$126 Cheap United flights Sioux Falls (FSD) to Boston (BOS)

View $126 flight on Wed, Oct 29, 2025Opens in a new window

$126 Cheap United flights Sioux Falls (FSD) to Boston (BOS)

Prices were available within the past 7 days and start at $126 for one-way flights and $232 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Aug 26 - Sat, Aug 30
FSD
Sioux Falls
BOS
Boston
$232 Roundtrip, found 1 day ago
$232
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 26 from Sioux Falls to Boston, returning Sat, Aug 30, priced at $232 found 1 day ago
United
Wed, Oct 29 - Sat, Nov 1
FSD
Sioux Falls
BOS
Boston
$251 Roundtrip, found 3 hours ago
$251
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Oct 29 from Sioux Falls to Boston, returning Sat, Nov 1, priced at $251 found 3 hours ago
United
Tue, Aug 26 - Sat, Aug 30
FSD
Sioux Falls
BOS
Boston
$254 Roundtrip, found 1 day ago
$254
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 26 from Sioux Falls to Boston, returning Sat, Aug 30, priced at $254 found 1 day ago
United
Wed, Oct 29 - Sat, Nov 1
FSD
Sioux Falls
BOS
Boston
$256 Roundtrip, found 3 hours ago
$256
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Oct 29 from Sioux Falls to Boston, returning Sat, Nov 1, priced at $256 found 3 hours ago
United
Sat, Oct 4 - Sat, Oct 11
FSD
Sioux Falls
BOS
Boston
$261 Roundtrip, found 12 hours ago
$261
Roundtrip
found 12 hours ago
Select United flight, departing Sat, Oct 4 from Sioux Falls to Boston, returning Sat, Oct 11, priced at $261 found 12 hours ago
United
Tue, Sep 2 - Wed, Sep 3
FSD
Sioux Falls
BOS
Boston
$263 Roundtrip, found 3 days ago
$263
Roundtrip
found 3 days ago
Select United flight, departing Tue, Sep 2 from Sioux Falls to Boston, returning Wed, Sep 3, priced at $263 found 3 days ago
Flights from Sioux Falls (FSD) to Boston (BOS)
Origin airport
Sioux Falls Regional
Destination airport
Logan Intl.
Airlines serving
American Airlines, Delta, United
Popular airline
American Airlines
Distance
1297 mi

Frequently asked questions

How much is a United Airlines flight from Sioux Falls Regional Airport (FSD) to Logan Intl. Airport (BOS)?
You'll find affordable round-trip United Airlines flights from $232 from FSD to BOS by filtering your results from "Price (lowest to highest)" on Expedia. Or look for bargains from $126 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from FSD to BOS with United Airlines?
Look for round-trip or one-way flights to Boston in January or February. You could find lower fares with United Airlines during these off-peak travel months.
What is the cheapest time to book flights from Sioux Falls Regional Airport (FSD) to Logan Intl. Airport (BOS) with United Airlines?
Begin your search one to three months ahead of your travel date to find cheap fares on United Airlines flights from Sioux Falls Regional Airport (FSD) to Logan Intl. Airport (BOS). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Time it well, and you can enjoy significant savings on domestic journeys.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Sioux Falls Regional Airport (FSD) to Logan Intl. Airport (BOS)?
Click on the "Nonstop" filter when browsing for direct United Airlines flights from FSD to BOS. You'll also be able to compare other carriers servicing the same nonstop trip.
What is the earliest United Airlines flight from FSD to BOS?
To find the earliest departures from FSD to BOS with United Airlines, sort your results by "Early Morning" and "Morning." Booking an early flight generally means cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Boston?
United Airlines flights from Sioux Falls Regional Airport (FSD) to Boston touch down at Logan Intl. Airport (BOS). This is the main gateway to this city.
Why fly with United Airlines from FSD to BOS?
A rewarding loyalty program and the ability to rack up points through United Mileage Plus are the start of the reasons to depart from FSD to BOS with United Airlines. Plus, when you join our One Key™ program, you can receive OneKeyCash™* on top of United Airlines's loyalty program earnings. You can put it toward your future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from Sioux Falls Regional Airport (FSD) to Logan Intl. Airport (BOS)?
Depending on your ticket type, a fee generally applies if you cancel or change your booking more than 24 hours after it has been confirmed. To find plane tickets with more flexibility, select our "Changes included" or "No cancel fee" filter when you search for flights. For additional information on changing or canceling your reservation, head to "Trips," select your flight and click on "Manage Booking."

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*Available to One Key members.