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

December 2025

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1$439 2$439 3$439 4$404 5$365 6$365 7$365 8$365 9$339 10$339 11$339 12$304 13$260 14$347 15$347 16$322 17$439 18$474 19$474 20$794 21$585 22$623 23$554 24$587 25$545 26$571 27$625 28$579 29$370 30$369 31$335 1$260 2$269 3$294 4$269

Fair Availability

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

Sunday, December 28th, 2025

6 round-trip options

Returning

Fri, Jan 2, 2026•5 Day Trip

$798 USD

Google Flights

Returning

Sat, Jan 3, 2026•6 Day Trip

$786 USD

Google Flights

Returning

Sun, Jan 4, 2026•7 Day Trip

$769 USD

Google Flights

Returning

Mon, Jan 5, 2026•8 Day Trip

$676 USD

Google Flights

Returning

Tue, Jan 6, 2026•9 Day Trip

$579 USD

Google Flights

Returning

Wed, Jan 7, 2026•10 Day Trip

$586 USD

Google Flights