Nonstop flights from San Francisco to Ontario

2 airlines fly this route, with up to 4 flights a day.

SFOSan Francisco International

364 mi · 28 flights a week

ONTOntario International

SFOONT

When they leave

San Francisco time

9:33a9:00pFirst departure 9:33 AM, last 9:00 PM

Two in the morning, 9:33 AM to 10:40 AM, then two in the afternoon, 1:50 PM to 4:17 PM, then one evening flight at 9:00 PM.

Every flight

Earliest first

9:33 AM→11:07 AMFrontier AirlinesAirbus A320neoDaily
10:40 AM→12:12 PMUnited AirlinesBoeing 737 MAX 9Daily
1:50 PM→3:29 PMUnited AirlinesEmbraer 175Tue, Sat
4:17 PM→5:54 PMUnited AirlinesCRJ 700Mon, Wed, Thu, Fri, Sun
9:00 PM→10:37 PMUnited AirlinesBoeing 737 MAX 9Daily

Schedules last checked Sep 19, 2026. Times are local.

Flying from San Francisco to Ontario

United Airlines flies most often, 3 times a day on the Boeing 737 MAX 9, CRJ 700 and Embraer 175. Frontier Airlines flies daily on the Airbus A320neo.

There are 4 flights every day of the week. The first arrival in Ontario is at 11:07 AM and the last at 10:37 PM. The flight covers 364 miles.

Flying back, Ontario to San Francisco has 28 nonstop flights a week.

Return flights

Ontario to San FranciscoView

Find the cheapest day to fly from San Francisco to Ontario.

Schedules as of Oct 9, 2026.