Boston (BOS) to Sioux Falls (FSD) cheap flight deal from $105 USD in economy class – flightdeals.net

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American Airlines

AAAmerican Airlines

One Way•Economy

Logan International Airport

Boston, United States

Sioux Falls Regional Airport (Joe Foss Field)

Sioux Falls, United States

$274 USD

-62%$105 USD

Verified Sep 21, 2025 at 11:22 PM

October 2025

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29$454 30$407 1$407 2$437 3$454 4$387 5$385 6$385 7$377 8$377 9$385 10$390 11$385 12$385 13$385 14$295 15$126 16$385 17$385 18$295 19$547 20$295 21$160 22$131 23$295 24$295 25$126 26$390 27$295 28$126 29$126 30$295 31$105 1 2

Extremely Rare Availability

4% of dates checked are available within 10% of the lowest price

Monday, October 20th, 2025

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