HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sioux Falls

$251+ Cheap flights from Boston to Sioux Falls (BOS - FSD)

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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — FSD
Oct 24 — Oct 311
Fri 10/24
Fri 10/31
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Sioux Falls with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Boston to Sioux Falls

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Sioux Falls (FSD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$251
(American Airlines)

Popular in

January

Cheapest in

April

Average price

$377
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 Sioux Falls Joe Foss Field
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Boston to Sioux Falls

Cheapest flights from Boston to Sioux Falls
Explore the most affordable flight options available from Boston to Sioux Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2025.

This American Airlines deal was found by Cheapflights users on 9/24. 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 10/222:47 pmBOS - FSD
1 stop7h 29mAmerican Airlines
Wed 10/291:33 pmFSD - BOS
1 stop8h 54mAmerican Airlines
Deal found 9/24$251
This American Airlines deal was found by Cheapflights users on 9/22. 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.
Sat 12/612:59 pmBOS - FSD
1 stop6h 50mAmerican Airlines
Tue 12/91:09 pmFSD - BOS
1 stop6h 38mAmerican Airlines
Deal found 9/22$253
This Delta deal was found by Cheapflights users on 9/24. 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 10/185:45 amBOS - FSD
1 stop8h 10mDelta
Tue 10/215:20 amFSD - BOS
1 stop4h 28mDelta
Deal found 9/24$257
This Kiwi.com deal was found by Cheapflights users on 9/24. 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.
Sat 10/412:20 pmBOS - FSD
1 stop21h 07mMultiple Airlines
Fri 10/107:28 pmFSD - BOS
2 stops50h 43mMultiple Airlines
Deal found 9/24$313
This American Airlines deal was found by Cheapflights users on 9/24. 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 10/12:36 pmBOS - FSD
1 stop7h 47mAmerican Airlines
Wed 10/295:25 pmFSD - BOS
1 stop5h 29mAmerican Airlines
Deal found 9/24$315
This United Airlines deal was found by Cheapflights users on 9/24. 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 10/143:17 pmBOS - FSD
1 stop8h 05mUnited Airlines
Tue 10/288:00 amFSD - BOS
1 stop7h 10mUnited Airlines
Deal found 9/24$318
This American Airlines deal was found by Cheapflights users on 9/24. 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 11/65:22 pmBOS - FSD
1 stop7h 37mAmerican Airlines
Mon 11/105:30 amFSD - BOS
1 stop5h 03mAmerican Airlines
Deal found 9/24$319
This United Airlines deal was found by Cheapflights users on 9/24. 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 10/222:36 pmBOS - FSD
2 stops8h 46mUnited Airlines
Wed 10/291:47 pmFSD - BOS
2 stops8h 55mUnited Airlines
Deal found 9/24$324
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Sat 12/66:00 amBOS - FSD
1 stop5h 45mUnited Airlines
Tue 12/91:55 pmFSD - BOS
2 stops8h 46mUnited Airlines
Deal found 9/22$336

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Sioux Falls 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 September 24, 2025.
Use the filters below to find and compare flights from Boston to Sioux Falls that are best for you.

