FFL Helper

FFL Helper / San Francisco / Ontario / August 2026

SFO → ONT · 2026-08

San Francisco to Ontario in August 2026

Dated one-way fares from San Francisco to Ontario in August 2026. Use the calendar to see which days are cheaper.

Lowest this month $99
Highest this month $158
Sample fare $23
Airports SFO–ONT
Search August 2026 tickets

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Other months: August 2026 · September 2026 · Full route

August 2026 price calendar

August 2026

From $99 · up to $158

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27 $157 28 $158 29 $158 30 $157 31 $99

Dated fares

Ontario ONT

$23

Sep 28, 6:02pm · 1h 34m · 0 stops

SFO → ONT · Frontier Airlines

Tickets

Booking SFO to ONT in August 2026

This page is only August 2026 on the San Francisco to Ontario 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 San Francisco to Ontario in August 2026.