Question 1

How long is the flight from San Francisco to Ontario?

Accepted Answer

A nonstop flight from San Francisco to Ontario typically takes around 1 hour 34 minutes. This makes the nonstop service the fastest and most convenient way to travel between San Francisco and Ontario. It is worth checking flight times when searching, as they can vary by airline and travel date.

Question 2

Are there nonstop flights from San Francisco to Ontario?

Accepted Answer

Yes, there are nonstop flights from San Francisco to Ontario, averaging around 3 to 4 flights per day, operated by, among others, United Airlines. If you want to fly without a layover, it is worth filtering specifically for nonstop flights when searching.

Question 3

Which airlines fly from San Francisco to Ontario?

Accepted Answer

Direct flights from San Francisco to Ontario are operated by, among others, United Airlines. These flights take you to Ontario nonstop, making them especially practical for short trips or weekend getaways. It is still worth comparing departure times and airline policies, as baggage rules and fees can vary.

Question 4

On which days are there nonstop flights from San Francisco to Ontario?

Accepted Answer

Nonstop flights from San Francisco to Ontario operate daily. The schedule may vary by season, so it is worth comparing several travel dates. If your preferred day does not have a nonstop flight, nearby departure days or short connecting flights may be a good alternative.

Question 5

How many flights are there per day from San Francisco to Ontario?

Accepted Answer

On the route from San Francisco to Ontario, there are on average around 3 to 4 flights per day. The number of flights can vary by day of the week and season. If you are flexible with your dates, it is worth comparing several departure days.

Question 6

How many flights per week are there from San Francisco to Ontario?

Accepted Answer

From San Francisco to Ontario, there are around 25 to 26 flights per week. This means you usually have connections available on several days and at various times. Beyond the price, it is worth comparing flight duration, airline, and any potential additional fees.

Question 7

When does the first flight from San Francisco to Ontario depart?

Accepted Answer

The earliest nonstop flight from San Francisco to Ontario usually departs at 7:15 AM. The exact departure time may vary by day of the week and airline. Early flights are especially useful if you want to make the most of your arrival day in Ontario.

Question 8

When does the last flight from San Francisco to Ontario depart?

Accepted Answer

The last nonstop flight from San Francisco to Ontario usually departs at 9:30 PM. Late flights can be convenient if you want to travel after work or in the evening. Do check whether it is a nonstop flight, as a connecting itinerary could push the arrival time significantly later.

	Outbound	Return	Airlines	Baggage	Price
Best option San Francisco Ontario	Outbound 08/20/26 direct F92678 01h 27min	Return 08/25/26 direct F92677 01h 32min	Frontier Airlines		$151
San Francisco Ontario	Outbound 08/20/26 direct F92678 01h 27min	Return 08/25/26 direct F92677 01h 32min	Frontier Airlines	?	$159
San Francisco Ontario	Outbound 08/20/26 direct F92678 01h 27min	Return 08/25/26 direct F92677 01h 32min	Frontier Airlines		$176
San Francisco Ontario	Outbound 08/20/26 direct UA2478 01h 31min	Return 08/25/26 direct UA2052 01h 29min	United Airlines		$268
San Francisco Ontario	Outbound 08/20/26 1 Stopover (PDX) AS1302, AS0097 05h 21min	Return 08/25/26 direct F92677 01h 32min	Alaska Airlines	?	$391
San Francisco Ontario	Outbound 08/20/26 2 Stopovers (EWR, JFK, DFW) UA1141, AA0475, AA2635 39h 18min	Return 08/25/26 2 Stopovers (DFW, JFK) AA1412, AA0481, AA0177 18h 59min	United Airlines, American Airlines	?	$873
San Francisco Ontario	Outbound 08/20/26 1 Stopover (PHX) AA2414, AA2661 03h 55min	Return 08/25/26 1 Stopover (PHX) AA2661, AA2421 06h 06min	American Airlines	?	$2,990

Roundtrip from	$150.96
Flight duration	min. 01:27 / max. 03:20
Return flight duration	min. 01:28/ max. 01:35
Distance	585 km
Flights per week	48
Departure airport	Airport San Francisco International Airport, CA (SFO)
Arrival airport	Airport Ontario-CA (ONT)
Destination country	Flights to United States
Departure airport - Destination country	San Francisco International Airport, CA - United States

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