FFL Helper
Boston BOS
$146
MSP → BOS · Frontier Airlines
FFL Helper / Minneapolis / Boston / September 2026
MSP → BOS · 2026-09
Minneapolis to Boston in September 2026
Dated one-way fares from Minneapolis to Boston in September 2026. Use the calendar to see which days are cheaper.
Lowest this month
$165
Highest this month
$165
Sample fare
$146
Airports
MSP–BOS
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Other months: September 2026 · October 2026 · Full route
September 2026 price calendar
September 2026
From $165
Mon
Tue
Wed
Thu
Fri
Sat
Sun
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2
$165
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Dated fares
Booking MSP to BOS in September 2026
This page is only September 2026 on the Minneapolis to Boston route. Open the full route if you want the next months side by side.
Prices move as seats sell. Confirm the live itinerary before you book Minneapolis to Boston in September 2026.