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South Dakota

$171+ Cheap flights from Boston (BOS) 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — FSD
Jul 23 — Jul 301
Thu 7/23
Thu 7/30
1 adult, Economy
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Cheap flight deals from Boston to South Dakota

Cheapest flights from Boston to South Dakota
Explore the most affordable flight options available from Boston to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2026.

This United Airlines deal was found by Cheapflights users on 6/19. 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 9/165:01 pm
BOS
-
FSD
1 stop7h 11m
United Airlines
Wed 9/236:38 pm
FSD
-
BOS
1 stop5h 32m
United Airlines
Deal found 6/19$299
This American Airlines deal was found by Cheapflights users on 6/21. 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.
Wed 7/228:58 am
BOS
-
FSD
1 stop8h 26m
American Airlines
Thu 8/612:57 pm
FSD
-
BOS
1 stop8h 09m
American Airlines
Deal found 6/21$314
This American Airlines deal was found by Cheapflights users on 6/19. 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.
Thu 7/235:10 am
BOS
-
FSD
1 stop7h 20m
American Airlines
Mon 7/274:44 pm
FSD
-
BOS
1 stop6h 21m
American Airlines
Deal found 6/19$329
This Delta deal was found by Cheapflights users on 6/19. 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.
Wed 11/46:00 pm
BOS
-
RAP
1 stop6h 39m
Delta
Tue 11/104:00 pm
RAP
-
BOS
1 stop5h 53m
Delta
Deal found 6/19$349
This American Airlines deal was found by Cheapflights users on 6/22. 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.
Thu 8/65:51 am
BOS
-
FSD
1 stop7h 26m
American Airlines
Thu 8/1312:57 pm
FSD
-
BOS
1 stop9h 07m
American Airlines
Deal found 6/22$354
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Wed 8/511:59 am
BOS
-
RAP
2 stops35h 17m
Multiple Airlines
Wed 8/129:51 am
RAP
-
BOS
1 stop21h 18m
Multiple Airlines
Deal found 6/22$354
This United Airlines deal was found by Cheapflights users on 6/18. 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.
Fri 7/246:43 pm
BOS
-
FSD
1 stop5h 48m
United Airlines
Sat 8/157:47 am
FSD
-
BOS
1 stop7h 40m
United Airlines
Deal found 6/18$363
This United Airlines deal was found by Cheapflights users on 6/22. 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 7/226:00 am
BOS
-
RAP
1 stop6h 24m
United Airlines
Wed 7/291:35 pm
RAP
-
BOS
1 stop7h 46m
United Airlines
Deal found 6/22$371
This United Airlines deal was found by Cheapflights users on 6/22. 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 9/110:38 am
BOS
-
RAP
2 stops9h 20m
United Airlines
Fri 9/111:31 pm
RAP
-
BOS
1 stop6h 28m
United Airlines
Deal found 6/22$377
This Delta deal was found by Cheapflights users on 6/22. 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 9/185:55 am
BOS
-
FSD
1 stop7h 24m
Delta
Mon 9/214:28 pm
FSD
-
BOS
1 stop6h 31m
Delta
Deal found 6/22$379
This United Airlines deal was found by Cheapflights users on 6/18. 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.
Tue 7/216:00 am
BOS
-
RAP
1 stop6h 24m
United Airlines
Tue 8/111:31 pm
RAP
-
BOS
1 stop6h 28m
United Airlines
Deal found 6/18$379
This Delta deal was found by Cheapflights users on 6/19. 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 7/105:55 pm
BOS
-
FSD
1 stop6h 11m
Delta
Sun 7/121:30 pm
FSD
-
BOS
1 stop7h 31m
Delta
Deal found 6/19$384

Find flight deals from Boston to South Dakota

Keep the following information in mind while searching for Boston to South Dakota flight deals. Data was last updated June 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$299
(United Airlines)

One-way from

$171
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$476
Provider with most accurate pricing for Boston Logan Intl-Sioux Falls Joe Foss Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Sioux Falls Joe Foss Field flights.
Search Deals
From Boston Logan Intl to South Dakota
Search Deals
One-way flight from Boston Logan Intl to South Dakota
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston 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 June 23, 2026.
Use the filters below to find and compare flights from Boston to South Dakota that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonSioux Falls

