 am-12:46 pm

1 stop6h 31m

Rapid City

Sat 1/3

8:45 am-1:37 pm

1 stop4h 52m

$312

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 25 results
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Best time to book a flight from Montana to South Dakota

Have a flexible travel schedule? Discover the best time to fly to South Dakota from Montana 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 Montana to South Dakota

What is the cheapest month to book a flight from Montana to South Dakota?

Currently, June is the cheapest month in which you can book a flight from Montana to South Dakota (average of $146). Flying from Montana to South Dakota in August is currently the most expensive (average of $403). 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.

What is the cheapest time of day to fly from MT to SD?

Find hourly flight availability from Montana to South Dakota. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

When flying from Montana to South Dakota, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 33% versus a flight in the evening.

Reviews of airlines servicing South Dakota

Get insights into the airlines that provide service to South Dakota. 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 South Dakota. Reviews last updated December 18, 2025.
Read through reviews of airlines operating flights from Montana to South Dakota, such as Delta and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,005 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,005 reviews
Delta
7.9
Good
8,005 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,092 reviews
Delta
7.9
Good
8,005 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Montana to South Dakota. 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 Montana to South Dakota?

    A quick flight from Montana to South Dakota can take about 5h. Delta provides one of the quickest options available for as low as $239. Airlines will cover a distance of 599 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Montana to South Dakota that include hotel bookings?

    Yes. In addition to deals on Montana to South Dakota flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Montana to South Dakota?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montana to South Dakota.

  • Can I find deals for business class flights from Montana to South Dakota?

    Yes. Cheapflights offers flight deals from Montana to South Dakota 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 Montana to South Dakota?

    Currently, June is the cheapest month in which you can book a flight from Montana to South Dakota (average of $146). Flying from Montana to South Dakota in August is currently the most expensive (average of $403). 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

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Alternative routes for Montana to South Dakota

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Montana to South Dakota

Discover the top 2 airlines that operate flights from Montana to South Dakota. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$210Average$396FlexibilityNo cancel feeOn-time69%
DeltaCheapest$210Average$361FlexibilityNo cancel feeOn-timeN/A

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