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
08 Jan
4:01 am
ONT
Ontario airport
1h 39m
SFO
5:40 am
San Francisco airport
United Airlines
22 Jan
2:30 pm
SFO
San Francisco airport
1h 29m
ONT
3:59 pm
Ontario airport
$97
United Airlines
United Airlines
09 Jan
4:01 am
ONT
Ontario airport
1h 39m
SFO
5:40 am
San Francisco airport
United Airlines
13 Jan
12:46 am
SFO
San Francisco airport
1h 36m
ONT
2:22 am
Ontario airport
$107
American Airlines
American Airlines
18 Apr
5:45 am
ONT
Ontario airport
6h 14m
1 Stop
SFO
11:59 am
San Francisco airport
American Airlines
19 Apr
1:30 am
SFO
San Francisco airport
1h 18m
ONT
2:48 am
Ontario airport
$156
United Airlines
United Airlines
08 Jan
4:01 am
ONT
Ontario airport
1h 39m
SFO
5:40 am
San Francisco airport
United Airlines
22 Jan
2:30 pm
SFO
San Francisco airport
1h 29m
ONT
3:59 pm
Ontario airport
$97
United Airlines
United Airlines
09 Jan
4:01 am
ONT
Ontario airport
1h 39m
SFO
5:40 am
San Francisco airport
United Airlines
13 Jan
12:46 am
SFO
San Francisco airport
1h 36m
ONT
2:22 am
Ontario airport
$107
American Airlines
American Airlines
14 Feb
8:51 am
ONT
Ontario airport
5h 26m
1 Stop
SFO
2:17 pm
San Francisco airport
American Airlines
17 Feb
2:37 pm
SFO
San Francisco airport
1h 27m
ONT
4:04 pm
Ontario airport
$185

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 29% 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 Alaska 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?
31 days before
The cheapest time to buy a flight from Ontario to San Francisco is approximately 31 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
$57
San Diego to San Francisco
Fastest flight time
1h 21m
Cheapest price
$66
Palm Springs to San Francisco
Fastest flight time
1h 38m
Cheapest price
$77

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.