Q: How many flights are there between San Francisco and Ontario per day?

Each day, there are between 2 and 4 nonstop flights that take off from San Francisco and land in Ontario, with an average flight time of 1h 28m. The most common departure time is 4:00 p.m. and most flights take off in the afternoon. Each week, there are 22 flights. The most frequent day of departure is Monday, when 18% of all weekly flights depart. The fewest flights depart on a Tuesday. Visit our flight page for the latest deals!>/a>

Q: How many flights are there between San Francisco and Ontario per day?

Each day, there are between 2 and 4 nonstop flights that take off from San Francisco and land in Ontario, with an average flight time of 1h 28m. The most common departure time is 4:00 p.m. and most flights take off in the afternoon. Each week, there are 22 flights. The most frequent day of departure is Monday, when 18% of all weekly flights depart. The fewest flights depart on a Tuesday. Visit our flight page for the latest deals!>/a>

Question 1

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

Accepted Answer

Direct flights cover the 941 km separating San Francisco to Ontario in about 1h 24m. Visit our flight page for the latest deals!>/a>

Question 2

How many flights are there between San Francisco and Ontario per day?

Accepted Answer

Each day, there are between 2 and 4 nonstop flights that take off from San Francisco and land in Ontario, with an average flight time of 1h 28m. The most common departure time is 4:00 p.m. and most flights take off in the afternoon. Each week, there are 22 flights. The most frequent day of departure is Monday, when 18% of all weekly flights depart. The fewest flights depart on a Tuesday. Visit our flight page for the latest deals!>/a>

Question 3

How many flights are there between San Francisco and Ontario per day?

Accepted Answer

Each day, there are between 2 and 4 nonstop flights that take off from San Francisco and land in Ontario, with an average flight time of 1h 28m. The most common departure time is 4:00 p.m. and most flights take off in the afternoon. Each week, there are 22 flights. The most frequent day of departure is Monday, when 18% of all weekly flights depart. The fewest flights depart on a Tuesday. Visit our flight page for the latest deals!>/a>

Question 4

What’s the earliest departure time from San Francisco to Ontario?

Accepted Answer

Early birds can take the earliest flight from San Francisco at 8:25 am and will be landing in Ontario at 9:56 am.

Question 5

What’s the latest departure time from San Francisco to Ontario?

Accepted Answer

If you prefer to fly at night, the latest flight from San Francisco to Ontario jets off at 10:35 pm and lands at 11:59 pm.

Question 6

Which airlines fly direct between San Francisco and Ontario?

Accepted Answer

There is just one airline that flies from San Francisco to Ontario direct and that is United Airlines. The best round-trip deal found from United Airlines for the route is C$ 366.

Question 7

Which airlines fly direct between San Francisco and Ontario?

Accepted Answer

There is just one airline that flies from San Francisco to Ontario direct and that is United Airlines. The best round-trip deal found from United Airlines for the route is C$ 366.

Question 8

Which airlines offer Wi-Fi service onboard planes from San Francisco to Ontario?

Accepted Answer

Alaska Airlines, Delta, American Airlines, and JetBlue offer inflight Wi-Fi service on the San Francisco to Ontario flight route.

Question 9

Which aircraft models fly most regularly from San Francisco to Ontario?

Accepted Answer

The Airbus A320-100/200 is the aircraft model that flies most regularly on the San Francisco to Ontario flight route.

Question 10

Which airline alliances offer flights from San Francisco to Ontario?

Accepted Answer

Star Alliance is the only airline alliance operating flights between San Francisco and Ontario.

Question 11

On which days can I fly direct from San Francisco to Ontario?

Accepted Answer

There are direct flights from San Francisco to Ontario on a daily basis.

Question 12

What happens upon losing an item at ONT?

Accepted Answer

If you have lost your item when traveling to ONT, you can visit the lost and found offices. The offices are in terminal 2 just behind the information desk. The lost and found offices operate from Monday through Friday from 7am to 3:30pm.

Question 13

Are there any electric vehicle charging stations at SFO?

Accepted Answer

Yes, there are several electric vehicles charging stations that are easily accessible. The charging stations are located at the domestic garage level 1, Long-term garage 2, and the international garage level 2. The charging stations are available on a first-come, first-served basis.

