Boston to Las Vegas in September 2026

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

Lowest this month $119

Highest this month $166

Sample fare $119

Airports BOS–LAS

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September 2026 price calendar

From $119 · up to $166

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1 $149 2 $139 3 $153 4 $153 5 $153 6 $153 7 $153 8 $153 9 $153 10 $153 11 $153 12 $153 13 $153 14 $166 15 $119 16 $120 17 $123 18 $123 19 $123 20 $123 21 $123 22 $126

Las Vegas LAS

$119

Sep 15, 12:52pm · 12h 34m · 1 stop

BOS → LAS · Frontier Airlines

Las Vegas LAS

$120

Sep 16, 12:54pm · 12h 32m · 1 stop

BOS → LAS · Frontier Airlines

Las Vegas LAS

$126

Sep 22, 12:52pm · 12h 34m · 1 stop

BOS → LAS · Frontier Airlines

This page is only September 2026 on the Boston to Las Vegas 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 Las Vegas in September 2026.