Sioux Falls (FSD) to Boston (BOS) cheap flight deal from $230 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

$410 USD

-44%$230 USD

Verified Sep 21, 2025 at 9:07 AM

September 2025

Today

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21$755 22$409 23$379 24$379 25$459 26$515 27$379 28$374 29$349 30$340 1$315 2$346 3$315 4$315 5$400

Rare Availability

9% of dates checked are available within 10% of the lowest price

Tuesday, September 30th, 2025

10 round-trip options

Returning

Sun, Oct 5, 2025•5 Day Trip

$423 USD

Google Flights

Returning

Mon, Oct 6, 2025•6 Day Trip

$456 USD

Google Flights

Returning

Tue, Oct 7, 2025•7 Day Trip

$340 USD

Google Flights

Returning

Wed, Oct 8, 2025•8 Day Trip

$340 USD

Google Flights

Returning

Thu, Oct 9, 2025•9 Day Trip

$480 USD

Google Flights

Returning

Fri, Oct 10, 2025•10 Day Trip

$683 USD

Google Flights

Returning

Sat, Oct 11, 2025•11 Day Trip

$404 USD

Google Flights

Returning

Sun, Oct 12, 2025•12 Day Trip

$614 USD

Google Flights

Returning

Mon, Oct 13, 2025•13 Day Trip

$683 USD

Google Flights

Returning

Tue, Oct 14, 2025•14 Day Trip

$464 USD

Google Flights