Question 14

Is SFO safe for kids?

Accepted Answer

Yes, SFO airport is child-friendly and you can travel with your children easily. Several nursery spots are located at terminals 1, 2, and 3, international terminal A gates, international terminal main hall, and international terminal G gates. There are shower facilities at the entire airport to enable you to freshen up before traveling with your child.

Question 15

Is safety assured at ONT?

Accepted Answer

At ONT airport, there are security screening procedures to guarantee your safety. The security screening commences upon your arrival at the airport. It is advisable to declare all your electronics at the security screening center to avoid inconveniences. The security screening procedures often change; hence it’s advisable to be flexible and adjust accordingly.

Question 16

What is the cheapest month to fly from San Francisco to Ontario?

Accepted Answer

The cheapest month for flights from San Francisco to Ontario is May, where tickets cost C$ 160 (return) on average. On the other hand, the most expensive months are February and January, where the average cost of round-trip tickets is C$ 377 and C$ 345 respectively.

Question 17

What is the cheapest month to fly from San Francisco to Ontario?

Accepted Answer

The cheapest month for flights from San Francisco to Ontario is May, where tickets cost C$ 160 (return) on average. On the other hand, the most expensive months are February and January, where the average cost of round-trip tickets is C$ 377 and C$ 345 respectively.

Question 18

How does KAYAK find such low prices on flights from San Francisco to Ontario?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Francisco to Ontario. <a href='/flight-routes/San-Francisco-SFO/Ontario-ONT'>Visit our flight page for the latest deals!>/a>

Question 19

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Francisco to Ontario?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from San Francisco is likely to change within 7 days, so travelers know whether to wait or book now. <a href='/flight-routes/San-Francisco-SFO/Ontario-ONT'>Visit our flight page for the latest deals!>/a>

Question 20

What is the Hacker Fare option on flights from San Francisco to Ontario?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to San Francisco with another airline. <a href='/flight-routes/San-Francisco-SFO/Ontario-ONT'>Visit our flight page for the latest deals!>/a>

Question 21

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Francisco to Ontario?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from San Francisco up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/San-Francisco-SFO/Ontario-ONT'>Visit our flight page for the latest deals!>/a>

Question 22

How often are flights from San Francisco to Ontario delayed?

Accepted Answer

Weekly flights between San Francisco and Ontario historically see delays in approximately 14% of cases, with the average delay over the past year being 119 minutes.

Question 23

Which airline has the best punctuality record on San Francisco to Ontario flights?

Accepted Answer

Based on our data, United Airlines have experienced the fewest delays on this route in the past 12 months, with only about 13% of their flights encountering any delays.

Question 24

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Statistically, Tuesday is the day of the week with the fewest delays on this flight route, while Monday has typically experienced more delays than other days.

Question 25

What is the most punctual flight time for San Francisco to Ontario flights?

Accepted Answer

Typically, flights leaving in the evening tend to face fewer delays, whereas flights at night have historically encountered delays more often.

Question 26

Which cabin class options are there for flights between San Francisco and Ontario?

Accepted Answer

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 27

Which cabin class options are there for flights between San Francisco and Ontario?

Accepted Answer

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 28

How far in advance should I book a flight from San Francisco to Ontario?

Accepted Answer

To get a below average price on the flight from San Francisco to Ontario, you should book around 2 weeks before departure, which saves you about 26% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 10 weeks before departure.

Question 29

How far in advance should I book a flight from San Francisco to Ontario?

Accepted Answer

To get a below average price on the flight from San Francisco to Ontario, you should book around 2 weeks before departure, which saves you about 26% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 10 weeks before departure.

Question 30

Can I save money by flying with a layover from San Francisco to Ontario?

Accepted Answer

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at C$ 198 on average.

Question 31

Can I save money by flying with a layover from San Francisco to Ontario?

Accepted Answer

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at C$ 198 on average.

Question 32

What are the most popular airlines flying to Ontario?

Accepted Answer

The most popular airline among KAYAK users flying to Ontario is Frontier, followed by United Airlines.

