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Amazing ONT to SFO Flight Deals

The cheapest flights to San Francisco Intl. found within the past 7 days were $67 round trip and $34 one way. Prices and availability subject to change. Additional terms may apply.

Flight Schedule for ONT to SFO

Carrier Flight Depart ONT Arrive SFO Wed
12/2
Thu
12/3
Fri
12/4
Sat
12/5
Sun
12/6
Mon
12/7
Tue
12/8
Stops
UA 5572 06:09 am 07:34 am Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 5416 10:45 am 12:10 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 4724 03:45 pm 05:11 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)

Best San Francisco Intl. Flight and Hotel Packages

San Francisco Intl. flight + hotel packages - economy flights

FAQs about flights from Los Angeles - Ontario Intl. Airport (ONT) to San Francisco Intl. Airport (SFO)

Are there direct flights from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to San Francisco Airport?

Wander wisely and opt for a direct flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to San Francisco, CA (SFO-San Francisco Intl.) with United Airlines. This air carrier is the best choice if you'd rather reach San Francisco (and vicinity) as quickly as possible.

If I am not able to travel due to COVID-19, can I change my booking to a later date?

For more info about changing your flight to San Francisco, CA (SFO-San Francisco Intl.), please visit our Customer Service Portal.

How long is the flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to San Francisco Airport?

With the flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to San Francisco, CA (SFO-San Francisco Intl.) taking around 3 hours and 11 minutes, there'll be time to get things done in the air. Make the most of your journey by bringing that novel you never have time to read, checking out what's on the in-flight entertainment or catching up on some rest. You'll probably even find you're able to squeeze in all three before arriving.

What is the flight distance from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to San Francisco Airport?

There's a flight distance of 1,087 mi between Ontario, CA (ONT-Los Angeles - Ontario Intl.) and San Francisco, CA (SFO-San Francisco Intl.). This is classified as a medium-haul flight. You'll have lots of time to make the most of the in-flight entertainment and squeeze in a snooze if you want to feel fresh on landing.

What airlines fly from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to San Francisco Airport?

Ready to fly off on your next incredible adventure? Eager to travel from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to San Francisco, CA (SFO-San Francisco Intl.) as quickly as possible? Step aboard one of the 89 nonstop flights offered by United Airlines each month, and you'll be touching down before you can ask 'Are we there yet?'

What is the best day to buy a plane ticket?

This just in! Airfares offered on Tuesdays tend to be the cheapest, according to flight demand on Travelocity in 2019. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Monday, as data shows the start of the week is when prices are generally at their highest.

What are the cheapest days to fly?

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2019, flights departing on a Tuesday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

How far in advance can you book a flight?

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2019 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 1-2 weeks prior to their travel dates.

How can I save money on airline tickets?

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2019 saved nearly 50% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2019. Savings are subject to change based on departure location, date and destination.

Los Angeles - Ontario Intl. to San Francisco Intl. Flight FAQ

Traveling FromLos Angeles - Ontario Intl.
Traveling ToSan Francisco Intl.
Shortest Flight Time1 hours 25 mins
Earliest Departure Time6:09AM PST
Latest Departure Time3:45PM PST
Lowest Flight Price$67

Ontario to San Francisco Carriers and Route Information

Flight path for flights from LA/Ontario International Airport to San Francisco International Airport.


Distance:
364.00 miles

Airline carriers and aircraft used on flights from ONT to SFO


Airline Carrier
Aircraft
United Airlines
Boeing 737-800 (winglets) pax

Popular Flight Routes from Ontario (ONT)

Travelers at ONT love to visit these top cities. Roam to the top destinations from Ontario (ONT) today with the cheap prices from Travelocity!

Popular Flight Routes from San Francisco (SFO)

Travelers at SFO love to visit these top cities. Roam to the top destinations from San Francisco(SFO) today with the cheap prices from Travelocity!

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.