Fly from

Boston

Fly to

Sioux Falls

Route

Depart

Return

Price

BostonSioux Falls

BOS - FSD

BOSFSD

Boston Logan Intl

Sat 12/6

12:59 pm-6:49 pm

1 stop6h 50m

Sioux Falls Joe Foss Field

Tue 12/9

1:09 pm-8:47 pm

1 stop6h 38m

$253

BostonSioux Falls

BOS - FSD

BOSFSD

Boston Logan Intl

Sat 10/18

5:45 am-12:55 pm

1 stop8h 10m

Sioux Falls Joe Foss Field

Tue 10/21

5:20 am-10:48 am

1 stop4h 28m

$257

BostonSioux Falls

BOS - FSD

BOSFSD

Boston Logan Intl

Wed 10/1

1:00 pm-9:23 pm

2 stops9h 23m

Sioux Falls Joe Foss Field

Wed 10/29

5:25 pm-11:54 pm

1 stop5h 29m

$320

BostonSioux Falls

BOS - FSD

BOSFSD

Boston Logan Intl

Sat 12/6

6:00 am-10:45 am

1 stop5h 45m

Sioux Falls Joe Foss Field

Tue 12/9

1:55 pm-11:41 pm

2 stops8h 46m

$336

BostonSioux Falls

BOS - FSD

BOSFSD

Boston Logan Intl

Wed 10/8

5:45 am-10:13 am

1 stop5h 28m

Sioux Falls Joe Foss Field

Sun 10/12

5:20 am-10:48 am

1 stop4h 28m

$349

BostonSioux Falls

BOS - FSD

BOSFSD

Boston Logan Intl

Wed 10/1

8:10 am-1:51 pm

1 stop6h 41m

Sioux Falls Joe Foss Field

Sat 10/4

4:08 pm-11:59 pm

1 stop6h 51m

$379

BostonSioux Falls

BOS - FSD

BOSFSD

Boston Logan Intl

Wed 10/1

1:00 pm-9:23 pm

2 stops9h 23m

Sioux Falls Joe Foss Field

Sat 10/4

6:00 am-3:06 pm

1 stop8h 06m

$384

BostonSioux Falls

BOS - FSD

BOSFSD

Boston Logan Intl

Wed 10/1

2:36 pm-10:22 pm

2 stops8h 46m

Sioux Falls Joe Foss Field

Wed 10/29

8:00 am-5:15 pm

2 stops8h 15m

$408

BostonSioux Falls

BOS - FSD

BOSFSD

Boston Logan Intl

Sat 10/18

6:00 am-2:37 pm

1 stop9h 37m

Sioux Falls Joe Foss Field

Tue 10/21

8:00 am-5:54 pm

2 stops8h 54m

$411

BostonSioux Falls

BOS - FSD

BOSFSD

Boston Logan Intl

Mon 11/10

7:19 pm-10:28 am

1 stop16h 09m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/23

Showing 1-10 of 13 results
1
2

Compare providers for flights from Boston to Sioux Falls

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Sioux Falls in September.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Sioux Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Sioux Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Sioux Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Sioux Falls flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Sioux Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boston to Sioux Falls

Have a flexible travel schedule? Discover the best time to fly to Sioux Falls 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 Sioux Falls

What is the cheapest month to book a flight from Boston to Sioux Falls?

Currently, September is the cheapest month in which you can book a flight from Boston to Sioux Falls (average of $334). Flying from Boston to Sioux Falls 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 BOS to FSD?

Find hourly flight availability from Boston to Sioux Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 24, 2025.

When flying from Boston to Sioux Falls, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 9% versus a flight in the afternoon.

Reviews of airlines servicing Sioux Falls

Get insights into the airlines that provide service to Sioux Falls. 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 Sioux Falls. Reviews last updated September 24, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Boston to Sioux Falls by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,973 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
8,928 reviews
Delta
8.0
Very good
7,973 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
7,973 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

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 Boston to Sioux Falls. 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 Boston to Sioux Falls?

    Departing from Boston to Sioux Falls will take you 5h 45m. The distance between Boston and Sioux Falls is about 1298 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Boston to Sioux Falls round-trip?

    Flying on American Airlines is currently your cheapest option to Sioux Falls, with prices starting at $275. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $282 and $293, respectively. These flights start at 49% lower than the current average price 3 months from now.

  • Can I find deals for flights from Boston to Sioux Falls that include hotel bookings?

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

  • How can I find direct flights from Boston to Sioux Falls?

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

  • Can I find deals for business class flights from Boston to Sioux Falls?

    Yes. Cheapflights offers flight deals from Boston to Sioux Falls 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 Sioux Falls?

    Currently, September is the cheapest month in which you can book a flight from Boston to Sioux Falls (average of $334). Flying from Boston to Sioux Falls 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

Traveling to a place near Sioux Falls?

Book flights to Sioux Falls if you plan to visit one of these locations
Marshall

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boston to Sioux Falls

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Rapid City flights
Albany to Rapid City flights
Hartford to Rapid City flights
Hartford to Sioux Falls flights
Albany to Sioux Falls flights

Top 3 airlines flying from Boston to Sioux Falls

Discover the top 3 airlines that operate flights from Boston to Sioux Falls. 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 September 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$275Average$439FlexibilityNo cancel feeOn-time71%
DeltaCheapest$282Average$598FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$293Average$681FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.