Low season	January
High season	May

SFO - ONT

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Get data-powered insights and trends into flights from San Francisco to Ontario to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from San Francisco to Ontario?

The cheapest month for flights from San Francisco to Ontario is May, where tickets cost C$ 160 (return) on average. On the other hand, the most expensive months are February and January, where the average cost of round-trip tickets is C$ 377 and C$ 345 respectively.

Can I save money by flying with a layover from San Francisco to Ontario?

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at C$ 198 on average.

How far in advance should I book a flight from San Francisco to Ontario?

To get a below average price on the flight from San Francisco to Ontario, you should book around 2 weeks before departure, which saves you about 26% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 10 weeks before departure.

Which airlines fly direct between San Francisco and Ontario?

There is just one airline that flies from San Francisco to Ontario direct and that is United Airlines. The best round-trip deal found from United Airlines for the route is C$ 366.

How often are flights from San Francisco to Ontario delayed?

Weekly flights between San Francisco and Ontario historically see delays in approximately 14% of cases, with the average delay over the past year being 119 minutes.

What is the most punctual flight time for San Francisco to Ontario flights?

Typically, flights leaving in the evening tend to face fewer delays, whereas flights at night have historically encountered delays more often.

What day of the week experiences the fewest flight delays on this route?

Statistically, Tuesday is the day of the week with the fewest delays on this flight route, while Monday has typically experienced more delays than other days.

Which airline has the best punctuality record on San Francisco to Ontario flights?

Based on our data, United Airlines have experienced the fewest delays on this route in the past 12 months, with only about 13% of their flights encountering any delays.

Which cabin class options are there for flights between San Francisco and Ontario?

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How many flights are there between San Francisco and Ontario per day?

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

Direct flights cover the 941 km separating San Francisco to Ontario in about 1h 24m.

What’s the earliest departure time from San Francisco to Ontario?

Early birds can take the earliest flight from San Francisco at 8:25 am and will be landing in Ontario at 9:56 am.

What’s the latest departure time from San Francisco to Ontario?

If you prefer to fly at night, the latest flight from San Francisco to Ontario jets off at 10:35 pm and lands at 11:59 pm.

Expert advice for your flight from San Francisco to Ontario

Good to know

When to book flights from San Francisco to Ontario

FAQs for booking flights from San Francisco to Ontario

What happens upon losing an item at ONT?

If you have lost your item when traveling to ONT, you can visit the lost and found offices. The offices are in terminal 2 just behind the information desk. The lost and found offices operate from Monday through Friday from 7am to 3:30pm.

Are there any electric vehicle charging stations at SFO?

Yes, there are several electric vehicles charging stations that are easily accessible. The charging stations are located at the domestic garage level 1, Long-term garage 2, and the international garage level 2. The charging stations are available on a first-come, first-served basis.

Is SFO safe for kids?

Is safety assured at ONT?

Which airlines offer Wi-Fi service onboard planes from San Francisco to Ontario?

Alaska Airlines, Delta, American Airlines, and JetBlue offer inflight Wi-Fi service on the San Francisco to Ontario flight route.

Which aircraft models fly most regularly from San Francisco to Ontario?

The Airbus A320-100/200 is the aircraft model that flies most regularly on the San Francisco to Ontario flight route.

Which airline alliances offer flights from San Francisco to Ontario?

Star Alliance is the only airline alliance operating flights between San Francisco and Ontario.

On which days can I fly direct from San Francisco to Ontario?

There are direct flights from San Francisco to Ontario on a daily basis.

How does KAYAK find such low prices on flights from San Francisco to Ontario?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Francisco to Ontario.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Francisco to Ontario?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from San Francisco is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from San Francisco to Ontario?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to San Francisco with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Francisco to Ontario?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from San Francisco up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from San Francisco to Ontario

Prefer to fly direct from San Francisco to Ontario?

Reviews of the top airline flying from San Francisco to Ontario

Everything you need to know for your flight from San Francisco to Ontario

Information on your arrival and departure airports

Cabin class types available on flights from San Francisco to Ontario

Complete your trip to Ontario with a hotel stay or car rental

Find direct flights to and from San Francisco and Ontario

Flights to other popular destinations

Flights from domestic origins to Ontario

Find deals for your return flight