Cheap flights from Ontario to San Francisco

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Easily compare round-trip flights from Ontario to San Francisco

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Ontario to San Francisco by changing tabs
Quickest
Cheapest
United Airlines
United Airlines
13 Jan
ONT
11:10 am
Ontario airport
1h 39m
12:49 pm
SFO
San Francisco airport
United Airlines
23 Jan
SFO
1:55 am
San Francisco airport
1h 34m
3:29 am
ONT
Ontario airport
107 USD
United Airlines
United Airlines
15 Jan
ONT
11:10 am
Ontario airport
1h 39m
12:49 pm
SFO
San Francisco airport
United Airlines
25 Jan
SFO
1:55 am
San Francisco airport
1h 34m
3:29 am
ONT
Ontario airport
107 USD
United Airlines
United Airlines
29 Jan
ONT
4:01 am
Ontario airport
1h 39m
5:40 am
SFO
San Francisco airport
United Airlines
05 Feb
SFO
12:39 am
San Francisco airport
1h 37m
2:16 am
ONT
Ontario airport
107 USD
United Airlines
United Airlines
06 Dec
ONT
2:50 am
Ontario airport
1h 30m
4:20 am
SFO
San Francisco airport
United Airlines
09 Dec
SFO
12:41 am
San Francisco airport
1h 33m
2:14 am
ONT
Ontario airport
127 USD
United Airlines
United Airlines
13 Dec
ONT
2:50 am
Ontario airport
1h 30m
4:20 am
SFO
San Francisco airport
United Airlines
17 Dec
SFO
12:41 am
San Francisco airport
1h 33m
2:14 am
ONT
Ontario airport
127 USD
United Airlines
United Airlines
07 Dec
ONT
11:46 am
Ontario airport
1h 32m
1:18 pm
SFO
San Francisco airport
United Airlines
08 Dec
SFO
1:51 am
San Francisco airport
1h 34m
3:25 am
ONT
Ontario airport
127 USD

How to get the cheapest flight ticket from Ontario to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to San Francisco?
March
The cheapest time of year to fly to San Francisco from Ontario is March. Most expensive is November
What is the cheapest day to fly to San Francisco?
Saturday
The cheapest day of the week is typically Saturday. The most expensive is typically Sunday
When is the cheapest time to fly to San Francisco?
in the morning
Ontario to San Francisco flights are approximately 28% more expensive in the evening than in the morning
What is the cheapest airline that flies to San Francisco?
Sun Country Air
Sun Country Air, Delta, and Spirit Airlines are the most popular carriers operating from Ontario to San Francisco
What is the cheapest route?
Ontario - San Francisco
Fly from Ontario to San Francisco for the best Ontario - San Francisco flight prices
ONT
Ontario
SFO
San Francisco
When is the cheapest time to book a flight to San Francisco?
29 days before
The cheapest time to buy a flight from Ontario to San Francisco is approximately 29 days to departure
60
Days before departure
0

Flight information for Ontario to San Francisco (SFO - ONT)

Find info about flight duration, direct flights, and airports for your flight from Ontario to San Francisco
Fastest flight time 1h 20m The fastest flight from Ontario to San Francisco takes 1h 20m.
Direct flights Every day Direct flights go from Ontario to San Francisco every day.
Airports in San Francisco 1 airport There is 1 airport near San Francisco: San Francisco (SFO)

Alternative routes for Ontario to San Francisco

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Los Angeles to San Francisco
Fastest flight time
1h 09m
Cheapest price
97 USD
San Diego to San Francisco
Fastest flight time
1h 35m
Cheapest price
117 USD
Palm Springs to San Francisco
Fastest flight time
1h 25m
Cheapest price
127 USD

Flights from Ontario to:

*Flight prices to San Francisco are based on prices for economy tickets found by momondo users during searches within the last 72 hours. These prices may no longer be available.