BOS - FSD

BOSFSD

Boston Logan Intl

Wed 9/16

6:42 pm-11:12 pm

1 stop5h 30m

Sioux Falls Joe Foss Field

Wed 9/23

7:47 am-5:52 pm

2 stops9h 05m

$304

BostonSioux Falls

BOS - FSD

BOSFSD

Boston Logan Intl

Tue 8/4

5:51 am-12:38 pm

1 stop7h 47m

Sioux Falls Joe Foss Field

Sun 8/9

5:30 am-1:52 pm

1 stop7h 22m

$314

BostonSioux Falls

BOS - FSD

BOSFSD

Boston Logan Intl

Fri 9/11

5:01 pm-11:12 pm

1 stop7h 11m

Sioux Falls Joe Foss Field

Sun 9/13

6:38 pm-1:10 am

1 stop5h 32m

$329
Quickest round-trip

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Wed 11/4

6:00 pm-10:39 pm

1 stop6h 39m

Rapid City

Tue 11/10

4:00 pm-11:53 pm

1 stop5h 53m

$349

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Fri 10/16

6:00 am-10:15 am

1 stop6h 15m

Rapid City

Tue 10/20

11:17 am-9:49 pm

1 stop8h 32m

$405

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Wed 7/22

6:00 am-10:24 am

1 stop6h 24m

Rapid City

Wed 7/29

1:35 pm-11:59 pm

2 stops8h 24m

$432

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Wed 8/12

5:51 am-10:02 am

1 stop6h 11m

Rapid City

Mon 8/17

2:32 pm-11:58 pm

1 stop7h 26m

$438

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Wed 11/4

6:00 am-10:53 am

1 stop6h 53m

Rapid City

Tue 11/10

5:00 am-6:23 pm

2 stops11h 23m

$454

BostonSioux Falls

BOS - FSD

BOSFSD

Boston Logan Intl

Thu 12/3

11:30 am-9:43 pm

2 stops11h 13m

Sioux Falls Joe Foss Field

Sun 12/6

7:40 am-2:02 pm

1 stop5h 22m

$480

BostonSioux Falls

BOS - FSD

BOSFSD

Boston Logan Intl

Fri 7/24

6:43 pm-11:31 pm

1 stop5h 48m

Sioux Falls Joe Foss Field

Sun 7/26

7:35 am-4:29 pm

1 stop7h 54m

$484

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/21

Showing 1-10 of 33 resultsSorted by cheapest first
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Best time to book a flight from Boston to South Dakota

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

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

Currently, July is the cheapest month in which you can book a flight from Boston to South Dakota (average of $219). Flying from Boston to South Dakota in March is currently the most expensive (average of $459). 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.

How much does it cost to fly round-trip from Boston to South Dakota?

How far ahead should I book a flight from Boston to South Dakota?

Booking 21 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to South Dakota. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 June 23, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Boston to South Dakota. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,424 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.8

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,424 reviews
Delta
7.8
Good
8,424 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.8

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,875 reviews
Delta
7.8
Good
8,424 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.8

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,745 reviews
Delta
7.8
Good
8,424 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.8

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Boston 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 airport do you fly from for flights from Boston to South Dakota?

    Boston Logan Intl (BOS), located 2.6 mi from the city center, is the airport you fly out of when you book flights from Boston to South Dakota.

  • How long is the flight from Boston to South Dakota?

    A quick flight from Boston to South Dakota can take about 5h 30m. United Airlines provides one of the quickest options available for as low as $304. The distance from Boston to South Dakota is about 1298 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $125. Delta flights start at $134 while deals on United Airlines start at $285 one-way.

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from Boston to South Dakota (average of $219). Flying from Boston to South Dakota in March is currently the most expensive (average of $459). 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 Boston to South Dakota

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Boston to South Dakota

Discover the top 3 airlines that operate flights from Boston 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 June 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$250Average$488FlexibilityNo cancel feeOn-time71%
DeltaCheapest$272Average$472FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$314Average$485FlexibilityNo cancel feeOn-time69%

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