Popular in | February |
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Cheapest in | April |
Round-trip from | $268 |
One-way from | $28 |
Users have found that flying from Ontario to San Francisco on a Saturday 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 $188.
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 at noon tend to be the most expensive. A flight in the morning could potentially save you up to 16% on airfare.
Fly from
Fly to
Budget
$44 - $182
Route
Depart
Return
Price
OntarioSan Francisco
ONT - SFO
ONTSFO
Ontario
Tue 8/13
Nonstop1h 26m
San Francisco
Sun 9/1
Nonstop1h 21m
OntarioSan Francisco
ONT - SFO
ONTSFO
Ontario
Wed 6/12
Nonstop1h 28m
San Francisco
Tue 6/18
Nonstop1h 23m
OntarioSan Francisco
ONT - SFO
ONTSFO
Ontario
Fri 8/9
Nonstop1h 26m
San Francisco
Tue 8/13
Nonstop1h 21m
OntarioSan Francisco
ONT - SFO
ONTSFO
Ontario
Wed 7/3
Nonstop1h 28m
San Francisco
Tue 7/9
Nonstop1h 22m
OntarioSan Francisco
ONT - SFO
ONTSFO
Ontario
Mon 8/5
Nonstop1h 26m
San Francisco
Thu 8/8
Nonstop1h 22m
OntarioSan Francisco
ONT - SFO
ONTSFO
Ontario
Tue 7/2
Nonstop1h 28m
San Francisco
Tue 7/9
Nonstop1h 22m
OntarioSan Francisco
ONT - SFO
ONTSFO
Ontario
Wed 6/19
Nonstop1h 28m
San Francisco
Thu 6/20
Nonstop1h 23m
OntarioSan Francisco
ONT - SFO
ONTSFO
Ontario
Tue 7/16
Nonstop1h 26m
San Francisco
Fri 8/16
Nonstop1h 21m
OntarioSan Francisco
ONT - SFO
ONTSFO
Ontario
Fri 6/21
Nonstop1h 28m
San Francisco
Sun 6/23
Nonstop1h 23m
SFO Temperature | 51.8 - 62.6 °F |
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If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).
Overall
Food
Crew
Entertainment
Boarding
Comfort
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Overall
Food
Crew
Entertainment
Boarding
Comfort
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Overall
Food
Crew
Entertainment
Boarding
Comfort
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Overall
Food
Crew
Entertainment
Boarding
Comfort
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Overall
Food
Crew
Entertainment
Boarding
Comfort
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Overall
Food
Crew
Entertainment
Boarding
Comfort
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Spirit Airlines | Cheapest$37 | Average$65 | FlexibilityNo cancel fee | On-time65% |
Frontier | Cheapest$39 | Average$98 | FlexibilityNo cancel fee | On-time62% |
Alaska Airlines | Cheapest$45 | Average$132 | FlexibilityNo cancel fee | On-time75% |
JetBlue | Cheapest$54 | Average$84 | FlexibilityNo cancel fee | On-time62% |
Delta | Cheapest$65 | Average$125 | FlexibilityNo cancel fee | On-timeN/A |
Breeze Airways | Cheapest$78 | Average$139 | FlexibilityNo cancel fee | On-timeN/A |
United Airlines | Cheapest$124 | Average$248 | FlexibilityNo cancel fee | On-time69% |
American Airlines | Cheapest$158 | Average$252 | FlexibilityNo cancel fee | On-time71% |
34%of flight departures | Early morningMidnight to 6 am |
---|---|
13%of flight departures | Morning6 am to noon |
53%of flight departures | AfternoonNoon to 6 pm |
0%of flight departures | Evening6 pm to midnight |
Sunday | 4daily flights |
---|---|
Monday | 7daily flights |
Tuesday | 7daily flights |
Wednesday | 7daily flights |
Thursday | 8daily flights |
Friday | 7daily flights |
Saturday | 5daily flights |