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South Dakota

$136+ Cheap flights from Montana to South Dakota

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — FSD
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap 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 July 3, 2025.

Round-trip from

$229
(Delta)

One-way from

$136
(Mytrip)

Popular in

January

Cheapest in

April

Average price

$562
From Montana to South Dakota
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One-way flight from Montana to South Dakota
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Highest demand for flights based on searches. 12% potential increase in price ($70 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($20 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 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 July 3, 2025.

This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/306:05 amBZN - FSD
1 stop5h 11mDelta
Sat 9/611:04 amFSD - BZN
1 stop4h 23mDelta
Deal found 7/3$229
This Delta deal was found by Cheapflights users on 7/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/301:00 pmHLN - FSD
2 stops9h 46mDelta
Sat 9/612:56 pmFSD - HLN
2 stops10h 17mDelta
Deal found 7/1$259
This United Airlines deal was found by Cheapflights users on 7/3. 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 7/1812:34 pmBZN - FSD
1 stop8h 48mUnited Airlines
Tue 7/229:15 amFSD - BZN
1 stop7h 11mUnited Airlines
Deal found 7/3$267
This United Airlines deal was found by Cheapflights users on 7/1. 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 7/162:41 pmBZN - RAP
1 stop4h 39mUnited Airlines
Sun 7/209:42 amRAP - BZN
1 stop5h 44mUnited Airlines
Deal found 7/1$279
This Delta deal was found by Cheapflights users on 7/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/256:20 amBIL - FSD
1 stop5h 01mDelta
Tue 7/296:16 pmFSD - BIL
1 stop5h 54mDelta
Deal found 7/2$294
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Sat 8/305:20 pmHLN - FSD
1 stop4h 40mUnited Airlines
Tue 9/911:44 amFSD - HLN
1 stop5h 20mUnited Airlines
Deal found 7/1$319
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Thu 7/174:15 pmBIL - RAP
1 stop4h 32mUnited Airlines
Mon 7/217:00 amRAP - BIL
1 stop6h 17mUnited Airlines
Deal found 7/2$322
This United Airlines deal was found by Cheapflights users on 6/30. 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 12/105:20 pmMSO - FSD
1 stop5h 21mUnited Airlines
Sat 12/136:00 amFSD - MSO
2 stops9h 05mUnited Airlines
Deal found 6/30$324
This Gotogate deal was found by Cheapflights users on 7/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1112:40 pmMSO - FSD
1 stop4h 57mFrontier
Sun 7/132:57 pmFSD - MSO
1 stop21h 57mFrontier
Deal found 7/2$330
This United Airlines deal was found by Cheapflights users on 7/3. 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.
Thu 7/315:55 pmBIL - FSD
1 stop4h 42mUnited Airlines
Mon 8/46:49 pmFSD - BIL
1 stop4h 58mUnited Airlines
Deal found 7/3$342
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/196:00 amGTF - FSD
1 stop5h 16mDelta
Thu 8/2812:56 pmFSD - GTF
2 stops10h 49mDelta
Deal found 7/3$404
This American Airlines deal was found by Cheapflights users on 7/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2512:35 pmBIL - FSD
1 stop10h 24mAmerican Airlines
Mon 7/2812:33 pmFSD - BIL
1 stop11h 34mAmerican Airlines
Deal found 7/2$407

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 July 3, 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

BozemanSioux Falls

BZN - FSD

BZNFSD

Bozeman Gallatin Field

Sat 8/30

6:05 am-12:16 pm

1 stop5h 11m

Sioux Falls Joe Foss Field

Wed 9/3

6:04 pm-11:01 pm

1 stop5h 57m

$229

HelenaSioux Falls

HLN - FSD

HLNFSD

Helena

Sat 8/30

1:00 pm-11:46 pm

2 stops9h 46m

Sioux Falls Joe Foss Field

Tue 9/9

5:00 am-12:20 pm

2 stops8h 20m

$259

BozemanSioux Falls

BZN - FSD

BZNFSD

Bozeman Gallatin Field

Fri 7/18

12:34 pm-10:22 pm

1 stop8h 48m

Sioux Falls Joe Foss Field

Tue 7/22

9:15 am-3:26 pm

1 stop7h 11m

$267

BozemanRapid City

BZN - RAP

BZNRAP

Bozeman Gallatin Field

Wed 7/16

2:41 pm-7:20 pm

1 stop4h 39m

Rapid City

Sun 7/20

9:42 am-3:26 pm

1 stop5h 44m

$279

BillingsSioux Falls

BIL - FSD

BILFSD

Billings Logan Intl

Fri 7/25

6:20 am-12:21 pm

1 stop5h 01m

Sioux Falls Joe Foss Field

Tue 7/29

6:16 pm-11:10 pm

1 stop5h 54m

$294

HelenaSioux Falls

HLN - FSD

HLNFSD

Helena

Sat 8/30

5:20 pm-11:00 pm

1 stop4h 40m

Sioux Falls Joe Foss Field

Sat 9/6

5:06 pm-9:11 pm

1 stop5h 05m

$319

BillingsRapid City

BIL - RAP

BILRAP

Billings Logan Intl

Thu 7/17

4:15 pm-8:47 pm

1 stop4h 32m

Rapid City

Mon 7/21

7:00 am-1:17 pm

1 stop6h 17m

$322

MissoulaSioux Falls

MSO - FSD

MSOFSD

Missoula Johnson-Bell Field

Wed 12/10

5:20 pm-11:41 pm

1 stop5h 21m

Sioux Falls Joe Foss Field

Sat 12/13

6:00 am-2:05 pm

2 stops9h 05m

$324

BillingsSioux Falls

BIL - FSD

BILFSD

Billings Logan Intl

Thu 7/31

5:55 pm-11:37 pm

1 stop4h 42m

Sioux Falls Joe Foss Field

Mon 8/4

6:49 pm-10:47 pm

1 stop4h 58m

$342

Great FallsSioux Falls

GTF - FSD

GTFFSD

Great Falls

Tue 8/19

6:00 am-12:16 pm

1 stop5h 16m

Sioux Falls Joe Foss Field

Thu 8/28

12:56 pm-10:45 pm

2 stops10h 49m

$404

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 22 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, September is the cheapest month in which you can book a flight from Montana to South Dakota (average of $334). Flying from Montana to South Dakota 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.

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 July 3, 2025.

When flying from Montana to South Dakota, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 July 3, 2025.
Read through reviews of airlines operating flights from Montana to South Dakota, such as Delta, United Airlines, and Allegiant Air. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

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
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

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
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

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!
Allegiant Air
7.3
Good
708 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

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
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

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

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.

  • What are the cheapest airlines to fly from Montana to South Dakota one-way?

    For one-way options, check prices for Allegiant Air. According to our data, you can fly for as low as $136. Users have also found prices from $211 and $304 on American Airlines and United Airlines, respectively.

  • 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, September is the cheapest month in which you can book a flight from Montana to South Dakota (average of $334). Flying from Montana to South Dakota 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

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Alternative routes for Montana to South Dakota

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Top 3 airlines flying from Montana to South Dakota

Discover the top 3 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$411FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$255Average$474FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$318Average$348FlexibilityNo cancel feeOn-time71%

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