Boston (BOS) to Sioux Falls (FSD) flight deal from $251 USD in economy class

AAAmerican Airlines

Round Trip•Economy

BOS

Logan International Airport

Boston, United States

FSD

Sioux Falls Regional Airport (Joe Foss Field)

Sioux Falls, United States

$409 USD

-39%$251 USD

Verified Nov 28, 2025 at 2:46 PM

January 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29$370 30$369 31$335 1$260 2$269 3$294 4$269 5$269 6$251 7$251 8$260 9$260 10$334 11$285 12$260 13$251 14$251 15$260 16$260 17$251 18$305 19$260 20$251 21$251 22$260 23$260 24$251 25$260 26$260 27$251 28$251 29$260 30$260 31$251 1

Fair Availability

23% of dates checked are available within 10% of the lowest price

Wednesday, January 7th, 2026

6 round-trip options

Returning

Mon, Jan 12, 2026•5 Day Trip

$303 USD

Google Flights

Returning

Tue, Jan 13, 2026•6 Day Trip

$251 USD

Google Flights

Returning

Wed, Jan 14, 2026•7 Day Trip

$251 USD

Google Flights

Returning

Thu, Jan 15, 2026•8 Day Trip

$308 USD

Google Flights

Returning

Fri, Jan 16, 2026•9 Day Trip

$333 USD

Google Flights

Returning

Sat, Jan 17, 2026•10 Day Trip

$285 USD

Google Flights