Direct (non-stop) flights from San Francisco (SFO) to Ontario (ONT)
Find comprehensive flight information, schedules, and booking details for direct flights from San Francisco (SFO) to Ontario (ONT). This popular route is operated by 2 airlines, offering multiple daily departures.• Flight Duration: 1h 19m - 1h 40m (average flight time)• Daily Flights: 3-5 flights (scheduled departures per day)
San Francisco (SFO)
Ontario (ONT)
FLIGHT TIME
1h 19m - 1h 40m
1h 21m - 1h 28m
11:15
22:03
2 (Show)
21
Flight Schedule
December 2025
Airlines with direct flights from San Francisco (SFO) to Ontario (ONT)
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 1h 19m - 1h 40m.
Best departure times: Peak departure times are 11:00, 18:00, 21:00, offering more flight options and potentially better connections.
San Francisco (SFO) - Ontario (ONT) flight price statistics
$117
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$138
Jan$48
Feb$45
Mar$39
Apr$144
May$138
Jun$138
Jul$95
Aug$95
Sep$138
Oct$173
Nov$208
DecRelated Information
Airports: SFO • ONT Airport
Airlines operating this route: United Airlines (UA), Frontier Airlines
Frequently Asked Questions
How many flights operate from SFO to ONT?
There are 4 direct flights operating from SFO to ONT. Approximately 3-5 flights daily.
Which airlines operate flights from SFO to ONT?
2 airlines operate on this route: United Airlines, Frontier Airlines.
How long is the flight from SFO to ONT?
The flight duration from SFO to ONT is approximately 1h 19m - 1h 40m.
What is the flight time range for this route?
Flight times on this route range from 1h 21m - 1h 28m.
What are the earliest and latest flight departure times?
The earliest flight departs at 11:15 and the latest flight departs at 22:03.
How many flights operate per week on this route?
Approximately 21 flights operate per week from SFO to ONT.
What types of aircraft operate on this route?
This route is served by Boeing 737MAX 8 Passenger, Airbus A320, Airbus A320neo.
What is the average flight price from SFO to ONT?
The average flight price for a round-trip ticket from SFO to ONT is approximately $117 USD. Prices can vary based on booking time, season, and airline.
How many airlines offer flights from SFO to ONT?
2 airlines offer direct flights from SFO to ONT, providing travelers with multiple options for scheduling and pricing.
How long does it take to fly from SFO to ONT?
The flight time from SFO to ONT is approximately 1h 19m - 1h 40m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.