Popular in | February |
---|---|
Cheapest in | April |
Round-trip from | $267 |
One-way from | $41 |
Users have found that flying from Ontario to San Francisco on a Tuesday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.
When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 49 days in advance, which can save you up to 71% on flights from Ontario to San Francisco compared to booking the week you need them. Waiting 49 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $133. For sooner than that we have options available in the next 3 days from $187.
April can be a great time to fly to San Francisco from Ontario with a flight ticket averaging about $141. Cheapflights users have found deals in the month of April for as cheap as $38. The most expensive prices can be found in the month of March.
One of the essential ways to save on airfare from Ontario to San Francisco is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 15% on airfare.
One of the most popular airlines traveling from Ontario to San Francisco is Frontier. Flights from Frontier traveling this route typically cost $238.91 RT. This price is typically 16% cheaper than other airlines that offer Ontario to San Francisco flights. When booking this route, the cheapest RT price found was $118. Ontario Airport is the most common Ontario airport to take off from when flying to San Francisco. San Francisco Airport is the most popular arrival airport in San Francisco. When flying from Ontario to San Francisco, Frontier flights are 1% more popular than any other airline flying that same route.
If you’re traveling from Ontario to San Francisco, one of the more common airlines traveling that route is United Airlines. Flights from United Airlines traveling this route typically cost $99.00 RT. This price is typically 196% more expensive than other airlines that offer Ontario to San Francisco flights. When booking this route, the cheapest RT price found was $40. The most popular departure airport in Ontario when flying to San Francisco is Ontario Airport. The most popular airport to fly into when visiting San Francisco is San Francisco Airport. When flying from Ontario to San Francisco, United Airlines flights are -15% more popular than any other airline flying that same route.
Fly from
Fly to
Budget
$38 - $194
Route
Depart
Return
Price
OntarioSan Francisco
ONT - SFO
ONTSFO
Ontario
Tue 6/18
Nonstop1h 27m
San Francisco
Wed 6/19
Nonstop1h 23m
OntarioSan Francisco
ONT - SFO
ONTSFO
Ontario
Wed 5/29
Nonstop1h 28m
San Francisco
Tue 6/4
Nonstop1h 24m
OntarioSan Francisco
ONT - SFO
ONTSFO
Ontario
Wed 7/3
Nonstop1h 28m
San Francisco
Sat 7/6
Nonstop1h 22m
OntarioSan Francisco
ONT - SFO
ONTSFO
Ontario
Wed 6/12
Nonstop1h 27m
San Francisco
Wed 6/19
Nonstop1h 23m
OntarioSan Francisco
ONT - SFO
ONTSFO
Ontario
Sat 7/20
Nonstop1h 26m
San Francisco
Sat 7/27
Nonstop1h 25m
OntarioSan Francisco
ONT - SFO
ONTSFO
Ontario
Tue 5/28
Nonstop1h 28m
San Francisco
Wed 6/5
Nonstop1h 23m
OntarioSan Francisco
ONT - SFO
ONTSFO
Ontario
Wed 5/29
Nonstop1h 28m
San Francisco
Sun 6/2
Nonstop1h 24m
OntarioSan Francisco
ONT - SFO
ONTSFO
Ontario
Sun 6/30
Nonstop1h 27m
San Francisco
Tue 7/2
Nonstop1h 23m
OntarioSan Francisco
ONT - SFO
ONTSFO
Ontario
Sat 6/22
Nonstop1h 25m
San Francisco
Sat 6/22
Nonstop1h 35m
Currently, December is the cheapest month in which you can book a flight from Ontario to San Francisco (average of $267). Flying from Ontario to San Francisco in June is currently the most expensive (average of $382). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
January
$274
February
$281
March
$330
April
$296
May
$316
June
$382
July
$364
August
$298
September
$268
October
$268
November
$287
December
$267
SFO Temperature | 51.8 - 62.6 °F |
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Boarding
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I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose
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I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose
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I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose
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I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose
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Reviews
I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose
Boarding
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Reviews
I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose
46%of flight departures | Early morningMidnight to 6 am |
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53%of flight departures | Morning6 am to noon |
1%of flight departures | AfternoonNoon to 6 pm |
0%of flight departures | Evening6 pm to midnight |
Sunday | 4daily flights |
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Monday | 7daily flights |
Tuesday | 7daily flights |
Wednesday | 7daily flights |
Thursday | 8daily flights |
Friday | 7daily flights |
Saturday | 5daily flights |
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to San Francisco. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to San Francisco for you. Better yet — we are completely free to use.
Yes! Cheapflights helps users easily find flights from Ontario to San Francisco with no change fees.
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Francisco from Ontario today and book when prices fit your budget.