$249 Cheap Flights from Boston (BOS) to Sioux Falls (FSD)

View $249 flight on Thu, May 14, 2026Opens in a new window

Popular airlines from Logan International Airport (BOS) to Sioux Falls Regional Airport (FSD)

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Cheap Flights from Boston to Sioux Falls (BOS-FSD)

Prices were available within the past 7 days and start at $249 for one-way flights and $299 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Aug 11 - Tue, Aug 18
BOS
Boston
FSD
Sioux Falls
$299 Roundtrip, found 9 hours ago
$299
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Tue, Aug 11 from Boston to Sioux Falls, returning Tue, Aug 18, priced at $299 found 9 hours ago
United
Tue, Jul 7 - Tue, Jul 21
BOS
Boston
FSD
Sioux Falls
$312 Roundtrip, found 3 days ago
$312
Roundtrip
found 3 days ago
Select United flight, departing Tue, Jul 7 from Boston to Sioux Falls, returning Tue, Jul 21, priced at $312 found 3 days ago
United
Wed, Sep 16 - Sat, Sep 19
BOS
Boston
FSD
Sioux Falls
$316 Roundtrip, found 4 days ago
$316
Roundtrip
found 4 days ago
Select United flight, departing Wed, Sep 16 from Boston to Sioux Falls, returning Sat, Sep 19, priced at $316 found 4 days ago
United
Tue, Jul 14 - Tue, Jul 21
BOS
Boston
FSD
Sioux Falls
$319 Roundtrip, found 5 days ago
$319
Roundtrip
found 5 days ago
Select United flight, departing Tue, Jul 14 from Boston to Sioux Falls, returning Tue, Jul 21, priced at $319 found 5 days ago
American Airlines
Tue, Jun 9 - Sat, Jun 13
BOS
Boston
FSD
Sioux Falls
$324 Roundtrip, found 1 day ago
$324
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jun 9 from Boston to Sioux Falls, returning Sat, Jun 13, priced at $324 found 1 day ago
United
Sun, May 24 - Sat, May 30
BOS
Boston
FSD
Sioux Falls
$324 Roundtrip, found 5 days ago
$324
Roundtrip
found 5 days ago
Select United flight, departing Sun, May 24 from Boston to Sioux Falls, returning Sat, May 30, priced at $324 found 5 days ago
United
Wed, Sep 23 - Sat, Sep 26
BOS
Boston
FSD
Sioux Falls
$328 Roundtrip, found 4 days ago
$328
Roundtrip
found 4 days ago
Select United flight, departing Wed, Sep 23 from Boston to Sioux Falls, returning Sat, Sep 26, priced at $328 found 4 days ago
United
Wed, Sep 23 - Sat, Sep 26
BOS
Boston
FSD
Sioux Falls
$335 Roundtrip, found 4 days ago
$335
Roundtrip
found 4 days ago
Select United flight, departing Wed, Sep 23 from Boston to Sioux Falls, returning Sat, Sep 26, priced at $335 found 4 days ago
United
Wed, Sep 23 - Sat, Sep 26
BOS
Boston
FSD
Sioux Falls
$338 Roundtrip, found 4 days ago
$338
Roundtrip
found 4 days ago
Select United flight, departing Wed, Sep 23 from Boston to Sioux Falls, returning Sat, Sep 26, priced at $338 found 4 days ago
Delta
Tue, May 5 - Tue, May 12
BOS
Boston
FSD
Sioux Falls
$345 Roundtrip, found 6 days ago
$345
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, May 5 from Boston to Sioux Falls, returning Tue, May 12, priced at $345 found 6 days ago

Alternative airports near Sioux Falls

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Sioux Falls Regional FSD. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $468
FSD
Sioux Falls Regional
CheapestClosest
Average driving time to city center6 min
Flights from $468

Frequently asked questions

How much does a flight from Boston, MA (BOS-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) cost?
You can find cheap one-way flights and cheap return flights from $299 Boston, MA (BOS-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) with Expedia. One-way flights typically cost between $131 and $915, and return flights often range between $421 and $1346. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Boston, MA (BOS-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Boston, MA (BOS-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
January is the cheapest month to fly from Boston (BOS) to Sioux Falls (FSD), with average return fares around $354. This is about 34% lower than the average price for the year, as travel demand tends to decrease after the holiday season. Other affordable months to consider are August and September.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Boston, MA (BOS-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
Enter BOS to FSD and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Boston, MA (BOS-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
American Airlines is one of the cheapest airlines offering connecting flights from Boston, MA (BOS) to Sioux Falls, SD (FSD), with round-trip tickets starting from around $208 with a layover in LaGuardia (LGA). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Boston, MA (BOS-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
To find a cheap flight from Boston, MA (BOS-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Boston, MA (BOS-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
When flying from Boston (BOS) to Sioux Falls (FSD), January and September are your best bets. Return flights during these months average around $354, providing a good balance of price and travel experience. January is particularly appealing as it follows the holiday rush, leading to lower fares and less crowded flights.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Boston, MA (BOS-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
The earliest flight from Boston (BOS) to Sioux Falls (FSD) usually departs at around 5:00 AM, operated by American Airlines. This seasonal service is active in June, providing you with an early start to your travel day. An early departure can help you maximize your time in Sioux Falls. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Boston, MA (BOS-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
For flights from Boston, MA (BOS) to Sioux Falls, SD (FSD), the most popular departure times are in the early morning, from 6am to 9am. About 29% of passengers prefer this time window. Many major carriers, including American Airlines and United Airlines, operate flights during this period. This timing is favored as it allows travelers to start their day early and make the most of their time in Sioux Falls.
How long does it take to fly from Boston, MA (BOS-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
Flying from BOS to FSD with a connection usually takes about 5 hours 50 minutes, traveling roughly 1,297 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Boston, MA (BOS-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
First class seats are offered on the BOS to FSD route. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines

How do I earn miles on a Boston, MA (BOS-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) flight with Expedia?
It's easy to earn miles on a Boston, MA (BOS-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Sioux Falls from Logan Intl. (BOS)?
If you're planning to travel to Sioux Falls from Logan Intl. (BOS), you can fly into Sioux Falls Regional (FSD) Some flights may connect through major hubs like Liberty Intl. (EWR), Washington Dulles Intl. (IAD), LaGuardia (LGA) before reaching Sioux Falls. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Boston, MA (BOS-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) at the last minute?
Typically, booking a last minute flight from Boston, MA (BOS-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Boston, MA (BOS-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) flight and hotel package?
Securing a Boston, MA (BOS-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) Sioux Falls Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Boston, MA (BOS-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional)?
If you booked your Boston, MA (BOS-Logan Intl.) to Sioux Falls, SD (FSD-Sioux Falls Regional) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Logan Intl.
Destination airport
Sioux Falls Regional
Airlines serving
American Airlines, Delta, United
Roundtrip price
$298
Distance
1297 mi

Book with confidence

Boston to Sioux Falls Flights

The cheapest times to fly from Boston to Sioux Falls

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Sioux Falls are during the month of August. You can find some of the cheapest flights from Boston to Sioux Falls with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Sioux Falls

Sunday is one of the best days to book for cheap flights from Boston to Sioux Falls: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Boston to Sioux Falls

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Sioux Falls in 2026. You can also book with separate airlines for your outbound and return journeys, from $249 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Sioux Falls flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Sioux Falls airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Boston to Sioux Falls Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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