FFL Helper

FFL Helper / Ontario / Las Vegas / September 2026

ONT → LAS · 2026-09

Ontario to Las Vegas in September 2026

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

Lowest this month $148
Highest this month $159
Sample fare $148
Airports ONT–LAS
Search September 2026 tickets

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Other months: August 2026 · September 2026 · Full route

September 2026 price calendar

September 2026

From $148 · up to $159

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Dated fares

Las Vegas LAS

$148

Sep 01, 3:40pm · 1h 11m · 0 stops

ONT → LAS · Frontier Airlines

Tickets

Las Vegas LAS

$159

Sep 03, 11:15am · 1h 10m · 0 stops

ONT → LAS · Frontier Airlines

Tickets

Booking ONT to LAS in September 2026

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