Menu

Cheap flights from San Francisco to Ontario (SFO - ONT)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from San Francisco to Ontario are usually found in February or March, booked 30 days in advance, depart on a Monday or Thursday and return on a Saturday

$290
$260
$240
$209
Price
$209 - $292
Most popular in November High demand for flights, 9% potential price rise
Cheapest in February Best time to find cheap flights, 3% potential price drop
Average price $226 Price for this month
Cheapest price $209 From San Francisco to Ontario

Cheap flights from San Francisco to Ontario in January 2020

The best prices found for SFO to ONT flights for January
30 Jan - 5 Feb
$173pp
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco
26 Jan - 11 Feb
$178pp
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco
28 Jan - 8 Feb
$188pp
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco

San Francisco to Ontario 2020 flight deals

Cheap flights to Ontario from San Francisco found for this year
24 Feb - 26 Feb
$117pp
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco
1 Mar - 4 Mar
$132pp
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco
28 Feb - 1 Mar
$147pp
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco

Non-stop flights to Ontario from San Francisco

Save time with San Francisco to Ontario direct flight deals
11 Feb - 12 Feb
$97pp
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco
18 Feb - 19 Feb
$117pp
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco
12 Feb - 16 Feb
$122pp
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco

Last minute flights from San Francisco to Ontario

Late deals on round-trip flights to Ontario from San Francisco, departing today and this week
26 Jan - 11 Feb
$178pp
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco
28 Jan - 8 Feb
$188pp
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco
25 Jan - 2 Feb
$220pp
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco

Alternative routes for San Francisco to Ontario

Destination information for Ontario

Things to know before you go. Useful info for your trip from San Francisco to Ontario
Flight duration
1h 35m

Airports servicing San Francisco

Airports servicing Ontario

Weekly flight availability
from San Francisco to Ontario
Sunday
13 daily flights
Monday
14 daily flights
Tuesday
14 daily flights
Wednesday
14 daily flights
Thursday
14 daily flights
Friday
14 daily flights
Saturday
9 daily flights

Related info for your journey

Useful info, stats and facts about San Francisco to Ontario flights.

Flight FAQs

From San Francisco to Ontario

What days are nonstop flights available from San Francisco to Ontario?

Days when nonstop flights are available for this flight are: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.

How popular is this flight route?

Flights from San Francisco to Ontario have been viewed 589 times in the past calendar month.

What percent of flights are delayed?

Based on our current data flights from San Francisco to Ontario are usually delayed by up to 61min. or more.

How many passenger seats are available on a flight on this route?

198 seats are available from San Francisco to Ontario per day on average.

What is the cheapest airline for this route?

The cheapest airline for this route is SkyWest Airlines. When flying this airline from San Francisco to Ontario on average you can expect to find 111 flights available for this route daily.

How long does the flight from San Francisco to Ontario take?

For nonstop trips expect to fly for about 2 hours. The travel distance is approximately 226 miles.

How many flights depart from San Francisco to Ontario on average per day?

Travelers can expect 18 flights from San Francisco to Ontario on average per day.
Early Morning (Midnight to 6am) - 6% of flight departures
Morning (6am - Noon) - 44% of flight departures
Afternoon (Noon - 6pm) - 33% of flight departures
Evening (6pm - Midnight) - 17% of flight departures

Does it rain more in San Francisco or Ontario?

Expected rainfall in San Francisco is less than in Ontario. You can expect this to be the case over the next 15 days.

Is San Francisco weather warmer or cooler than Ontario?

You can imagine temperatures to be in the 95 °F range in July. The weather in Ontario is generally hotter than San Francisco's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.