Boston to Salt Lake City in September 2026

Dated one-way fares from Boston to Salt Lake City in September 2026. Use the calendar to see which days are cheaper.

Lowest this month $120

Highest this month $262

Sample fare $120

Airports BOS–SLC

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September 2026 price calendar

From $120 · up to $262

Mon

Tue

Wed

Thu

Fri

Sat

Sun

2 $185 3 $190 4 $190 5 $190 6 $190 7 $190 8 $190 9 $190 10 $190 11 $190 12 $190 13 $190 14 $195 15 $125 16 $120 17 $121 18 $183 19 $183 20 $262 21 $196 22 $176

Salt Lake City SLC

$120

Sep 16, 12:54pm · 13h 5m · 2 stops

BOS → SLC · Frontier Airlines

Salt Lake City SLC

$121

Sep 17, 11:17am · 14h 42m · 2 stops

BOS → SLC · Frontier Airlines

Salt Lake City SLC

$125

Sep 15, 12:52pm · 23h 49m · 2 stops

BOS → SLC · Frontier Airlines

Salt Lake City SLC

$176

Sep 22, 9:46am · 16h 13m · 2 stops

BOS → SLC · jetBlue

This page is only September 2026 on the Boston to Salt Lake City 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 Boston to Salt Lake City in September 2026.