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

AAAmerican Airlines

Round Trip•Economy

FSD

Sioux Falls Regional Airport (Joe Foss Field)

Sioux Falls, United States

BOS

Logan International Airport

Boston, United States

$407 USD

-38%$251 USD

Verified Nov 3, 2025 at 9:25 AM

December 2025

Today

Mon

Tue

Wed

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Sun

1$325 2$295 3$251 4$295 5$260 6$251 7$295 8$260 9$251 10$251 11$325 12$325 13$325 14$334 15$334 16$325 17$325 18$357 19$319 20$325 21$377 22$404 23$340 24$404 25$404 26$410 27$435 28$445 29$502 30$367 31$429 1 2 3 4

Limited Availability

19% of dates checked are available within 10% of the lowest price

Friday, December 19th, 2025

10 round-trip options

Returning

Wed, Dec 24, 2025•5 Day Trip

$469 USD

Google Flights

Returning

Thu, Dec 25, 2025•6 Day Trip

$364 USD

Google Flights

Returning

Fri, Dec 26, 2025•7 Day Trip

$429 USD

Google Flights

Returning

Sat, Dec 27, 2025•8 Day Trip

$508 USD

Google Flights

Returning

Sun, Dec 28, 2025•9 Day Trip

$359 USD

Google Flights

Returning

Mon, Dec 29, 2025•10 Day Trip

$474 USD

Google Flights

Returning

Tue, Dec 30, 2025•11 Day Trip

$359 USD

Google Flights

Returning

Wed, Dec 31, 2025•12 Day Trip

$337 USD

Google Flights

Returning

Thu, Jan 1, 2026•13 Day Trip

$319 USD

Google Flights

Returning

Fri, Jan 2, 2026•14 Day Trip

$334 USD

Google Flights